| version 1.3, 2018/09/24 22:26:43 |
version 1.4, 2018/09/25 07:36:01 |
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| /* $OpenXM: OpenXM_contrib2/asir2018/engine/nd.c,v 1.2 2018/09/21 07:06:51 noro Exp $ */ |
/* $OpenXM: OpenXM_contrib2/asir2018/engine/nd.c,v 1.3 2018/09/24 22:26:43 noro Exp $ */ |
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| #include "nd.h" |
#include "nd.h" |
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| Line 4232 void removecont_array_q(Z *c,int n) |
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| Line 4232 void removecont_array_q(Z *c,int n) |
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| for ( i = 0; i < n; i++ ) c[i] = q[i]; |
for ( i = 0; i < n; i++ ) c[i] = q[i]; |
| } |
} |
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void gcdv_mpz_estimate(mpz_t d0,mpz_t *c,int n); |
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void mpz_removecont_array(mpz_t *c,int n) |
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{ |
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mpz_t d0,a,u,u1,gcd; |
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int i,j; |
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mpz_t *q,*r; |
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for ( i = 0; i < n; i++ ) |
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if ( mpz_sgn(c[i]) ) break; |
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if ( i == n ) return; |
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gcdv_mpz_estimate(d0,c,n); |
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q = (mpz_t *)MALLOC(n*sizeof(mpz_t)); |
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r = (mpz_t *)MALLOC(n*sizeof(mpz_t)); |
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for ( i = 0; i < n; i++ ) { |
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mpz_init(q[i]); mpz_init(r[i]); |
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mpz_fdiv_qr(q[i],r[i],c[i],d0); |
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} |
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for ( i = 0; i < n; i++ ) |
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if ( mpz_sgn(r[i]) ) break; |
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mpz_init(gcd); mpz_init(a); mpz_init(u); mpz_init(u1); |
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if ( i < n ) { |
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mpz_gcd(gcd,d0,r[i]); |
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for ( j = i+1; j < n; j++ ) mpz_gcd(gcd,gcd,r[j]); |
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mpz_div(a,d0,gcd); |
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for ( i = 0; i < n; i++ ) { |
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mpz_mul(u,a,q[i]); |
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if ( mpz_sgn(r[i]) ) { |
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mpz_div(u1,r[i],gcd); |
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mpz_add(q[i],u,u1); |
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} else |
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mpz_set(q[i],u); |
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} |
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} |
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for ( i = 0; i < n; i++ ) |
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mpz_set(c[i],q[i]); |
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} |
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| void nd_mul_c(int mod,ND p,int mul) |
void nd_mul_c(int mod,ND p,int mul) |
| { |
{ |
| NM m; |
NM m; |
| Line 5952 void expand_array(Z *svect,Z *cvect,int n) |
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| Line 5990 void expand_array(Z *svect,Z *cvect,int n) |
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| if ( svect[i] ) svect[i] = cvect[j++]; |
if ( svect[i] ) svect[i] = cvect[j++]; |
| } |
} |
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#if 1 |
| int ndv_reduce_vect_q(Z *svect,int trace,int col,IndArray *imat,NM_ind_pair *rp0,int nred) |
int ndv_reduce_vect_q(Z *svect,int trace,int col,IndArray *imat,NM_ind_pair *rp0,int nred) |
| { |
{ |
| int i,j,k,len,pos,prev,nz; |
int i,j,k,len,pos,prev,nz; |
| Line 6030 int ndv_reduce_vect_q(Z *svect,int trace,int col,IndAr |
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| Line 6069 int ndv_reduce_vect_q(Z *svect,int trace,int col,IndAr |
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| } |
} |
| return maxrs; |
return maxrs; |
| } |
} |
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#else |
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/* direct mpz version */ |
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int ndv_reduce_vect_q(Z *svect0,int trace,int col,IndArray *imat,NM_ind_pair *rp0,int nred) |
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{ |
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int i,j,k,len,pos,prev; |
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mpz_t *svect; |
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mpz_t cs,cr,gcd; |
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IndArray ivect; |
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unsigned char *ivc; |
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unsigned short *ivs; |
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unsigned int *ivi; |
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NDV redv; |
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NMV mr; |
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NODE rp; |
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int maxrs; |
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double hmag; |
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int l; |
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maxrs = 0; |
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for ( i = 0; i < col && !svect0[i]; i++ ); |
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if ( i == col ) return maxrs; |
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hmag = p_mag((P)svect0[i])*nd_scale; |
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svect = (mpz_t *)MALLOC(col*sizeof(mpz_t)); |
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for ( i = 0; i < col; i++ ) { |
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mpz_init(svect[i]); |
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if ( svect0[i] ) |
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mpz_set(svect[i],BDY(svect0[i])); |
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else |
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mpz_set_ui(svect[i],0); |
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} |
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mpz_init(gcd); mpz_init(cs); mpz_init(cr); |
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for ( i = 0; i < nred; i++ ) { |
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ivect = imat[i]; |
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k = ivect->head; |
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if ( mpz_sgn(svect[k]) ) { |
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maxrs = MAX(maxrs,rp0[i]->sugar); |
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redv = nd_demand?ndv_load(rp0[i]->index) |
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:(trace?nd_ps_trace[rp0[i]->index]:nd_ps[rp0[i]->index]); |
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len = LEN(redv); mr = BDY(redv); |
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mpz_gcd(gcd,svect[k],BDY(CQ(mr))); |
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mpz_div(cs,svect[k],gcd); |
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mpz_div(cr,BDY(CQ(mr)),gcd); |
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mpz_neg(cs,cs); |
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for ( j = 0; j < col; j++ ) |
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mpz_mul(svect[j],svect[j],cr); |
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mpz_set_ui(svect[k],0); |
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prev = k; |
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switch ( ivect->width ) { |
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case 1: |
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ivc = ivect->index.c; |
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for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) { |
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pos = prev+ivc[j]; prev = pos; |
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mpz_addmul(svect[pos],BDY(CQ(mr)),cs); |
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} |
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break; |
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case 2: |
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ivs = ivect->index.s; |
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for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) { |
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pos = prev+ivs[j]; prev = pos; |
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mpz_addmul(svect[pos],BDY(CQ(mr)),cs); |
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} |
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break; |
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case 4: |
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ivi = ivect->index.i; |
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for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) { |
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pos = prev+ivi[j]; prev = pos; |
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mpz_addmul(svect[pos],BDY(CQ(mr)),cs); |
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} |
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break; |
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} |
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for ( j = k+1; j < col && !svect[j]; j++ ); |
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if ( j == col ) break; |
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if ( hmag && ((double)mpz_sizeinbase(svect[j],2) > hmag) ) { |
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mpz_removecont_array(svect,col); |
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hmag = ((double)mpz_sizeinbase(svect[j],2))*nd_scale; |
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} |
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} |
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} |
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mpz_removecont_array(svect,col); |
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if ( DP_Print ) { |
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fprintf(asir_out,"-"); fflush(asir_out); |
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} |
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for ( i = 0; i < col; i++ ) |
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if ( mpz_sgn(svect[i]) ) MPZTOZ(svect[i],svect0[i]); |
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else svect0[i] = 0; |
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return maxrs; |
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} |
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#endif |
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| int ndv_reduce_vect(int m,UINT *svect,int col,IndArray *imat,NM_ind_pair *rp0,int nred) |
int ndv_reduce_vect(int m,UINT *svect,int col,IndArray *imat,NM_ind_pair *rp0,int nred) |
| { |
{ |