version 1.1.1.1, 1999/12/03 07:39:07 |
version 1.9, 2000/11/08 08:02:49 |
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/* $OpenXM: OpenXM/src/asir99/builtin/array.c,v 1.2 1999/11/23 07:14:14 noro Exp $ */ |
/* |
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* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED |
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* All rights reserved. |
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* |
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* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited, |
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* non-exclusive and royalty-free license to use, copy, modify and |
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* redistribute, solely for non-commercial and non-profit purposes, the |
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* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and |
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* conditions of this Agreement. For the avoidance of doubt, you acquire |
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* only a limited right to use the SOFTWARE hereunder, and FLL or any |
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* third party developer retains all rights, including but not limited to |
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* copyrights, in and to the SOFTWARE. |
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* |
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* (1) FLL does not grant you a license in any way for commercial |
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* purposes. You may use the SOFTWARE only for non-commercial and |
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* non-profit purposes only, such as academic, research and internal |
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* business use. |
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* (2) The SOFTWARE is protected by the Copyright Law of Japan and |
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* international copyright treaties. If you make copies of the SOFTWARE, |
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* with or without modification, as permitted hereunder, you shall affix |
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* to all such copies of the SOFTWARE the above copyright notice. |
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* (3) An explicit reference to this SOFTWARE and its copyright owner |
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* shall be made on your publication or presentation in any form of the |
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* results obtained by use of the SOFTWARE. |
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* (4) In the event that you modify the SOFTWARE, you shall notify FLL by |
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* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification |
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* for such modification or the source code of the modified part of the |
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* SOFTWARE. |
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* |
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* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL |
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* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND |
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* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES' |
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* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY |
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* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY. |
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* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT, |
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* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL |
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* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES |
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* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES |
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* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY |
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* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF |
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* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART |
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* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
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* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
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* |
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* $OpenXM: OpenXM_contrib2/asir2000/builtin/array.c,v 1.8 2000/09/21 09:19:25 noro Exp $ |
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*/ |
#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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#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); |
*/ |
#endif |
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extern int Print; /* XXX */ |
extern int 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); |
void solve_by_lu_gfmmat(GFMMAT,unsigned int,unsigned int *,unsigned int *); |
void solve_by_lu_gfmmat(GFMMAT,unsigned int,unsigned int *,unsigned int *); |
int lu_gfmmat(GFMMAT,unsigned int,int *); |
int lu_gfmmat(GFMMAT,unsigned int,int *); |
void mat_to_gfmmat(MAT,unsigned int,GFMMAT *); |
void mat_to_gfmmat(MAT,unsigned int,GFMMAT *); |
Line 22 int gauss_elim_mod1(int **,int,int,int); |
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Line 73 int gauss_elim_mod1(int **,int,int,int); |
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int gauss_elim_geninv_mod(unsigned int **,int,int,int); |
int gauss_elim_geninv_mod(unsigned int **,int,int,int); |
int gauss_elim_geninv_mod_swap(unsigned int **,int,int,unsigned int,unsigned int ***,int **); |
int gauss_elim_geninv_mod_swap(unsigned int **,int,int,unsigned int,unsigned int ***,int **); |
void Pnewvect(), Pnewmat(), Psepvect(), Psize(), Pdet(), Pleqm(), Pleqm1(), Pgeninvm(); |
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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Line 46 struct ftab array_tab[] = { |
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Line 98 struct ftab array_tab[] = { |
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{"generic_gauss_elim_mod",Pgeneric_gauss_elim_mod,2}, |
{"generic_gauss_elim_mod",Pgeneric_gauss_elim_mod,2}, |
{"newvect",Pnewvect,-2}, |
{"newvect",Pnewvect,-2}, |
{"newmat",Pnewmat,-3}, |
{"newmat",Pnewmat,-3}, |
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{"newbytearray",Pnewbytearray,-2}, |
{"sepmat_destructive",Psepmat_destructive,2}, |
{"sepmat_destructive",Psepmat_destructive,2}, |
{"sepvect",Psepvect,2}, |
{"sepvect",Psepvect,2}, |
{"qsort",Pqsort,-2}, |
{"qsort",Pqsort,-2}, |
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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 ) { |
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*rp = vect; |
*rp = vect; |
} |
} |
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void Pnewbytearray(arg,rp) |
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NODE arg; |
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BYTEARRAY *rp; |
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{ |
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int len,i,r; |
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BYTEARRAY array; |
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unsigned char *vb; |
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LIST list; |
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NODE tn; |
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asir_assert(ARG0(arg),O_N,"newbytearray"); |
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len = QTOS((Q)ARG0(arg)); |
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if ( len < 0 ) |
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error("newbytearray : invalid size"); |
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MKBYTEARRAY(array,len); |
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if ( argc(arg) == 2 ) { |
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list = (LIST)ARG1(arg); |
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asir_assert(list,O_LIST,"newbytearray"); |
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for ( r = 0, tn = BDY(list); tn; r++, tn = NEXT(tn) ); |
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if ( r > len ) { |
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*rp = array; |
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return; |
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} |
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for ( i = 0, tn = BDY(list), vb = BDY(array); tn; i++, tn = NEXT(tn) ) |
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vb[i] = (unsigned char)QTOS((Q)BDY(tn)); |
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} |
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*rp = array; |
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} |
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void Pnewmat(arg,rp) |
void Pnewmat(arg,rp) |
NODE arg; |
NODE arg; |
MAT *rp; |
MAT *rp; |
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asir_assert(ARG0(arg),O_N,"newmat"); |
asir_assert(ARG0(arg),O_N,"newmat"); |
asir_assert(ARG1(arg),O_N,"newmat"); |
asir_assert(ARG1(arg),O_N,"newmat"); |
row = QTOS((Q)ARG0(arg)); col = QTOS((Q)ARG1(arg)); |
row = QTOS((Q)ARG0(arg)); col = QTOS((Q)ARG1(arg)); |
if ( row <= 0 || col <= 0 ) |
if ( row < 0 || col < 0 ) |
error("newmat : invalid size"); |
error("newmat : invalid size"); |
MKMAT(m,row,col); |
MKMAT(m,row,col); |
if ( argc(arg) == 3 ) { |
if ( argc(arg) == 3 ) { |
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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++ ) { |
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unsigned int tk; |
/* t[k] = dmar(pivot[k],a,t[k],md); */ |
/* t[k] = dmar(pivot[k],a,t[k],md); */ |
DMAR(pivot[k],a,t[k],md,t[k]) |
DMAR(pivot[k],a,t[k],md,tk) |
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t[k] = tk; |
} |
} |
} |
} |
} |
} |
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return -1; |
return -1; |
} |
} |
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struct oEGT eg_mod,eg_elim,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; |
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int generic_gauss_elim(mat,nm,dn,rindp,cindp) |
int generic_gauss_elim(mat,nm,dn,rindp,cindp) |
MAT mat; |
MAT mat; |
Line 706 int **rindp,**cindp; |
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Line 790 int **rindp,**cindp; |
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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 ( Print ) |
if ( Print ) { |
fprintf(asir_out,"."); |
fprintf(asir_out,"."); fflush(asir_out); |
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} |
md = lprime[ind]; |
md = lprime[ind]; |
get_eg(&tmp0); |
get_eg(&tmp0); |
for ( i = 0; i < row; i++ ) |
for ( i = 0; i < row; i++ ) |
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} |
} |
} else { |
} else { |
if ( rank < rank0 ) { |
if ( rank < rank0 ) { |
if ( Print ) |
if ( Print ) { |
fprintf(asir_out,"lower rank matrix; continuing...\n"); |
fprintf(asir_out,"lower rank matrix; continuing...\n"); |
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fflush(asir_out); |
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} |
continue; |
continue; |
} else if ( rank > rank0 ) { |
} else if ( rank > rank0 ) { |
if ( Print ) |
if ( Print ) { |
fprintf(asir_out,"higher rank matrix; resetting...\n"); |
fprintf(asir_out,"higher rank matrix; resetting...\n"); |
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fflush(asir_out); |
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} |
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 ( Print ) |
if ( Print ) { |
fprintf(asir_out,"inconsitent colstat; resetting...\n"); |
fprintf(asir_out,"inconsitent colstat; resetting...\n"); |
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fflush(asir_out); |
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} |
goto RESET; |
goto RESET; |
} |
} |
} |
} |
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else |
else |
cind[l++] = j; |
cind[l++] = j; |
get_eg(&tmp0); |
get_eg(&tmp0); |
if ( gensolve_check(mat,*nm,*dn,rind,cind) ) |
if ( gensolve_check(mat,*nm,*dn,rind,cind) ) { |
get_eg(&tmp1); |
get_eg(&tmp1); |
add_eg(&eg_gschk,&tmp0,&tmp1); |
add_eg(&eg_gschk,&tmp0,&tmp1); |
add_eg(&eg_gschk_split,&tmp0,&tmp1); |
add_eg(&eg_gschk_split,&tmp0,&tmp1); |
if ( Print ) { |
if ( Print ) { |
print_eg("Mod",&eg_mod_split); |
print_eg("Mod",&eg_mod_split); |
print_eg("Elim",&eg_elim_split); |
print_eg("Elim",&eg_elim_split); |
print_eg("ChRem",&eg_chrem_split); |
print_eg("ChRem",&eg_chrem_split); |
print_eg("IntRat",&eg_intrat_split); |
print_eg("IntRat",&eg_intrat_split); |
print_eg("Check",&eg_gschk_split); |
print_eg("Check",&eg_gschk_split); |
fflush(asir_out); |
fflush(asir_out); |
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} |
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return rank; |
} |
} |
return rank; |
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} |
} |
} |
} |
} |
} |
} |
} |
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int generic_gauss_elim_hensel(mat,nmmat,dn,rindp,cindp) |
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MAT mat; |
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MAT *nmmat; |
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Q *dn; |
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int **rindp,**cindp; |
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{ |
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MAT bmat,xmat; |
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Q **a0,**a,**b,**x,**nm; |
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Q *ai,*bi,*xi; |
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int row,col; |
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int **w; |
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int *wi; |
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int **wc; |
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Q mdq,q,s,u; |
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N tn; |
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int ind,md,i,j,k,l,li,ri,rank; |
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unsigned int t; |
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int *cinfo,*rinfo; |
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int *rind,*cind; |
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int count; |
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struct oEGT eg_mul,eg_inv,tmp0,tmp1; |
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a0 = (Q **)mat->body; |
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row = mat->row; col = mat->col; |
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w = (int **)almat(row,col); |
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for ( ind = 0; ; ind++ ) { |
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md = lprime[ind]; |
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STOQ(md,mdq); |
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for ( i = 0; i < row; i++ ) |
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for ( j = 0, ai = a0[i], wi = w[i]; j < col; j++ ) |
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if ( q = (Q)ai[j] ) { |
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t = rem(NM(q),md); |
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if ( t && SGN(q) < 0 ) |
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t = (md - t) % md; |
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wi[j] = t; |
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} else |
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wi[j] = 0; |
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rank = find_lhs_and_lu_mod(w,row,col,md,&rinfo,&cinfo); |
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a = (Q **)almat_pointer(rank,rank); /* lhs mat */ |
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MKMAT(bmat,rank,col-rank); b = (Q **)bmat->body; /* lhs mat */ |
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for ( j = li = ri = 0; j < col; j++ ) |
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if ( cinfo[j] ) { |
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/* the column is in lhs */ |
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for ( i = 0; i < rank; i++ ) { |
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w[i][li] = w[i][j]; |
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a[i][li] = a0[rinfo[i]][j]; |
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} |
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li++; |
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} else { |
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/* the column is in rhs */ |
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for ( i = 0; i < rank; i++ ) |
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b[i][ri] = a0[rinfo[i]][j]; |
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ri++; |
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} |
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/* solve Ax+B=0; A: rank x rank, B: rank x ri */ |
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MKMAT(xmat,rank,ri); x = (Q **)(xmat)->body; |
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MKMAT(*nmmat,rank,ri); nm = (Q **)(*nmmat)->body; |
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/* use the right part of w as work area */ |
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/* ri = col - rank */ |
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wc = (int **)almat(rank,ri); |
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for ( i = 0; i < rank; i++ ) |
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wc[i] = w[i]+rank; |
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*rindp = rind = (int *)MALLOC_ATOMIC(rank*sizeof(int)); |
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*cindp = cind = (int *)MALLOC_ATOMIC((ri)*sizeof(int)); |
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init_eg(&eg_mul); init_eg(&eg_inv); |
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for ( q = ONE, count = 0; ; count++ ) { |
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fprintf(stderr,"."); |
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/* wc = -b mod md */ |
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for ( i = 0; i < rank; i++ ) |
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for ( j = 0, bi = b[i], wi = wc[i]; j < ri; j++ ) |
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if ( u = (Q)bi[j] ) { |
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t = rem(NM(u),md); |
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if ( t && SGN(u) > 0 ) |
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t = (md - t) % md; |
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wi[j] = t; |
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} else |
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wi[j] = 0; |
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/* wc = A^(-1)wc; wc is normalized */ |
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get_eg(&tmp0); |
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solve_by_lu_mod(w,rank,md,wc,ri); |
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get_eg(&tmp1); |
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add_eg(&eg_inv,&tmp0,&tmp1); |
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/* x = x-q*wc */ |
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for ( i = 0; i < rank; i++ ) |
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for ( j = 0, xi = x[i], wi = wc[i]; j < ri; j++ ) { |
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STOQ(wi[j],u); mulq(q,u,&s); |
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subq(xi[j],s,&u); xi[j] = u; |
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} |
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get_eg(&tmp0); |
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for ( i = 0; i < rank; i++ ) |
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for ( j = 0; j < ri; j++ ) { |
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inner_product_mat_int_mod(a,wc,rank,i,j,&u); |
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addq(b[i][j],u,&s); |
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if ( s ) { |
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t = divin(NM(s),md,&tn); |
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if ( t ) |
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error("generic_gauss_elim_hensel:incosistent"); |
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NTOQ(tn,SGN(s),b[i][j]); |
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} else |
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b[i][j] = 0; |
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} |
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get_eg(&tmp1); |
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add_eg(&eg_mul,&tmp0,&tmp1); |
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/* q = q*md */ |
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mulq(q,mdq,&u); q = u; |
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if ( !(count % 2) && intmtoratm_q(xmat,NM(q),*nmmat,dn) ) { |
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for ( j = k = l = 0; j < col; j++ ) |
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if ( cinfo[j] ) |
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rind[k++] = j; |
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else |
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cind[l++] = j; |
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if ( gensolve_check(mat,*nmmat,*dn,rind,cind) ) { |
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fprintf(stderr,"\n"); |
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print_eg("INV",&eg_inv); |
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print_eg("MUL",&eg_mul); |
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fflush(asir_out); |
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return rank; |
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} |
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} |
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} |
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} |
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} |
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int f4_nocheck; |
int f4_nocheck; |
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int gensolve_check(mat,nm,dn,rind,cind) |
int gensolve_check(mat,nm,dn,rind,cind) |
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N u,unm,udn; |
N u,unm,udn; |
int sgn,ret; |
int sgn,ret; |
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if ( UNIN(md) ) |
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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); |
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return 1; |
return 1; |
} |
} |
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/* mat->body = Q ** */ |
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int intmtoratm_q(mat,md,nm,dn) |
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MAT mat; |
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N md; |
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MAT nm; |
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Q *dn; |
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{ |
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N t,s,b; |
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Q bound,dn0,dn1,nm1,q,tq; |
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int i,j,k,l,row,col; |
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Q **rmat; |
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Q **tmat; |
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Q *tmi; |
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Q *nmk; |
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N u,unm,udn; |
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int sgn,ret; |
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|
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if ( UNIN(md) ) |
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return 0; |
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row = mat->row; col = mat->col; |
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bshiftn(md,1,&t); |
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isqrt(t,&s); |
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bshiftn(s,64,&b); |
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if ( !b ) |
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b = ONEN; |
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dn0 = ONE; |
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tmat = (Q **)mat->body; |
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rmat = (Q **)nm->body; |
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for ( i = 0; i < row; i++ ) |
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for ( j = 0, tmi = tmat[i]; j < col; j++ ) |
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if ( tmi[j] ) { |
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muln(NM(tmi[j]),NM(dn0),&s); |
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remn(s,md,&u); |
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ret = inttorat(u,md,b,&sgn,&unm,&udn); |
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if ( !ret ) |
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return 0; |
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else { |
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if ( SGN(tmi[j])<0 ) |
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sgn = -sgn; |
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NTOQ(unm,sgn,nm1); |
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NTOQ(udn,1,dn1); |
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if ( !UNIQ(dn1) ) { |
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for ( k = 0; k < i; k++ ) |
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for ( l = 0, nmk = rmat[k]; l < col; l++ ) { |
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mulq(nmk[l],dn1,&q); nmk[l] = q; |
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} |
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for ( l = 0, nmk = rmat[i]; l < j; l++ ) { |
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mulq(nmk[l],dn1,&q); nmk[l] = q; |
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} |
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} |
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rmat[i][j] = nm1; |
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mulq(dn0,dn1,&q); dn0 = q; |
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} |
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} |
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*dn = dn0; |
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return 1; |
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} |
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#define ONE_STEP1 if ( zzz = *s ) { DMAR(zzz,hc,*tj,md,*tj) } tj++; s++; |
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void reduce_reducers_mod(mat,row,col,md) |
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int **mat; |
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int row,col; |
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int md; |
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{ |
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int i,j,k,l,hc,zzz; |
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int *t,*s,*tj,*ind; |
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|
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/* reduce the reducers */ |
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ind = (int *)ALLOCA(row*sizeof(int)); |
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for ( i = 0; i < row; i++ ) { |
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t = mat[i]; |
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for ( j = 0; j < col && !t[j]; j++ ); |
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/* register the position of the head term */ |
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ind[i] = j; |
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for ( l = i-1; l >= 0; l-- ) { |
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/* reduce mat[i] by mat[l] */ |
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if ( hc = t[ind[l]] ) { |
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/* mat[i] = mat[i]-hc*mat[l] */ |
|
j = ind[l]; |
|
s = mat[l]+j; |
|
tj = t+j; |
|
hc = md-hc; |
|
k = col-j; |
|
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 |
|
} |
|
for ( ; k >= 0; k-- ) { |
|
if ( zzz = *s ) { DMAR(zzz,hc,*tj,md,*tj) } tj++; s++; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
/* |
|
mat[i] : reducers (i=0,...,nred-1) |
|
spolys (i=nred,...,row-1) |
|
mat[0] < mat[1] < ... < mat[nred-1] w.r.t the term order |
|
1. reduce the reducers |
|
2. reduce spolys by the reduced reducers |
|
*/ |
|
|
|
void pre_reduce_mod(mat,row,col,nred,md) |
|
int **mat; |
|
int row,col,nred; |
|
int md; |
|
{ |
|
int i,j,k,l,hc,inv; |
|
int *t,*s,*tk,*ind; |
|
|
|
#if 1 |
|
/* reduce the reducers */ |
|
ind = (int *)ALLOCA(row*sizeof(int)); |
|
for ( i = 0; i < nred; i++ ) { |
|
/* make mat[i] monic and mat[i] by mat[0],...,mat[i-1] */ |
|
t = mat[i]; |
|
for ( j = 0; j < col && !t[j]; j++ ); |
|
/* register the position of the head term */ |
|
ind[i] = j; |
|
inv = invm(t[j],md); |
|
for ( k = j; k < col; k++ ) |
|
if ( t[k] ) |
|
DMAR(t[k],inv,0,md,t[k]) |
|
for ( l = i-1; l >= 0; l-- ) { |
|
/* reduce mat[i] by mat[l] */ |
|
if ( hc = t[ind[l]] ) { |
|
/* mat[i] = mat[i]-hc*mat[l] */ |
|
for ( k = ind[l], hc = md-hc, s = mat[l]+k, tk = t+k; |
|
k < col; k++, tk++, s++ ) |
|
if ( *s ) |
|
DMAR(*s,hc,*tk,md,*tk) |
|
} |
|
} |
|
} |
|
/* reduce the spolys */ |
|
for ( i = nred; i < row; i++ ) { |
|
t = mat[i]; |
|
for ( l = nred-1; l >= 0; l-- ) { |
|
/* reduce mat[i] by mat[l] */ |
|
if ( hc = t[ind[l]] ) { |
|
/* mat[i] = mat[i]-hc*mat[l] */ |
|
for ( k = ind[l], hc = md-hc, s = mat[l]+k, tk = t+k; |
|
k < col; k++, tk++, s++ ) |
|
if ( *s ) |
|
DMAR(*s,hc,*tk,md,*tk) |
|
} |
|
} |
|
} |
|
#endif |
|
} |
|
/* |
|
mat[i] : reducers (i=0,...,nred-1) |
|
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) |
|
int *sp,**redmat; |
|
int *ind; |
|
int nred,col; |
|
int md; |
|
{ |
|
int i,j,k,hc,zzz; |
|
int *t,*s,*tj; |
|
|
|
/* reduce the spolys by redmat */ |
|
for ( i = nred-1; i >= 0; i-- ) { |
|
/* reduce sp by redmat[i] */ |
|
if ( hc = sp[ind[i]] ) { |
|
/* sp = sp-hc*redmat[i] */ |
|
j = ind[i]; |
|
hc = md-hc; |
|
s = redmat[i]+j; |
|
tj = sp+j; |
|
for ( k = col-j; k >= 0; k-- ) { |
|
if ( zzz = *s ) { DMAR(zzz,hc,*tj,md,*tj) } tj++; s++; |
|
} |
|
} |
|
} |
|
} |
|
|
|
#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(mat,row,col,md,colstat) |
int **mat; |
int **mat; |
int row,col,md; |
int row,col,md; |
int *colstat; |
int *colstat; |
{ |
{ |
int i,j,k,l,inv,a,rank; |
int i,j,k,l,inv,a,rank,zzz; |
int *t,*pivot; |
int *t,*pivot,*pk,*tk; |
|
|
for ( rank = 0, j = 0; j < col; j++ ) { |
for ( rank = 0, j = 0; j < col; j++ ) { |
for ( i = rank; i < row && !mat[i][j]; i++ ); |
for ( i = rank; i < row && !mat[i][j]; i++ ); |
|
|
} |
} |
pivot = mat[rank]; |
pivot = mat[rank]; |
inv = invm(pivot[j],md); |
inv = invm(pivot[j],md); |
for ( k = j; k < col; k++ ) |
for ( k = j, pk = pivot+k; k < col; k++, pk++ ) |
if ( pivot[k] ) { |
if ( *pk ) { |
DMAR(pivot[k],inv,0,md,pivot[k]) |
DMAR(*pk,inv,0,md,*pk) |
} |
} |
for ( i = rank+1; i < row; i++ ) { |
for ( i = rank+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 < col; k++ ) |
a = md - a; pk = pivot+j; tk = t+j; |
if ( pivot[k] ) { |
k = col-j; |
DMAR(pivot[k],a,t[k],md,t[k]) |
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++; |
|
} |
|
} |
} |
} |
rank++; |
rank++; |
} |
} |
|
|
pivot = mat[l]; |
pivot = mat[l]; |
for ( i = 0; i < l; i++ ) { |
for ( i = 0; i < l; i++ ) { |
t = mat[i]; |
t = mat[i]; |
if ( a = t[j] ) |
if ( a = t[j] ) { |
for ( k = j, a = md-a; k < col; k++ ) |
a = md-a; pk = pivot+j; tk = t+j; |
if ( pivot[k] ) { |
k = col-j; |
DMAR(pivot[k],a,t[k],md,t[k]) |
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--; |
l--; |
} |
} |
|
|
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] ) { |
DMAR(m,pivot[j],t[j],md,t[j]) |
unsigned int tj; |
|
|
|
DMAR(m,pivot[j],t[j],md,tj) |
|
t[j] = tj; |
} |
} |
} |
} |
} |
} |
|
|
return 1; |
return 1; |
} |
} |
|
|
|
/* |
|
Input |
|
a: a row x col matrix |
|
md : a modulus |
|
|
|
Output: |
|
return : d = the rank of mat |
|
a[0..(d-1)][0..(d-1)] : LU decomposition (a[i][i] = 1/U[i][i]) |
|
rinfo: array of length row |
|
cinfo: array of length col |
|
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. |
|
*/ |
|
|
|
int find_lhs_and_lu_mod(a,row,col,md,rinfo,cinfo) |
|
unsigned int **a; |
|
unsigned int md; |
|
int **rinfo,**cinfo; |
|
{ |
|
int i,j,k,l,d; |
|
int *rp,*cp; |
|
unsigned int *t,*pivot; |
|
unsigned int inv,m; |
|
|
|
*rinfo = rp = (int *)MALLOC_ATOMIC(row*sizeof(int)); |
|
*cinfo = cp = (int *)MALLOC_ATOMIC(col*sizeof(int)); |
|
for ( i = 0; i < row; i++ ) |
|
rp[i] = i; |
|
for ( k = 0, d = 0; k < col; k++ ) { |
|
for ( i = d; i < row && !a[i][k]; i++ ); |
|
if ( i == row ) { |
|
cp[k] = 0; |
|
continue; |
|
} else |
|
cp[k] = 1; |
|
if ( i != d ) { |
|
j = rp[i]; rp[i] = rp[d]; rp[d] = j; |
|
t = a[i]; a[i] = a[d]; a[d] = t; |
|
} |
|
pivot = a[d]; |
|
pivot[k] = inv = invm(pivot[k],md); |
|
for ( i = d+1; i < row; i++ ) { |
|
t = a[i]; |
|
if ( m = t[k] ) { |
|
DMAR(inv,m,0,md,t[k]) |
|
for ( j = k+1, m = md - t[k]; j < col; j++ ) |
|
if ( pivot[j] ) { |
|
unsigned int tj; |
|
DMAR(m,pivot[j],t[j],md,tj) |
|
t[j] = tj; |
|
} |
|
} |
|
} |
|
d++; |
|
} |
|
return d; |
|
} |
|
|
|
/* |
|
Input |
|
a : n x n matrix; a result of LU-decomposition |
|
md : modulus |
|
b : n x l matrix |
|
Output |
|
b = a^(-1)b |
|
*/ |
|
|
|
void solve_by_lu_mod(a,n,md,b,l) |
|
int **a; |
|
int n; |
|
int md; |
|
int **b; |
|
int l; |
|
{ |
|
unsigned int *y,*c; |
|
int i,j,k; |
|
unsigned int t,m,m2; |
|
|
|
y = (int *)MALLOC_ATOMIC(n*sizeof(int)); |
|
c = (int *)MALLOC_ATOMIC(n*sizeof(int)); |
|
m2 = md>>1; |
|
for ( k = 0; k < l; k++ ) { |
|
/* copy b[.][k] to c */ |
|
for ( i = 0; i < n; i++ ) |
|
c[i] = (unsigned int)b[i][k]; |
|
/* solve Ly=c */ |
|
for ( i = 0; i < n; i++ ) { |
|
for ( t = c[i], j = 0; j < i; j++ ) |
|
if ( a[i][j] ) { |
|
m = md - a[i][j]; |
|
DMAR(m,y[j],t,md,t) |
|
} |
|
y[i] = t; |
|
} |
|
/* solve Uc=y */ |
|
for ( i = n-1; i >= 0; i-- ) { |
|
for ( t = y[i], j =i+1; j < n; j++ ) |
|
if ( a[i][j] ) { |
|
m = md - a[i][j]; |
|
DMAR(m,c[j],t,md,t) |
|
} |
|
/* a[i][i] = 1/U[i][i] */ |
|
DMAR(t,a[i][i],0,md,c[i]) |
|
} |
|
/* copy c to b[.][k] with normalization */ |
|
for ( i = 0; i < n; i++ ) |
|
b[i][k] = (int)(c[i]>m2 ? c[i]-md : c[i]); |
|
} |
|
} |
|
|
void Pleqm1(arg,rp) |
void Pleqm1(arg,rp) |
NODE arg; |
NODE arg; |
VECT *rp; |
VECT *rp; |
|
|
NTOQ(sum,sgn,*r); |
NTOQ(sum,sgn,*r); |
} |
} |
|
|
|
/* (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) |
|
Q **a; |
|
int **b; |
|
int n,k,l; |
|
Q *r; |
|
{ |
|
int la,lb,i; |
|
int sgn,sgn1; |
|
N wm,wma,sum,t; |
|
Q aki; |
|
int bil,bilsgn; |
|
struct oN tn; |
|
|
|
for ( la = 0, i = 0; i < n; i++ ) { |
|
if ( aki = a[k][i] ) |
|
if ( DN(aki) ) |
|
error("inner_product_int : invalid argument"); |
|
else |
|
la = MAX(PL(NM(aki)),la); |
|
} |
|
lb = 1; |
|
sgn = 0; |
|
sum= NALLOC(la+lb+2); |
|
bzero((char *)sum,(la+lb+3)*sizeof(unsigned int)); |
|
wm = NALLOC(la+lb+2); |
|
wma = NALLOC(la+lb+2); |
|
for ( i = 0; i < n; i++ ) { |
|
if ( !(aki = a[k][i]) || !(bil = b[i][l]) ) |
|
continue; |
|
tn.p = 1; |
|
if ( bil > 0 ) { |
|
tn.b[0] = bil; bilsgn = 1; |
|
} else { |
|
tn.b[0] = -bil; bilsgn = -1; |
|
} |
|
_muln(NM(aki),&tn,wm); |
|
sgn1 = SGN(aki)*bilsgn; |
|
if ( !sgn ) { |
|
sgn = sgn1; |
|
t = wm; wm = sum; sum = t; |
|
} else if ( sgn == sgn1 ) { |
|
_addn(sum,wm,wma); |
|
if ( !PL(wma) ) |
|
sgn = 0; |
|
t = wma; wma = sum; sum = t; |
|
} else { |
|
/* sgn*sum+sgn1*wm = sgn*(sum-wm) */ |
|
sgn *= _subn(sum,wm,wma); |
|
t = wma; wma = sum; sum = t; |
|
} |
|
} |
|
GC_free(wm); |
|
GC_free(wma); |
|
if ( !sgn ) { |
|
GC_free(sum); |
|
*r = 0; |
|
} else |
|
NTOQ(sum,sgn,*r); |
|
} |
|
|
void Pmul_mat_vect_int(arg,rp) |
void Pmul_mat_vect_int(arg,rp) |
NODE arg; |
NODE arg; |
VECT *rp; |
VECT *rp; |
|
|
} |
} |
/* exhausted */ |
/* exhausted */ |
return 1; |
return 1; |
|
} |
|
|
|
printqmat(mat,row,col) |
|
Q **mat; |
|
int row,col; |
|
{ |
|
int i,j; |
|
|
|
for ( i = 0; i < row; i++ ) { |
|
for ( j = 0; j < col; j++ ) { |
|
printnum((Num)mat[i][j]); printf(" "); |
|
} |
|
printf("\n"); |
|
} |
|
} |
|
|
|
printimat(mat,row,col) |
|
int **mat; |
|
int row,col; |
|
{ |
|
int i,j; |
|
|
|
for ( i = 0; i < row; i++ ) { |
|
for ( j = 0; j < col; j++ ) { |
|
printf("%d ",mat[i][j]); |
|
} |
|
printf("\n"); |
|
} |
} |
} |