version 1.12, 2001/06/07 04:54:38 |
version 1.79, 2021/03/24 18:28:07 |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* |
* |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/array.c,v 1.11 2000/12/05 06:59:15 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/array.c,v 1.78 2020/10/04 03:14:07 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "base.h" |
#include "base.h" |
#include "parse.h" |
#include "parse.h" |
#include "inline.h" |
#include "inline.h" |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#if !defined(_MSC_VER) |
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#include <unistd.h> |
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#endif |
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#define F4_INTRAT_PERIOD 8 |
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#if 0 |
#if 0 |
#undef DMAR |
#undef DMAR |
#define DMAR(a1,a2,a3,d,r) (r)=dmar(a1,a2,a3,d); |
#define DMAR(a1,a2,a3,d,r) (r)=dmar(a1,a2,a3,d); |
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extern int DP_Print; /* XXX */ |
extern int DP_Print; /* XXX */ |
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void inner_product_mat_int_mod(Q **,int **,int,int,int,Q *); |
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void solve_by_lu_mod(int **,int,int,int **,int); |
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void solve_by_lu_gfmmat(GFMMAT,unsigned int,unsigned int *,unsigned int *); |
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int lu_gfmmat(GFMMAT,unsigned int,int *); |
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void mat_to_gfmmat(MAT,unsigned int,GFMMAT *); |
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int generic_gauss_elim_mod(int **,int,int,int,int *); |
void Pnewvect(), Pnewmat(), Psepvect(), Psize(), Pdet(), Pleqm(), Pleqm1(), Pgeninvm(), Ptriangleq(); |
int generic_gauss_elim(MAT ,MAT *,Q *,int **,int **); |
void Pinvmat(); |
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void Pnewbytearray(),Pmemoryplot_to_coord(); |
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int gauss_elim_mod(int **,int,int,int); |
void Pgeneric_gauss_elim(); |
int gauss_elim_mod1(int **,int,int,int); |
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int gauss_elim_geninv_mod(unsigned int **,int,int,int); |
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int gauss_elim_geninv_mod_swap(unsigned int **,int,int,unsigned int,unsigned int ***,int **); |
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void Pnewvect(), Pnewmat(), Psepvect(), Psize(), Pdet(), Pleqm(), Pleqm1(), Pgeninvm(); |
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void Pnewbytearray(); |
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void Pgeneric_gauss_elim_mod(); |
void Pgeneric_gauss_elim_mod(); |
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void Pindep_rows_mod(); |
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void Pmat_to_gfmmat(),Plu_gfmmat(),Psolve_by_lu_gfmmat(); |
void Pmat_to_gfmmat(),Plu_gfmmat(),Psolve_by_lu_gfmmat(); |
void Pgeninvm_swap(), Premainder(), Psremainder(), Pvtol(); |
void Pgeninvm_swap(), Premainder(), Psremainder(), Pvtol(), Pltov(); |
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void Pgeninv_sf_swap(); |
void sepvect(); |
void sepvect(); |
void Pmulmat_gf2n(); |
void Pmulmat_gf2n(); |
void Pbconvmat_gf2n(); |
void Pbconvmat_gf2n(); |
Line 90 void Px962_irredpoly_up2(); |
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Line 91 void Px962_irredpoly_up2(); |
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void Pirredpoly_up2(); |
void Pirredpoly_up2(); |
void Pnbpoly_up2(); |
void Pnbpoly_up2(); |
void Pqsort(); |
void Pqsort(); |
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void Pexponent_vector(); |
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void Pmat_swap_row_destructive(); |
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void Pmat_swap_col_destructive(); |
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void Pvect(); |
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void Pmat(); |
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void Pmatc(); |
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void Pnd_det(); |
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void Plu_mat(); |
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void Pmat_col(); |
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void Plusolve_prep(); |
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void Plusolve_main(); |
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struct ftab array_tab[] = { |
struct ftab array_tab[] = { |
{"solve_by_lu_gfmmat",Psolve_by_lu_gfmmat,4}, |
{"lu_mat",Plu_mat,1}, |
{"lu_gfmmat",Plu_gfmmat,2}, |
{"solve_by_lu_gfmmat",Psolve_by_lu_gfmmat,4}, |
{"mat_to_gfmmat",Pmat_to_gfmmat,2}, |
{"lu_gfmmat",Plu_gfmmat,2}, |
{"generic_gauss_elim_mod",Pgeneric_gauss_elim_mod,2}, |
{"mat_to_gfmmat",Pmat_to_gfmmat,2}, |
{"newvect",Pnewvect,-2}, |
{"generic_gauss_elim",Pgeneric_gauss_elim,1}, |
{"newmat",Pnewmat,-3}, |
{"generic_gauss_elim_mod",Pgeneric_gauss_elim_mod,2}, |
{"newbytearray",Pnewbytearray,-2}, |
{"indep_rows_mod",Pindep_rows_mod,2}, |
{"sepmat_destructive",Psepmat_destructive,2}, |
{"newvect",Pnewvect,-2}, |
{"sepvect",Psepvect,2}, |
{"vect",Pvect,-99999999}, |
{"qsort",Pqsort,-2}, |
{"vector",Pnewvect,-2}, |
{"vtol",Pvtol,1}, |
{"exponent_vector",Pexponent_vector,-99999999}, |
{"size",Psize,1}, |
{"newmat",Pnewmat,-3}, |
{"det",Pdet,-2}, |
{"matrix",Pnewmat,-3}, |
{"leqm",Pleqm,2}, |
{"mat",Pmat,-99999999}, |
{"leqm1",Pleqm1,2}, |
{"matr",Pmat,-99999999}, |
{"geninvm",Pgeninvm,2}, |
{"matc",Pmatc,-99999999}, |
{"geninvm_swap",Pgeninvm_swap,2}, |
{"newbytearray",Pnewbytearray,-2}, |
{"remainder",Premainder,2}, |
{"memoryplot_to_coord",Pmemoryplot_to_coord,1}, |
{"sremainder",Psremainder,2}, |
{"sepmat_destructive",Psepmat_destructive,2}, |
{"mulmat_gf2n",Pmulmat_gf2n,1}, |
{"sepvect",Psepvect,2}, |
{"bconvmat_gf2n",Pbconvmat_gf2n,-4}, |
{"qsort",Pqsort,-2}, |
{"mul_vect_mat_gf2n",Pmul_vect_mat_gf2n,2}, |
{"vtol",Pvtol,1}, |
{"mul_mat_vect_int",Pmul_mat_vect_int,2}, |
{"ltov",Pltov,1}, |
{"nbmul_gf2n",PNBmul_gf2n,3}, |
{"size",Psize,1}, |
{"x962_irredpoly_up2",Px962_irredpoly_up2,2}, |
{"det",Pdet,-2}, |
{"irredpoly_up2",Pirredpoly_up2,2}, |
{"nd_det",Pnd_det,-2}, |
{"nbpoly_up2",Pnbpoly_up2,2}, |
{"invmat",Pinvmat,-2}, |
{0,0,0}, |
{"leqm",Pleqm,2}, |
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{"leqm1",Pleqm1,2}, |
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{"geninvm",Pgeninvm,2}, |
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{"geninvm_swap",Pgeninvm_swap,2}, |
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{"geninv_sf_swap",Pgeninv_sf_swap,1}, |
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{"remainder",Premainder,2}, |
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{"sremainder",Psremainder,2}, |
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{"mulmat_gf2n",Pmulmat_gf2n,1}, |
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{"bconvmat_gf2n",Pbconvmat_gf2n,-4}, |
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{"mul_vect_mat_gf2n",Pmul_vect_mat_gf2n,2}, |
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{"mul_mat_vect_int",Pmul_mat_vect_int,2}, |
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{"nbmul_gf2n",PNBmul_gf2n,3}, |
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{"x962_irredpoly_up2",Px962_irredpoly_up2,2}, |
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{"irredpoly_up2",Pirredpoly_up2,2}, |
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{"nbpoly_up2",Pnbpoly_up2,2}, |
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{"mat_swap_row_destructive",Pmat_swap_row_destructive,3}, |
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{"mat_swap_col_destructive",Pmat_swap_col_destructive,3}, |
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{"mat_col",Pmat_col,2}, |
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{"lusolve_prep",Plusolve_prep,1}, |
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{"lusolve_main",Plusolve_main,1}, |
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{"triangleq",Ptriangleq,1}, |
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{0,0,0}, |
}; |
}; |
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int comp_obj(a,b) |
typedef struct _ent { int j; unsigned int e; } ent; |
Obj *a,*b; |
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ent *get_row(FILE *,int *l); |
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void put_row(FILE *out,int l,ent *a); |
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void lu_elim(int *l,ent **a,int k,int i,int mul,int mod); |
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void lu_append(int *,ent **,int *,int,int,int); |
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void solve_l(int *,ent **,int,int *,int); |
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void solve_u(int *,ent **,int,int *,int); |
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static int *ul,*ll; |
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static ent **u,**l; |
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static int modulus; |
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void Plusolve_prep(NODE arg,Q *rp) |
{ |
{ |
return arf_comp(CO,*a,*b); |
char *fname; |
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FILE *in; |
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int len,i,rank; |
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int *rhs; |
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fname = BDY((STRING)ARG0(arg)); |
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in = fopen(fname,"r"); |
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modulus = getw(in); |
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len = getw(in); |
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ul = (int *)MALLOC_ATOMIC(len*sizeof(int)); |
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u = (ent **)MALLOC(len*sizeof(ent *)); |
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ll = (int *)MALLOC_ATOMIC(len*sizeof(int)); |
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l = (ent **)MALLOC(len*sizeof(ent *)); |
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for ( i = 0; i < len; i++ ) { |
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u[i] = get_row(in,&ul[i]); |
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} |
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for ( i = 0; i < len; i++ ) { |
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l[i] = get_row(in,&ll[i]); |
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} |
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fclose(in); |
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*rp = ONE; |
} |
} |
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void Plusolve_main(NODE arg,VECT *rp) |
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{ |
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Q *d,*p; |
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VECT v,r; |
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int len,i; |
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int *rhs; |
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v = (VECT)ARG0(arg); len = v->len; |
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d = (Q *)BDY(v); |
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rhs = (int *)MALLOC_ATOMIC(len*sizeof(int)); |
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for ( i = 0; i < len; i++ ) rhs[i] = QTOS(d[i]); |
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solve_l(ll,l,len,rhs,modulus); |
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solve_u(ul,u,len,rhs,modulus); |
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NEWVECT(r); r->len = len; |
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r->body = (pointer *)MALLOC(len*sizeof(pointer)); |
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p = (Q *)r->body; |
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for ( i = 0; i < len; i++ ) |
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STOQ(rhs[i],p[i]); |
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*rp = r; |
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} |
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ent *get_row(FILE *in,int *l) |
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{ |
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int len,i; |
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ent *a; |
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*l = len = getw(in); |
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a = (ent *)MALLOC_ATOMIC(len*sizeof(ent)); |
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for ( i = 0; i < len; i++ ) { |
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a[i].j = getw(in); |
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a[i].e = getw(in); |
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} |
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return a; |
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} |
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void lu_gauss(int *ul,ent **u,int *ll,ent **l,int n,int mod) |
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{ |
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int i,j,k,s,mul; |
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unsigned int inv; |
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int *ll2; |
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ll2 = (int *)MALLOC_ATOMIC(n*sizeof(int)); |
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for ( i = 0; i < n; i++ ) ll2[i] = 0; |
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for ( i = 0; i < n; i++ ) { |
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fprintf(stderr,"i=%d\n",i); |
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inv = invm(u[i][0].e,mod); |
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for ( k = i+1; k < n; k++ ) |
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if ( u[k][0].j == n-i ) { |
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s = u[k][0].e; |
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DMAR(s,inv,0,mod,mul); |
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lu_elim(ul,u,k,i,mul,mod); |
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lu_append(ll,l,ll2,k,i,mul); |
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} |
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} |
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} |
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#define INITLEN 10 |
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void lu_append(int *l,ent **a,int *l2,int k,int i,int mul) |
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{ |
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int len; |
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ent *p; |
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len = l[k]; |
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if ( !len ) { |
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a[k] = p = (ent *)MALLOC_ATOMIC(INITLEN*sizeof(ent)); |
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p[0].j = i; p[0].e = mul; |
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l[k] = 1; l2[k] = INITLEN; |
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} else { |
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if ( l2[k] == l[k] ) { |
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l2[k] *= 2; |
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a[k] = REALLOC(a[k],l2[k]*sizeof(ent)); |
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} |
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p =a[k]; |
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p[l[k]].j = i; p[l[k]].e = mul; |
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l[k]++; |
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} |
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} |
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/* a[k] = a[k]-mul*a[i] */ |
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void lu_elim(int *l,ent **a,int k,int i,int mul,int mod) |
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{ |
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ent *ak,*ai,*w; |
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int lk,li,j,m,p,q,r,s,t,j0; |
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ak = a[k]; ai = a[i]; lk = l[k]; li = l[i]; |
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w = (ent *)alloca((lk+li)*sizeof(ent)); |
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p = 0; q = 0; j = 0; |
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mul = mod-mul; |
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while ( p < lk && q < li ) { |
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if ( ak[p].j > ai[q].j ) { |
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w[j] = ak[p]; j++; p++; |
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} else if ( ak[p].j < ai[q].j ) { |
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w[j].j = ai[q].j; |
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t = ai[q].e; |
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DMAR(t,mul,0,mod,r); |
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w[j].e = r; |
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j++; q++; |
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} else { |
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t = ai[q].e; s = ak[p].e; |
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DMAR(t,mul,s,mod,r); |
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if ( r ) { |
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w[j].j = ai[q].j; w[j].e = r; j++; |
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} |
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p++; q++; |
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} |
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} |
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if ( q == li ) |
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while ( p < lk ) { |
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w[j] = ak[p]; j++; p++; |
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} |
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else if ( p == lk ) |
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while ( q < li ) { |
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w[j].j = ai[q].j; |
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t = ai[q].e; |
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DMAR(t,mul,0,mod,r); |
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w[j].e = r; |
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j++; q++; |
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} |
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if ( j <= lk ) { |
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for ( m = 0; m < j; m++ ) ak[m] = w[m]; |
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} else { |
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a[k] = ak = (ent *)MALLOC_ATOMIC(j*sizeof(ent)); |
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for ( m = 0; m < j; m++ ) ak[m] = w[m]; |
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} |
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l[k] = j; |
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} |
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void solve_l(int *ll,ent **l,int n,int *rhs,int mod) |
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{ |
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int j,k,s,len; |
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ent *p; |
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for ( j = 0; j < n; j++ ) { |
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len = ll[j]; p = l[j]; |
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for ( k = 0, s = 0; k < len; k++ ) |
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s = dmar(p[k].e,rhs[p[k].j],s,mod); |
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rhs[j] -= s; |
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if ( rhs[j] < 0 ) rhs[j] += mod; |
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} |
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} |
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void solve_u(int *ul,ent **u,int n,int *rhs,int mod) |
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{ |
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int j,k,s,len,inv; |
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ent *p; |
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for ( j = n-1; j >= 0; j-- ) { |
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len = ul[j]; p = u[j]; |
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for ( k = 1, s = 0; k < len; k++ ) |
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s = dmar(p[k].e,rhs[p[k].j],s,mod); |
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rhs[j] -= s; |
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if ( rhs[j] < 0 ) rhs[j] += mod; |
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inv = invm((unsigned int)p[0].e,mod); |
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rhs[j] = dmar(rhs[j],inv,0,mod); |
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} |
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} |
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int comp_obj(Obj *a,Obj *b) |
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{ |
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return arf_comp(CO,*a,*b); |
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} |
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static FUNC generic_comp_obj_func; |
static FUNC generic_comp_obj_func; |
static NODE generic_comp_obj_arg; |
static NODE generic_comp_obj_arg; |
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static NODE generic_comp_obj_option; |
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int generic_comp_obj(a,b) |
int generic_comp_obj(Obj *a,Obj *b) |
Obj *a,*b; |
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{ |
{ |
Q r; |
Q r; |
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BDY(generic_comp_obj_arg)=(pointer)(*a); |
BDY(generic_comp_obj_arg)=(pointer)(*a); |
BDY(NEXT(generic_comp_obj_arg))=(pointer)(*b); |
BDY(NEXT(generic_comp_obj_arg))=(pointer)(*b); |
r = (Q)bevalf(generic_comp_obj_func,generic_comp_obj_arg); |
r = (Q)bevalf_with_opts(generic_comp_obj_func,generic_comp_obj_arg,generic_comp_obj_option); |
if ( !r ) |
if ( !r ) |
return 0; |
return 0; |
else |
else |
return SGN(r)>0?1:-1; |
return SGN(r)>0?1:-1; |
} |
} |
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void Pqsort(arg,rp) |
void Pqsort(NODE arg,LIST *rp) |
NODE arg; |
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VECT *rp; |
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{ |
{ |
VECT vect; |
VECT vect; |
char buf[BUFSIZ]; |
NODE n,n1; |
char *fname; |
P p; |
NODE n; |
V v; |
P p; |
FUNC func; |
V v; |
int len,i; |
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pointer *a; |
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Obj t; |
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asir_assert(ARG0(arg),O_VECT,"qsort"); |
t = ARG0(arg); |
vect = (VECT)ARG0(arg); |
if (OID(t) == O_LIST) { |
if ( argc(arg) == 1 ) |
n = (NODE)BDY((LIST)t); |
qsort(BDY(vect),vect->len,sizeof(Obj),(int (*)(const void *,const void *))comp_obj); |
len = length(n); |
else { |
MKVECT(vect,len); |
p = (P)ARG1(arg); |
for ( i = 0; i < len; i++, n = NEXT(n) ) { |
if ( !p || OID(p)!=2 ) |
BDY(vect)[i] = BDY(n); |
error("qsort : invalid argument"); |
} |
v = VR(p); |
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if ( (int)v->attr != V_SR ) |
}else if (OID(t) != O_VECT) { |
error("qsort : no such function"); |
error("qsort : invalid argument"); |
generic_comp_obj_func = (FUNC)v->priv; |
}else { |
MKNODE(n,0,0); MKNODE(generic_comp_obj_arg,0,n); |
vect = (VECT)t; |
qsort(BDY(vect),vect->len,sizeof(Obj),(int (*)(const void *,const void *))generic_comp_obj); |
} |
} |
if ( argc(arg) == 1 ) |
*rp = vect; |
qsort(BDY(vect),vect->len,sizeof(Obj),(int (*)(const void *,const void *))comp_obj); |
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else { |
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p = (P)ARG1(arg); |
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if ( !p || OID(p)!=2 ) |
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error("qsort : invalid argument"); |
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v = VR(p); |
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gen_searchf(NAME(v),&func); |
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if ( !func ) { |
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if ( (int)v->attr != V_SR ) |
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error("qsort : no such function"); |
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func = (FUNC)v->priv; |
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} |
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generic_comp_obj_func = func; |
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MKNODE(n,0,0); MKNODE(generic_comp_obj_arg,0,n); |
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generic_comp_obj_option = current_option; |
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qsort(BDY(vect),vect->len,sizeof(Obj),(int (*)(const void *,const void *))generic_comp_obj); |
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} |
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if (OID(t) == O_LIST) { |
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a = BDY(vect); |
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for ( i = len - 1, n = 0; i >= 0; i-- ) { |
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MKNODE(n1,a[i],n); n = n1; |
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} |
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MKLIST(*rp,n); |
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}else { |
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*rp = (LIST)vect; |
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} |
} |
} |
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void PNBmul_gf2n(arg,rp) |
void PNBmul_gf2n(NODE arg,GF2N *rp) |
NODE arg; |
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GF2N *rp; |
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{ |
{ |
GF2N a,b; |
GF2N a,b; |
GF2MAT mat; |
GF2MAT mat; |
int n,w; |
int n,w; |
unsigned int *ab,*bb; |
unsigned int *ab,*bb; |
UP2 r; |
UP2 r; |
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a = (GF2N)ARG0(arg); |
a = (GF2N)ARG0(arg); |
b = (GF2N)ARG1(arg); |
b = (GF2N)ARG1(arg); |
mat = (GF2MAT)ARG2(arg); |
mat = (GF2MAT)ARG2(arg); |
if ( !a || !b ) |
if ( !a || !b ) |
*rp = 0; |
*rp = 0; |
else { |
else { |
n = mat->row; |
n = mat->row; |
w = (n+BSH-1)/BSH; |
w = (n+BSH-1)/BSH; |
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ab = (unsigned int *)ALLOCA(w*sizeof(unsigned int)); |
ab = (unsigned int *)ALLOCA(w*sizeof(unsigned int)); |
bzero((char *)ab,w*sizeof(unsigned int)); |
bzero((char *)ab,w*sizeof(unsigned int)); |
bcopy(a->body->b,ab,(a->body->w)*sizeof(unsigned int)); |
bcopy(a->body->b,ab,(a->body->w)*sizeof(unsigned int)); |
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bb = (unsigned int *)ALLOCA(w*sizeof(unsigned int)); |
bb = (unsigned int *)ALLOCA(w*sizeof(unsigned int)); |
bzero((char *)bb,w*sizeof(unsigned int)); |
bzero((char *)bb,w*sizeof(unsigned int)); |
bcopy(b->body->b,bb,(b->body->w)*sizeof(unsigned int)); |
bcopy(b->body->b,bb,(b->body->w)*sizeof(unsigned int)); |
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NEWUP2(r,w); |
NEWUP2(r,w); |
bzero((char *)r->b,w*sizeof(unsigned int)); |
bzero((char *)r->b,w*sizeof(unsigned int)); |
mul_nb(mat,ab,bb,r->b); |
mul_nb(mat,ab,bb,r->b); |
r->w = w; |
r->w = w; |
_adjup2(r); |
_adjup2(r); |
if ( !r->w ) |
if ( !r->w ) |
*rp = 0; |
*rp = 0; |
else |
else |
MKGF2N(r,*rp); |
MKGF2N(r,*rp); |
} |
} |
} |
} |
|
|
void Pmul_vect_mat_gf2n(arg,rp) |
void Pmul_vect_mat_gf2n(NODE arg,GF2N *rp) |
NODE arg; |
|
GF2N *rp; |
|
{ |
{ |
GF2N a; |
GF2N a; |
GF2MAT mat; |
GF2MAT mat; |
int n,w; |
int n,w; |
unsigned int *b; |
unsigned int *b; |
UP2 r; |
UP2 r; |
|
|
a = (GF2N)ARG0(arg); |
a = (GF2N)ARG0(arg); |
mat = (GF2MAT)ARG1(arg); |
mat = (GF2MAT)ARG1(arg); |
if ( !a ) |
if ( !a ) |
*rp = 0; |
*rp = 0; |
else { |
else { |
n = mat->row; |
n = mat->row; |
w = (n+BSH-1)/BSH; |
w = (n+BSH-1)/BSH; |
b = (unsigned int *)ALLOCA(w*sizeof(unsigned int)); |
b = (unsigned int *)ALLOCA(w*sizeof(unsigned int)); |
bzero((char *)b,w*sizeof(unsigned int)); |
bzero((char *)b,w*sizeof(unsigned int)); |
bcopy(a->body->b,b,(a->body->w)*sizeof(unsigned int)); |
bcopy(a->body->b,b,(a->body->w)*sizeof(unsigned int)); |
NEWUP2(r,w); |
NEWUP2(r,w); |
bzero((char *)r->b,w*sizeof(unsigned int)); |
bzero((char *)r->b,w*sizeof(unsigned int)); |
mulgf2vectmat(mat->row,b,mat->body,r->b); |
mulgf2vectmat(mat->row,b,mat->body,r->b); |
r->w = w; |
r->w = w; |
_adjup2(r); |
_adjup2(r); |
if ( !r->w ) |
if ( !r->w ) |
*rp = 0; |
*rp = 0; |
else { |
else { |
MKGF2N(r,*rp); |
MKGF2N(r,*rp); |
} |
} |
} |
} |
} |
} |
|
|
void Pbconvmat_gf2n(arg,rp) |
void Pbconvmat_gf2n(NODE arg,LIST *rp) |
NODE arg; |
|
LIST *rp; |
|
{ |
{ |
P p0,p1; |
P p0,p1; |
int to; |
int to; |
GF2MAT p01,p10; |
GF2MAT p01,p10; |
GF2N root; |
GF2N root; |
NODE n0,n1; |
NODE n0,n1; |
|
|
p0 = (P)ARG0(arg); |
p0 = (P)ARG0(arg); |
p1 = (P)ARG1(arg); |
p1 = (P)ARG1(arg); |
to = ARG2(arg)?1:0; |
to = ARG2(arg)?1:0; |
if ( argc(arg) == 4 ) { |
if ( argc(arg) == 4 ) { |
root = (GF2N)ARG3(arg); |
root = (GF2N)ARG3(arg); |
compute_change_of_basis_matrix_with_root(p0,p1,to,root,&p01,&p10); |
compute_change_of_basis_matrix_with_root(p0,p1,to,root,&p01,&p10); |
} else |
} else |
compute_change_of_basis_matrix(p0,p1,to,&p01,&p10); |
compute_change_of_basis_matrix(p0,p1,to,&p01,&p10); |
MKNODE(n1,p10,0); MKNODE(n0,p01,n1); |
MKNODE(n1,p10,0); MKNODE(n0,p01,n1); |
MKLIST(*rp,n0); |
MKLIST(*rp,n0); |
} |
} |
|
|
void Pmulmat_gf2n(arg,rp) |
void Pmulmat_gf2n(NODE arg,GF2MAT *rp) |
NODE arg; |
|
GF2MAT *rp; |
|
{ |
{ |
GF2MAT m; |
GF2MAT m; |
|
|
if ( !compute_multiplication_matrix((P)ARG0(arg),&m) ) |
if ( !compute_multiplication_matrix((P)ARG0(arg),&m) ) |
error("mulmat_gf2n : input is not a normal polynomial"); |
error("mulmat_gf2n : input is not a normal polynomial"); |
*rp = m; |
*rp = m; |
} |
} |
|
|
void Psepmat_destructive(arg,rp) |
void Psepmat_destructive(NODE arg,LIST *rp) |
NODE arg; |
|
LIST *rp; |
|
{ |
{ |
MAT mat,mat1; |
MAT mat,mat1; |
int i,j,row,col; |
int i,j,row,col; |
Q **a,**a1; |
Q **a,**a1; |
Q ent; |
Q ent; |
N nm,mod,rem,quo; |
N nm,mod,rem,quo; |
int sgn; |
int sgn; |
NODE n0,n1; |
NODE n0,n1; |
|
|
mat = (MAT)ARG0(arg); mod = NM((Q)ARG1(arg)); |
mat = (MAT)ARG0(arg); mod = NM((Q)ARG1(arg)); |
row = mat->row; col = mat->col; |
row = mat->row; col = mat->col; |
MKMAT(mat1,row,col); |
MKMAT(mat1,row,col); |
a = (Q **)mat->body; a1 = (Q **)mat1->body; |
a = (Q **)mat->body; a1 = (Q **)mat1->body; |
for ( i = 0; i < row; i++ ) |
for ( i = 0; i < row; i++ ) |
for ( j = 0; j < col; j++ ) { |
for ( j = 0; j < col; j++ ) { |
ent = a[i][j]; |
ent = a[i][j]; |
if ( !ent ) |
if ( !ent ) |
continue; |
continue; |
nm = NM(ent); |
nm = NM(ent); |
sgn = SGN(ent); |
sgn = SGN(ent); |
divn(nm,mod,&quo,&rem); |
divn(nm,mod,&quo,&rem); |
/* if ( quo != nm && rem != nm ) */ |
/* if ( quo != nm && rem != nm ) */ |
/* GC_free(nm); */ |
/* GCFREE(nm); */ |
/* GC_free(ent); */ |
/* GCFREE(ent); */ |
NTOQ(rem,sgn,a[i][j]); NTOQ(quo,sgn,a1[i][j]); |
NTOQ(rem,sgn,a[i][j]); NTOQ(quo,sgn,a1[i][j]); |
} |
} |
MKNODE(n1,mat1,0); MKNODE(n0,mat,n1); |
MKNODE(n1,mat1,0); MKNODE(n0,mat,n1); |
MKLIST(*rp,n0); |
MKLIST(*rp,n0); |
} |
} |
|
|
void Psepvect(arg,rp) |
void Psepvect(NODE arg,VECT *rp) |
NODE arg; |
|
VECT *rp; |
|
{ |
{ |
sepvect((VECT)ARG0(arg),QTOS((Q)ARG1(arg)),rp); |
sepvect((VECT)ARG0(arg),QTOS((Q)ARG1(arg)),rp); |
} |
} |
|
|
void sepvect(v,d,rp) |
void sepvect(VECT v,int d,VECT *rp) |
VECT v; |
|
int d; |
|
VECT *rp; |
|
{ |
{ |
int i,j,k,n,q,q1,r; |
int i,j,k,n,q,q1,r; |
pointer *pv,*pw,*pu; |
pointer *pv,*pw,*pu; |
VECT w,u; |
VECT w,u; |
|
|
n = v->len; |
n = v->len; |
if ( d > n ) |
if ( d > n ) |
d = n; |
d = n; |
q = n/d; r = n%d; q1 = q+1; |
q = n/d; r = n%d; q1 = q+1; |
MKVECT(w,d); *rp = w; |
MKVECT(w,d); *rp = w; |
pv = BDY(v); pw = BDY(w); k = 0; |
pv = BDY(v); pw = BDY(w); k = 0; |
for ( i = 0; i < r; i++ ) { |
for ( i = 0; i < r; i++ ) { |
MKVECT(u,q1); pw[i] = (pointer)u; |
MKVECT(u,q1); pw[i] = (pointer)u; |
for ( pu = BDY(u), j = 0; j < q1; j++, k++ ) |
for ( pu = BDY(u), j = 0; j < q1; j++, k++ ) |
pu[j] = pv[k]; |
pu[j] = pv[k]; |
} |
} |
for ( ; i < d; i++ ) { |
for ( ; i < d; i++ ) { |
MKVECT(u,q); pw[i] = (pointer)u; |
MKVECT(u,q); pw[i] = (pointer)u; |
for ( pu = BDY(u), j = 0; j < q; j++, k++ ) |
for ( pu = BDY(u), j = 0; j < q; j++, k++ ) |
pu[j] = pv[k]; |
pu[j] = pv[k]; |
} |
} |
} |
} |
|
|
void Pnewvect(arg,rp) |
void Pnewvect(NODE arg,VECT *rp) |
NODE arg; |
|
VECT *rp; |
|
{ |
{ |
int len,i,r; |
int len,i,r; |
VECT vect; |
VECT vect; |
pointer *vb; |
pointer *vb; |
LIST list; |
LIST list; |
NODE tn; |
NODE tn; |
|
|
asir_assert(ARG0(arg),O_N,"newvect"); |
asir_assert(ARG0(arg),O_N,"newvect"); |
len = QTOS((Q)ARG0(arg)); |
len = QTOS((Q)ARG0(arg)); |
if ( len < 0 ) |
if ( len < 0 ) |
error("newvect : invalid size"); |
error("newvect : invalid size"); |
MKVECT(vect,len); |
MKVECT(vect,len); |
if ( argc(arg) == 2 ) { |
if ( argc(arg) == 2 ) { |
list = (LIST)ARG1(arg); |
list = (LIST)ARG1(arg); |
asir_assert(list,O_LIST,"newvect"); |
asir_assert(list,O_LIST,"newvect"); |
for ( r = 0, tn = BDY(list); tn; r++, tn = NEXT(tn) ); |
#if 0 |
if ( r > len ) { |
for ( r = 0, tn = BDY(list); tn; r++, tn = NEXT(tn) ); |
*rp = vect; |
if ( r > len ) { |
return; |
*rp = vect; |
} |
return; |
for ( i = 0, tn = BDY(list), vb = BDY(vect); tn; i++, tn = NEXT(tn) ) |
} |
vb[i] = (pointer)BDY(tn); |
#endif |
} |
for ( i = 0, tn = BDY(list), vb = BDY(vect); tn; i++, tn = NEXT(tn) ) |
*rp = vect; |
vb[i] = (pointer)BDY(tn); |
|
} |
|
*rp = vect; |
} |
} |
|
|
void Pnewbytearray(arg,rp) |
void Pvect(NODE arg,VECT *rp) { |
NODE arg; |
int len,i; |
BYTEARRAY *rp; |
VECT vect; |
|
pointer *vb; |
|
NODE tn; |
|
|
|
if ( !arg ) { |
|
*rp =0; |
|
return; |
|
} |
|
|
|
for (len = 0, tn = arg; tn; tn = NEXT(tn), len++); |
|
if ( len == 1 ) { |
|
if ( ARG0(arg) != 0 ) { |
|
switch ( OID(ARG0(arg)) ) { |
|
case O_VECT: |
|
*rp = ARG0(arg); |
|
return; |
|
case O_LIST: |
|
for ( len = 0, tn = ARG0(arg); tn; tn = NEXT(tn), len++ ); |
|
MKVECT(vect,len-1); |
|
for ( i = 0, tn = BDY((LIST)ARG0(arg)), vb =BDY(vect); |
|
tn; i++, tn = NEXT(tn) ) |
|
vb[i] = (pointer)BDY(tn); |
|
*rp=vect; |
|
return; |
|
} |
|
} |
|
} |
|
MKVECT(vect,len); |
|
for ( i = 0, tn = arg, vb = BDY(vect); tn; i++, tn = NEXT(tn) ) |
|
vb[i] = (pointer)BDY(tn); |
|
*rp = vect; |
|
} |
|
|
|
void Pexponent_vector(NODE arg,DP *rp) |
{ |
{ |
int len,i,r; |
nodetod(arg,rp); |
BYTEARRAY array; |
} |
unsigned char *vb; |
|
char *str; |
|
LIST list; |
|
NODE tn; |
|
|
|
asir_assert(ARG0(arg),O_N,"newbytearray"); |
void Pnewbytearray(NODE arg,BYTEARRAY *rp) |
len = QTOS((Q)ARG0(arg)); |
{ |
if ( len < 0 ) |
int len,i,r; |
error("newbytearray : invalid size"); |
BYTEARRAY array; |
MKBYTEARRAY(array,len); |
unsigned char *vb; |
if ( argc(arg) == 2 ) { |
char *str; |
if ( !ARG1(arg) ) |
LIST list; |
error("newbytearray : invalid initialization"); |
NODE tn; |
switch ( OID((Obj)ARG1(arg)) ) { |
int ac; |
case O_LIST: |
struct stat sbuf; |
list = (LIST)ARG1(arg); |
char *fname; |
asir_assert(list,O_LIST,"newbytearray"); |
FILE *fp; |
for ( r = 0, tn = BDY(list); tn; r++, tn = NEXT(tn) ); |
|
if ( r <= len ) { |
ac = argc(arg); |
for ( i = 0, tn = BDY(list), vb = BDY(array); tn; |
if ( ac == 1 ) { |
i++, tn = NEXT(tn) ) |
if ( !OID((Obj)ARG0(arg)) ) error("newbytearray : invalid argument"); |
vb[i] = (unsigned char)QTOS((Q)BDY(tn)); |
switch ( OID((Obj)ARG0(arg)) ) { |
} |
case O_STR: |
break; |
fname = BDY((STRING)ARG0(arg)); |
case O_STR: |
fp = fopen(fname,"rb"); |
str = BDY((STRING)ARG1(arg)); |
if ( !fp ) error("newbytearray : fopen failed"); |
r = strlen(str); |
if ( stat(fname,&sbuf) < 0 ) |
if ( r <= len ) |
error("newbytearray : stat failed"); |
bcopy(str,BDY(array),r); |
len = sbuf.st_size; |
break; |
MKBYTEARRAY(array,len); |
default: |
fread(BDY(array),len,sizeof(char),fp); |
if ( !ARG1(arg) ) |
break; |
error("newbytearray : invalid initialization"); |
case O_N: |
} |
if ( !RATN(ARG0(arg)) ) |
} |
error("newbytearray : invalid argument"); |
*rp = array; |
len = QTOS((Q)ARG0(arg)); |
|
if ( len < 0 ) |
|
error("newbytearray : invalid size"); |
|
MKBYTEARRAY(array,len); |
|
break; |
|
default: |
|
error("newbytearray : invalid argument"); |
|
} |
|
} else if ( ac == 2 ) { |
|
asir_assert(ARG0(arg),O_N,"newbytearray"); |
|
len = QTOS((Q)ARG0(arg)); |
|
if ( len < 0 ) |
|
error("newbytearray : invalid size"); |
|
MKBYTEARRAY(array,len); |
|
if ( !ARG1(arg) ) |
|
error("newbytearray : invalid initialization"); |
|
switch ( OID((Obj)ARG1(arg)) ) { |
|
case O_LIST: |
|
list = (LIST)ARG1(arg); |
|
asir_assert(list,O_LIST,"newbytearray"); |
|
for ( r = 0, tn = BDY(list); tn; r++, tn = NEXT(tn) ); |
|
if ( r <= len ) { |
|
for ( i = 0, tn = BDY(list), vb = BDY(array); tn; |
|
i++, tn = NEXT(tn) ) |
|
vb[i] = (unsigned char)QTOS((Q)BDY(tn)); |
|
} |
|
break; |
|
case O_STR: |
|
str = BDY((STRING)ARG1(arg)); |
|
r = strlen(str); |
|
if ( r <= len ) |
|
bcopy(str,BDY(array),r); |
|
break; |
|
default: |
|
if ( !ARG1(arg) ) |
|
error("newbytearray : invalid initialization"); |
|
} |
|
} else |
|
error("newbytearray : invalid argument"); |
|
*rp = array; |
} |
} |
|
|
void Pnewmat(arg,rp) |
#define MEMORY_GETPOINT(a,len,x,y) (((a)[(len)*(y)+((x)>>3)])&(1<<((x)&7))) |
NODE arg; |
|
MAT *rp; |
void Pmemoryplot_to_coord(NODE arg,LIST *rp) |
{ |
{ |
int row,col; |
int len,blen,y,i,j; |
int i,j,r,c; |
unsigned char *a; |
NODE tn,sn; |
NODE r0,r,n; |
MAT m; |
LIST l; |
pointer **mb; |
BYTEARRAY ba; |
LIST list; |
Q iq,jq; |
|
|
asir_assert(ARG0(arg),O_N,"newmat"); |
asir_assert(ARG0(arg),O_LIST,"memoryplot_to_coord"); |
asir_assert(ARG1(arg),O_N,"newmat"); |
arg = BDY((LIST)ARG0(arg)); |
row = QTOS((Q)ARG0(arg)); col = QTOS((Q)ARG1(arg)); |
len = QTOS((Q)ARG0(arg)); |
if ( row < 0 || col < 0 ) |
blen = (len+7)/8; |
error("newmat : invalid size"); |
y = QTOS((Q)ARG1(arg)); |
MKMAT(m,row,col); |
ba = (BYTEARRAY)ARG2(arg); a = ba->body; |
if ( argc(arg) == 3 ) { |
r0 = 0; |
list = (LIST)ARG2(arg); |
for ( j = 0; j < y; j++ ) |
asir_assert(list,O_LIST,"newmat"); |
for ( i = 0; i < len; i++ ) |
for ( r = 0, c = 0, tn = BDY(list); tn; r++, tn = NEXT(tn) ) { |
if ( MEMORY_GETPOINT(a,blen,i,j) ) { |
for ( j = 0, sn = BDY((LIST)BDY(tn)); sn; j++, sn = NEXT(sn) ); |
NEXTNODE(r0,r); |
c = MAX(c,j); |
STOQ(i,iq); STOQ(j,jq); |
} |
n = mknode(2,iq,jq); |
if ( (r > row) || (c > col) ) { |
MKLIST(l,n); |
*rp = m; |
BDY(r) = l; |
return; |
} |
} |
if ( r0 ) NEXT(r) = 0; |
for ( i = 0, tn = BDY(list), mb = BDY(m); tn; i++, tn = NEXT(tn) ) { |
MKLIST(*rp,r0); |
asir_assert(BDY(tn),O_LIST,"newmat"); |
|
for ( j = 0, sn = BDY((LIST)BDY(tn)); sn; j++, sn = NEXT(sn) ) |
|
mb[i][j] = (pointer)BDY(sn); |
|
} |
|
} |
|
*rp = m; |
|
} |
} |
|
|
void Pvtol(arg,rp) |
void Pnewmat(NODE arg,MAT *rp) |
NODE arg; |
|
LIST *rp; |
|
{ |
{ |
NODE n,n1; |
int row,col; |
VECT v; |
int i,j,r,c; |
pointer *a; |
NODE tn,sn; |
int len,i; |
MAT m; |
|
pointer **mb; |
|
LIST list; |
|
|
asir_assert(ARG0(arg),O_VECT,"vtol"); |
asir_assert(ARG0(arg),O_N,"newmat"); |
v = (VECT)ARG0(arg); len = v->len; a = BDY(v); |
asir_assert(ARG1(arg),O_N,"newmat"); |
for ( i = len - 1, n = 0; i >= 0; i-- ) { |
row = QTOS((Q)ARG0(arg)); col = QTOS((Q)ARG1(arg)); |
MKNODE(n1,a[i],n); n = n1; |
if ( row < 0 || col < 0 ) |
} |
error("newmat : invalid size"); |
MKLIST(*rp,n); |
MKMAT(m,row,col); |
|
if ( argc(arg) == 3 ) { |
|
list = (LIST)ARG2(arg); |
|
asir_assert(list,O_LIST,"newmat"); |
|
for ( r = 0, c = 0, tn = BDY(list); tn; r++, tn = NEXT(tn) ) { |
|
for ( j = 0, sn = BDY((LIST)BDY(tn)); sn; j++, sn = NEXT(sn) ); |
|
c = MAX(c,j); |
|
} |
|
if ( (r > row) || (c > col) ) { |
|
*rp = m; |
|
return; |
|
} |
|
for ( i = 0, tn = BDY(list), mb = BDY(m); tn; i++, tn = NEXT(tn) ) { |
|
asir_assert(BDY(tn),O_LIST,"newmat"); |
|
for ( j = 0, sn = BDY((LIST)BDY(tn)); sn; j++, sn = NEXT(sn) ) |
|
mb[i][j] = (pointer)BDY(sn); |
|
} |
|
} |
|
*rp = m; |
} |
} |
|
|
void Premainder(arg,rp) |
void Pmat(NODE arg, MAT *rp) |
NODE arg; |
|
Obj *rp; |
|
{ |
{ |
Obj a; |
int row,col; |
VECT v,w; |
int i; |
MAT m,l; |
MAT m; |
pointer *vb,*wb; |
pointer **mb; |
pointer **mb,**lb; |
pointer *ent; |
int id,i,j,n,row,col,t,smd,sgn; |
NODE tn, sn; |
Q md,q; |
VECT v; |
|
|
a = (Obj)ARG0(arg); md = (Q)ARG1(arg); |
if ( !arg ) { |
if ( !a ) |
*rp =0; |
*rp = 0; |
return; |
else { |
} |
id = OID(a); |
|
switch ( id ) { |
for (row = 0, tn = arg; tn; tn = NEXT(tn), row++); |
case O_N: |
if ( row == 1 ) { |
case O_P: |
if ( OID(ARG0(arg)) == O_MAT ) { |
cmp(md,(P)a,(P *)rp); break; |
*rp=ARG0(arg); |
case O_VECT: |
return; |
smd = QTOS(md); |
} else if ( !(OID(ARG0(arg)) == O_LIST || OID(ARG0(arg)) == O_VECT)) { |
v = (VECT)a; n = v->len; vb = v->body; |
error("mat : invalid argument"); |
MKVECT(w,n); wb = w->body; |
} |
for ( i = 0; i < n; i++ ) { |
} |
if ( q = (Q)vb[i] ) { |
if ( OID(ARG0(arg)) == O_VECT ) { |
sgn = SGN(q); t = rem(NM(q),smd); |
v = ARG0(arg); |
STOQ(t,q); |
col = v->len; |
if ( q ) |
} else if ( OID(ARG0(arg)) == O_LIST ) { |
SGN(q) = sgn; |
for (col = 0, tn = BDY((LIST)ARG0(arg)); tn ; tn = NEXT(tn), col++); |
} |
} else { |
wb[i] = (pointer)q; |
error("mat : invalid argument"); |
} |
} |
*rp = (Obj)w; |
|
break; |
MKMAT(m,row,col); |
case O_MAT: |
for (row = 0, tn = arg, mb = BDY(m); tn; tn = NEXT(tn), row++) { |
m = (MAT)a; row = m->row; col = m->col; mb = m->body; |
if ( BDY(tn) == 0 ) { |
MKMAT(l,row,col); lb = l->body; |
error("mat : invalid argument"); |
for ( i = 0; i < row; i++ ) |
} else if ( OID(BDY(tn)) == O_VECT ) { |
for ( j = 0, vb = mb[i], wb = lb[i]; j < col; j++ ) |
v = tn->body; |
cmp(md,(P)vb[j],(P *)&wb[j]); |
ent = BDY(v); |
*rp = (Obj)l; |
for (i = 0; i < v->len; i++ ) mb[row][i] = (Obj)ent[i]; |
break; |
} else if ( OID(BDY(tn)) == O_LIST ) { |
default: |
for (col = 0, sn = BDY((LIST)BDY(tn)); sn; col++, sn = NEXT(sn) ) |
error("remainder : invalid argument"); |
mb[row][col] = (pointer)BDY(sn); |
} |
} else { |
} |
error("mat : invalid argument"); |
|
} |
|
} |
|
*rp = m; |
} |
} |
|
|
void Psremainder(arg,rp) |
void Pmatc(NODE arg, MAT *rp) |
NODE arg; |
|
Obj *rp; |
|
{ |
{ |
Obj a; |
int row,col; |
VECT v,w; |
int i; |
MAT m,l; |
MAT m; |
pointer *vb,*wb; |
pointer **mb; |
pointer **mb,**lb; |
pointer *ent; |
unsigned int t,smd; |
NODE tn, sn; |
int id,i,j,n,row,col; |
VECT v; |
Q md,q; |
|
|
|
a = (Obj)ARG0(arg); md = (Q)ARG1(arg); |
if ( !arg ) { |
if ( !a ) |
*rp =0; |
*rp = 0; |
return; |
else { |
} |
id = OID(a); |
|
switch ( id ) { |
for (col = 0, tn = arg; tn; tn = NEXT(tn), col++); |
case O_N: |
if ( col == 1 ) { |
case O_P: |
if ( OID(ARG0(arg)) == O_MAT ) { |
cmp(md,(P)a,(P *)rp); break; |
*rp=ARG0(arg); |
case O_VECT: |
return; |
smd = QTOS(md); |
} else if ( !(OID(ARG0(arg)) == O_LIST || OID(ARG0(arg)) == O_VECT)) { |
v = (VECT)a; n = v->len; vb = v->body; |
error("matc : invalid argument"); |
MKVECT(w,n); wb = w->body; |
} |
for ( i = 0; i < n; i++ ) { |
} |
if ( q = (Q)vb[i] ) { |
if ( OID(ARG0(arg)) == O_VECT ) { |
t = (unsigned int)rem(NM(q),smd); |
v = ARG0(arg); |
if ( SGN(q) < 0 ) |
row = v->len; |
t = (smd - t) % smd; |
} else if ( OID(ARG0(arg)) == O_LIST ) { |
UTOQ(t,q); |
for (row = 0, tn = BDY((LIST)ARG0(arg)); tn ; tn = NEXT(tn), row++); |
} |
} else { |
wb[i] = (pointer)q; |
error("matc : invalid argument"); |
} |
} |
*rp = (Obj)w; |
|
break; |
MKMAT(m,row,col); |
case O_MAT: |
for (col = 0, tn = arg, mb = BDY(m); tn; tn = NEXT(tn), col++) { |
m = (MAT)a; row = m->row; col = m->col; mb = m->body; |
if ( BDY(tn) == 0 ) { |
MKMAT(l,row,col); lb = l->body; |
error("matc : invalid argument"); |
for ( i = 0; i < row; i++ ) |
} else if ( OID(BDY(tn)) == O_VECT ) { |
for ( j = 0, vb = mb[i], wb = lb[i]; j < col; j++ ) |
v = tn->body; |
cmp(md,(P)vb[j],(P *)&wb[j]); |
ent = BDY(v); |
*rp = (Obj)l; |
for (i = 0; i < v->len; i++ ) mb[i][col] = (Obj)ent[i]; |
break; |
} else if ( OID(BDY(tn)) == O_LIST ) { |
default: |
for (row = 0, sn = BDY((LIST)BDY(tn)); sn; row++, sn = NEXT(sn) ) |
error("remainder : invalid argument"); |
mb[row][col] = (pointer)BDY(sn); |
} |
} else { |
} |
error("matc : invalid argument"); |
|
} |
|
} |
|
*rp = m; |
} |
} |
|
|
void Psize(arg,rp) |
void Pvtol(NODE arg,LIST *rp) |
NODE arg; |
|
LIST *rp; |
|
{ |
{ |
|
NODE n,n1; |
|
VECT v; |
|
pointer *a; |
|
int len,i; |
|
|
int n,m; |
if ( OID(ARG0(arg)) == O_LIST ) { |
Q q; |
*rp = ARG0(arg); |
NODE t,s; |
return; |
|
} |
|
asir_assert(ARG0(arg),O_VECT,"vtol"); |
|
v = (VECT)ARG0(arg); len = v->len; a = BDY(v); |
|
for ( i = len - 1, n = 0; i >= 0; i-- ) { |
|
MKNODE(n1,a[i],n); n = n1; |
|
} |
|
MKLIST(*rp,n); |
|
} |
|
|
if ( !ARG0(arg) ) |
void Pltov(NODE arg,VECT *rp) |
t = 0; |
{ |
else { |
NODE n; |
switch (OID(ARG0(arg))) { |
VECT v,v0; |
case O_VECT: |
int len,i; |
n = ((VECT)ARG0(arg))->len; |
|
STOQ(n,q); MKNODE(t,q,0); |
if ( OID(ARG0(arg)) == O_VECT ) { |
break; |
v0 = (VECT)ARG0(arg); len = v0->len; |
case O_MAT: |
MKVECT(v,len); |
n = ((MAT)ARG0(arg))->row; m = ((MAT)ARG0(arg))->col; |
for ( i = 0; i < len; i++ ) { |
STOQ(m,q); MKNODE(s,q,0); STOQ(n,q); MKNODE(t,q,s); |
BDY(v)[i] = BDY(v0)[i]; |
break; |
} |
default: |
*rp = v; |
error("size : invalid argument"); break; |
return; |
} |
} |
} |
asir_assert(ARG0(arg),O_LIST,"ltov"); |
MKLIST(*rp,t); |
n = (NODE)BDY((LIST)ARG0(arg)); |
|
len = length(n); |
|
MKVECT(v,len); |
|
for ( i = 0; i < len; i++, n = NEXT(n) ) |
|
BDY(v)[i] = BDY(n); |
|
*rp = v; |
} |
} |
|
|
void Pdet(arg,rp) |
void Premainder(NODE arg,Obj *rp) |
NODE arg; |
|
P *rp; |
|
{ |
{ |
MAT m; |
Obj a; |
int n,i,j,mod; |
VECT v,w; |
P d; |
MAT m,l; |
P **mat,**w; |
pointer *vb,*wb; |
|
pointer **mb,**lb; |
|
int id,i,j,n,row,col,t,smd,sgn; |
|
Q md,q; |
|
|
m = (MAT)ARG0(arg); |
a = (Obj)ARG0(arg); md = (Q)ARG1(arg); |
asir_assert(m,O_MAT,"det"); |
if ( !a ) |
if ( m->row != m->col ) |
*rp = 0; |
error("det : non-square matrix"); |
else { |
else if ( argc(arg) == 1 ) |
id = OID(a); |
detp(CO,(P **)BDY(m),m->row,rp); |
switch ( id ) { |
else { |
case O_N: |
n = m->row; mod = QTOS((Q)ARG1(arg)); mat = (P **)BDY(m); |
case O_P: |
w = (P **)almat_pointer(n,n); |
cmp(md,(P)a,(P *)rp); break; |
for ( i = 0; i < n; i++ ) |
case O_VECT: |
for ( j = 0; j < n; j++ ) |
smd = QTOS(md); |
ptomp(mod,mat[i][j],&w[i][j]); |
v = (VECT)a; n = v->len; vb = v->body; |
detmp(CO,mod,w,n,&d); |
MKVECT(w,n); wb = w->body; |
mptop(d,rp); |
for ( i = 0; i < n; i++ ) { |
} |
if ( q = (Q)vb[i] ) { |
|
sgn = SGN(q); t = rem(NM(q),smd); |
|
STOQ(t,q); |
|
if ( q ) |
|
SGN(q) = sgn; |
|
} |
|
wb[i] = (pointer)q; |
|
} |
|
*rp = (Obj)w; |
|
break; |
|
case O_MAT: |
|
m = (MAT)a; row = m->row; col = m->col; mb = m->body; |
|
MKMAT(l,row,col); lb = l->body; |
|
for ( i = 0; i < row; i++ ) |
|
for ( j = 0, vb = mb[i], wb = lb[i]; j < col; j++ ) |
|
cmp(md,(P)vb[j],(P *)&wb[j]); |
|
*rp = (Obj)l; |
|
break; |
|
default: |
|
error("remainder : invalid argument"); |
|
} |
|
} |
} |
} |
|
|
|
void Psremainder(NODE arg,Obj *rp) |
|
{ |
|
Obj a; |
|
VECT v,w; |
|
MAT m,l; |
|
pointer *vb,*wb; |
|
pointer **mb,**lb; |
|
unsigned int t,smd; |
|
int id,i,j,n,row,col; |
|
Q md,q; |
|
|
|
a = (Obj)ARG0(arg); md = (Q)ARG1(arg); |
|
if ( !a ) |
|
*rp = 0; |
|
else { |
|
id = OID(a); |
|
switch ( id ) { |
|
case O_N: |
|
case O_P: |
|
cmp(md,(P)a,(P *)rp); break; |
|
case O_VECT: |
|
smd = QTOS(md); |
|
v = (VECT)a; n = v->len; vb = v->body; |
|
MKVECT(w,n); wb = w->body; |
|
for ( i = 0; i < n; i++ ) { |
|
if ( q = (Q)vb[i] ) { |
|
t = (unsigned int)rem(NM(q),smd); |
|
if ( SGN(q) < 0 ) |
|
t = (smd - t) % smd; |
|
UTOQ(t,q); |
|
} |
|
wb[i] = (pointer)q; |
|
} |
|
*rp = (Obj)w; |
|
break; |
|
case O_MAT: |
|
m = (MAT)a; row = m->row; col = m->col; mb = m->body; |
|
MKMAT(l,row,col); lb = l->body; |
|
for ( i = 0; i < row; i++ ) |
|
for ( j = 0, vb = mb[i], wb = lb[i]; j < col; j++ ) |
|
cmp(md,(P)vb[j],(P *)&wb[j]); |
|
*rp = (Obj)l; |
|
break; |
|
default: |
|
error("remainder : invalid argument"); |
|
} |
|
} |
|
} |
|
|
|
void Psize(NODE arg,LIST *rp) |
|
{ |
|
|
|
int n,m; |
|
Q q; |
|
NODE t,s; |
|
|
|
if ( !ARG0(arg) ) |
|
t = 0; |
|
else { |
|
switch (OID(ARG0(arg))) { |
|
case O_VECT: |
|
n = ((VECT)ARG0(arg))->len; |
|
STOQ(n,q); MKNODE(t,q,0); |
|
break; |
|
case O_MAT: |
|
n = ((MAT)ARG0(arg))->row; m = ((MAT)ARG0(arg))->col; |
|
STOQ(m,q); MKNODE(s,q,0); STOQ(n,q); MKNODE(t,q,s); |
|
break; |
|
case O_IMAT: |
|
n = ((IMAT)ARG0(arg))->row; m = ((IMAT)ARG0(arg))->col; |
|
STOQ(m,q); MKNODE(s,q,0); STOQ(n,q); MKNODE(t,q,s); |
|
break; |
|
default: |
|
error("size : invalid argument"); break; |
|
} |
|
} |
|
MKLIST(*rp,t); |
|
} |
|
|
|
void Pdet(NODE arg,P *rp) |
|
{ |
|
MAT m; |
|
int n,i,j,mod; |
|
P d; |
|
P **mat,**w; |
|
|
|
m = (MAT)ARG0(arg); |
|
asir_assert(m,O_MAT,"det"); |
|
if ( m->row != m->col ) |
|
error("det : non-square matrix"); |
|
else if ( argc(arg) == 1 ) |
|
detp(CO,(P **)BDY(m),m->row,rp); |
|
else { |
|
n = m->row; mod = QTOS((Q)ARG1(arg)); mat = (P **)BDY(m); |
|
w = (P **)almat_pointer(n,n); |
|
for ( i = 0; i < n; i++ ) |
|
for ( j = 0; j < n; j++ ) |
|
ptomp(mod,mat[i][j],&w[i][j]); |
|
detmp(CO,mod,w,n,&d); |
|
mptop(d,rp); |
|
} |
|
} |
|
|
|
void Pinvmat(NODE arg,LIST *rp) |
|
{ |
|
MAT m,r; |
|
int n,i,j,mod; |
|
P dn; |
|
P **mat,**imat,**w; |
|
NODE nd; |
|
|
|
m = (MAT)ARG0(arg); |
|
asir_assert(m,O_MAT,"invmat"); |
|
if ( m->row != m->col ) |
|
error("invmat : non-square matrix"); |
|
else if ( argc(arg) == 1 ) { |
|
n = m->row; |
|
invmatp(CO,(P **)BDY(m),n,&imat,&dn); |
|
NEWMAT(r); r->row = n; r->col = n; r->body = (pointer **)imat; |
|
nd = mknode(2,r,dn); |
|
MKLIST(*rp,nd); |
|
} else { |
|
n = m->row; mod = QTOS((Q)ARG1(arg)); mat = (P **)BDY(m); |
|
w = (P **)almat_pointer(n,n); |
|
for ( i = 0; i < n; i++ ) |
|
for ( j = 0; j < n; j++ ) |
|
ptomp(mod,mat[i][j],&w[i][j]); |
|
#if 0 |
|
detmp(CO,mod,w,n,&d); |
|
mptop(d,rp); |
|
#else |
|
error("not implemented yet"); |
|
#endif |
|
} |
|
} |
|
|
/* |
/* |
input : a row x col matrix A |
input : a row x col matrix A |
A[I] <-> A[I][0]*x_0+A[I][1]*x_1+... |
A[I] <-> A[I][0]*x_0+A[I][1]*x_1+... |
|
|
output : [B,R,C] |
output : [B,D,R,C] |
B : a rank(A) x col-rank(A) matrix |
B : a rank(A) x col-rank(A) matrix |
R : a vector of length rank(A) |
D : the denominator |
C : a vector of length col-rank(A) |
R : a vector of length rank(A) |
B[I] <-> x_{R[I]}+B[I][0]x_{C[0]}+B[I][1]x_{C[1]}+... |
C : a vector of length col-rank(A) |
|
B[I] <-> D*x_{R[I]}+B[I][0]x_{C[0]}+B[I][1]x_{C[1]}+... |
*/ |
*/ |
|
|
void Pgeneric_gauss_elim_mod(arg,rp) |
void Pgeneric_gauss_elim(NODE arg,LIST *rp) |
NODE arg; |
|
LIST *rp; |
|
{ |
{ |
NODE n0; |
NODE n0,opt,p; |
MAT m,mat; |
MAT m,nm; |
VECT rind,cind; |
int *ri,*ci; |
Q **tmat; |
VECT rind,cind; |
int **wmat; |
Q dn,q; |
Q *rib,*cib; |
int i,row,col,t,rank; |
int *colstat; |
int is_hensel = 0; |
Q q; |
char *key; |
int md,i,j,k,l,row,col,t,n,rank; |
Obj value; |
|
|
asir_assert(ARG0(arg),O_MAT,"generic_gauss_elim_mod"); |
if ( current_option ) { |
asir_assert(ARG1(arg),O_N,"generic_gauss_elim_mod"); |
for ( opt = current_option; opt; opt = NEXT(opt) ) { |
m = (MAT)ARG0(arg); md = QTOS((Q)ARG1(arg)); |
p = BDY((LIST)BDY(opt)); |
row = m->row; col = m->col; tmat = (Q **)m->body; |
key = BDY((STRING)BDY(p)); |
wmat = (int **)almat(row,col); |
value = (Obj)BDY(NEXT(p)); |
colstat = (int *)MALLOC_ATOMIC(col*sizeof(int)); |
if ( !strcmp(key,"hensel") && value ) { |
for ( i = 0; i < row; i++ ) |
is_hensel = value ? 1 : 0; |
for ( j = 0; j < col; j++ ) |
break; |
if ( q = (Q)tmat[i][j] ) { |
} |
t = rem(NM(q),md); |
} |
if ( t && SGN(q) < 0 ) |
} |
t = (md - t) % md; |
asir_assert(ARG0(arg),O_MAT,"generic_gauss_elim"); |
wmat[i][j] = t; |
m = (MAT)ARG0(arg); |
} else |
row = m->row; col = m->col; |
wmat[i][j] = 0; |
if ( is_hensel ) |
rank = generic_gauss_elim_mod(wmat,row,col,md,colstat); |
rank = generic_gauss_elim_hensel(m,&nm,&dn,&ri,&ci); |
|
else |
|
rank = generic_gauss_elim(m,&nm,&dn,&ri,&ci); |
|
t = col-rank; |
|
MKVECT(rind,rank); |
|
MKVECT(cind,t); |
|
for ( i = 0; i < rank; i++ ) { |
|
STOQ(ri[i],q); |
|
BDY(rind)[i] = (pointer)q; |
|
} |
|
for ( i = 0; i < t; i++ ) { |
|
STOQ(ci[i],q); |
|
BDY(cind)[i] = (pointer)q; |
|
} |
|
n0 = mknode(4,nm,dn,rind,cind); |
|
MKLIST(*rp,n0); |
|
} |
|
|
MKMAT(mat,rank,col-rank); |
int indep_rows_mod(int **mat0,int row,int col,int md,int *rowstat); |
tmat = (Q **)mat->body; |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = k = 0; j < col; j++ ) |
|
if ( !colstat[j] ) { |
|
UTOQ(wmat[i][j],tmat[i][k]); k++; |
|
} |
|
|
|
MKVECT(rind,rank); |
void Pindep_rows_mod(NODE arg,VECT *rp) |
MKVECT(cind,col-rank); |
{ |
rib = (Q *)rind->body; cib = (Q *)cind->body; |
MAT m,mat; |
for ( j = k = l = 0; j < col; j++ ) |
VECT rind; |
if ( colstat[j] ) { |
Q **tmat; |
STOQ(j,rib[k]); k++; |
int **wmat,**row0; |
} else { |
Q *rib; |
STOQ(j,cib[l]); l++; |
int *rowstat,*p; |
} |
Q q; |
n0 = mknode(3,mat,rind,cind); |
int md,i,j,k,l,row,col,t,rank; |
MKLIST(*rp,n0); |
|
|
asir_assert(ARG0(arg),O_MAT,"indep_rows_mod"); |
|
asir_assert(ARG1(arg),O_N,"indep_rows_mod"); |
|
m = (MAT)ARG0(arg); md = QTOS((Q)ARG1(arg)); |
|
row = m->row; col = m->col; tmat = (Q **)m->body; |
|
wmat = (int **)almat(row,col); |
|
|
|
row0 = (int **)ALLOCA(row*sizeof(int *)); |
|
for ( i = 0; i < row; i++ ) row0[i] = wmat[i]; |
|
|
|
rowstat = (int *)MALLOC_ATOMIC(row*sizeof(int)); |
|
for ( i = 0; i < row; i++ ) |
|
for ( j = 0; j < col; j++ ) |
|
if ( q = (Q)tmat[i][j] ) { |
|
t = rem(NM(q),md); |
|
if ( t && SGN(q) < 0 ) |
|
t = (md - t) % md; |
|
wmat[i][j] = t; |
|
} else |
|
wmat[i][j] = 0; |
|
rank = indep_rows_mod(wmat,row,col,md,rowstat); |
|
|
|
MKVECT(rind,rank); |
|
rib = (Q *)rind->body; |
|
for ( j = 0; j < rank; j++ ) { |
|
STOQ(rowstat[j],rib[j]); |
|
} |
|
*rp = rind; |
} |
} |
|
|
void Pleqm(arg,rp) |
/* |
NODE arg; |
input : a row x col matrix A |
VECT *rp; |
A[I] <-> A[I][0]*x_0+A[I][1]*x_1+... |
|
|
|
output : [B,R,C] |
|
B : a rank(A) x col-rank(A) matrix |
|
R : a vector of length rank(A) |
|
C : a vector of length col-rank(A) |
|
RN : a vector of length rank(A) indicating useful rows |
|
|
|
B[I] <-> x_{R[I]}+B[I][0]x_{C[0]}+B[I][1]x_{C[1]}+... |
|
*/ |
|
|
|
void Pgeneric_gauss_elim_mod(NODE arg,LIST *rp) |
{ |
{ |
MAT m; |
NODE n0; |
VECT vect; |
MAT m,mat; |
pointer **mat; |
VECT rind,cind,rnum; |
Q *v; |
Q **tmat; |
Q q; |
int **wmat,**row0; |
int **wmat; |
Q *rib,*cib,*rnb; |
int md,i,j,row,col,t,n,status; |
int *colstat,*p; |
|
Q q; |
|
int md,i,j,k,l,row,col,t,rank; |
|
|
asir_assert(ARG0(arg),O_MAT,"leqm"); |
asir_assert(ARG0(arg),O_MAT,"generic_gauss_elim_mod"); |
asir_assert(ARG1(arg),O_N,"leqm"); |
asir_assert(ARG1(arg),O_N,"generic_gauss_elim_mod"); |
m = (MAT)ARG0(arg); md = QTOS((Q)ARG1(arg)); |
m = (MAT)ARG0(arg); md = QTOS((Q)ARG1(arg)); |
row = m->row; col = m->col; mat = m->body; |
row = m->row; col = m->col; tmat = (Q **)m->body; |
wmat = (int **)almat(row,col); |
wmat = (int **)almat(row,col); |
for ( i = 0; i < row; i++ ) |
|
for ( j = 0; j < col; j++ ) |
row0 = (int **)ALLOCA(row*sizeof(int *)); |
if ( q = (Q)mat[i][j] ) { |
for ( i = 0; i < row; i++ ) row0[i] = wmat[i]; |
t = rem(NM(q),md); |
|
if ( SGN(q) < 0 ) |
colstat = (int *)MALLOC_ATOMIC(col*sizeof(int)); |
t = (md - t) % md; |
for ( i = 0; i < row; i++ ) |
wmat[i][j] = t; |
for ( j = 0; j < col; j++ ) |
} else |
if ( q = (Q)tmat[i][j] ) { |
wmat[i][j] = 0; |
t = rem(NM(q),md); |
status = gauss_elim_mod(wmat,row,col,md); |
if ( t && SGN(q) < 0 ) |
if ( status < 0 ) |
t = (md - t) % md; |
*rp = 0; |
wmat[i][j] = t; |
else if ( status > 0 ) |
} else |
*rp = (VECT)ONE; |
wmat[i][j] = 0; |
else { |
rank = generic_gauss_elim_mod(wmat,row,col,md,colstat); |
n = col - 1; |
|
MKVECT(vect,n); |
MKVECT(rnum,rank); |
for ( i = 0, v = (Q *)vect->body; i < n; i++ ) { |
rnb = (Q *)rnum->body; |
t = (md-wmat[i][n])%md; STOQ(t,v[i]); |
for ( i = 0; i < rank; i++ ) |
} |
for ( j = 0, p = wmat[i]; j < row; j++ ) |
*rp = vect; |
if ( p == row0[j] ) |
} |
STOQ(j,rnb[i]); |
|
|
|
MKMAT(mat,rank,col-rank); |
|
tmat = (Q **)mat->body; |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = k = 0; j < col; j++ ) |
|
if ( !colstat[j] ) { |
|
UTOQ(wmat[i][j],tmat[i][k]); k++; |
|
} |
|
|
|
MKVECT(rind,rank); |
|
MKVECT(cind,col-rank); |
|
rib = (Q *)rind->body; cib = (Q *)cind->body; |
|
for ( j = k = l = 0; j < col; j++ ) |
|
if ( colstat[j] ) { |
|
STOQ(j,rib[k]); k++; |
|
} else { |
|
STOQ(j,cib[l]); l++; |
|
} |
|
n0 = mknode(4,mat,rind,cind,rnum); |
|
MKLIST(*rp,n0); |
} |
} |
|
|
int gauss_elim_mod(mat,row,col,md) |
void Pleqm(NODE arg,VECT *rp) |
int **mat; |
|
int row,col,md; |
|
{ |
{ |
int i,j,k,inv,a,n; |
MAT m; |
int *t,*pivot; |
VECT vect; |
|
pointer **mat; |
|
Q *v; |
|
Q q; |
|
int **wmat; |
|
int md,i,j,row,col,t,n,status; |
|
|
n = col - 1; |
asir_assert(ARG0(arg),O_MAT,"leqm"); |
for ( j = 0; j < n; j++ ) { |
asir_assert(ARG1(arg),O_N,"leqm"); |
for ( i = j; i < row && !mat[i][j]; i++ ); |
m = (MAT)ARG0(arg); md = QTOS((Q)ARG1(arg)); |
if ( i == row ) |
row = m->row; col = m->col; mat = m->body; |
return 1; |
wmat = (int **)almat(row,col); |
if ( i != j ) { |
for ( i = 0; i < row; i++ ) |
t = mat[i]; mat[i] = mat[j]; mat[j] = t; |
for ( j = 0; j < col; j++ ) |
} |
if ( q = (Q)mat[i][j] ) { |
pivot = mat[j]; |
t = rem(NM(q),md); |
inv = invm(pivot[j],md); |
if ( SGN(q) < 0 ) |
for ( k = j; k <= n; k++ ) { |
t = (md - t) % md; |
/* pivot[k] = dmar(pivot[k],inv,0,md); */ |
wmat[i][j] = t; |
DMAR(pivot[k],inv,0,md,pivot[k]) |
} else |
} |
wmat[i][j] = 0; |
for ( i = 0; i < row; i++ ) { |
status = gauss_elim_mod(wmat,row,col,md); |
t = mat[i]; |
if ( status < 0 ) |
if ( i != j && (a = t[j]) ) |
*rp = 0; |
for ( k = j, a = md - a; k <= n; k++ ) { |
else if ( status > 0 ) |
unsigned int tk; |
*rp = (VECT)ONE; |
/* t[k] = dmar(pivot[k],a,t[k],md); */ |
else { |
DMAR(pivot[k],a,t[k],md,tk) |
n = col - 1; |
t[k] = tk; |
MKVECT(vect,n); |
} |
for ( i = 0, v = (Q *)vect->body; i < n; i++ ) { |
} |
t = (md-wmat[i][n])%md; STOQ(t,v[i]); |
} |
} |
for ( i = n; i < row && !mat[i][n]; i++ ); |
*rp = vect; |
if ( i == row ) |
} |
return 0; |
|
else |
|
return -1; |
|
} |
} |
|
|
|
int gauss_elim_mod(int **mat,int row,int col,int md) |
|
{ |
|
int i,j,k,inv,a,n; |
|
int *t,*pivot; |
|
|
|
n = col - 1; |
|
for ( j = 0; j < n; j++ ) { |
|
for ( i = j; i < row && !mat[i][j]; i++ ); |
|
if ( i == row ) |
|
return 1; |
|
if ( i != j ) { |
|
t = mat[i]; mat[i] = mat[j]; mat[j] = t; |
|
} |
|
pivot = mat[j]; |
|
inv = invm(pivot[j],md); |
|
for ( k = j; k <= n; k++ ) { |
|
/* pivot[k] = dmar(pivot[k],inv,0,md); */ |
|
DMAR(pivot[k],inv,0,md,pivot[k]) |
|
} |
|
for ( i = 0; i < row; i++ ) { |
|
t = mat[i]; |
|
if ( i != j && (a = t[j]) ) |
|
for ( k = j, a = md - a; k <= n; k++ ) { |
|
unsigned int tk; |
|
/* t[k] = dmar(pivot[k],a,t[k],md); */ |
|
DMAR(pivot[k],a,t[k],md,tk) |
|
t[k] = tk; |
|
} |
|
} |
|
} |
|
for ( i = n; i < row && !mat[i][n]; i++ ); |
|
if ( i == row ) |
|
return 0; |
|
else |
|
return -1; |
|
} |
|
|
struct oEGT eg_mod,eg_elim,eg_elim1,eg_elim2,eg_chrem,eg_gschk,eg_intrat,eg_symb; |
struct oEGT eg_mod,eg_elim,eg_elim1,eg_elim2,eg_chrem,eg_gschk,eg_intrat,eg_symb; |
|
struct oEGT eg_conv; |
|
|
int generic_gauss_elim(mat,nm,dn,rindp,cindp) |
int generic_gauss_elim(MAT mat,MAT *nm,Q *dn,int **rindp,int **cindp) |
MAT mat; |
|
MAT *nm; |
|
Q *dn; |
|
int **rindp,**cindp; |
|
{ |
{ |
int **wmat; |
int **wmat; |
Q **bmat; |
Q **bmat; |
N **tmat; |
N **tmat; |
Q *bmi; |
Q *bmi; |
N *tmi; |
N *tmi; |
Q q; |
Q q; |
int *wmi; |
int *wmi; |
int *colstat,*wcolstat,*rind,*cind; |
int *colstat,*wcolstat,*rind,*cind; |
int row,col,ind,md,i,j,k,l,t,t1,rank,rank0,inv; |
int row,col,ind,md,i,j,k,l,t,t1,rank,rank0,inv; |
N m1,m2,m3,s,u; |
N m1,m2,m3,s,u; |
MAT r,crmat; |
MAT r,crmat; |
struct oEGT tmp0,tmp1; |
struct oEGT tmp0,tmp1; |
struct oEGT eg_mod_split,eg_elim_split,eg_chrem_split; |
struct oEGT eg_mod_split,eg_elim_split,eg_chrem_split; |
struct oEGT eg_intrat_split,eg_gschk_split; |
struct oEGT eg_intrat_split,eg_gschk_split; |
int ret; |
int ret; |
|
|
init_eg(&eg_mod_split); init_eg(&eg_chrem_split); |
init_eg(&eg_mod_split); init_eg(&eg_chrem_split); |
init_eg(&eg_elim_split); init_eg(&eg_intrat_split); |
init_eg(&eg_elim_split); init_eg(&eg_intrat_split); |
init_eg(&eg_gschk_split); |
init_eg(&eg_gschk_split); |
bmat = (Q **)mat->body; |
bmat = (Q **)mat->body; |
row = mat->row; col = mat->col; |
row = mat->row; col = mat->col; |
wmat = (int **)almat(row,col); |
wmat = (int **)almat(row,col); |
colstat = (int *)MALLOC_ATOMIC(col*sizeof(int)); |
colstat = (int *)MALLOC_ATOMIC(col*sizeof(int)); |
wcolstat = (int *)MALLOC_ATOMIC(col*sizeof(int)); |
wcolstat = (int *)MALLOC_ATOMIC(col*sizeof(int)); |
for ( ind = 0; ; ind++ ) { |
for ( ind = 0; ; ind++ ) { |
if ( DP_Print ) { |
if ( DP_Print ) { |
fprintf(asir_out,"."); fflush(asir_out); |
fprintf(asir_out,"."); fflush(asir_out); |
} |
} |
md = get_lprime(ind); |
md = get_lprime(ind); |
get_eg(&tmp0); |
get_eg(&tmp0); |
for ( i = 0; i < row; i++ ) |
for ( i = 0; i < row; i++ ) |
for ( j = 0, bmi = bmat[i], wmi = wmat[i]; j < col; j++ ) |
for ( j = 0, bmi = bmat[i], wmi = wmat[i]; j < col; j++ ) |
if ( q = (Q)bmi[j] ) { |
if ( q = (Q)bmi[j] ) { |
t = rem(NM(q),md); |
t = rem(NM(q),md); |
if ( t && SGN(q) < 0 ) |
if ( t && SGN(q) < 0 ) |
t = (md - t) % md; |
t = (md - t) % md; |
wmi[j] = t; |
wmi[j] = t; |
} else |
} else |
wmi[j] = 0; |
wmi[j] = 0; |
get_eg(&tmp1); |
get_eg(&tmp1); |
add_eg(&eg_mod,&tmp0,&tmp1); |
add_eg(&eg_mod,&tmp0,&tmp1); |
add_eg(&eg_mod_split,&tmp0,&tmp1); |
add_eg(&eg_mod_split,&tmp0,&tmp1); |
get_eg(&tmp0); |
get_eg(&tmp0); |
rank = generic_gauss_elim_mod(wmat,row,col,md,wcolstat); |
rank = generic_gauss_elim_mod(wmat,row,col,md,wcolstat); |
get_eg(&tmp1); |
get_eg(&tmp1); |
add_eg(&eg_elim,&tmp0,&tmp1); |
add_eg(&eg_elim,&tmp0,&tmp1); |
add_eg(&eg_elim_split,&tmp0,&tmp1); |
add_eg(&eg_elim_split,&tmp0,&tmp1); |
if ( !ind ) { |
if ( !ind ) { |
RESET: |
RESET: |
UTON(md,m1); |
UTON(md,m1); |
rank0 = rank; |
rank0 = rank; |
bcopy(wcolstat,colstat,col*sizeof(int)); |
bcopy(wcolstat,colstat,col*sizeof(int)); |
MKMAT(crmat,rank,col-rank); |
MKMAT(crmat,rank,col-rank); |
MKMAT(r,rank,col-rank); *nm = r; |
MKMAT(r,rank,col-rank); *nm = r; |
tmat = (N **)crmat->body; |
tmat = (N **)crmat->body; |
for ( i = 0; i < rank; i++ ) |
for ( i = 0; i < rank; i++ ) |
for ( j = k = 0, tmi = tmat[i], wmi = wmat[i]; j < col; j++ ) |
for ( j = k = 0, tmi = tmat[i], wmi = wmat[i]; j < col; j++ ) |
if ( !colstat[j] ) { |
if ( !colstat[j] ) { |
UTON(wmi[j],tmi[k]); k++; |
UTON(wmi[j],tmi[k]); k++; |
} |
} |
} else { |
} else { |
if ( rank < rank0 ) { |
if ( rank < rank0 ) { |
if ( DP_Print ) { |
if ( DP_Print ) { |
fprintf(asir_out,"lower rank matrix; continuing...\n"); |
fprintf(asir_out,"lower rank matrix; continuing...\n"); |
fflush(asir_out); |
fflush(asir_out); |
} |
} |
continue; |
continue; |
} else if ( rank > rank0 ) { |
} else if ( rank > rank0 ) { |
if ( DP_Print ) { |
if ( DP_Print ) { |
fprintf(asir_out,"higher rank matrix; resetting...\n"); |
fprintf(asir_out,"higher rank matrix; resetting...\n"); |
fflush(asir_out); |
fflush(asir_out); |
} |
} |
goto RESET; |
goto RESET; |
} else { |
} else { |
for ( j = 0; (j<col) && (colstat[j]==wcolstat[j]); j++ ); |
for ( j = 0; (j<col) && (colstat[j]==wcolstat[j]); j++ ); |
if ( j < col ) { |
if ( j < col ) { |
if ( DP_Print ) { |
if ( DP_Print ) { |
fprintf(asir_out,"inconsitent colstat; resetting...\n"); |
fprintf(asir_out,"inconsitent colstat; resetting...\n"); |
fflush(asir_out); |
fflush(asir_out); |
} |
} |
goto RESET; |
goto RESET; |
} |
} |
} |
} |
|
|
get_eg(&tmp0); |
get_eg(&tmp0); |
inv = invm(rem(m1,md),md); |
inv = invm(rem(m1,md),md); |
UTON(md,m2); muln(m1,m2,&m3); |
UTON(md,m2); muln(m1,m2,&m3); |
for ( i = 0; i < rank; i++ ) |
for ( i = 0; i < rank; i++ ) |
for ( j = k = 0, tmi = tmat[i], wmi = wmat[i]; j < col; j++ ) |
for ( j = k = 0, tmi = tmat[i], wmi = wmat[i]; j < col; j++ ) |
if ( !colstat[j] ) { |
if ( !colstat[j] ) { |
if ( tmi[k] ) { |
if ( tmi[k] ) { |
/* f3 = f1+m1*(m1 mod m2)^(-1)*(f2 - f1 mod m2) */ |
/* f3 = f1+m1*(m1 mod m2)^(-1)*(f2 - f1 mod m2) */ |
t = rem(tmi[k],md); |
t = rem(tmi[k],md); |
if ( wmi[j] >= t ) |
if ( wmi[j] >= t ) |
t = wmi[j]-t; |
t = wmi[j]-t; |
else |
else |
t = md-(t-wmi[j]); |
t = md-(t-wmi[j]); |
DMAR(t,inv,0,md,t1) |
DMAR(t,inv,0,md,t1) |
UTON(t1,u); |
UTON(t1,u); |
muln(m1,u,&s); |
muln(m1,u,&s); |
addn(tmi[k],s,&u); tmi[k] = u; |
addn(tmi[k],s,&u); tmi[k] = u; |
} else if ( wmi[j] ) { |
} else if ( wmi[j] ) { |
/* f3 = m1*(m1 mod m2)^(-1)*f2 */ |
/* f3 = m1*(m1 mod m2)^(-1)*f2 */ |
DMAR(wmi[j],inv,0,md,t) |
DMAR(wmi[j],inv,0,md,t) |
UTON(t,u); |
UTON(t,u); |
muln(m1,u,&s); tmi[k] = s; |
muln(m1,u,&s); tmi[k] = s; |
} |
} |
k++; |
k++; |
} |
} |
m1 = m3; |
m1 = m3; |
get_eg(&tmp1); |
get_eg(&tmp1); |
add_eg(&eg_chrem,&tmp0,&tmp1); |
add_eg(&eg_chrem,&tmp0,&tmp1); |
add_eg(&eg_chrem_split,&tmp0,&tmp1); |
add_eg(&eg_chrem_split,&tmp0,&tmp1); |
|
|
get_eg(&tmp0); |
get_eg(&tmp0); |
ret = intmtoratm(crmat,m1,*nm,dn); |
if ( ind % F4_INTRAT_PERIOD ) |
get_eg(&tmp1); |
ret = 0; |
add_eg(&eg_intrat,&tmp0,&tmp1); |
else |
add_eg(&eg_intrat_split,&tmp0,&tmp1); |
ret = intmtoratm(crmat,m1,*nm,dn); |
if ( ret ) { |
get_eg(&tmp1); |
*rindp = rind = (int *)MALLOC_ATOMIC(rank*sizeof(int)); |
add_eg(&eg_intrat,&tmp0,&tmp1); |
*cindp = cind = (int *)MALLOC_ATOMIC((col-rank)*sizeof(int)); |
add_eg(&eg_intrat_split,&tmp0,&tmp1); |
for ( j = k = l = 0; j < col; j++ ) |
if ( ret ) { |
if ( colstat[j] ) |
*rindp = rind = (int *)MALLOC_ATOMIC(rank*sizeof(int)); |
rind[k++] = j; |
*cindp = cind = (int *)MALLOC_ATOMIC((col-rank)*sizeof(int)); |
else |
for ( j = k = l = 0; j < col; j++ ) |
cind[l++] = j; |
if ( colstat[j] ) |
get_eg(&tmp0); |
rind[k++] = j; |
if ( gensolve_check(mat,*nm,*dn,rind,cind) ) { |
else |
get_eg(&tmp1); |
cind[l++] = j; |
add_eg(&eg_gschk,&tmp0,&tmp1); |
get_eg(&tmp0); |
add_eg(&eg_gschk_split,&tmp0,&tmp1); |
if ( gensolve_check(mat,*nm,*dn,rind,cind) ) { |
if ( DP_Print ) { |
get_eg(&tmp1); |
print_eg("Mod",&eg_mod_split); |
add_eg(&eg_gschk,&tmp0,&tmp1); |
print_eg("Elim",&eg_elim_split); |
add_eg(&eg_gschk_split,&tmp0,&tmp1); |
print_eg("ChRem",&eg_chrem_split); |
if ( DP_Print ) { |
print_eg("IntRat",&eg_intrat_split); |
print_eg("Mod",&eg_mod_split); |
print_eg("Check",&eg_gschk_split); |
print_eg("Elim",&eg_elim_split); |
fflush(asir_out); |
print_eg("ChRem",&eg_chrem_split); |
} |
print_eg("IntRat",&eg_intrat_split); |
return rank; |
print_eg("Check",&eg_gschk_split); |
} |
fflush(asir_out); |
} |
} |
} |
return rank; |
} |
} |
|
} |
|
} |
|
} |
} |
} |
|
|
int generic_gauss_elim_hensel(mat,nmmat,dn,rindp,cindp) |
struct oEGT eg_chrem,eg_back,eg_fore; |
MAT mat; |
|
MAT *nmmat; |
void lu_dec_cr(MAT mat,MAT lu,Q *dn,int **perm); |
Q *dn; |
|
int **rindp,**cindp; |
/* XXX broken */ |
|
void lu_dec_cr(MAT mat,MAT lu,Q *dn,int **perm) |
{ |
{ |
MAT bmat,xmat; |
Q **a0,**b; |
Q **a0,**a,**b,**x,**nm; |
Q *aiq; |
Q *ai,*bi,*xi; |
N **a; |
int row,col; |
N *ai; |
int **w; |
Q q,q1,dn2,a1,q0,bik; |
int *wi; |
MAT m; |
int **wc; |
unsigned int md; |
Q mdq,q,s,u; |
int n,ind,i,j,rank,t,inv,t1,ret,min,k; |
N tn; |
int **w; |
int ind,md,i,j,k,l,li,ri,rank; |
int *wi,*rinfo0,*rinfo; |
unsigned int t; |
N m1,m2,m3,u,s; |
int *cinfo,*rinfo; |
|
int *rind,*cind; |
|
int count; |
|
struct oEGT eg_mul,eg_inv,tmp0,tmp1; |
|
|
|
a0 = (Q **)mat->body; |
a0 = (Q **)mat->body; |
row = mat->row; col = mat->col; |
n = mat->row; |
w = (int **)almat(row,col); |
if ( n != mat->col ) |
for ( ind = 0; ; ind++ ) { |
error("lu_dec_cr : non-square matrix"); |
md = get_lprime(ind); |
w = (int **)almat(n,n); |
STOQ(md,mdq); |
MKMAT(m,n,n); |
for ( i = 0; i < row; i++ ) |
a = (N **)m->body; |
for ( j = 0, ai = a0[i], wi = w[i]; j < col; j++ ) |
UTON(1,m1); |
if ( q = (Q)ai[j] ) { |
rinfo0 = 0; |
t = rem(NM(q),md); |
ind = 0; |
if ( t && SGN(q) < 0 ) |
while ( 1 ) { |
t = (md - t) % md; |
md = get_lprime(ind); |
wi[j] = t; |
/* mat mod md */ |
} else |
for ( i = 0; i < n; i++ ) |
wi[j] = 0; |
for ( j = 0, aiq = a0[i], wi = w[i]; j < n; j++ ) |
|
if ( q = aiq[j] ) { |
|
t = rem(NM(q),md); |
|
if ( t && SGN(q) < 0 ) |
|
t = (md - t) % md; |
|
wi[j] = t; |
|
} else |
|
wi[j] = 0; |
|
|
rank = find_lhs_and_lu_mod(w,row,col,md,&rinfo,&cinfo); |
if ( !lu_mod((unsigned int **)w,n,md,&rinfo) ) continue; |
a = (Q **)almat_pointer(rank,rank); /* lhs mat */ |
printf("."); fflush(stdout); |
MKMAT(bmat,rank,col-rank); b = (Q **)bmat->body; /* lhs mat */ |
if ( !rinfo0 ) |
for ( j = li = ri = 0; j < col; j++ ) |
*perm = rinfo0 = rinfo; |
if ( cinfo[j] ) { |
else { |
/* the column is in lhs */ |
for ( i = 0; i < n; i++ ) |
for ( i = 0; i < rank; i++ ) { |
if ( rinfo[i] != rinfo0[i] ) break; |
w[i][li] = w[i][j]; |
if ( i < n ) continue; |
a[i][li] = a0[rinfo[i]][j]; |
} |
} |
if ( UNIN(m1) ) { |
li++; |
for ( i = 0; i < n; i++ ) |
} else { |
for ( j = 0, ai = a[i], wi = w[i]; j < n; j++ ) { |
/* the column is in rhs */ |
UTON(wi[j],u); ai[j] = u; |
for ( i = 0; i < rank; i++ ) |
} |
b[i][ri] = a0[rinfo[i]][j]; |
UTON(md,m1); |
ri++; |
} else { |
} |
inv = invm(rem(m1,md),md); |
|
UTON(md,m2); muln(m1,m2,&m3); |
|
for ( i = 0; i < n; i++ ) |
|
for ( j = 0, ai = a[i], wi = w[i]; j < n; j++ ) |
|
if ( ai[i] ) { |
|
/* f3 = f1+m1*(m1 mod m2)^(-1)*(f2 - f1 mod m2) */ |
|
t = rem(ai[j],md); |
|
if ( wi[j] >= t ) |
|
t = wi[j]-t; |
|
else |
|
t = md-(t-wi[j]); |
|
DMAR(t,inv,0,md,t1) |
|
UTON(t1,u); |
|
muln(m1,u,&s); |
|
addn(ai[j],s,&u); ai[j] = u; |
|
} else if ( wi[j] ) { |
|
/* f3 = m1*(m1 mod m2)^(-1)*f2 */ |
|
DMAR(wi[j],inv,0,md,t) |
|
UTON(t,u); |
|
muln(m1,u,&s); ai[j] = s; |
|
} |
|
m1 = m3; |
|
} |
|
if ( (++ind%8) == 0 ) { |
|
ret = intmtoratm(m,m1,lu,dn); |
|
if ( ret ) { |
|
b = (Q **)lu->body; |
|
mulq(*dn,*dn,&dn2); |
|
for ( i = 0; i < n; i++ ) { |
|
for ( j = 0; j < n; j++ ) { |
|
q = 0; |
|
min = MIN(i,j); |
|
for ( k = 0; k <= min; k++ ) { |
|
bik = k==i ? *dn : b[i][k]; |
|
mulq(bik,b[k][j],&q0); |
|
addq(q,q0,&q1); q = q1; |
|
} |
|
mulq(a0[rinfo0[i]][j],dn2,&q1); |
|
if ( cmpq(q,q1) ) break; |
|
} |
|
if ( j < n ) break; |
|
} |
|
if ( i == n ) |
|
return; |
|
} |
|
} |
|
} |
|
} |
|
|
/* solve Ax+B=0; A: rank x rank, B: rank x ri */ |
void nmat(N **m,int n) |
MKMAT(xmat,rank,ri); x = (Q **)(xmat)->body; |
{ |
MKMAT(*nmmat,rank,ri); nm = (Q **)(*nmmat)->body; |
int i,j; |
/* use the right part of w as work area */ |
|
/* ri = col - rank */ |
|
wc = (int **)almat(rank,ri); |
|
for ( i = 0; i < rank; i++ ) |
|
wc[i] = w[i]+rank; |
|
*rindp = rind = (int *)MALLOC_ATOMIC(rank*sizeof(int)); |
|
*cindp = cind = (int *)MALLOC_ATOMIC((ri)*sizeof(int)); |
|
|
|
init_eg(&eg_mul); init_eg(&eg_inv); |
for ( i = 0; i < n; i++ ) { |
for ( q = ONE, count = 0; ; count++ ) { |
for ( j = 0; j < n; j++ ) { |
fprintf(stderr,"."); |
printn(m[i][j]); printf(" "); |
/* wc = -b mod md */ |
} |
for ( i = 0; i < rank; i++ ) |
printf("\n"); |
for ( j = 0, bi = b[i], wi = wc[i]; j < ri; j++ ) |
} |
if ( u = (Q)bi[j] ) { |
|
t = rem(NM(u),md); |
|
if ( t && SGN(u) > 0 ) |
|
t = (md - t) % md; |
|
wi[j] = t; |
|
} else |
|
wi[j] = 0; |
|
/* wc = A^(-1)wc; wc is normalized */ |
|
get_eg(&tmp0); |
|
solve_by_lu_mod(w,rank,md,wc,ri); |
|
get_eg(&tmp1); |
|
add_eg(&eg_inv,&tmp0,&tmp1); |
|
/* x = x-q*wc */ |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = 0, xi = x[i], wi = wc[i]; j < ri; j++ ) { |
|
STOQ(wi[j],u); mulq(q,u,&s); |
|
subq(xi[j],s,&u); xi[j] = u; |
|
} |
|
get_eg(&tmp0); |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = 0; j < ri; j++ ) { |
|
inner_product_mat_int_mod(a,wc,rank,i,j,&u); |
|
addq(b[i][j],u,&s); |
|
if ( s ) { |
|
t = divin(NM(s),md,&tn); |
|
if ( t ) |
|
error("generic_gauss_elim_hensel:incosistent"); |
|
NTOQ(tn,SGN(s),b[i][j]); |
|
} else |
|
b[i][j] = 0; |
|
} |
|
get_eg(&tmp1); |
|
add_eg(&eg_mul,&tmp0,&tmp1); |
|
/* q = q*md */ |
|
mulq(q,mdq,&u); q = u; |
|
if ( !(count % 2) && intmtoratm_q(xmat,NM(q),*nmmat,dn) ) { |
|
for ( j = k = l = 0; j < col; j++ ) |
|
if ( cinfo[j] ) |
|
rind[k++] = j; |
|
else |
|
cind[l++] = j; |
|
if ( gensolve_check(mat,*nmmat,*dn,rind,cind) ) { |
|
fprintf(stderr,"\n"); |
|
print_eg("INV",&eg_inv); |
|
print_eg("MUL",&eg_mul); |
|
fflush(asir_out); |
|
return rank; |
|
} |
|
} |
|
} |
|
} |
|
} |
} |
|
|
|
int generic_gauss_elim_hensel(MAT mat,MAT *nmmat,Q *dn,int **rindp,int **cindp) |
|
{ |
|
MAT bmat,xmat; |
|
Q **a0,**a,**b,**x,**nm; |
|
Q *ai,*bi,*xi; |
|
int row,col; |
|
int **w; |
|
int *wi; |
|
int **wc; |
|
Q mdq,q,s,u; |
|
N tn; |
|
int ind,md,i,j,k,l,li,ri,rank; |
|
unsigned int t; |
|
int *cinfo,*rinfo; |
|
int *rind,*cind; |
|
int count; |
|
int ret; |
|
struct oEGT eg_mul,eg_inv,eg_intrat,eg_check,tmp0,tmp1; |
|
int period; |
|
int *wx,*ptr; |
|
int wxsize,nsize; |
|
N wn; |
|
Q wq; |
|
|
|
a0 = (Q **)mat->body; |
|
row = mat->row; col = mat->col; |
|
w = (int **)almat(row,col); |
|
for ( ind = 0; ; ind++ ) { |
|
md = get_lprime(ind); |
|
STOQ(md,mdq); |
|
for ( i = 0; i < row; i++ ) |
|
for ( j = 0, ai = a0[i], wi = w[i]; j < col; j++ ) |
|
if ( q = (Q)ai[j] ) { |
|
t = rem(NM(q),md); |
|
if ( t && SGN(q) < 0 ) |
|
t = (md - t) % md; |
|
wi[j] = t; |
|
} else |
|
wi[j] = 0; |
|
|
|
if ( DP_Print > 3 ) { |
|
fprintf(asir_out,"LU decomposition.."); fflush(asir_out); |
|
} |
|
rank = find_lhs_and_lu_mod((unsigned int **)w,row,col,md,&rinfo,&cinfo); |
|
if ( DP_Print > 3 ) { |
|
fprintf(asir_out,"done.\n"); fflush(asir_out); |
|
} |
|
a = (Q **)almat_pointer(rank,rank); /* lhs mat */ |
|
MKMAT(bmat,rank,col-rank); b = (Q **)bmat->body; /* lhs mat */ |
|
for ( j = li = ri = 0; j < col; j++ ) |
|
if ( cinfo[j] ) { |
|
/* the column is in lhs */ |
|
for ( i = 0; i < rank; i++ ) { |
|
w[i][li] = w[i][j]; |
|
a[i][li] = a0[rinfo[i]][j]; |
|
} |
|
li++; |
|
} else { |
|
/* the column is in rhs */ |
|
for ( i = 0; i < rank; i++ ) |
|
b[i][ri] = a0[rinfo[i]][j]; |
|
ri++; |
|
} |
|
|
|
/* solve Ax+B=0; A: rank x rank, B: rank x ri */ |
|
MKMAT(xmat,rank,ri); x = (Q **)(xmat)->body; |
|
MKMAT(*nmmat,rank,ri); nm = (Q **)(*nmmat)->body; |
|
/* use the right part of w as work area */ |
|
/* ri = col - rank */ |
|
wc = (int **)almat(rank,ri); |
|
for ( i = 0; i < rank; i++ ) |
|
wc[i] = w[i]+rank; |
|
*rindp = rind = (int *)MALLOC_ATOMIC(rank*sizeof(int)); |
|
*cindp = cind = (int *)MALLOC_ATOMIC((ri)*sizeof(int)); |
|
|
|
init_eg(&eg_mul); init_eg(&eg_inv); |
|
init_eg(&eg_check); init_eg(&eg_intrat); |
|
period = F4_INTRAT_PERIOD; |
|
nsize = period; |
|
wxsize = rank*ri*nsize; |
|
wx = (int *)MALLOC_ATOMIC(wxsize*sizeof(int)); |
|
for ( i = 0; i < wxsize; i++ ) wx[i] = 0; |
|
for ( q = ONE, count = 0; ; ) { |
|
if ( DP_Print > 3 ) |
|
fprintf(stderr,"o"); |
|
/* wc = -b mod md */ |
|
get_eg(&tmp0); |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = 0, bi = b[i], wi = wc[i]; j < ri; j++ ) |
|
if ( u = (Q)bi[j] ) { |
|
t = rem(NM(u),md); |
|
if ( t && SGN(u) > 0 ) |
|
t = (md - t) % md; |
|
wi[j] = t; |
|
} else |
|
wi[j] = 0; |
|
/* wc = A^(-1)wc; wc is not normalized */ |
|
solve_by_lu_mod(w,rank,md,wc,ri,0); |
|
/* wx += q*wc */ |
|
ptr = wx; |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = 0, wi = wc[i]; j < ri; j++ ) { |
|
if ( wi[j] ) |
|
muln_1(BD(NM(q)),PL(NM(q)),wi[j],ptr); |
|
ptr += nsize; |
|
} |
|
count++; |
|
get_eg(&tmp1); |
|
add_eg(&eg_inv,&tmp0,&tmp1); |
|
get_eg(&tmp0); |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = 0; j < ri; j++ ) { |
|
inner_product_mat_int_mod(a,wc,rank,i,j,&u); |
|
addq(b[i][j],u,&s); |
|
if ( s ) { |
|
t = divin(NM(s),md,&tn); |
|
if ( t ) |
|
error("generic_gauss_elim_hensel:incosistent"); |
|
NTOQ(tn,SGN(s),b[i][j]); |
|
} else |
|
b[i][j] = 0; |
|
} |
|
get_eg(&tmp1); |
|
add_eg(&eg_mul,&tmp0,&tmp1); |
|
/* q = q*md */ |
|
mulq(q,mdq,&u); q = u; |
|
if ( count == period ) { |
|
get_eg(&tmp0); |
|
ptr = wx; |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = 0, xi = x[i]; j < ri; |
|
j++, ptr += nsize ) { |
|
for ( k = nsize-1; k >= 0 && !ptr[k]; k-- ); |
|
if ( k >= 0 ) { |
|
wn = NALLOC(k+1); |
|
PL(wn) = k+1; |
|
for ( l = 0; l <= k; l++ ) BD(wn)[l] = (unsigned int)ptr[l]; |
|
NTOQ(wn,1,wq); |
|
subq(xi[j],wq,&u); xi[j] = u; |
|
} |
|
} |
|
ret = intmtoratm_q(xmat,NM(q),*nmmat,dn); |
|
get_eg(&tmp1); add_eg(&eg_intrat,&tmp0,&tmp1); |
|
if ( ret ) { |
|
rind = (int *)MALLOC_ATOMIC(rank*sizeof(int)); |
|
cind = (int *)MALLOC_ATOMIC((col-rank)*sizeof(int)); |
|
for ( j = k = l = 0; j < col; j++ ) |
|
if ( cinfo[j] ) |
|
rind[k++] = j; |
|
else |
|
cind[l++] = j; |
|
get_eg(&tmp0); |
|
ret = gensolve_check(mat,*nmmat,*dn,rind,cind); |
|
get_eg(&tmp1); add_eg(&eg_check,&tmp0,&tmp1); |
|
if ( ret ) { |
|
if ( DP_Print > 3 ) { |
|
fprintf(stderr,"\n"); |
|
print_eg("INV",&eg_inv); |
|
print_eg("MUL",&eg_mul); |
|
print_eg("INTRAT",&eg_intrat); |
|
print_eg("CHECK",&eg_check); |
|
fflush(asir_out); |
|
} |
|
*rindp = rind; |
|
*cindp = cind; |
|
for ( j = k = 0; j < col; j++ ) |
|
if ( !cinfo[j] ) |
|
cind[k++] = j; |
|
return rank; |
|
} |
|
} else { |
|
period = period*3/2; |
|
count = 0; |
|
nsize += period; |
|
wxsize += rank*ri*nsize; |
|
wx = (int *)REALLOC(wx,wxsize*sizeof(int)); |
|
for ( i = 0; i < wxsize; i++ ) wx[i] = 0; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
int generic_gauss_elim_hensel_dalg(MAT mat,DP *mb,MAT *nmmat,Q *dn,int **rindp,int **cindp) |
|
{ |
|
MAT bmat,xmat; |
|
Q **a0,**a,**b,**x,**nm; |
|
Q *ai,*bi,*xi; |
|
int row,col; |
|
int **w; |
|
int *wi; |
|
int **wc; |
|
Q mdq,q,s,u; |
|
N tn; |
|
int ind,md,i,j,k,l,li,ri,rank; |
|
unsigned int t; |
|
int *cinfo,*rinfo; |
|
int *rind,*cind; |
|
int count; |
|
int ret; |
|
struct oEGT eg_mul,eg_inv,eg_intrat,eg_check,tmp0,tmp1; |
|
int period; |
|
int *wx,*ptr; |
|
int wxsize,nsize; |
|
N wn; |
|
Q wq; |
|
NumberField nf; |
|
DP m; |
|
int col1; |
|
|
|
a0 = (Q **)mat->body; |
|
row = mat->row; col = mat->col; |
|
w = (int **)almat(row,col); |
|
for ( ind = 0; ; ind++ ) { |
|
md = get_lprime(ind); |
|
STOQ(md,mdq); |
|
for ( i = 0; i < row; i++ ) |
|
for ( j = 0, ai = a0[i], wi = w[i]; j < col; j++ ) |
|
if ( q = (Q)ai[j] ) { |
|
t = rem(NM(q),md); |
|
if ( t && SGN(q) < 0 ) |
|
t = (md - t) % md; |
|
wi[j] = t; |
|
} else |
|
wi[j] = 0; |
|
|
|
if ( DP_Print ) { |
|
fprintf(asir_out,"LU decomposition.."); fflush(asir_out); |
|
} |
|
rank = find_lhs_and_lu_mod((unsigned int **)w,row,col,md,&rinfo,&cinfo); |
|
printf("\n"); |
|
for ( i = 0; i < row; i++ ) { |
|
for ( j = 0; j < col; j++ ) |
|
printf("%d ",w[i][j]); |
|
printf("\n"); |
|
} |
|
if ( DP_Print ) { |
|
fprintf(asir_out,"done.\n"); fflush(asir_out); |
|
} |
|
for ( i = 0; i < col-1; i++ ) { |
|
if ( !cinfo[i] ) { |
|
m = mb[i]; |
|
for ( j = i+1; j < col-1; j++ ) |
|
if ( dp_redble(mb[j],m) ) |
|
cinfo[j] = -1; |
|
} |
|
} |
|
a = (Q **)almat_pointer(rank,rank); /* lhs mat */ |
|
MKMAT(bmat,rank,col-rank); b = (Q **)bmat->body; /* lhs mat */ |
|
for ( j = li = ri = 0; j < col; j++ ) |
|
if ( cinfo[j] > 0 ) { |
|
/* the column is in lhs */ |
|
for ( i = 0; i < rank; i++ ) { |
|
w[i][li] = w[i][j]; |
|
a[i][li] = a0[rinfo[i]][j]; |
|
} |
|
li++; |
|
} else if ( !cinfo[j] ) { |
|
/* the column is in rhs */ |
|
for ( i = 0; i < rank; i++ ) |
|
b[i][ri] = a0[rinfo[i]][j]; |
|
ri++; |
|
} |
|
|
|
/* solve Ax+B=0; A: rank x rank, B: rank x ri */ |
|
MKMAT(xmat,rank,ri); x = (Q **)(xmat)->body; |
|
MKMAT(*nmmat,rank,ri); nm = (Q **)(*nmmat)->body; |
|
/* use the right part of w as work area */ |
|
wc = (int **)almat(rank,ri); |
|
for ( i = 0; i < rank; i++ ) |
|
wc[i] = w[i]+rank; |
|
*rindp = rind = (int *)MALLOC_ATOMIC(rank*sizeof(int)); |
|
*cindp = cind = (int *)MALLOC_ATOMIC((col-rank)*sizeof(int)); |
|
init_eg(&eg_mul); init_eg(&eg_inv); |
|
init_eg(&eg_check); init_eg(&eg_intrat); |
|
period = F4_INTRAT_PERIOD; |
|
nsize = period; |
|
wxsize = rank*ri*nsize; |
|
wx = (int *)MALLOC_ATOMIC(wxsize*sizeof(int)); |
|
for ( i = 0; i < wxsize; i++ ) wx[i] = 0; |
|
for ( q = ONE, count = 0; ; ) { |
|
if ( DP_Print ) |
|
fprintf(stderr,"o"); |
|
/* wc = -b mod md */ |
|
get_eg(&tmp0); |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = 0, bi = b[i], wi = wc[i]; j < ri; j++ ) |
|
if ( u = (Q)bi[j] ) { |
|
t = rem(NM(u),md); |
|
if ( t && SGN(u) > 0 ) |
|
t = (md - t) % md; |
|
wi[j] = t; |
|
} else |
|
wi[j] = 0; |
|
/* wc = A^(-1)wc; wc is not normalized */ |
|
solve_by_lu_mod(w,rank,md,wc,ri,0); |
|
/* wx += q*wc */ |
|
ptr = wx; |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = 0, wi = wc[i]; j < ri; j++ ) { |
|
if ( wi[j] ) |
|
muln_1(BD(NM(q)),PL(NM(q)),wi[j],ptr); |
|
ptr += nsize; |
|
} |
|
count++; |
|
get_eg(&tmp1); |
|
add_eg(&eg_inv,&tmp0,&tmp1); |
|
get_eg(&tmp0); |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = 0; j < ri; j++ ) { |
|
inner_product_mat_int_mod(a,wc,rank,i,j,&u); |
|
addq(b[i][j],u,&s); |
|
if ( s ) { |
|
t = divin(NM(s),md,&tn); |
|
if ( t ) |
|
error("generic_gauss_elim_hensel:incosistent"); |
|
NTOQ(tn,SGN(s),b[i][j]); |
|
} else |
|
b[i][j] = 0; |
|
} |
|
printf("\n"); |
|
for ( i = 0; i < rank; i++ ) { |
|
for ( j = 0; j < ri; j++ ) { |
|
printexpr(CO,b[i][j]); printf(" "); |
|
} |
|
printf("\n"); |
|
} |
|
get_eg(&tmp1); |
|
add_eg(&eg_mul,&tmp0,&tmp1); |
|
/* q = q*md */ |
|
mulq(q,mdq,&u); q = u; |
|
if ( count == period ) { |
|
get_eg(&tmp0); |
|
ptr = wx; |
|
for ( i = 0; i < rank; i++ ) |
|
for ( j = 0, xi = x[i]; j < ri; |
|
j++, ptr += nsize ) { |
|
for ( k = nsize-1; k >= 0 && !ptr[k]; k-- ); |
|
if ( k >= 0 ) { |
|
wn = NALLOC(k+1); |
|
PL(wn) = k+1; |
|
for ( l = 0; l <= k; l++ ) BD(wn)[l] = (unsigned int)ptr[l]; |
|
NTOQ(wn,1,wq); |
|
subq(xi[j],wq,&u); xi[j] = u; |
|
} |
|
} |
|
ret = intmtoratm_q(xmat,NM(q),*nmmat,dn); |
|
get_eg(&tmp1); add_eg(&eg_intrat,&tmp0,&tmp1); |
|
if ( ret ) { |
|
for ( j = k = l = 0; j < col; j++ ) |
|
if ( cinfo[j] > 0 ) |
|
rind[k++] = j; |
|
else if ( !cinfo[j] ) |
|
cind[l++] = j; |
|
get_eg(&tmp0); |
|
ret = gensolve_check(mat,*nmmat,*dn,rind,cind); |
|
get_eg(&tmp1); add_eg(&eg_check,&tmp0,&tmp1); |
|
if ( ret ) { |
|
if ( DP_Print > 3 ) { |
|
fprintf(stderr,"\n"); |
|
print_eg("INV",&eg_inv); |
|
print_eg("MUL",&eg_mul); |
|
print_eg("INTRAT",&eg_intrat); |
|
print_eg("CHECK",&eg_check); |
|
fflush(asir_out); |
|
} |
|
return rank; |
|
} else |
|
goto reset; |
|
} else { |
|
reset: |
|
period = period*3/2; |
|
count = 0; |
|
nsize += period; |
|
wxsize += rank*ri*nsize; |
|
wx = (int *)REALLOC(wx,wxsize*sizeof(int)); |
|
for ( i = 0; i < wxsize; i++ ) wx[i] = 0; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
int f4_nocheck; |
int f4_nocheck; |
|
|
int gensolve_check(mat,nm,dn,rind,cind) |
int gensolve_check(MAT mat,MAT nm,Q dn,int *rind,int *cind) |
MAT mat,nm; |
|
Q dn; |
|
int *rind,*cind; |
|
{ |
{ |
int row,col,rank,clen,i,j,k,l; |
int row,col,rank,clen,i,j,k,l; |
Q s,t,u; |
Q s,t; |
Q *w; |
Q *w; |
Q *mati,*nmk; |
Q *mati,*nmk; |
|
|
if ( f4_nocheck ) |
if ( f4_nocheck ) |
return 1; |
return 1; |
row = mat->row; col = mat->col; |
row = mat->row; col = mat->col; |
rank = nm->row; clen = nm->col; |
rank = nm->row; clen = nm->col; |
w = (Q *)MALLOC(clen*sizeof(Q)); |
w = (Q *)MALLOC(clen*sizeof(Q)); |
for ( i = 0; i < row; i++ ) { |
for ( i = 0; i < row; i++ ) { |
mati = (Q *)mat->body[i]; |
mati = (Q *)mat->body[i]; |
#if 1 |
#if 1 |
bzero(w,clen*sizeof(Q)); |
bzero(w,clen*sizeof(Q)); |
for ( k = 0; k < rank; k++ ) |
for ( k = 0; k < rank; k++ ) |
for ( l = 0, nmk = (Q *)nm->body[k]; l < clen; l++ ) { |
for ( l = 0, nmk = (Q *)nm->body[k]; l < clen; l++ ) { |
mulq(mati[rind[k]],nmk[l],&t); |
mulq(mati[rind[k]],nmk[l],&t); |
addq(w[l],t,&s); w[l] = s; |
addq(w[l],t,&s); w[l] = s; |
} |
} |
for ( j = 0; j < clen; j++ ) { |
for ( j = 0; j < clen; j++ ) { |
mulq(dn,mati[cind[j]],&t); |
mulq(dn,mati[cind[j]],&t); |
if ( cmpq(w[j],t) ) |
if ( cmpq(w[j],t) ) |
break; |
break; |
} |
} |
#else |
#else |
for ( j = 0; j < clen; j++ ) { |
for ( j = 0; j < clen; j++ ) { |
for ( k = 0, s = 0; k < rank; k++ ) { |
for ( k = 0, s = 0; k < rank; k++ ) { |
mulq(mati[rind[k]],nm->body[k][j],&t); |
mulq(mati[rind[k]],nm->body[k][j],&t); |
addq(s,t,&u); s = u; |
addq(s,t,&u); s = u; |
} |
} |
mulq(dn,mati[cind[j]],&t); |
mulq(dn,mati[cind[j]],&t); |
if ( cmpq(s,t) ) |
if ( cmpq(s,t) ) |
break; |
break; |
} |
} |
#endif |
#endif |
if ( j != clen ) |
if ( j != clen ) |
break; |
break; |
} |
} |
if ( i != row ) |
if ( i != row ) |
return 0; |
return 0; |
else |
else |
return 1; |
return 1; |
} |
} |
|
|
/* assuming 0 < c < m */ |
/* assuming 0 < c < m */ |
|
|
int inttorat(c,m,b,sgnp,nmp,dnp) |
int inttorat(N c,N m,N b,int *sgnp,N *nmp,N *dnp) |
N c,m,b; |
|
int *sgnp; |
|
N *nmp,*dnp; |
|
{ |
{ |
Q qq,t,u1,v1,r1,nm; |
Q qq,t,u1,v1,r1; |
N q,r,u2,v2,r2; |
N q,u2,v2,r2; |
|
|
u1 = 0; v1 = ONE; u2 = m; v2 = c; |
u1 = 0; v1 = ONE; u2 = m; v2 = c; |
while ( cmpn(v2,b) >= 0 ) { |
while ( cmpn(v2,b) >= 0 ) { |
divn(u2,v2,&q,&r2); u2 = v2; v2 = r2; |
divn(u2,v2,&q,&r2); u2 = v2; v2 = r2; |
NTOQ(q,1,qq); mulq(qq,v1,&t); subq(u1,t,&r1); u1 = v1; v1 = r1; |
NTOQ(q,1,qq); mulq(qq,v1,&t); subq(u1,t,&r1); u1 = v1; v1 = r1; |
} |
} |
if ( cmpn(NM(v1),b) >= 0 ) |
if ( cmpn(NM(v1),b) >= 0 ) |
return 0; |
return 0; |
else { |
else { |
*nmp = v2; |
*nmp = v2; |
*dnp = NM(v1); |
*dnp = NM(v1); |
*sgnp = SGN(v1); |
*sgnp = SGN(v1); |
return 1; |
return 1; |
} |
} |
} |
} |
|
|
/* mat->body = N ** */ |
/* mat->body = N ** */ |
|
|
int intmtoratm(mat,md,nm,dn) |
int intmtoratm(MAT mat,N md,MAT nm,Q *dn) |
MAT mat; |
|
N md; |
|
MAT nm; |
|
Q *dn; |
|
{ |
{ |
N t,s,b; |
N t,s,b; |
Q bound,dn0,dn1,nm1,q,tq; |
Q dn0,dn1,nm1,q; |
int i,j,k,l,row,col; |
int i,j,k,l,row,col; |
Q **rmat; |
Q **rmat; |
N **tmat; |
N **tmat; |
N *tmi; |
N *tmi; |
Q *nmk; |
Q *nmk; |
N u,unm,udn; |
N u,unm,udn; |
int sgn,ret; |
int sgn,ret; |
|
|
if ( UNIN(md) ) |
if ( UNIN(md) ) |
return 0; |
return 0; |
row = mat->row; col = mat->col; |
row = mat->row; col = mat->col; |
bshiftn(md,1,&t); |
bshiftn(md,1,&t); |
isqrt(t,&s); |
isqrt(t,&s); |
bshiftn(s,64,&b); |
bshiftn(s,64,&b); |
if ( !b ) |
if ( !b ) |
b = ONEN; |
b = ONEN; |
dn0 = ONE; |
dn0 = ONE; |
tmat = (N **)mat->body; |
tmat = (N **)mat->body; |
rmat = (Q **)nm->body; |
rmat = (Q **)nm->body; |
for ( i = 0; i < row; i++ ) |
for ( i = 0; i < row; i++ ) |
for ( j = 0, tmi = tmat[i]; j < col; j++ ) |
for ( j = 0, tmi = tmat[i]; j < col; j++ ) |
if ( tmi[j] ) { |
if ( tmi[j] ) { |
muln(tmi[j],NM(dn0),&s); |
muln(tmi[j],NM(dn0),&s); |
remn(s,md,&u); |
remn(s,md,&u); |
ret = inttorat(u,md,b,&sgn,&unm,&udn); |
ret = inttorat(u,md,b,&sgn,&unm,&udn); |
if ( !ret ) |
if ( !ret ) |
return 0; |
return 0; |
else { |
else { |
NTOQ(unm,sgn,nm1); |
NTOQ(unm,sgn,nm1); |
NTOQ(udn,1,dn1); |
NTOQ(udn,1,dn1); |
if ( !UNIQ(dn1) ) { |
if ( !UNIQ(dn1) ) { |
for ( k = 0; k < i; k++ ) |
for ( k = 0; k < i; k++ ) |
for ( l = 0, nmk = rmat[k]; l < col; l++ ) { |
for ( l = 0, nmk = rmat[k]; l < col; l++ ) { |
mulq(nmk[l],dn1,&q); nmk[l] = q; |
mulq(nmk[l],dn1,&q); nmk[l] = q; |
} |
} |
for ( l = 0, nmk = rmat[i]; l < j; l++ ) { |
for ( l = 0, nmk = rmat[i]; l < j; l++ ) { |
mulq(nmk[l],dn1,&q); nmk[l] = q; |
mulq(nmk[l],dn1,&q); nmk[l] = q; |
} |
} |
} |
} |
rmat[i][j] = nm1; |
rmat[i][j] = nm1; |
mulq(dn0,dn1,&q); dn0 = q; |
mulq(dn0,dn1,&q); dn0 = q; |
} |
} |
} |
} |
*dn = dn0; |
*dn = dn0; |
return 1; |
return 1; |
} |
} |
|
|
/* mat->body = Q ** */ |
/* mat->body = Q ** */ |
|
|
int intmtoratm_q(mat,md,nm,dn) |
int intmtoratm_q(MAT mat,N md,MAT nm,Q *dn) |
MAT mat; |
|
N md; |
|
MAT nm; |
|
Q *dn; |
|
{ |
{ |
N t,s,b; |
N t,s,b; |
Q bound,dn0,dn1,nm1,q,tq; |
Q dn0,dn1,nm1,q; |
int i,j,k,l,row,col; |
int i,j,k,l,row,col; |
Q **rmat; |
Q **rmat; |
Q **tmat; |
Q **tmat; |
Q *tmi; |
Q *tmi; |
Q *nmk; |
Q *nmk; |
N u,unm,udn; |
N u,unm,udn; |
int sgn,ret; |
int sgn,ret; |
|
|
if ( UNIN(md) ) |
if ( UNIN(md) ) |
return 0; |
return 0; |
row = mat->row; col = mat->col; |
row = mat->row; col = mat->col; |
bshiftn(md,1,&t); |
bshiftn(md,1,&t); |
isqrt(t,&s); |
isqrt(t,&s); |
bshiftn(s,64,&b); |
bshiftn(s,64,&b); |
if ( !b ) |
if ( !b ) |
b = ONEN; |
b = ONEN; |
dn0 = ONE; |
dn0 = ONE; |
tmat = (Q **)mat->body; |
tmat = (Q **)mat->body; |
rmat = (Q **)nm->body; |
rmat = (Q **)nm->body; |
for ( i = 0; i < row; i++ ) |
for ( i = 0; i < row; i++ ) |
for ( j = 0, tmi = tmat[i]; j < col; j++ ) |
for ( j = 0, tmi = tmat[i]; j < col; j++ ) |
if ( tmi[j] ) { |
if ( tmi[j] ) { |
muln(NM(tmi[j]),NM(dn0),&s); |
muln(NM(tmi[j]),NM(dn0),&s); |
remn(s,md,&u); |
remn(s,md,&u); |
ret = inttorat(u,md,b,&sgn,&unm,&udn); |
ret = inttorat(u,md,b,&sgn,&unm,&udn); |
if ( !ret ) |
if ( !ret ) |
return 0; |
return 0; |
else { |
else { |
if ( SGN(tmi[j])<0 ) |
if ( SGN(tmi[j])<0 ) |
sgn = -sgn; |
sgn = -sgn; |
NTOQ(unm,sgn,nm1); |
NTOQ(unm,sgn,nm1); |
NTOQ(udn,1,dn1); |
NTOQ(udn,1,dn1); |
if ( !UNIQ(dn1) ) { |
if ( !UNIQ(dn1) ) { |
for ( k = 0; k < i; k++ ) |
for ( k = 0; k < i; k++ ) |
for ( l = 0, nmk = rmat[k]; l < col; l++ ) { |
for ( l = 0, nmk = rmat[k]; l < col; l++ ) { |
mulq(nmk[l],dn1,&q); nmk[l] = q; |
mulq(nmk[l],dn1,&q); nmk[l] = q; |
} |
} |
for ( l = 0, nmk = rmat[i]; l < j; l++ ) { |
for ( l = 0, nmk = rmat[i]; l < j; l++ ) { |
mulq(nmk[l],dn1,&q); nmk[l] = q; |
mulq(nmk[l],dn1,&q); nmk[l] = q; |
} |
} |
} |
} |
rmat[i][j] = nm1; |
rmat[i][j] = nm1; |
mulq(dn0,dn1,&q); dn0 = q; |
mulq(dn0,dn1,&q); dn0 = q; |
} |
} |
} |
} |
*dn = dn0; |
*dn = dn0; |
return 1; |
return 1; |
} |
} |
|
|
#define ONE_STEP1 if ( zzz = *s ) { DMAR(zzz,hc,*tj,md,*tj) } tj++; s++; |
#define ONE_STEP1 if ( zzz = *s ) { DMAR(zzz,hc,*tj,md,*tj) } tj++; s++; |
|
|
void reduce_reducers_mod(mat,row,col,md) |
void reduce_reducers_mod(int **mat,int row,int col,int md) |
int **mat; |
|
int row,col; |
|
int md; |
|
{ |
{ |
int i,j,k,l,hc,zzz; |
int i,j,k,l,hc,zzz; |
int *t,*s,*tj,*ind; |
int *t,*s,*tj,*ind; |
|
|
/* reduce the reducers */ |
/* reduce the reducers */ |
ind = (int *)ALLOCA(row*sizeof(int)); |
ind = (int *)ALLOCA(row*sizeof(int)); |
for ( i = 0; i < row; i++ ) { |
for ( i = 0; i < row; i++ ) { |
t = mat[i]; |
t = mat[i]; |
for ( j = 0; j < col && !t[j]; j++ ); |
for ( j = 0; j < col && !t[j]; j++ ); |
/* register the position of the head term */ |
/* register the position of the head term */ |
ind[i] = j; |
ind[i] = j; |
for ( l = i-1; l >= 0; l-- ) { |
for ( l = i-1; l >= 0; l-- ) { |
/* reduce mat[i] by mat[l] */ |
/* reduce mat[i] by mat[l] */ |
if ( hc = t[ind[l]] ) { |
if ( hc = t[ind[l]] ) { |
/* mat[i] = mat[i]-hc*mat[l] */ |
/* mat[i] = mat[i]-hc*mat[l] */ |
j = ind[l]; |
j = ind[l]; |
s = mat[l]+j; |
s = mat[l]+j; |
tj = t+j; |
tj = t+j; |
hc = md-hc; |
hc = md-hc; |
k = col-j; |
k = col-j; |
for ( ; k >= 64; k -= 64 ) { |
for ( ; k >= 64; k -= 64 ) { |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
ONE_STEP1 ONE_STEP1 ONE_STEP1 ONE_STEP1 |
} |
} |
for ( ; k >= 0; k-- ) { |
for ( ; k > 0; k-- ) { |
if ( zzz = *s ) { DMAR(zzz,hc,*tj,md,*tj) } tj++; s++; |
if ( zzz = *s ) { DMAR(zzz,hc,*tj,md,*tj) } tj++; s++; |
} |
} |
} |
} |
} |
} |
} |
} |
} |
} |
|
|
/* |
/* |
mat[i] : reducers (i=0,...,nred-1) |
mat[i] : reducers (i=0,...,nred-1) |
spolys (i=nred,...,row-1) |
spolys (i=nred,...,row-1) |
mat[0] < mat[1] < ... < mat[nred-1] w.r.t the term order |
mat[0] < mat[1] < ... < mat[nred-1] w.r.t the term order |
1. reduce the reducers |
1. reduce the reducers |
2. reduce spolys by the reduced reducers |
2. reduce spolys by the reduced reducers |
*/ |
*/ |
|
|
void pre_reduce_mod(mat,row,col,nred,md) |
void pre_reduce_mod(int **mat,int row,int col,int nred,int md) |
int **mat; |
|
int row,col,nred; |
|
int md; |
|
{ |
{ |
int i,j,k,l,hc,inv; |
int i,j,k,l,hc,inv; |
int *t,*s,*tk,*ind; |
int *t,*s,*tk,*ind; |
|
|
#if 1 |
#if 1 |
/* reduce the reducers */ |
/* reduce the reducers */ |
ind = (int *)ALLOCA(row*sizeof(int)); |
ind = (int *)ALLOCA(row*sizeof(int)); |
for ( i = 0; i < nred; i++ ) { |
for ( i = 0; i < nred; i++ ) { |
/* make mat[i] monic and mat[i] by mat[0],...,mat[i-1] */ |
/* make mat[i] monic and mat[i] by mat[0],...,mat[i-1] */ |
t = mat[i]; |
t = mat[i]; |
for ( j = 0; j < col && !t[j]; j++ ); |
for ( j = 0; j < col && !t[j]; j++ ); |
/* register the position of the head term */ |
/* register the position of the head term */ |
ind[i] = j; |
ind[i] = j; |
inv = invm(t[j],md); |
inv = invm(t[j],md); |
for ( k = j; k < col; k++ ) |
for ( k = j; k < col; k++ ) |
if ( t[k] ) |
if ( t[k] ) |
DMAR(t[k],inv,0,md,t[k]) |
DMAR(t[k],inv,0,md,t[k]) |
for ( l = i-1; l >= 0; l-- ) { |
for ( l = i-1; l >= 0; l-- ) { |
/* reduce mat[i] by mat[l] */ |
/* reduce mat[i] by mat[l] */ |
if ( hc = t[ind[l]] ) { |
if ( hc = t[ind[l]] ) { |
/* mat[i] = mat[i]-hc*mat[l] */ |
/* mat[i] = mat[i]-hc*mat[l] */ |
for ( k = ind[l], hc = md-hc, s = mat[l]+k, tk = t+k; |
for ( k = ind[l], hc = md-hc, s = mat[l]+k, tk = t+k; |
k < col; k++, tk++, s++ ) |
k < col; k++, tk++, s++ ) |
if ( *s ) |
if ( *s ) |
DMAR(*s,hc,*tk,md,*tk) |
DMAR(*s,hc,*tk,md,*tk) |
} |
} |
} |
} |
} |
} |
/* reduce the spolys */ |
/* reduce the spolys */ |
for ( i = nred; i < row; i++ ) { |
for ( i = nred; i < row; i++ ) { |
t = mat[i]; |
t = mat[i]; |
for ( l = nred-1; l >= 0; l-- ) { |
for ( l = nred-1; l >= 0; l-- ) { |
/* reduce mat[i] by mat[l] */ |
/* reduce mat[i] by mat[l] */ |
if ( hc = t[ind[l]] ) { |
if ( hc = t[ind[l]] ) { |
/* mat[i] = mat[i]-hc*mat[l] */ |
/* mat[i] = mat[i]-hc*mat[l] */ |
for ( k = ind[l], hc = md-hc, s = mat[l]+k, tk = t+k; |
for ( k = ind[l], hc = md-hc, s = mat[l]+k, tk = t+k; |
k < col; k++, tk++, s++ ) |
k < col; k++, tk++, s++ ) |
if ( *s ) |
if ( *s ) |
DMAR(*s,hc,*tk,md,*tk) |
DMAR(*s,hc,*tk,md,*tk) |
} |
} |
} |
} |
} |
} |
#endif |
#endif |
} |
} |
/* |
/* |
mat[i] : reducers (i=0,...,nred-1) |
mat[i] : reducers (i=0,...,nred-1) |
mat[0] < mat[1] < ... < mat[nred-1] w.r.t the term order |
mat[0] < mat[1] < ... < mat[nred-1] w.r.t the term order |
*/ |
*/ |
|
|
void reduce_sp_by_red_mod(sp,redmat,ind,nred,col,md) |
void reduce_sp_by_red_mod(int *sp,int **redmat,int *ind,int nred,int col,int md) |
int *sp,**redmat; |
|
int *ind; |
|
int nred,col; |
|
int md; |
|
{ |
{ |
int i,j,k,hc,zzz; |
int i,j,k,hc,zzz; |
int *t,*s,*tj; |
int *s,*tj; |
|
|
/* reduce the spolys by redmat */ |
/* reduce the spolys by redmat */ |
for ( i = nred-1; i >= 0; i-- ) { |
for ( i = nred-1; i >= 0; i-- ) { |
/* reduce sp by redmat[i] */ |
/* reduce sp by redmat[i] */ |
if ( hc = sp[ind[i]] ) { |
if ( hc = sp[ind[i]] ) { |
/* sp = sp-hc*redmat[i] */ |
/* sp = sp-hc*redmat[i] */ |
j = ind[i]; |
j = ind[i]; |
hc = md-hc; |
hc = md-hc; |
s = redmat[i]+j; |
s = redmat[i]+j; |
tj = sp+j; |
tj = sp+j; |
for ( k = col-j; k >= 0; k-- ) { |
for ( k = col-j; k > 0; k-- ) { |
if ( zzz = *s ) { DMAR(zzz,hc,*tj,md,*tj) } tj++; s++; |
if ( zzz = *s ) { DMAR(zzz,hc,*tj,md,*tj) } tj++; s++; |
} |
} |
} |
} |
} |
} |
} |
} |
|
|
|
/* |
|
mat[i] : compressed reducers (i=0,...,nred-1) |
|
mat[0] < mat[1] < ... < mat[nred-1] w.r.t the term order |
|
*/ |
|
|
|
void red_by_compress(int m,unsigned int *p,unsigned int *r, |
|
unsigned int *ri,unsigned int hc,int len) |
|
{ |
|
unsigned int up,lo; |
|
unsigned int dmy; |
|
unsigned int *pj; |
|
|
|
p[*ri] = 0; r++; ri++; |
|
for ( len--; len; len--, r++, ri++ ) { |
|
pj = p+ *ri; |
|
DMA(*r,hc,*pj,up,lo); |
|
if ( up ) { |
|
DSAB(m,up,lo,dmy,*pj); |
|
} else |
|
*pj = lo; |
|
} |
|
} |
|
|
|
/* p -= hc*r */ |
|
|
|
void red_by_vect(int m,unsigned int *p,unsigned int *r,unsigned int hc,int len) |
|
{ |
|
unsigned int up,lo,dmy; |
|
|
|
*p++ = 0; r++; len--; |
|
for ( ; len; len--, r++, p++ ) |
|
if ( *r ) { |
|
DMA(*r,hc,*p,up,lo); |
|
if ( up ) { |
|
DSAB(m,up,lo,dmy,*p); |
|
} else |
|
*p = lo; |
|
} |
|
} |
|
|
|
#if defined(__GNUC__) && SIZEOF_LONG==8 |
|
/* 64bit vector += UNIT vector(normalized) */ |
|
|
|
void red_by_vect64(int m, U64 *p,unsigned int *c,U64 *r,unsigned int hc,int len) |
|
{ |
|
U64 t; |
|
|
|
/* (p[0],c[0]) is normalized */ |
|
*p++ = 0; *c++ = 0; r++; len--; |
|
for ( ; len; len--, r++, p++, c++ ) |
|
if ( *r ) { |
|
t = (*p)+(*r)*hc; |
|
if ( t < *p ) (*c)++; |
|
*p = t; |
|
} |
|
} |
|
#endif |
|
|
|
void red_by_vect_sf(int m,unsigned int *p,unsigned int *r,unsigned int hc,int len) |
|
{ |
|
*p++ = 0; r++; len--; |
|
for ( ; len; len--, r++, p++ ) |
|
if ( *r ) |
|
*p = _addsf(_mulsf(*r,hc),*p); |
|
} |
|
|
|
extern GZ current_mod_lf; |
|
extern int current_mod_lf_size; |
|
|
|
void red_by_vect_lf(mpz_t *p,mpz_t *r,mpz_t hc,int len) |
|
{ |
|
mpz_set_ui(*p++,0); r++; len--; |
|
for ( ; len; len--, r++, p++ ) { |
|
mpz_addmul(*p,*r,hc); |
|
#if 0 |
|
if ( mpz_size(*p) > current_mod_lf_size ) |
|
mpz_mod(*p,*p,BDY(current_mod_lf)); |
|
#endif |
|
} |
|
} |
|
|
|
|
|
extern unsigned int **psca; |
|
|
|
void reduce_sp_by_red_mod_compress (int *sp,CDP *redmat,int *ind, |
|
int nred,int col,int md) |
|
{ |
|
int i,len; |
|
CDP ri; |
|
unsigned int hc; |
|
unsigned int *usp; |
|
|
|
usp = (unsigned int *)sp; |
|
/* reduce the spolys by redmat */ |
|
for ( i = nred-1; i >= 0; i-- ) { |
|
/* reduce sp by redmat[i] */ |
|
usp[ind[i]] %= md; |
|
if ( hc = usp[ind[i]] ) { |
|
/* sp = sp-hc*redmat[i] */ |
|
hc = md-hc; |
|
ri = redmat[i]; |
|
len = ri->len; |
|
red_by_compress(md,usp,psca[ri->psindex],ri->body,hc,len); |
|
} |
|
} |
|
for ( i = 0; i < col; i++ ) |
|
if ( usp[i] >= (unsigned int)md ) |
|
usp[i] %= md; |
|
} |
|
|
#define ONE_STEP2 if ( zzz = *pk ) { DMAR(zzz,a,*tk,md,*tk) } pk++; tk++; |
#define ONE_STEP2 if ( zzz = *pk ) { DMAR(zzz,a,*tk,md,*tk) } pk++; tk++; |
|
|
int generic_gauss_elim_mod(mat,row,col,md,colstat) |
int generic_gauss_elim_mod(int **mat0,int row,int col,int md,int *colstat) |
int **mat; |
|
int row,col,md; |
|
int *colstat; |
|
{ |
{ |
int i,j,k,l,inv,a,rank,zzz; |
int i,j,k,l,inv,a,rank; |
int *t,*pivot,*pk,*tk; |
unsigned int *t,*pivot,*pk; |
|
unsigned int **mat; |
|
|
for ( rank = 0, j = 0; j < col; j++ ) { |
mat = (unsigned int **)mat0; |
for ( i = rank; i < row && !mat[i][j]; i++ ); |
for ( rank = 0, j = 0; j < col; j++ ) { |
if ( i == row ) { |
for ( i = rank; i < row; i++ ) |
colstat[j] = 0; |
mat[i][j] %= md; |
continue; |
for ( i = rank; i < row; i++ ) |
} else |
if ( mat[i][j] ) |
colstat[j] = 1; |
break; |
if ( i != rank ) { |
if ( i == row ) { |
t = mat[i]; mat[i] = mat[rank]; mat[rank] = t; |
colstat[j] = 0; |
} |
continue; |
pivot = mat[rank]; |
} else |
inv = invm(pivot[j],md); |
colstat[j] = 1; |
for ( k = j, pk = pivot+k; k < col; k++, pk++ ) |
if ( i != rank ) { |
if ( *pk ) { |
t = mat[i]; mat[i] = mat[rank]; mat[rank] = t; |
DMAR(*pk,inv,0,md,*pk) |
} |
} |
pivot = mat[rank]; |
for ( i = rank+1; i < row; i++ ) { |
inv = invm(pivot[j],md); |
t = mat[i]; |
for ( k = j, pk = pivot+k; k < col; k++, pk++ ) |
if ( a = t[j] ) { |
if ( *pk ) { |
a = md - a; pk = pivot+j; tk = t+j; |
if ( *pk >= (unsigned int)md ) |
k = col-j; |
*pk %= md; |
for ( ; k >= 64; k -= 64 ) { |
DMAR(*pk,inv,0,md,*pk) |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
} |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
for ( i = rank+1; i < row; i++ ) { |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
t = mat[i]; |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
if ( a = t[j] ) |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
red_by_vect(md,t+j,pivot+j,md-a,col-j); |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
} |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
rank++; |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
} |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
for ( j = col-1, l = rank-1; j >= 0; j-- ) |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
if ( colstat[j] ) { |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
pivot = mat[l]; |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
for ( i = 0; i < l; i++ ) { |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
t = mat[i]; |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
t[j] %= md; |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
if ( a = t[j] ) |
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
red_by_vect(md,t+j,pivot+j,md-a,col-j); |
} |
} |
for ( ; k >= 0; k -- ) { |
l--; |
if ( zzz = *pk ) { DMAR(zzz,a,*tk,md,*tk) } pk++; tk++; |
} |
} |
for ( j = 0, l = 0; l < rank; j++ ) |
} |
if ( colstat[j] ) { |
} |
t = mat[l]; |
rank++; |
for ( k = j; k < col; k++ ) |
} |
if ( t[k] >= (unsigned int)md ) |
for ( j = col-1, l = rank-1; j >= 0; j-- ) |
t[k] %= md; |
if ( colstat[j] ) { |
l++; |
pivot = mat[l]; |
} |
for ( i = 0; i < l; i++ ) { |
return rank; |
t = mat[i]; |
|
if ( a = t[j] ) { |
|
a = md-a; pk = pivot+j; tk = t+j; |
|
k = col-j; |
|
for ( ; k >= 64; k -= 64 ) { |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
ONE_STEP2 ONE_STEP2 ONE_STEP2 ONE_STEP2 |
|
} |
|
for ( ; k >= 0; k -- ) { |
|
if ( zzz = *pk ) { DMAR(zzz,a,*tk,md,*tk) } pk++; tk++; |
|
} |
|
} |
|
} |
|
l--; |
|
} |
|
return rank; |
|
} |
} |
|
|
|
int generic_gauss_elim_mod2(int **mat0,int row,int col,int md,int *colstat,int *rowstat) |
|
{ |
|
int i,j,k,l,inv,a,rank; |
|
unsigned int *t,*pivot,*pk; |
|
unsigned int **mat; |
|
|
|
for ( i = 0; i < row; i++ ) rowstat[i] = i; |
|
mat = (unsigned int **)mat0; |
|
for ( rank = 0, j = 0; j < col; j++ ) { |
|
for ( i = rank; i < row; i++ ) |
|
mat[i][j] %= md; |
|
for ( i = rank; i < row; i++ ) |
|
if ( mat[i][j] ) |
|
break; |
|
if ( i == row ) { |
|
colstat[j] = 0; |
|
continue; |
|
} else |
|
colstat[j] = 1; |
|
if ( i != rank ) { |
|
t = mat[i]; mat[i] = mat[rank]; mat[rank] = t; |
|
k = rowstat[i]; rowstat[i] = rowstat[rank]; rowstat[rank] = k; |
|
} |
|
pivot = mat[rank]; |
|
inv = invm(pivot[j],md); |
|
for ( k = j, pk = pivot+k; k < col; k++, pk++ ) |
|
if ( *pk ) { |
|
if ( *pk >= (unsigned int)md ) |
|
*pk %= md; |
|
DMAR(*pk,inv,0,md,*pk) |
|
} |
|
for ( i = rank+1; i < row; i++ ) { |
|
t = mat[i]; |
|
if ( a = t[j] ) |
|
red_by_vect(md,t+j,pivot+j,md-a,col-j); |
|
} |
|
rank++; |
|
} |
|
for ( j = col-1, l = rank-1; j >= 0; j-- ) |
|
if ( colstat[j] ) { |
|
pivot = mat[l]; |
|
for ( i = 0; i < l; i++ ) { |
|
t = mat[i]; |
|
t[j] %= md; |
|
if ( a = t[j] ) |
|
red_by_vect(md,t+j,pivot+j,md-a,col-j); |
|
} |
|
l--; |
|
} |
|
for ( j = 0, l = 0; l < rank; j++ ) |
|
if ( colstat[j] ) { |
|
t = mat[l]; |
|
for ( k = j; k < col; k++ ) |
|
if ( t[k] >= (unsigned int)md ) |
|
t[k] %= md; |
|
l++; |
|
} |
|
return rank; |
|
} |
|
|
|
int indep_rows_mod(int **mat0,int row,int col,int md,int *rowstat) |
|
{ |
|
int i,j,k,l,inv,a,rank; |
|
unsigned int *t,*pivot,*pk; |
|
unsigned int **mat; |
|
|
|
for ( i = 0; i < row; i++ ) rowstat[i] = i; |
|
mat = (unsigned int **)mat0; |
|
for ( rank = 0, j = 0; j < col; j++ ) { |
|
for ( i = rank; i < row; i++ ) |
|
mat[i][j] %= md; |
|
for ( i = rank; i < row; i++ ) |
|
if ( mat[i][j] ) |
|
break; |
|
if ( i == row ) continue; |
|
if ( i != rank ) { |
|
t = mat[i]; mat[i] = mat[rank]; mat[rank] = t; |
|
k = rowstat[i]; rowstat[i] = rowstat[rank]; rowstat[rank] = k; |
|
} |
|
pivot = mat[rank]; |
|
inv = invm(pivot[j],md); |
|
for ( k = j, pk = pivot+k; k < col; k++, pk++ ) |
|
if ( *pk ) { |
|
if ( *pk >= (unsigned int)md ) |
|
*pk %= md; |
|
DMAR(*pk,inv,0,md,*pk) |
|
} |
|
for ( i = rank+1; i < row; i++ ) { |
|
t = mat[i]; |
|
if ( a = t[j] ) |
|
red_by_vect(md,t+j,pivot+j,md-a,col-j); |
|
} |
|
rank++; |
|
} |
|
return rank; |
|
} |
|
|
|
int generic_gauss_elim_sf(int **mat0,int row,int col,int md,int *colstat) |
|
{ |
|
int i,j,k,l,inv,a,rank; |
|
unsigned int *t,*pivot,*pk; |
|
unsigned int **mat; |
|
|
|
mat = (unsigned int **)mat0; |
|
for ( rank = 0, j = 0; j < col; j++ ) { |
|
for ( i = rank; i < row; i++ ) |
|
if ( mat[i][j] ) |
|
break; |
|
if ( i == row ) { |
|
colstat[j] = 0; |
|
continue; |
|
} else |
|
colstat[j] = 1; |
|
if ( i != rank ) { |
|
t = mat[i]; mat[i] = mat[rank]; mat[rank] = t; |
|
} |
|
pivot = mat[rank]; |
|
inv = _invsf(pivot[j]); |
|
for ( k = j, pk = pivot+k; k < col; k++, pk++ ) |
|
if ( *pk ) |
|
*pk = _mulsf(*pk,inv); |
|
for ( i = rank+1; i < row; i++ ) { |
|
t = mat[i]; |
|
if ( a = t[j] ) |
|
red_by_vect_sf(md,t+j,pivot+j,_chsgnsf(a),col-j); |
|
} |
|
rank++; |
|
} |
|
for ( j = col-1, l = rank-1; j >= 0; j-- ) |
|
if ( colstat[j] ) { |
|
pivot = mat[l]; |
|
for ( i = 0; i < l; i++ ) { |
|
t = mat[i]; |
|
if ( a = t[j] ) |
|
red_by_vect_sf(md,t+j,pivot+j,_chsgnsf(a),col-j); |
|
} |
|
l--; |
|
} |
|
return rank; |
|
} |
|
|
/* LU decomposition; a[i][i] = 1/U[i][i] */ |
/* LU decomposition; a[i][i] = 1/U[i][i] */ |
|
|
int lu_gfmmat(mat,md,perm) |
int lu_gfmmat(GFMMAT mat,unsigned int md,int *perm) |
GFMMAT mat; |
|
unsigned int md; |
|
int *perm; |
|
{ |
{ |
int row,col; |
int row,col; |
int i,j,k,l; |
int i,j,k; |
unsigned int *t,*pivot; |
unsigned int *t,*pivot; |
unsigned int **a; |
unsigned int **a; |
unsigned int inv,m; |
unsigned int inv,m; |
|
|
row = mat->row; col = mat->col; |
row = mat->row; col = mat->col; |
a = mat->body; |
a = mat->body; |
bzero(perm,row*sizeof(int)); |
bzero(perm,row*sizeof(int)); |
|
|
for ( i = 0; i < row; i++ ) |
for ( i = 0; i < row; i++ ) |
perm[i] = i; |
perm[i] = i; |
for ( k = 0; k < col; k++ ) { |
for ( k = 0; k < col; k++ ) { |
for ( i = k; i < row && !a[i][k]; i++ ); |
for ( i = k; i < row && !a[i][k]; i++ ); |
if ( i == row ) |
if ( i == row ) |
return 0; |
return 0; |
if ( i != k ) { |
if ( i != k ) { |
j = perm[i]; perm[i] = perm[k]; perm[k] = j; |
j = perm[i]; perm[i] = perm[k]; perm[k] = j; |
t = a[i]; a[i] = a[k]; a[k] = t; |
t = a[i]; a[i] = a[k]; a[k] = t; |
} |
} |
pivot = a[k]; |
pivot = a[k]; |
pivot[k] = inv = invm(pivot[k],md); |
pivot[k] = inv = invm(pivot[k],md); |
for ( i = k+1; i < row; i++ ) { |
for ( i = k+1; i < row; i++ ) { |
t = a[i]; |
t = a[i]; |
if ( m = t[k] ) { |
if ( m = t[k] ) { |
DMAR(inv,m,0,md,t[k]) |
DMAR(inv,m,0,md,t[k]) |
for ( j = k+1, m = md - t[k]; j < col; j++ ) |
for ( j = k+1, m = md - t[k]; j < col; j++ ) |
if ( pivot[j] ) { |
if ( pivot[j] ) { |
unsigned int tj; |
unsigned int tj; |
|
|
DMAR(m,pivot[j],t[j],md,tj) |
DMAR(m,pivot[j],t[j],md,tj) |
t[j] = tj; |
t[j] = tj; |
} |
} |
} |
} |
} |
} |
} |
} |
return 1; |
return 1; |
} |
} |
|
|
/* |
/* |
Input |
Input |
a: a row x col matrix |
a: a row x col matrix |
md : a modulus |
md : a modulus |
|
|
Output: |
Output: |
return : d = the rank of mat |
return : d = the rank of mat |
a[0..(d-1)][0..(d-1)] : LU decomposition (a[i][i] = 1/U[i][i]) |
a[0..(d-1)][0..(d-1)] : LU decomposition (a[i][i] = 1/U[i][i]) |
rinfo: array of length row |
rinfo: array of length row |
cinfo: array of length col |
cinfo: array of length col |
i-th row in new a <-> rinfo[i]-th row in old a |
i-th row in new a <-> rinfo[i]-th row in old a |
cinfo[j]=1 <=> j-th column is contained in the LU decomp. |
cinfo[j]=1 <=> j-th column is contained in the LU decomp. |
*/ |
*/ |
|
|
int find_lhs_and_lu_mod(a,row,col,md,rinfo,cinfo) |
int find_lhs_and_lu_mod(unsigned int **a,int row,int col, |
unsigned int **a; |
unsigned int md,int **rinfo,int **cinfo) |
unsigned int md; |
|
int **rinfo,**cinfo; |
|
{ |
{ |
int i,j,k,l,d; |
int i,j,k,d; |
int *rp,*cp; |
int *rp,*cp; |
unsigned int *t,*pivot; |
unsigned int *t,*pivot; |
unsigned int inv,m; |
unsigned int inv,m; |
|
|
*rinfo = rp = (int *)MALLOC_ATOMIC(row*sizeof(int)); |
*rinfo = rp = (int *)MALLOC_ATOMIC(row*sizeof(int)); |
*cinfo = cp = (int *)MALLOC_ATOMIC(col*sizeof(int)); |
*cinfo = cp = (int *)MALLOC_ATOMIC(col*sizeof(int)); |
for ( i = 0; i < row; i++ ) |
for ( i = 0; i < row; i++ ) |
rp[i] = i; |
rp[i] = i; |
for ( k = 0, d = 0; k < col; k++ ) { |
for ( k = 0, d = 0; k < col; k++ ) { |
for ( i = d; i < row && !a[i][k]; i++ ); |
for ( i = d; i < row && !a[i][k]; i++ ); |
if ( i == row ) { |
if ( i == row ) { |
cp[k] = 0; |
cp[k] = 0; |
continue; |
continue; |
} else |
} else |
cp[k] = 1; |
cp[k] = 1; |
if ( i != d ) { |
if ( i != d ) { |
j = rp[i]; rp[i] = rp[d]; rp[d] = j; |
j = rp[i]; rp[i] = rp[d]; rp[d] = j; |
t = a[i]; a[i] = a[d]; a[d] = t; |
t = a[i]; a[i] = a[d]; a[d] = t; |
} |
} |
pivot = a[d]; |
pivot = a[d]; |
pivot[k] = inv = invm(pivot[k],md); |
pivot[k] = inv = invm(pivot[k],md); |
for ( i = d+1; i < row; i++ ) { |
for ( i = d+1; i < row; i++ ) { |
t = a[i]; |
t = a[i]; |
if ( m = t[k] ) { |
if ( m = t[k] ) { |
DMAR(inv,m,0,md,t[k]) |
DMAR(inv,m,0,md,t[k]) |
for ( j = k+1, m = md - t[k]; j < col; j++ ) |
for ( j = k+1, m = md - t[k]; j < col; j++ ) |
if ( pivot[j] ) { |
if ( pivot[j] ) { |
unsigned int tj; |
unsigned int tj; |
DMAR(m,pivot[j],t[j],md,tj) |
DMAR(m,pivot[j],t[j],md,tj) |
t[j] = tj; |
t[j] = tj; |
} |
} |
} |
} |
} |
} |
d++; |
d++; |
} |
} |
return d; |
return d; |
} |
} |
|
|
|
int lu_mod(unsigned int **a,int n,unsigned int md,int **rinfo) |
|
{ |
|
int i,j,k; |
|
int *rp; |
|
unsigned int *t,*pivot; |
|
unsigned int inv,m; |
|
|
|
*rinfo = rp = (int *)MALLOC_ATOMIC(n*sizeof(int)); |
|
for ( i = 0; i < n; i++ ) rp[i] = i; |
|
for ( k = 0; k < n; k++ ) { |
|
for ( i = k; i < n && !a[i][k]; i++ ); |
|
if ( i == n ) return 0; |
|
if ( i != k ) { |
|
j = rp[i]; rp[i] = rp[k]; rp[k] = j; |
|
t = a[i]; a[i] = a[k]; a[k] = t; |
|
} |
|
pivot = a[k]; |
|
inv = invm(pivot[k],md); |
|
for ( i = k+1; i < n; i++ ) { |
|
t = a[i]; |
|
if ( m = t[k] ) { |
|
DMAR(inv,m,0,md,t[k]) |
|
for ( j = k+1, m = md - t[k]; j < n; j++ ) |
|
if ( pivot[j] ) { |
|
unsigned int tj; |
|
DMAR(m,pivot[j],t[j],md,tj) |
|
t[j] = tj; |
|
} |
|
} |
|
} |
|
} |
|
return 1; |
|
} |
|
|
/* |
/* |
Input |
Input |
a : n x n matrix; a result of LU-decomposition |
a : n x n matrix; a result of LU-decomposition |
md : modulus |
md : modulus |
b : n x l matrix |
b : n x l matrix |
Output |
Output |
b = a^(-1)b |
b = a^(-1)b |
*/ |
*/ |
|
|
void solve_by_lu_mod(a,n,md,b,l) |
void solve_by_lu_mod(int **a,int n,int md,int **b,int l,int normalize) |
int **a; |
|
int n; |
|
int md; |
|
int **b; |
|
int l; |
|
{ |
{ |
unsigned int *y,*c; |
unsigned int *y,*c; |
int i,j,k; |
int i,j,k; |
unsigned int t,m,m2; |
unsigned int t,m,m2; |
|
|
y = (int *)MALLOC_ATOMIC(n*sizeof(int)); |
y = (int *)MALLOC_ATOMIC(n*sizeof(int)); |
c = (int *)MALLOC_ATOMIC(n*sizeof(int)); |
c = (int *)MALLOC_ATOMIC(n*sizeof(int)); |
m2 = md>>1; |
m2 = md>>1; |
for ( k = 0; k < l; k++ ) { |
for ( k = 0; k < l; k++ ) { |
/* copy b[.][k] to c */ |
/* copy b[.][k] to c */ |
for ( i = 0; i < n; i++ ) |
for ( i = 0; i < n; i++ ) |
c[i] = (unsigned int)b[i][k]; |
c[i] = (unsigned int)b[i][k]; |
/* solve Ly=c */ |
/* solve Ly=c */ |
for ( i = 0; i < n; i++ ) { |
for ( i = 0; i < n; i++ ) { |
for ( t = c[i], j = 0; j < i; j++ ) |
for ( t = c[i], j = 0; j < i; j++ ) |
if ( a[i][j] ) { |
if ( a[i][j] ) { |
m = md - a[i][j]; |
m = md - a[i][j]; |
DMAR(m,y[j],t,md,t) |
DMAR(m,y[j],t,md,t) |
} |
} |
y[i] = t; |
y[i] = t; |
} |
} |
/* solve Uc=y */ |
/* solve Uc=y */ |
for ( i = n-1; i >= 0; i-- ) { |
for ( i = n-1; i >= 0; i-- ) { |
for ( t = y[i], j =i+1; j < n; j++ ) |
for ( t = y[i], j =i+1; j < n; j++ ) |
if ( a[i][j] ) { |
if ( a[i][j] ) { |
m = md - a[i][j]; |
m = md - a[i][j]; |
DMAR(m,c[j],t,md,t) |
DMAR(m,c[j],t,md,t) |
} |
} |
/* a[i][i] = 1/U[i][i] */ |
/* a[i][i] = 1/U[i][i] */ |
DMAR(t,a[i][i],0,md,c[i]) |
DMAR(t,a[i][i],0,md,c[i]) |
} |
} |
/* copy c to b[.][k] with normalization */ |
/* copy c to b[.][k] with normalization */ |
for ( i = 0; i < n; i++ ) |
if ( normalize ) |
b[i][k] = (int)(c[i]>m2 ? c[i]-md : c[i]); |
for ( i = 0; i < n; i++ ) |
} |
b[i][k] = (int)(c[i]>m2 ? c[i]-md : c[i]); |
|
else |
|
for ( i = 0; i < n; i++ ) |
|
b[i][k] = c[i]; |
|
} |
} |
} |
|
|
void Pleqm1(arg,rp) |
void Pleqm1(NODE arg,VECT *rp) |
NODE arg; |
|
VECT *rp; |
|
{ |
{ |
MAT m; |
MAT m; |
VECT vect; |
VECT vect; |
pointer **mat; |
pointer **mat; |
Q *v; |
Q *v; |
Q q; |
Q q; |
int **wmat; |
int **wmat; |
int md,i,j,row,col,t,n,status; |
int md,i,j,row,col,t,n,status; |
|
|
asir_assert(ARG0(arg),O_MAT,"leqm1"); |
asir_assert(ARG0(arg),O_MAT,"leqm1"); |
asir_assert(ARG1(arg),O_N,"leqm1"); |
asir_assert(ARG1(arg),O_N,"leqm1"); |
m = (MAT)ARG0(arg); md = QTOS((Q)ARG1(arg)); |
m = (MAT)ARG0(arg); md = QTOS((Q)ARG1(arg)); |
row = m->row; col = m->col; mat = m->body; |
row = m->row; col = m->col; mat = m->body; |
wmat = (int **)almat(row,col); |
wmat = (int **)almat(row,col); |
for ( i = 0; i < row; i++ ) |
for ( i = 0; i < row; i++ ) |
for ( j = 0; j < col; j++ ) |
for ( j = 0; j < col; j++ ) |
if ( q = (Q)mat[i][j] ) { |
if ( q = (Q)mat[i][j] ) { |
t = rem(NM(q),md); |
t = rem(NM(q),md); |
if ( SGN(q) < 0 ) |
if ( SGN(q) < 0 ) |
t = (md - t) % md; |
t = (md - t) % md; |
wmat[i][j] = t; |
wmat[i][j] = t; |
} else |
} else |
wmat[i][j] = 0; |
wmat[i][j] = 0; |
status = gauss_elim_mod1(wmat,row,col,md); |
status = gauss_elim_mod1(wmat,row,col,md); |
if ( status < 0 ) |
if ( status < 0 ) |
*rp = 0; |
*rp = 0; |
else if ( status > 0 ) |
else if ( status > 0 ) |
*rp = (VECT)ONE; |
*rp = (VECT)ONE; |
else { |
else { |
n = col - 1; |
n = col - 1; |
MKVECT(vect,n); |
MKVECT(vect,n); |
for ( i = 0, v = (Q *)vect->body; i < n; i++ ) { |
for ( i = 0, v = (Q *)vect->body; i < n; i++ ) { |
t = (md-wmat[i][n])%md; STOQ(t,v[i]); |
t = (md-wmat[i][n])%md; STOQ(t,v[i]); |
} |
} |
*rp = vect; |
*rp = vect; |
} |
} |
} |
} |
|
|
gauss_elim_mod1(mat,row,col,md) |
int gauss_elim_mod1(int **mat,int row,int col,int md) |
int **mat; |
|
int row,col,md; |
|
{ |
{ |
int i,j,k,inv,a,n; |
int i,j,k,inv,a,n; |
int *t,*pivot; |
int *t,*pivot; |
|
|
n = col - 1; |
n = col - 1; |
for ( j = 0; j < n; j++ ) { |
for ( j = 0; j < n; j++ ) { |
for ( i = j; i < row && !mat[i][j]; i++ ); |
for ( i = j; i < row && !mat[i][j]; i++ ); |
if ( i == row ) |
if ( i == row ) |
return 1; |
return 1; |
if ( i != j ) { |
if ( i != j ) { |
t = mat[i]; mat[i] = mat[j]; mat[j] = t; |
t = mat[i]; mat[i] = mat[j]; mat[j] = t; |
} |
} |
pivot = mat[j]; |
pivot = mat[j]; |
inv = invm(pivot[j],md); |
inv = invm(pivot[j],md); |
for ( k = j; k <= n; k++ ) |
for ( k = j; k <= n; k++ ) |
pivot[k] = dmar(pivot[k],inv,0,md); |
pivot[k] = dmar(pivot[k],inv,0,md); |
for ( i = j+1; i < row; i++ ) { |
for ( i = j+1; i < row; i++ ) { |
t = mat[i]; |
t = mat[i]; |
if ( i != j && (a = t[j]) ) |
if ( i != j && (a = t[j]) ) |
for ( k = j, a = md - a; k <= n; k++ ) |
for ( k = j, a = md - a; k <= n; k++ ) |
t[k] = dmar(pivot[k],a,t[k],md); |
t[k] = dmar(pivot[k],a,t[k],md); |
} |
} |
} |
} |
for ( i = n; i < row && !mat[i][n]; i++ ); |
for ( i = n; i < row && !mat[i][n]; i++ ); |
if ( i == row ) { |
if ( i == row ) { |
for ( j = n-1; j >= 0; j-- ) { |
for ( j = n-1; j >= 0; j-- ) { |
for ( i = j-1, a = (md-mat[j][n])%md; i >= 0; i-- ) { |
for ( i = j-1, a = (md-mat[j][n])%md; i >= 0; i-- ) { |
mat[i][n] = dmar(mat[i][j],a,mat[i][n],md); |
mat[i][n] = dmar(mat[i][j],a,mat[i][n],md); |
mat[i][j] = 0; |
mat[i][j] = 0; |
} |
} |
} |
} |
return 0; |
return 0; |
} else |
} else |
return -1; |
return -1; |
} |
} |
|
|
void Pgeninvm(arg,rp) |
void Pgeninvm(NODE arg,LIST *rp) |
NODE arg; |
|
LIST *rp; |
|
{ |
{ |
MAT m; |
MAT m; |
pointer **mat; |
pointer **mat; |
Q **tmat; |
Q **tmat; |
Q q; |
Q q; |
unsigned int **wmat; |
unsigned int **wmat; |
int md,i,j,row,col,t,status; |
int md,i,j,row,col,t,status; |
MAT mat1,mat2; |
MAT mat1,mat2; |
NODE node1,node2; |
NODE node1,node2; |
|
|
asir_assert(ARG0(arg),O_MAT,"leqm1"); |
asir_assert(ARG0(arg),O_MAT,"leqm1"); |
asir_assert(ARG1(arg),O_N,"leqm1"); |
asir_assert(ARG1(arg),O_N,"leqm1"); |
m = (MAT)ARG0(arg); md = QTOS((Q)ARG1(arg)); |
m = (MAT)ARG0(arg); md = QTOS((Q)ARG1(arg)); |
row = m->row; col = m->col; mat = m->body; |
row = m->row; col = m->col; mat = m->body; |
wmat = (unsigned int **)almat(row,col+row); |
wmat = (unsigned int **)almat(row,col+row); |
for ( i = 0; i < row; i++ ) { |
for ( i = 0; i < row; i++ ) { |
bzero((char *)wmat[i],(col+row)*sizeof(int)); |
bzero((char *)wmat[i],(col+row)*sizeof(int)); |
for ( j = 0; j < col; j++ ) |
for ( j = 0; j < col; j++ ) |
if ( q = (Q)mat[i][j] ) { |
if ( q = (Q)mat[i][j] ) { |
t = rem(NM(q),md); |
t = rem(NM(q),md); |
if ( SGN(q) < 0 ) |
if ( SGN(q) < 0 ) |
t = (md - t) % md; |
t = (md - t) % md; |
wmat[i][j] = t; |
wmat[i][j] = t; |
} |
} |
wmat[i][col+i] = 1; |
wmat[i][col+i] = 1; |
} |
} |
status = gauss_elim_geninv_mod(wmat,row,col,md); |
status = gauss_elim_geninv_mod(wmat,row,col,md); |
if ( status > 0 ) |
if ( status > 0 ) |
*rp = 0; |
*rp = 0; |
else { |
else { |
MKMAT(mat1,col,row); MKMAT(mat2,row-col,row); |
MKMAT(mat1,col,row); MKMAT(mat2,row-col,row); |
for ( i = 0, tmat = (Q **)mat1->body; i < col; i++ ) |
for ( i = 0, tmat = (Q **)mat1->body; i < col; i++ ) |
for ( j = 0; j < row; j++ ) |
for ( j = 0; j < row; j++ ) |
STOQ(wmat[i][j+col],tmat[i][j]); |
UTOQ(wmat[i][j+col],tmat[i][j]); |
for ( tmat = (Q **)mat2->body; i < row; i++ ) |
for ( tmat = (Q **)mat2->body; i < row; i++ ) |
for ( j = 0; j < row; j++ ) |
for ( j = 0; j < row; j++ ) |
STOQ(wmat[i][j+col],tmat[i-col][j]); |
UTOQ(wmat[i][j+col],tmat[i-col][j]); |
MKNODE(node2,mat2,0); MKNODE(node1,mat1,node2); MKLIST(*rp,node1); |
MKNODE(node2,mat2,0); MKNODE(node1,mat1,node2); MKLIST(*rp,node1); |
} |
} |
} |
} |
|
|
int gauss_elim_geninv_mod(mat,row,col,md) |
int gauss_elim_geninv_mod(unsigned int **mat,int row,int col,int md) |
unsigned int **mat; |
|
int row,col,md; |
|
{ |
{ |
int i,j,k,inv,a,n,m; |
int i,j,k,inv,a,n,m; |
unsigned int *t,*pivot; |
unsigned int *t,*pivot; |
|
|
n = col; m = row+col; |
n = col; m = row+col; |
for ( j = 0; j < n; j++ ) { |
for ( j = 0; j < n; j++ ) { |
for ( i = j; i < row && !mat[i][j]; i++ ); |
for ( i = j; i < row && !mat[i][j]; i++ ); |
if ( i == row ) |
if ( i == row ) |
return 1; |
return 1; |
if ( i != j ) { |
if ( i != j ) { |
t = mat[i]; mat[i] = mat[j]; mat[j] = t; |
t = mat[i]; mat[i] = mat[j]; mat[j] = t; |
} |
} |
pivot = mat[j]; |
pivot = mat[j]; |
inv = invm(pivot[j],md); |
inv = invm(pivot[j],md); |
for ( k = j; k < m; k++ ) |
for ( k = j; k < m; k++ ) |
pivot[k] = dmar(pivot[k],inv,0,md); |
pivot[k] = dmar(pivot[k],inv,0,md); |
for ( i = j+1; i < row; i++ ) { |
for ( i = j+1; i < row; i++ ) { |
t = mat[i]; |
t = mat[i]; |
if ( a = t[j] ) |
if ( a = t[j] ) |
for ( k = j, a = md - a; k < m; k++ ) |
for ( k = j, a = md - a; k < m; k++ ) |
t[k] = dmar(pivot[k],a,t[k],md); |
t[k] = dmar(pivot[k],a,t[k],md); |
} |
} |
} |
} |
for ( j = n-1; j >= 0; j-- ) { |
for ( j = n-1; j >= 0; j-- ) { |
pivot = mat[j]; |
pivot = mat[j]; |
for ( i = j-1; i >= 0; i-- ) { |
for ( i = j-1; i >= 0; i-- ) { |
t = mat[i]; |
t = mat[i]; |
if ( a = t[j] ) |
if ( a = t[j] ) |
for ( k = j, a = md - a; k < m; k++ ) |
for ( k = j, a = md - a; k < m; k++ ) |
t[k] = dmar(pivot[k],a,t[k],md); |
t[k] = dmar(pivot[k],a,t[k],md); |
} |
} |
} |
} |
return 0; |
return 0; |
} |
} |
|
|
void Psolve_by_lu_gfmmat(arg,rp) |
void Psolve_by_lu_gfmmat(NODE arg,VECT *rp) |
NODE arg; |
|
VECT *rp; |
|
{ |
{ |
GFMMAT lu; |
GFMMAT lu; |
Q *perm,*rhs,*v; |
Q *perm,*rhs,*v; |
int n,i; |
int n,i; |
unsigned int md; |
unsigned int md; |
unsigned int *b,*sol; |
unsigned int *b,*sol; |
VECT r; |
VECT r; |
|
|
lu = (GFMMAT)ARG0(arg); |
lu = (GFMMAT)ARG0(arg); |
perm = (Q *)BDY((VECT)ARG1(arg)); |
perm = (Q *)BDY((VECT)ARG1(arg)); |
rhs = (Q *)BDY((VECT)ARG2(arg)); |
rhs = (Q *)BDY((VECT)ARG2(arg)); |
md = (unsigned int)QTOS((Q)ARG3(arg)); |
md = (unsigned int)QTOS((Q)ARG3(arg)); |
n = lu->col; |
n = lu->col; |
b = (unsigned int *)MALLOC_ATOMIC(n*sizeof(int)); |
b = (unsigned int *)MALLOC_ATOMIC(n*sizeof(int)); |
sol = (unsigned int *)MALLOC_ATOMIC(n*sizeof(int)); |
sol = (unsigned int *)MALLOC_ATOMIC(n*sizeof(int)); |
for ( i = 0; i < n; i++ ) |
for ( i = 0; i < n; i++ ) |
b[i] = QTOS(rhs[QTOS(perm[i])]); |
b[i] = QTOS(rhs[QTOS(perm[i])]); |
solve_by_lu_gfmmat(lu,md,b,sol); |
solve_by_lu_gfmmat(lu,md,b,sol); |
MKVECT(r,n); |
MKVECT(r,n); |
for ( i = 0, v = (Q *)r->body; i < n; i++ ) |
for ( i = 0, v = (Q *)r->body; i < n; i++ ) |
STOQ(sol[i],v[i]); |
UTOQ(sol[i],v[i]); |
*rp = r; |
*rp = r; |
} |
} |
|
|
void solve_by_lu_gfmmat(lu,md,b,x) |
void solve_by_lu_gfmmat(GFMMAT lu,unsigned int md, |
GFMMAT lu; |
unsigned int *b,unsigned int *x) |
unsigned int md; |
|
unsigned int *b; |
|
unsigned int *x; |
|
{ |
{ |
int n; |
int n; |
unsigned int **a; |
unsigned int **a; |
unsigned int *y; |
unsigned int *y; |
int i,j; |
int i,j; |
unsigned int t,m; |
unsigned int t,m; |
|
|
n = lu->col; |
n = lu->col; |
a = lu->body; |
a = lu->body; |
y = (unsigned int *)MALLOC_ATOMIC(n*sizeof(int)); |
y = (unsigned int *)MALLOC_ATOMIC(n*sizeof(int)); |
/* solve Ly=b */ |
/* solve Ly=b */ |
for ( i = 0; i < n; i++ ) { |
for ( i = 0; i < n; i++ ) { |
for ( t = b[i], j = 0; j < i; j++ ) |
for ( t = b[i], j = 0; j < i; j++ ) |
if ( a[i][j] ) { |
if ( a[i][j] ) { |
m = md - a[i][j]; |
m = md - a[i][j]; |
DMAR(m,y[j],t,md,t) |
DMAR(m,y[j],t,md,t) |
} |
} |
y[i] = t; |
y[i] = t; |
} |
} |
/* solve Ux=y */ |
/* solve Ux=y */ |
for ( i = n-1; i >= 0; i-- ) { |
for ( i = n-1; i >= 0; i-- ) { |
for ( t = y[i], j =i+1; j < n; j++ ) |
for ( t = y[i], j =i+1; j < n; j++ ) |
if ( a[i][j] ) { |
if ( a[i][j] ) { |
m = md - a[i][j]; |
m = md - a[i][j]; |
DMAR(m,x[j],t,md,t) |
DMAR(m,x[j],t,md,t) |
} |
} |
/* a[i][i] = 1/U[i][i] */ |
/* a[i][i] = 1/U[i][i] */ |
DMAR(t,a[i][i],0,md,x[i]) |
DMAR(t,a[i][i],0,md,x[i]) |
} |
} |
} |
} |
|
|
void Plu_gfmmat(arg,rp) |
void Plu_mat(NODE arg,LIST *rp) |
NODE arg; |
|
LIST *rp; |
|
{ |
{ |
MAT m; |
MAT m,lu; |
GFMMAT mm; |
Q dn; |
unsigned int md; |
Q *v; |
int i,row,col,status; |
int n,i; |
int *iperm; |
int *iperm; |
Q *v; |
VECT perm; |
VECT perm; |
NODE n0; |
NODE n0; |
|
|
|
asir_assert(ARG0(arg),O_MAT,"mat_to_gfmmat"); |
asir_assert(ARG0(arg),O_MAT,"lu_mat"); |
asir_assert(ARG1(arg),O_N,"mat_to_gfmmat"); |
m = (MAT)ARG0(arg); |
m = (MAT)ARG0(arg); md = (unsigned int)QTOS((Q)ARG1(arg)); |
n = m->row; |
mat_to_gfmmat(m,md,&mm); |
MKMAT(lu,n,n); |
row = m->row; |
lu_dec_cr(m,lu,&dn,&iperm); |
col = m->col; |
MKVECT(perm,n); |
iperm = (int *)MALLOC_ATOMIC(row*sizeof(int)); |
for ( i = 0, v = (Q *)perm->body; i < n; i++ ) |
status = lu_gfmmat(mm,md,iperm); |
STOQ(iperm[i],v[i]); |
if ( !status ) |
n0 = mknode(3,lu,dn,perm); |
n0 = 0; |
MKLIST(*rp,n0); |
else { |
|
MKVECT(perm,row); |
|
for ( i = 0, v = (Q *)perm->body; i < row; i++ ) |
|
STOQ(iperm[i],v[i]); |
|
n0 = mknode(2,mm,perm); |
|
} |
|
MKLIST(*rp,n0); |
|
} |
} |
|
|
void Pmat_to_gfmmat(arg,rp) |
void Plu_gfmmat(NODE arg,LIST *rp) |
NODE arg; |
|
GFMMAT *rp; |
|
{ |
{ |
MAT m; |
MAT m; |
unsigned int md; |
GFMMAT mm; |
|
unsigned int md; |
|
int i,row,col,status; |
|
int *iperm; |
|
Q *v; |
|
VECT perm; |
|
NODE n0; |
|
|
asir_assert(ARG0(arg),O_MAT,"mat_to_gfmmat"); |
asir_assert(ARG0(arg),O_MAT,"lu_gfmmat"); |
asir_assert(ARG1(arg),O_N,"mat_to_gfmmat"); |
asir_assert(ARG1(arg),O_N,"lu_gfmmat"); |
m = (MAT)ARG0(arg); md = (unsigned int)QTOS((Q)ARG1(arg)); |
m = (MAT)ARG0(arg); md = (unsigned int)QTOS((Q)ARG1(arg)); |
mat_to_gfmmat(m,md,rp); |
mat_to_gfmmat(m,md,&mm); |
|
row = m->row; |
|
col = m->col; |
|
iperm = (int *)MALLOC_ATOMIC(row*sizeof(int)); |
|
status = lu_gfmmat(mm,md,iperm); |
|
if ( !status ) |
|
n0 = 0; |
|
else { |
|
MKVECT(perm,row); |
|
for ( i = 0, v = (Q *)perm->body; i < row; i++ ) |
|
STOQ(iperm[i],v[i]); |
|
n0 = mknode(2,mm,perm); |
|
} |
|
MKLIST(*rp,n0); |
} |
} |
|
|
void mat_to_gfmmat(m,md,rp) |
void Pmat_to_gfmmat(NODE arg,GFMMAT *rp) |
MAT m; |
|
unsigned int md; |
|
GFMMAT *rp; |
|
{ |
{ |
unsigned int **wmat; |
MAT m; |
unsigned int t; |
unsigned int md; |
Q **mat; |
|
Q q; |
|
int i,j,row,col; |
|
|
|
row = m->row; col = m->col; mat = (Q **)m->body; |
asir_assert(ARG0(arg),O_MAT,"mat_to_gfmmat"); |
wmat = (unsigned int **)almat(row,col); |
asir_assert(ARG1(arg),O_N,"mat_to_gfmmat"); |
for ( i = 0; i < row; i++ ) { |
m = (MAT)ARG0(arg); md = (unsigned int)QTOS((Q)ARG1(arg)); |
bzero((char *)wmat[i],col*sizeof(unsigned int)); |
mat_to_gfmmat(m,md,rp); |
for ( j = 0; j < col; j++ ) |
|
if ( q = mat[i][j] ) { |
|
t = (unsigned int)rem(NM(q),md); |
|
if ( SGN(q) < 0 ) |
|
t = (md - t) % md; |
|
wmat[i][j] = t; |
|
} |
|
} |
|
TOGFMMAT(row,col,wmat,*rp); |
|
} |
} |
|
|
void Pgeninvm_swap(arg,rp) |
void mat_to_gfmmat(MAT m,unsigned int md,GFMMAT *rp) |
NODE arg; |
|
LIST *rp; |
|
{ |
{ |
MAT m; |
unsigned int **wmat; |
pointer **mat; |
unsigned int t; |
Q **tmat; |
Q **mat; |
Q *tvect; |
Q q; |
Q q; |
int i,j,row,col; |
unsigned int **wmat,**invmat; |
|
int *index; |
|
unsigned int t,md; |
|
int i,j,row,col,status; |
|
MAT mat1; |
|
VECT vect1; |
|
NODE node1,node2; |
|
|
|
asir_assert(ARG0(arg),O_MAT,"geninvm_swap"); |
row = m->row; col = m->col; mat = (Q **)m->body; |
asir_assert(ARG1(arg),O_N,"geninvm_swap"); |
wmat = (unsigned int **)almat(row,col); |
m = (MAT)ARG0(arg); md = QTOS((Q)ARG1(arg)); |
for ( i = 0; i < row; i++ ) { |
row = m->row; col = m->col; mat = m->body; |
bzero((char *)wmat[i],col*sizeof(unsigned int)); |
wmat = (unsigned int **)almat(row,col+row); |
for ( j = 0; j < col; j++ ) |
for ( i = 0; i < row; i++ ) { |
if ( q = mat[i][j] ) { |
bzero((char *)wmat[i],(col+row)*sizeof(int)); |
t = (unsigned int)rem(NM(q),md); |
for ( j = 0; j < col; j++ ) |
if ( SGN(q) < 0 ) |
if ( q = (Q)mat[i][j] ) { |
t = (md - t) % md; |
t = (unsigned int)rem(NM(q),md); |
wmat[i][j] = t; |
if ( SGN(q) < 0 ) |
} |
t = (md - t) % md; |
} |
wmat[i][j] = t; |
TOGFMMAT(row,col,wmat,*rp); |
} |
|
wmat[i][col+i] = 1; |
|
} |
|
status = gauss_elim_geninv_mod_swap(wmat,row,col,md,&invmat,&index); |
|
if ( status > 0 ) |
|
*rp = 0; |
|
else { |
|
MKMAT(mat1,col,col); |
|
for ( i = 0, tmat = (Q **)mat1->body; i < col; i++ ) |
|
for ( j = 0; j < col; j++ ) |
|
UTOQ(invmat[i][j],tmat[i][j]); |
|
MKVECT(vect1,row); |
|
for ( i = 0, tvect = (Q *)vect1->body; i < row; i++ ) |
|
STOQ(index[i],tvect[i]); |
|
MKNODE(node2,vect1,0); MKNODE(node1,mat1,node2); MKLIST(*rp,node1); |
|
} |
|
} |
} |
|
|
gauss_elim_geninv_mod_swap(mat,row,col,md,invmatp,indexp) |
void Pgeninvm_swap(NODE arg,LIST *rp) |
unsigned int **mat; |
|
int row,col; |
|
unsigned int md; |
|
unsigned int ***invmatp; |
|
int **indexp; |
|
{ |
{ |
int i,j,k,inv,a,n,m; |
MAT m; |
unsigned int *t,*pivot,*s; |
pointer **mat; |
int *index; |
Q **tmat; |
unsigned int **invmat; |
Q *tvect; |
|
Q q; |
|
unsigned int **wmat,**invmat; |
|
int *index; |
|
unsigned int t,md; |
|
int i,j,row,col,status; |
|
MAT mat1; |
|
VECT vect1; |
|
NODE node1,node2; |
|
|
n = col; m = row+col; |
asir_assert(ARG0(arg),O_MAT,"geninvm_swap"); |
*indexp = index = (int *)MALLOC_ATOMIC(row*sizeof(int)); |
asir_assert(ARG1(arg),O_N,"geninvm_swap"); |
for ( i = 0; i < row; i++ ) |
m = (MAT)ARG0(arg); md = QTOS((Q)ARG1(arg)); |
index[i] = i; |
row = m->row; col = m->col; mat = m->body; |
for ( j = 0; j < n; j++ ) { |
wmat = (unsigned int **)almat(row,col+row); |
for ( i = j; i < row && !mat[i][j]; i++ ); |
for ( i = 0; i < row; i++ ) { |
if ( i == row ) { |
bzero((char *)wmat[i],(col+row)*sizeof(int)); |
*indexp = 0; *invmatp = 0; return 1; |
for ( j = 0; j < col; j++ ) |
} |
if ( q = (Q)mat[i][j] ) { |
if ( i != j ) { |
t = (unsigned int)rem(NM(q),md); |
t = mat[i]; mat[i] = mat[j]; mat[j] = t; |
if ( SGN(q) < 0 ) |
k = index[i]; index[i] = index[j]; index[j] = k; |
t = (md - t) % md; |
} |
wmat[i][j] = t; |
pivot = mat[j]; |
} |
inv = (unsigned int)invm(pivot[j],md); |
wmat[i][col+i] = 1; |
for ( k = j; k < m; k++ ) |
} |
if ( pivot[k] ) |
status = gauss_elim_geninv_mod_swap(wmat,row,col,md,&invmat,&index); |
pivot[k] = (unsigned int)dmar(pivot[k],inv,0,md); |
if ( status > 0 ) |
for ( i = j+1; i < row; i++ ) { |
*rp = 0; |
t = mat[i]; |
else { |
if ( a = t[j] ) |
MKMAT(mat1,col,col); |
for ( k = j, a = md - a; k < m; k++ ) |
for ( i = 0, tmat = (Q **)mat1->body; i < col; i++ ) |
if ( pivot[k] ) |
for ( j = 0; j < col; j++ ) |
t[k] = dmar(pivot[k],a,t[k],md); |
UTOQ(invmat[i][j],tmat[i][j]); |
} |
MKVECT(vect1,row); |
} |
for ( i = 0, tvect = (Q *)vect1->body; i < row; i++ ) |
for ( j = n-1; j >= 0; j-- ) { |
STOQ(index[i],tvect[i]); |
pivot = mat[j]; |
MKNODE(node2,vect1,0); MKNODE(node1,mat1,node2); MKLIST(*rp,node1); |
for ( i = j-1; i >= 0; i-- ) { |
} |
t = mat[i]; |
|
if ( a = t[j] ) |
|
for ( k = j, a = md - a; k < m; k++ ) |
|
if ( pivot[k] ) |
|
t[k] = dmar(pivot[k],a,t[k],md); |
|
} |
|
} |
|
*invmatp = invmat = (unsigned int **)almat(col,col); |
|
for ( i = 0; i < col; i++ ) |
|
for ( j = 0, s = invmat[i], t = mat[i]; j < col; j++ ) |
|
s[j] = t[col+index[j]]; |
|
return 0; |
|
} |
} |
|
|
|
int gauss_elim_geninv_mod_swap(unsigned int **mat,int row,int col,unsigned int md, |
|
unsigned int ***invmatp,int **indexp) |
|
{ |
|
int i,j,k,inv,a,n,m; |
|
unsigned int *t,*pivot,*s; |
|
int *index; |
|
unsigned int **invmat; |
|
|
|
n = col; m = row+col; |
|
*indexp = index = (int *)MALLOC_ATOMIC(row*sizeof(int)); |
|
for ( i = 0; i < row; i++ ) |
|
index[i] = i; |
|
for ( j = 0; j < n; j++ ) { |
|
for ( i = j; i < row && !mat[i][j]; i++ ); |
|
if ( i == row ) { |
|
*indexp = 0; *invmatp = 0; return 1; |
|
} |
|
if ( i != j ) { |
|
t = mat[i]; mat[i] = mat[j]; mat[j] = t; |
|
k = index[i]; index[i] = index[j]; index[j] = k; |
|
} |
|
pivot = mat[j]; |
|
inv = (unsigned int)invm(pivot[j],md); |
|
for ( k = j; k < m; k++ ) |
|
if ( pivot[k] ) |
|
pivot[k] = (unsigned int)dmar(pivot[k],inv,0,md); |
|
for ( i = j+1; i < row; i++ ) { |
|
t = mat[i]; |
|
if ( a = t[j] ) |
|
for ( k = j, a = md - a; k < m; k++ ) |
|
if ( pivot[k] ) |
|
t[k] = dmar(pivot[k],a,t[k],md); |
|
} |
|
} |
|
for ( j = n-1; j >= 0; j-- ) { |
|
pivot = mat[j]; |
|
for ( i = j-1; i >= 0; i-- ) { |
|
t = mat[i]; |
|
if ( a = t[j] ) |
|
for ( k = j, a = md - a; k < m; k++ ) |
|
if ( pivot[k] ) |
|
t[k] = dmar(pivot[k],a,t[k],md); |
|
} |
|
} |
|
*invmatp = invmat = (unsigned int **)almat(col,col); |
|
for ( i = 0; i < col; i++ ) |
|
for ( j = 0, s = invmat[i], t = mat[i]; j < col; j++ ) |
|
s[j] = t[col+index[j]]; |
|
return 0; |
|
} |
|
|
|
int gauss_elim_geninv_sf_swap(int **mat,int row,int col,int ***invmatp,int **indexp); |
|
|
|
void Pgeninv_sf_swap(NODE arg,LIST *rp) |
|
{ |
|
MAT m; |
|
GFS **mat,**tmat; |
|
Q *tvect; |
|
GFS q; |
|
int **wmat,**invmat; |
|
int *index; |
|
unsigned int t; |
|
int i,j,row,col,status; |
|
MAT mat1; |
|
VECT vect1; |
|
NODE node1,node2; |
|
|
|
asir_assert(ARG0(arg),O_MAT,"geninv_sf_swap"); |
|
m = (MAT)ARG0(arg); |
|
row = m->row; col = m->col; mat = (GFS **)m->body; |
|
wmat = (int **)almat(row,col+row); |
|
for ( i = 0; i < row; i++ ) { |
|
bzero((char *)wmat[i],(col+row)*sizeof(int)); |
|
for ( j = 0; j < col; j++ ) |
|
if ( q = (GFS)mat[i][j] ) |
|
wmat[i][j] = FTOIF(CONT(q)); |
|
wmat[i][col+i] = _onesf(); |
|
} |
|
status = gauss_elim_geninv_sf_swap(wmat,row,col,&invmat,&index); |
|
if ( status > 0 ) |
|
*rp = 0; |
|
else { |
|
MKMAT(mat1,col,col); |
|
for ( i = 0, tmat = (GFS **)mat1->body; i < col; i++ ) |
|
for ( j = 0; j < col; j++ ) |
|
if ( t = invmat[i][j] ) { |
|
MKGFS(IFTOF(t),tmat[i][j]); |
|
} |
|
MKVECT(vect1,row); |
|
for ( i = 0, tvect = (Q *)vect1->body; i < row; i++ ) |
|
STOQ(index[i],tvect[i]); |
|
MKNODE(node2,vect1,0); MKNODE(node1,mat1,node2); MKLIST(*rp,node1); |
|
} |
|
} |
|
|
|
int gauss_elim_geninv_sf_swap(int **mat,int row,int col, |
|
int ***invmatp,int **indexp) |
|
{ |
|
int i,j,k,inv,a,n,m,u; |
|
int *t,*pivot,*s; |
|
int *index; |
|
int **invmat; |
|
|
|
n = col; m = row+col; |
|
*indexp = index = (int *)MALLOC_ATOMIC(row*sizeof(int)); |
|
for ( i = 0; i < row; i++ ) |
|
index[i] = i; |
|
for ( j = 0; j < n; j++ ) { |
|
for ( i = j; i < row && !mat[i][j]; i++ ); |
|
if ( i == row ) { |
|
*indexp = 0; *invmatp = 0; return 1; |
|
} |
|
if ( i != j ) { |
|
t = mat[i]; mat[i] = mat[j]; mat[j] = t; |
|
k = index[i]; index[i] = index[j]; index[j] = k; |
|
} |
|
pivot = mat[j]; |
|
inv = _invsf(pivot[j]); |
|
for ( k = j; k < m; k++ ) |
|
if ( pivot[k] ) |
|
pivot[k] = _mulsf(pivot[k],inv); |
|
for ( i = j+1; i < row; i++ ) { |
|
t = mat[i]; |
|
if ( a = t[j] ) |
|
for ( k = j, a = _chsgnsf(a); k < m; k++ ) |
|
if ( pivot[k] ) { |
|
u = _mulsf(pivot[k],a); |
|
t[k] = _addsf(u,t[k]); |
|
} |
|
} |
|
} |
|
for ( j = n-1; j >= 0; j-- ) { |
|
pivot = mat[j]; |
|
for ( i = j-1; i >= 0; i-- ) { |
|
t = mat[i]; |
|
if ( a = t[j] ) |
|
for ( k = j, a = _chsgnsf(a); k < m; k++ ) |
|
if ( pivot[k] ) { |
|
u = _mulsf(pivot[k],a); |
|
t[k] = _addsf(u,t[k]); |
|
} |
|
} |
|
} |
|
*invmatp = invmat = (int **)almat(col,col); |
|
for ( i = 0; i < col; i++ ) |
|
for ( j = 0, s = invmat[i], t = mat[i]; j < col; j++ ) |
|
s[j] = t[col+index[j]]; |
|
return 0; |
|
} |
|
|
void _addn(N,N,N); |
void _addn(N,N,N); |
int _subn(N,N,N); |
int _subn(N,N,N); |
void _muln(N,N,N); |
void _muln(N,N,N); |
|
|
void inner_product_int(a,b,n,r) |
void inner_product_int(Q *a,Q *b,int n,Q *r) |
Q *a,*b; |
|
int n; |
|
Q *r; |
|
{ |
{ |
int la,lb,i; |
int la,lb,i; |
int sgn,sgn1; |
int sgn,sgn1; |
N wm,wma,sum,t; |
N wm,wma,sum,t; |
|
|
for ( la = lb = 0, i = 0; i < n; i++ ) { |
for ( la = lb = 0, i = 0; i < n; i++ ) { |
if ( a[i] ) |
if ( a[i] ) |
if ( DN(a[i]) ) |
if ( DN(a[i]) ) |
error("inner_product_int : invalid argument"); |
error("inner_product_int : invalid argument"); |
else |
else |
la = MAX(PL(NM(a[i])),la); |
la = MAX(PL(NM(a[i])),la); |
if ( b[i] ) |
if ( b[i] ) |
if ( DN(b[i]) ) |
if ( DN(b[i]) ) |
error("inner_product_int : invalid argument"); |
error("inner_product_int : invalid argument"); |
else |
else |
lb = MAX(PL(NM(b[i])),lb); |
lb = MAX(PL(NM(b[i])),lb); |
} |
} |
sgn = 0; |
sgn = 0; |
sum= NALLOC(la+lb+2); |
sum= NALLOC(la+lb+2); |
bzero((char *)sum,(la+lb+3)*sizeof(unsigned int)); |
bzero((char *)sum,(la+lb+3)*sizeof(unsigned int)); |
wm = NALLOC(la+lb+2); |
wm = NALLOC(la+lb+2); |
wma = NALLOC(la+lb+2); |
wma = NALLOC(la+lb+2); |
for ( i = 0; i < n; i++ ) { |
for ( i = 0; i < n; i++ ) { |
if ( !a[i] || !b[i] ) |
if ( !a[i] || !b[i] ) |
continue; |
continue; |
_muln(NM(a[i]),NM(b[i]),wm); |
_muln(NM(a[i]),NM(b[i]),wm); |
sgn1 = SGN(a[i])*SGN(b[i]); |
sgn1 = SGN(a[i])*SGN(b[i]); |
if ( !sgn ) { |
if ( !sgn ) { |
sgn = sgn1; |
sgn = sgn1; |
t = wm; wm = sum; sum = t; |
t = wm; wm = sum; sum = t; |
} else if ( sgn == sgn1 ) { |
} else if ( sgn == sgn1 ) { |
_addn(sum,wm,wma); |
_addn(sum,wm,wma); |
if ( !PL(wma) ) |
if ( !PL(wma) ) |
sgn = 0; |
sgn = 0; |
t = wma; wma = sum; sum = t; |
t = wma; wma = sum; sum = t; |
} else { |
} else { |
/* sgn*sum+sgn1*wm = sgn*(sum-wm) */ |
/* sgn*sum+sgn1*wm = sgn*(sum-wm) */ |
sgn *= _subn(sum,wm,wma); |
sgn *= _subn(sum,wm,wma); |
t = wma; wma = sum; sum = t; |
t = wma; wma = sum; sum = t; |
} |
} |
} |
} |
GC_free(wm); |
GCFREE(wm); |
GC_free(wma); |
GCFREE(wma); |
if ( !sgn ) { |
if ( !sgn ) { |
GC_free(sum); |
GCFREE(sum); |
*r = 0; |
*r = 0; |
} else |
} else |
NTOQ(sum,sgn,*r); |
NTOQ(sum,sgn,*r); |
} |
} |
|
|
/* (k,l) element of a*b where a: .x n matrix, b: n x . integer matrix */ |
/* (k,l) element of a*b where a: .x n matrix, b: n x . integer matrix */ |
|
|
void inner_product_mat_int_mod(a,b,n,k,l,r) |
void inner_product_mat_int_mod(Q **a,int **b,int n,int k,int l,Q *r) |
Q **a; |
|
int **b; |
|
int n,k,l; |
|
Q *r; |
|
{ |
{ |
int la,lb,i; |
int la,lb,i; |
int sgn,sgn1; |
int sgn,sgn1; |
N wm,wma,sum,t; |
N wm,wma,sum,t; |
Q aki; |
Q aki; |
int bil,bilsgn; |
int bil,bilsgn; |
struct oN tn; |
struct oN tn; |
|
|
for ( la = 0, i = 0; i < n; i++ ) { |
for ( la = 0, i = 0; i < n; i++ ) { |
if ( aki = a[k][i] ) |
if ( aki = a[k][i] ) |
if ( DN(aki) ) |
if ( DN(aki) ) |
error("inner_product_int : invalid argument"); |
error("inner_product_int : invalid argument"); |
else |
else |
la = MAX(PL(NM(aki)),la); |
la = MAX(PL(NM(aki)),la); |
} |
} |
lb = 1; |
lb = 1; |
sgn = 0; |
sgn = 0; |
sum= NALLOC(la+lb+2); |
sum= NALLOC(la+lb+2); |
bzero((char *)sum,(la+lb+3)*sizeof(unsigned int)); |
bzero((char *)sum,(la+lb+3)*sizeof(unsigned int)); |
wm = NALLOC(la+lb+2); |
wm = NALLOC(la+lb+2); |
wma = NALLOC(la+lb+2); |
wma = NALLOC(la+lb+2); |
for ( i = 0; i < n; i++ ) { |
for ( i = 0; i < n; i++ ) { |
if ( !(aki = a[k][i]) || !(bil = b[i][l]) ) |
if ( !(aki = a[k][i]) || !(bil = b[i][l]) ) |
continue; |
continue; |
tn.p = 1; |
tn.p = 1; |
if ( bil > 0 ) { |
if ( bil > 0 ) { |
tn.b[0] = bil; bilsgn = 1; |
tn.b[0] = bil; bilsgn = 1; |
} else { |
} else { |
tn.b[0] = -bil; bilsgn = -1; |
tn.b[0] = -bil; bilsgn = -1; |
} |
} |
_muln(NM(aki),&tn,wm); |
_muln(NM(aki),&tn,wm); |
sgn1 = SGN(aki)*bilsgn; |
sgn1 = SGN(aki)*bilsgn; |
if ( !sgn ) { |
if ( !sgn ) { |
sgn = sgn1; |
sgn = sgn1; |
t = wm; wm = sum; sum = t; |
t = wm; wm = sum; sum = t; |
} else if ( sgn == sgn1 ) { |
} else if ( sgn == sgn1 ) { |
_addn(sum,wm,wma); |
_addn(sum,wm,wma); |
if ( !PL(wma) ) |
if ( !PL(wma) ) |
sgn = 0; |
sgn = 0; |
t = wma; wma = sum; sum = t; |
t = wma; wma = sum; sum = t; |
} else { |
} else { |
/* sgn*sum+sgn1*wm = sgn*(sum-wm) */ |
/* sgn*sum+sgn1*wm = sgn*(sum-wm) */ |
sgn *= _subn(sum,wm,wma); |
sgn *= _subn(sum,wm,wma); |
t = wma; wma = sum; sum = t; |
t = wma; wma = sum; sum = t; |
} |
} |
} |
} |
GC_free(wm); |
GCFREE(wm); |
GC_free(wma); |
GCFREE(wma); |
if ( !sgn ) { |
if ( !sgn ) { |
GC_free(sum); |
GCFREE(sum); |
*r = 0; |
*r = 0; |
} else |
} else |
NTOQ(sum,sgn,*r); |
NTOQ(sum,sgn,*r); |
} |
} |
|
|
void Pmul_mat_vect_int(arg,rp) |
void Pmul_mat_vect_int(NODE arg,VECT *rp) |
NODE arg; |
|
VECT *rp; |
|
{ |
{ |
MAT mat; |
MAT mat; |
VECT vect,r; |
VECT vect,r; |
int row,col,i; |
int row,col,i; |
|
|
mat = (MAT)ARG0(arg); |
mat = (MAT)ARG0(arg); |
vect = (VECT)ARG1(arg); |
vect = (VECT)ARG1(arg); |
row = mat->row; |
row = mat->row; |
col = mat->col; |
col = mat->col; |
MKVECT(r,row); |
MKVECT(r,row); |
for ( i = 0; i < row; i++ ) |
for ( i = 0; i < row; i++ ) { |
inner_product_int(mat->body[i],vect->body,col,&r->body[i]); |
inner_product_int((Q *)mat->body[i],(Q *)vect->body,col,(Q *)&r->body[i]); |
*rp = r; |
} |
|
*rp = r; |
} |
} |
|
|
void Pnbpoly_up2(arg,rp) |
void Pnbpoly_up2(NODE arg,GF2N *rp) |
NODE arg; |
|
GF2N *rp; |
|
{ |
{ |
int m,type,ret; |
int m,type,ret; |
UP2 r; |
UP2 r; |
|
|
m = QTOS((Q)ARG0(arg)); |
m = QTOS((Q)ARG0(arg)); |
type = QTOS((Q)ARG1(arg)); |
type = QTOS((Q)ARG1(arg)); |
ret = generate_ONB_polynomial(&r,m,type); |
ret = generate_ONB_polynomial(&r,m,type); |
if ( ret == 0 ) |
if ( ret == 0 ) |
MKGF2N(r,*rp); |
MKGF2N(r,*rp); |
else |
else |
*rp = 0; |
*rp = 0; |
} |
} |
|
|
void Px962_irredpoly_up2(arg,rp) |
void Px962_irredpoly_up2(NODE arg,GF2N *rp) |
NODE arg; |
|
GF2N *rp; |
|
{ |
{ |
int m,type,ret,w; |
int m,ret,w; |
GF2N prev; |
GF2N prev; |
UP2 r; |
UP2 r; |
|
|
m = QTOS((Q)ARG0(arg)); |
m = QTOS((Q)ARG0(arg)); |
prev = (GF2N)ARG1(arg); |
prev = (GF2N)ARG1(arg); |
if ( !prev ) { |
if ( !prev ) { |
w = (m>>5)+1; NEWUP2(r,w); r->w = 0; |
w = (m>>5)+1; NEWUP2(r,w); r->w = 0; |
bzero((char *)r->b,w*sizeof(unsigned int)); |
bzero((char *)r->b,w*sizeof(unsigned int)); |
} else { |
} else { |
r = prev->body; |
r = prev->body; |
if ( degup2(r) != m ) { |
if ( degup2(r) != m ) { |
w = (m>>5)+1; NEWUP2(r,w); r->w = 0; |
w = (m>>5)+1; NEWUP2(r,w); r->w = 0; |
bzero((char *)r->b,w*sizeof(unsigned int)); |
bzero((char *)r->b,w*sizeof(unsigned int)); |
} |
} |
} |
} |
ret = _generate_irreducible_polynomial(r,m,type); |
ret = _generate_irreducible_polynomial(r,m); |
if ( ret == 0 ) |
if ( ret == 0 ) |
MKGF2N(r,*rp); |
MKGF2N(r,*rp); |
else |
else |
*rp = 0; |
*rp = 0; |
} |
} |
|
|
void Pirredpoly_up2(arg,rp) |
void Pirredpoly_up2(NODE arg,GF2N *rp) |
NODE arg; |
|
GF2N *rp; |
|
{ |
{ |
int m,type,ret,w; |
int m,ret,w; |
GF2N prev; |
GF2N prev; |
UP2 r; |
UP2 r; |
|
|
m = QTOS((Q)ARG0(arg)); |
m = QTOS((Q)ARG0(arg)); |
prev = (GF2N)ARG1(arg); |
prev = (GF2N)ARG1(arg); |
if ( !prev ) { |
if ( !prev ) { |
w = (m>>5)+1; NEWUP2(r,w); r->w = 0; |
w = (m>>5)+1; NEWUP2(r,w); r->w = 0; |
bzero((char *)r->b,w*sizeof(unsigned int)); |
bzero((char *)r->b,w*sizeof(unsigned int)); |
} else { |
} else { |
r = prev->body; |
r = prev->body; |
if ( degup2(r) != m ) { |
if ( degup2(r) != m ) { |
w = (m>>5)+1; NEWUP2(r,w); r->w = 0; |
w = (m>>5)+1; NEWUP2(r,w); r->w = 0; |
bzero((char *)r->b,w*sizeof(unsigned int)); |
bzero((char *)r->b,w*sizeof(unsigned int)); |
} |
} |
} |
} |
ret = _generate_good_irreducible_polynomial(r,m,type); |
ret = _generate_good_irreducible_polynomial(r,m); |
if ( ret == 0 ) |
if ( ret == 0 ) |
MKGF2N(r,*rp); |
MKGF2N(r,*rp); |
else |
else |
*rp = 0; |
*rp = 0; |
} |
} |
|
|
|
void Pmat_swap_row_destructive(NODE arg, MAT *m) |
|
{ |
|
int i1,i2; |
|
pointer *t; |
|
MAT mat; |
|
|
|
asir_assert(ARG0(arg),O_MAT,"mat_swap_row_destructive"); |
|
asir_assert(ARG1(arg),O_N,"mat_swap_row_destructive"); |
|
asir_assert(ARG2(arg),O_N,"mat_swap_row_destructive"); |
|
mat = (MAT)ARG0(arg); |
|
i1 = QTOS((Q)ARG1(arg)); |
|
i2 = QTOS((Q)ARG2(arg)); |
|
if ( i1 < 0 || i2 < 0 || i1 >= mat->row || i2 >= mat->row ) |
|
error("mat_swap_row_destructive : Out of range"); |
|
t = mat->body[i1]; |
|
mat->body[i1] = mat->body[i2]; |
|
mat->body[i2] = t; |
|
*m = mat; |
|
} |
|
|
|
void Pmat_swap_col_destructive(NODE arg, MAT *m) |
|
{ |
|
int j1,j2,i,n; |
|
pointer *mi; |
|
pointer t; |
|
MAT mat; |
|
|
|
asir_assert(ARG0(arg),O_MAT,"mat_swap_col_destructive"); |
|
asir_assert(ARG1(arg),O_N,"mat_swap_col_destructive"); |
|
asir_assert(ARG2(arg),O_N,"mat_swap_col_destructive"); |
|
mat = (MAT)ARG0(arg); |
|
j1 = QTOS((Q)ARG1(arg)); |
|
j2 = QTOS((Q)ARG2(arg)); |
|
if ( j1 < 0 || j2 < 0 || j1 >= mat->col || j2 >= mat->col ) |
|
error("mat_swap_col_destructive : Out of range"); |
|
n = mat->row; |
|
for ( i = 0; i < n; i++ ) { |
|
mi = mat->body[i]; |
|
t = mi[j1]; mi[j1] = mi[j2]; mi[j2] = t; |
|
} |
|
*m = mat; |
|
} |
/* |
/* |
* f = type 'type' normal polynomial of degree m if exists |
* f = type 'type' normal polynomial of degree m if exists |
* IEEE P1363 A.7.2 |
* IEEE P1363 A.7.2 |
|
|
|
|
int generate_ONB_polynomial(UP2 *rp,int m,int type) |
int generate_ONB_polynomial(UP2 *rp,int m,int type) |
{ |
{ |
int i,r; |
int i,r; |
int w; |
int w; |
UP2 f,f0,f1,f2,t; |
UP2 f,f0,f1,f2,t; |
|
|
w = (m>>5)+1; |
w = (m>>5)+1; |
switch ( type ) { |
switch ( type ) { |
case 1: |
case 1: |
if ( !TypeT_NB_check(m,1) ) return 1; |
if ( !TypeT_NB_check(m,1) ) return 1; |
NEWUP2(f,w); *rp = f; f->w = w; |
NEWUP2(f,w); *rp = f; f->w = w; |
/* set all the bits */ |
/* set all the bits */ |
for ( i = 0; i < w; i++ ) |
for ( i = 0; i < w; i++ ) |
f->b[i] = 0xffffffff; |
f->b[i] = 0xffffffff; |
/* mask the top word if necessary */ |
/* mask the top word if necessary */ |
if ( r = (m+1)&31 ) |
if ( r = (m+1)&31 ) |
f->b[w-1] &= (1<<r)-1; |
f->b[w-1] &= (1<<r)-1; |
return 0; |
return 0; |
break; |
break; |
case 2: |
case 2: |
if ( !TypeT_NB_check(m,2) ) return 1; |
if ( !TypeT_NB_check(m,2) ) return 1; |
NEWUP2(f,w); *rp = f; |
NEWUP2(f,w); *rp = f; |
W_NEWUP2(f0,w); |
W_NEWUP2(f0,w); |
W_NEWUP2(f1,w); |
W_NEWUP2(f1,w); |
W_NEWUP2(f2,w); |
W_NEWUP2(f2,w); |
|
|
/* recursion for genrating Type II normal polynomial */ |
/* recursion for genrating Type II normal polynomial */ |
|
|
/* f0 = 1, f1 = t+1 */ |
/* f0 = 1, f1 = t+1 */ |
f0->w = 1; f0->b[0] = 1; |
f0->w = 1; f0->b[0] = 1; |
f1->w = 1; f1->b[0] = 3; |
f1->w = 1; f1->b[0] = 3; |
for ( i = 2; i <= m; i++ ) { |
for ( i = 2; i <= m; i++ ) { |
/* f2 = t*f1+f0 */ |
/* f2 = t*f1+f0 */ |
_bshiftup2(f1,-1,f2); |
_bshiftup2(f1,-1,f2); |
_addup2_destructive(f2,f0); |
_addup2_destructive(f2,f0); |
/* cyclic change of the variables */ |
/* cyclic change of the variables */ |
t = f0; f0 = f1; f1 = f2; f2 = t; |
t = f0; f0 = f1; f1 = f2; f2 = t; |
} |
} |
_copyup2(f1,f); |
_copyup2(f1,f); |
return 0; |
return 0; |
break; |
break; |
default: |
default: |
return -1; |
return -1; |
break; |
break; |
} |
} |
} |
} |
|
|
/* |
/* |
Line 2302 int generate_ONB_polynomial(UP2 *rp,int m,int type) |
|
Line 3624 int generate_ONB_polynomial(UP2 *rp,int m,int type) |
|
|
|
int _generate_irreducible_polynomial(UP2 f,int d) |
int _generate_irreducible_polynomial(UP2 f,int d) |
{ |
{ |
int ret,i,j,k,nz,i0,j0,k0; |
int ret,i,j,k,nz,i0,j0,k0; |
int w; |
int w; |
unsigned int *fd; |
unsigned int *fd; |
|
|
/* |
/* |
* if f = x^d+x^i+1 then i0 <- i, j0 <- 0, k0 <-0. |
* if f = x^d+x^i+1 then i0 <- i, j0 <- 0, k0 <-0. |
* if f = x^d+x^k+x^j+x^i+1 (k>j>i) then i0 <- i, j0 <- j, k0 <-k. |
* if f = x^d+x^k+x^j+x^i+1 (k>j>i) then i0 <- i, j0 <- j, k0 <-k. |
* otherwise i0,j0,k0 is set to 0. |
* otherwise i0,j0,k0 is set to 0. |
*/ |
*/ |
|
|
fd = f->b; |
fd = f->b; |
w = (d>>5)+1; |
w = (d>>5)+1; |
if ( f->w && (d==degup2(f)) ) { |
if ( f->w && (d==degup2(f)) ) { |
for ( nz = 0, i = d; i >= 0; i-- ) |
for ( nz = 0, i = d; i >= 0; i-- ) |
if ( fd[i>>5]&(1<<(i&31)) ) nz++; |
if ( fd[i>>5]&(1<<(i&31)) ) nz++; |
switch ( nz ) { |
switch ( nz ) { |
case 3: |
case 3: |
for ( i0 = 1; !(fd[i0>>5]&(1<<(i0&31))) ; i0++ ); |
for ( i0 = 1; !(fd[i0>>5]&(1<<(i0&31))) ; i0++ ); |
/* reset i0-th bit */ |
/* reset i0-th bit */ |
fd[i0>>5] &= ~(1<<(i0&31)); |
fd[i0>>5] &= ~(1<<(i0&31)); |
j0 = k0 = 0; |
j0 = k0 = 0; |
break; |
break; |
case 5: |
case 5: |
for ( i0 = 1; !(fd[i0>>5]&(1<<(i0&31))) ; i0++ ); |
for ( i0 = 1; !(fd[i0>>5]&(1<<(i0&31))) ; i0++ ); |
/* reset i0-th bit */ |
/* reset i0-th bit */ |
fd[i0>>5] &= ~(1<<(i0&31)); |
fd[i0>>5] &= ~(1<<(i0&31)); |
for ( j0 = i0+1; !(fd[j0>>5]&(1<<(j0&31))) ; j0++ ); |
for ( j0 = i0+1; !(fd[j0>>5]&(1<<(j0&31))) ; j0++ ); |
/* reset j0-th bit */ |
/* reset j0-th bit */ |
fd[j0>>5] &= ~(1<<(j0&31)); |
fd[j0>>5] &= ~(1<<(j0&31)); |
for ( k0 = j0+1; !(fd[k0>>5]&(1<<(k0&31))) ; k0++ ); |
for ( k0 = j0+1; !(fd[k0>>5]&(1<<(k0&31))) ; k0++ ); |
/* reset k0-th bit */ |
/* reset k0-th bit */ |
fd[k0>>5] &= ~(1<<(k0&31)); |
fd[k0>>5] &= ~(1<<(k0&31)); |
break; |
break; |
default: |
default: |
f->w = 0; break; |
f->w = 0; break; |
} |
} |
} else |
} else |
f->w = 0; |
f->w = 0; |
|
|
if ( !f->w ) { |
if ( !f->w ) { |
fd = f->b; |
fd = f->b; |
f->w = w; fd[0] |= 1; fd[d>>5] |= (1<<(d&31)); |
f->w = w; fd[0] |= 1; fd[d>>5] |= (1<<(d&31)); |
i0 = j0 = k0 = 0; |
i0 = j0 = k0 = 0; |
} |
} |
/* if j0 > 0 then f is already a pentanomial */ |
/* if j0 > 0 then f is already a pentanomial */ |
if ( j0 > 0 ) goto PENTA; |
if ( j0 > 0 ) goto PENTA; |
|
|
/* searching for an irreducible trinomial */ |
/* searching for an irreducible trinomial */ |
|
|
for ( i = 1; 2*i <= d; i++ ) { |
for ( i = 1; 2*i <= d; i++ ) { |
/* skip the polynomials 'before' f */ |
/* skip the polynomials 'before' f */ |
if ( i < i0 ) continue; |
if ( i < i0 ) continue; |
if ( i == i0 ) { i0 = 0; continue; } |
if ( i == i0 ) { i0 = 0; continue; } |
/* set i-th bit */ |
/* set i-th bit */ |
fd[i>>5] |= (1<<(i&31)); |
fd[i>>5] |= (1<<(i&31)); |
ret = irredcheck_dddup2(f); |
ret = irredcheck_dddup2(f); |
if ( ret == 1 ) return 0; |
if ( ret == 1 ) return 0; |
/* reset i-th bit */ |
/* reset i-th bit */ |
fd[i>>5] &= ~(1<<(i&31)); |
fd[i>>5] &= ~(1<<(i&31)); |
} |
} |
|
|
/* searching for an irreducible pentanomial */ |
/* searching for an irreducible pentanomial */ |
PENTA: |
PENTA: |
for ( i = 1; i < d; i++ ) { |
for ( i = 1; i < d; i++ ) { |
/* skip the polynomials 'before' f */ |
/* skip the polynomials 'before' f */ |
if ( i < i0 ) continue; |
if ( i < i0 ) continue; |
if ( i == i0 ) i0 = 0; |
if ( i == i0 ) i0 = 0; |
/* set i-th bit */ |
/* set i-th bit */ |
fd[i>>5] |= (1<<(i&31)); |
fd[i>>5] |= (1<<(i&31)); |
for ( j = i+1; j < d; j++ ) { |
for ( j = i+1; j < d; j++ ) { |
/* skip the polynomials 'before' f */ |
/* skip the polynomials 'before' f */ |
if ( j < j0 ) continue; |
if ( j < j0 ) continue; |
if ( j == j0 ) j0 = 0; |
if ( j == j0 ) j0 = 0; |
/* set j-th bit */ |
/* set j-th bit */ |
fd[j>>5] |= (1<<(j&31)); |
fd[j>>5] |= (1<<(j&31)); |
for ( k = j+1; k < d; k++ ) { |
for ( k = j+1; k < d; k++ ) { |
/* skip the polynomials 'before' f */ |
/* skip the polynomials 'before' f */ |
if ( k < k0 ) continue; |
if ( k < k0 ) continue; |
else if ( k == k0 ) { k0 = 0; continue; } |
else if ( k == k0 ) { k0 = 0; continue; } |
/* set k-th bit */ |
/* set k-th bit */ |
fd[k>>5] |= (1<<(k&31)); |
fd[k>>5] |= (1<<(k&31)); |
ret = irredcheck_dddup2(f); |
ret = irredcheck_dddup2(f); |
if ( ret == 1 ) return 0; |
if ( ret == 1 ) return 0; |
/* reset k-th bit */ |
/* reset k-th bit */ |
fd[k>>5] &= ~(1<<(k&31)); |
fd[k>>5] &= ~(1<<(k&31)); |
} |
} |
/* reset j-th bit */ |
/* reset j-th bit */ |
fd[j>>5] &= ~(1<<(j&31)); |
fd[j>>5] &= ~(1<<(j&31)); |
} |
} |
/* reset i-th bit */ |
/* reset i-th bit */ |
fd[i>>5] &= ~(1<<(i&31)); |
fd[i>>5] &= ~(1<<(i&31)); |
} |
} |
/* exhausted */ |
/* exhausted */ |
return 1; |
return 1; |
} |
} |
|
|
/* |
/* |
|
|
|
|
int _generate_good_irreducible_polynomial(UP2 f,int d) |
int _generate_good_irreducible_polynomial(UP2 f,int d) |
{ |
{ |
int ret,i,j,k,nz,i0,j0,k0; |
int ret,i,j,k,nz,i0,j0,k0; |
int w; |
int w; |
unsigned int *fd; |
unsigned int *fd; |
|
|
/* |
/* |
* if f = x^d+x^i+1 then i0 <- i, j0 <- 0, k0 <-0. |
* if f = x^d+x^i+1 then i0 <- i, j0 <- 0, k0 <-0. |
* if f = x^d+x^k+x^j+x^i+1 (k>j>i) then i0 <- i, j0 <- j, k0 <-k. |
* if f = x^d+x^k+x^j+x^i+1 (k>j>i) then i0 <- i, j0 <- j, k0 <-k. |
* otherwise i0,j0,k0 is set to 0. |
* otherwise i0,j0,k0 is set to 0. |
*/ |
*/ |
|
|
fd = f->b; |
fd = f->b; |
w = (d>>5)+1; |
w = (d>>5)+1; |
if ( f->w && (d==degup2(f)) ) { |
if ( f->w && (d==degup2(f)) ) { |
for ( nz = 0, i = d; i >= 0; i-- ) |
for ( nz = 0, i = d; i >= 0; i-- ) |
if ( fd[i>>5]&(1<<(i&31)) ) nz++; |
if ( fd[i>>5]&(1<<(i&31)) ) nz++; |
switch ( nz ) { |
switch ( nz ) { |
case 3: |
case 3: |
for ( i0 = 1; !(fd[i0>>5]&(1<<(i0&31))) ; i0++ ); |
for ( i0 = 1; !(fd[i0>>5]&(1<<(i0&31))) ; i0++ ); |
/* reset i0-th bit */ |
/* reset i0-th bit */ |
fd[i0>>5] &= ~(1<<(i0&31)); |
fd[i0>>5] &= ~(1<<(i0&31)); |
j0 = k0 = 0; |
j0 = k0 = 0; |
break; |
break; |
case 5: |
case 5: |
for ( i0 = 1; !(fd[i0>>5]&(1<<(i0&31))) ; i0++ ); |
for ( i0 = 1; !(fd[i0>>5]&(1<<(i0&31))) ; i0++ ); |
/* reset i0-th bit */ |
/* reset i0-th bit */ |
fd[i0>>5] &= ~(1<<(i0&31)); |
fd[i0>>5] &= ~(1<<(i0&31)); |
for ( j0 = i0+1; !(fd[j0>>5]&(1<<(j0&31))) ; j0++ ); |
for ( j0 = i0+1; !(fd[j0>>5]&(1<<(j0&31))) ; j0++ ); |
/* reset j0-th bit */ |
/* reset j0-th bit */ |
fd[j0>>5] &= ~(1<<(j0&31)); |
fd[j0>>5] &= ~(1<<(j0&31)); |
for ( k0 = j0+1; !(fd[k0>>5]&(1<<(k0&31))) ; k0++ ); |
for ( k0 = j0+1; !(fd[k0>>5]&(1<<(k0&31))) ; k0++ ); |
/* reset k0-th bit */ |
/* reset k0-th bit */ |
fd[k0>>5] &= ~(1<<(k0&31)); |
fd[k0>>5] &= ~(1<<(k0&31)); |
break; |
break; |
default: |
default: |
f->w = 0; break; |
f->w = 0; break; |
} |
} |
} else |
} else |
f->w = 0; |
f->w = 0; |
|
|
if ( !f->w ) { |
if ( !f->w ) { |
fd = f->b; |
fd = f->b; |
f->w = w; fd[0] |= 1; fd[d>>5] |= (1<<(d&31)); |
f->w = w; fd[0] |= 1; fd[d>>5] |= (1<<(d&31)); |
i0 = j0 = k0 = 0; |
i0 = j0 = k0 = 0; |
} |
} |
/* if j0 > 0 then f is already a pentanomial */ |
/* if j0 > 0 then f is already a pentanomial */ |
if ( j0 > 0 ) goto PENTA; |
if ( j0 > 0 ) goto PENTA; |
|
|
/* searching for an irreducible trinomial */ |
/* searching for an irreducible trinomial */ |
|
|
for ( i = 1; 2*i <= d; i++ ) { |
for ( i = 1; 2*i <= d; i++ ) { |
/* skip the polynomials 'before' f */ |
/* skip the polynomials 'before' f */ |
if ( i < i0 ) continue; |
if ( i < i0 ) continue; |
if ( i == i0 ) { i0 = 0; continue; } |
if ( i == i0 ) { i0 = 0; continue; } |
/* set i-th bit */ |
/* set i-th bit */ |
fd[i>>5] |= (1<<(i&31)); |
fd[i>>5] |= (1<<(i&31)); |
ret = irredcheck_dddup2(f); |
ret = irredcheck_dddup2(f); |
if ( ret == 1 ) return 0; |
if ( ret == 1 ) return 0; |
/* reset i-th bit */ |
/* reset i-th bit */ |
fd[i>>5] &= ~(1<<(i&31)); |
fd[i>>5] &= ~(1<<(i&31)); |
} |
} |
|
|
/* searching for an irreducible pentanomial */ |
/* searching for an irreducible pentanomial */ |
PENTA: |
PENTA: |
for ( i = 3; i < d; i++ ) { |
for ( i = 3; i < d; i++ ) { |
/* skip the polynomials 'before' f */ |
/* skip the polynomials 'before' f */ |
if ( i < i0 ) continue; |
if ( i < i0 ) continue; |
if ( i == i0 ) i0 = 0; |
if ( i == i0 ) i0 = 0; |
/* set i-th bit */ |
/* set i-th bit */ |
fd[i>>5] |= (1<<(i&31)); |
fd[i>>5] |= (1<<(i&31)); |
for ( j = 2; j < i; j++ ) { |
for ( j = 2; j < i; j++ ) { |
/* skip the polynomials 'before' f */ |
/* skip the polynomials 'before' f */ |
if ( j < j0 ) continue; |
if ( j < j0 ) continue; |
if ( j == j0 ) j0 = 0; |
if ( j == j0 ) j0 = 0; |
/* set j-th bit */ |
/* set j-th bit */ |
fd[j>>5] |= (1<<(j&31)); |
fd[j>>5] |= (1<<(j&31)); |
for ( k = 1; k < j; k++ ) { |
for ( k = 1; k < j; k++ ) { |
/* skip the polynomials 'before' f */ |
/* skip the polynomials 'before' f */ |
if ( k < k0 ) continue; |
if ( k < k0 ) continue; |
else if ( k == k0 ) { k0 = 0; continue; } |
else if ( k == k0 ) { k0 = 0; continue; } |
/* set k-th bit */ |
/* set k-th bit */ |
fd[k>>5] |= (1<<(k&31)); |
fd[k>>5] |= (1<<(k&31)); |
ret = irredcheck_dddup2(f); |
ret = irredcheck_dddup2(f); |
if ( ret == 1 ) return 0; |
if ( ret == 1 ) return 0; |
/* reset k-th bit */ |
/* reset k-th bit */ |
fd[k>>5] &= ~(1<<(k&31)); |
fd[k>>5] &= ~(1<<(k&31)); |
} |
} |
/* reset j-th bit */ |
/* reset j-th bit */ |
fd[j>>5] &= ~(1<<(j&31)); |
fd[j>>5] &= ~(1<<(j&31)); |
} |
} |
/* reset i-th bit */ |
/* reset i-th bit */ |
fd[i>>5] &= ~(1<<(i&31)); |
fd[i>>5] &= ~(1<<(i&31)); |
} |
} |
/* exhausted */ |
/* exhausted */ |
return 1; |
return 1; |
} |
} |
|
|
printqmat(mat,row,col) |
void printqmat(Q **mat,int row,int col) |
Q **mat; |
|
int row,col; |
|
{ |
{ |
int i,j; |
int i,j; |
|
|
for ( i = 0; i < row; i++ ) { |
for ( i = 0; i < row; i++ ) { |
for ( j = 0; j < col; j++ ) { |
for ( j = 0; j < col; j++ ) { |
printnum((Num)mat[i][j]); printf(" "); |
printnum((Num)mat[i][j]); printf(" "); |
} |
} |
printf("\n"); |
printf("\n"); |
} |
} |
} |
} |
|
|
printimat(mat,row,col) |
void printimat(int **mat,int row,int col) |
int **mat; |
|
int row,col; |
|
{ |
{ |
int i,j; |
int i,j; |
|
|
for ( i = 0; i < row; i++ ) { |
for ( i = 0; i < row; i++ ) { |
for ( j = 0; j < col; j++ ) { |
for ( j = 0; j < col; j++ ) { |
printf("%d ",mat[i][j]); |
printf("%d ",mat[i][j]); |
} |
} |
printf("\n"); |
printf("\n"); |
} |
} |
|
} |
|
|
|
void Pnd_det(NODE arg,P *rp) |
|
{ |
|
if ( argc(arg) == 1 ) |
|
nd_det(0,ARG0(arg),rp); |
|
else |
|
nd_det(QTOS((Q)ARG1(arg)),ARG0(arg),rp); |
|
} |
|
|
|
void Pmat_col(NODE arg,VECT *rp) |
|
{ |
|
int i,j,n; |
|
MAT mat; |
|
VECT vect; |
|
|
|
asir_assert(ARG0(arg),O_MAT,"mat_col"); |
|
asir_assert(ARG1(arg),O_N,"mat_col"); |
|
mat = (MAT)ARG0(arg); |
|
j = QTOS((Q)ARG1(arg)); |
|
if ( j < 0 || j >= mat->col) { |
|
error("mat_col : Out of range"); |
|
} |
|
n = mat->row; |
|
MKVECT(vect,n); |
|
for(i=0; i<n; i++) { |
|
BDY(vect)[i] = BDY(mat)[i][j]; |
|
} |
|
*rp = vect; |
|
} |
|
|
|
NODE triangleq(NODE e) |
|
{ |
|
int n,i,k; |
|
V v; |
|
VL vl; |
|
P *p; |
|
NODE r,r1; |
|
|
|
n = length(e); |
|
p = (P *)MALLOC(n*sizeof(P)); |
|
for ( i = 0; i < n; i++, e = NEXT(e) ) p[i] = (P)BDY(e); |
|
i = 0; |
|
while ( 1 ) { |
|
for ( ; i < n && !p[i]; i++ ); |
|
if ( i == n ) break; |
|
if ( OID(p[i]) == O_N ) return 0; |
|
v = p[i]->v; |
|
for ( k = i+1; k < n; k++ ) |
|
if ( p[k] ) { |
|
if ( OID(p[k]) == O_N ) return 0; |
|
if ( p[k]->v == v ) p[k] = 0; |
|
} |
|
i++; |
|
} |
|
for ( r = 0, i = 0; i < n; i++ ) { |
|
if ( p[i] ) { |
|
MKNODE(r1,p[i],r); r = r1; |
|
} |
|
} |
|
return r; |
|
} |
|
|
|
void Ptriangleq(NODE arg,LIST *rp) |
|
{ |
|
NODE ret; |
|
|
|
asir_assert(ARG0(arg),O_LIST,"sparseleq"); |
|
ret = triangleq(BDY((LIST)ARG0(arg))); |
|
MKLIST(*rp,ret); |
} |
} |