version 1.10, 2005/08/02 07:16:42 |
version 1.17, 2017/08/31 02:36:21 |
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/* |
/* |
* $OpenXM: OpenXM_contrib2/asir2000/engine/dalg.c,v 1.9 2005/07/11 00:24:02 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/engine/dalg.c,v 1.16 2013/11/05 02:55:03 noro Exp $ |
*/ |
*/ |
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#include "ca.h" |
#include "ca.h" |
Line 36 void setfield_dalg(NODE alist) |
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Line 36 void setfield_dalg(NODE alist) |
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current_numberfield = nf; |
current_numberfield = nf; |
vl = 0; |
vl = 0; |
for ( t = alist; t; t = NEXT(t) ) { |
for ( t = alist; t; t = NEXT(t) ) { |
clctalg(BDY((Alg)BDY(t)),&vl1); |
clctalg((P)BDY((Alg)BDY(t)),&vl1); |
mergev(ALG,vl,vl1,&vl2); vl = vl2; |
mergev(ALG,vl,vl1,&vl2); vl = vl2; |
} |
} |
for ( n = 0, vl1 = vl; vl1; vl1 = NEXT(vl1), n++ ); |
for ( n = 0, vl1 = vl; vl1; vl1 = NEXT(vl1), n++ ); |
Line 121 void qtodalg(Q q,DAlg *r) |
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Line 121 void qtodalg(Q q,DAlg *r) |
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*r = (DAlg)q; |
*r = (DAlg)q; |
else if ( NID(q) == N_Q ) { |
else if ( NID(q) == N_Q ) { |
if ( INT(q) ) { |
if ( INT(q) ) { |
muldc(CO,nf->one->nm,(P)q,&nm); |
muldc(CO,nf->one->nm,(Obj)q,&nm); |
MKDAlg(nm,ONE,*r); |
MKDAlg(nm,ONE,*r); |
} else { |
} else { |
NTOQ(NM(q),SGN(q),t); |
NTOQ(NM(q),SGN(q),t); |
muldc(CO,nf->one->nm,(P)t,&nm); |
muldc(CO,nf->one->nm,(Obj)t,&nm); |
NTOQ(DN(q),1,t); |
NTOQ(DN(q),1,t); |
MKDAlg(nm,t,*r); |
MKDAlg(nm,t,*r); |
} |
} |
Line 330 void algtodalg(Alg a,DAlg *r) |
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Line 330 void algtodalg(Alg a,DAlg *r) |
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case N_Q: |
case N_Q: |
c = (Q)a; |
c = (Q)a; |
if ( INT(c) ) { |
if ( INT(c) ) { |
muldc(CO,nf->one->nm,(P)c,&dp); |
muldc(CO,nf->one->nm,(Obj)c,&dp); |
MKDAlg(dp,ONE,*r); |
MKDAlg(dp,ONE,*r); |
} else { |
} else { |
NTOQ(NM(c),SGN(c),c1); |
NTOQ(NM(c),SGN(c),c1); |
NTOQ(DN(c),1,d1); |
NTOQ(DN(c),1,d1); |
muldc(CO,nf->one->nm,(P)c1,&dp); |
muldc(CO,nf->one->nm,(Obj)c1,&dp); |
MKDAlg(dp,d1,*r); |
MKDAlg(dp,d1,*r); |
} |
} |
break; |
break; |
Line 351 void algtodalg(Alg a,DAlg *r) |
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Line 351 void algtodalg(Alg a,DAlg *r) |
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mulpq(p,(P)nm,&p1); p = p1; |
mulpq(p,(P)nm,&p1); p = p1; |
} |
} |
current_spec = dp_current_spec; initd(nf->spec); |
current_spec = dp_current_spec; initd(nf->spec); |
get_vars(p,&vl); |
get_vars((Obj)p,&vl); |
for ( tvl = vl; tvl; tvl = NEXT(tvl) ) { |
for ( tvl = vl; tvl; tvl = NEXT(tvl) ) { |
v = tvl->v; |
v = tvl->v; |
for ( svl = nf->vl; svl; svl = NEXT(svl) ) |
for ( svl = nf->vl; svl; svl = NEXT(svl) ) |
Line 378 void dalgtoalg(DAlg da,Alg *r) |
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Line 378 void dalgtoalg(DAlg da,Alg *r) |
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if ( !(nf=current_numberfield) ) |
if ( !(nf=current_numberfield) ) |
error("dalgtoalg : current_numberfield is not set"); |
error("dalgtoalg : current_numberfield is not set"); |
dtop(ALG,nf->vl,da->nm,&p); |
if ( !da ) *r = 0; |
invq(da->dn,&inv); |
else { |
mulpq(p,(P)inv,&p1); |
dtop(ALG,nf->vl,da->nm,(Obj *)&p); |
MKAlg(p1,*r); |
invq(da->dn,&inv); |
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mulpq(p,(P)inv,&p1); |
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MKAlg(p1,*r); |
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} |
} |
} |
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void simpdalg(DAlg da,DAlg *r) |
void simpdalg(DAlg da,DAlg *r) |
Line 399 void simpdalg(DAlg da,DAlg *r) |
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Line 402 void simpdalg(DAlg da,DAlg *r) |
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return; |
return; |
} |
} |
current_spec = dp_current_spec; initd(nf->spec); |
current_spec = dp_current_spec; initd(nf->spec); |
dp_true_nf(nf->ind,da->nm,nf->ps,1,&nm,&dn); |
dp_true_nf(nf->ind,da->nm,nf->ps,1,&nm,(P *)&dn); |
if ( !nm ) *r = 0; |
if ( !nm ) *r = 0; |
else { |
else { |
initd(current_spec); |
initd(current_spec); |
Line 432 void adddalg(DAlg a,DAlg b,DAlg *c) |
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Line 435 void adddalg(DAlg a,DAlg b,DAlg *c) |
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divsn(NM(dna),gn,&an); divsn(NM(dnb),gn,&bn); |
divsn(NM(dna),gn,&an); divsn(NM(dnb),gn,&bn); |
NTOQ(an,SGN(dna),a1); NTOQ(bn,SGN(dnb),b1); |
NTOQ(an,SGN(dna),a1); NTOQ(bn,SGN(dnb),b1); |
/* nma/dna+nmb/dnb = (nma*b1+nmb*a1)/(dna*b1) */ |
/* nma/dna+nmb/dnb = (nma*b1+nmb*a1)/(dna*b1) */ |
muldc(CO,a->nm,(P)b1,&ta); muldc(CO,b->nm,(P)a1,&tb); |
muldc(CO,a->nm,(Obj)b1,&ta); muldc(CO,b->nm,(Obj)a1,&tb); |
current_spec = dp_current_spec; initd(nf->spec); |
current_spec = dp_current_spec; initd(nf->spec); |
addd(CO,ta,tb,&nm); |
addd(CO,ta,tb,&nm); |
initd(current_spec); |
initd(current_spec); |
Line 468 void subdalg(DAlg a,DAlg b,DAlg *c) |
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Line 471 void subdalg(DAlg a,DAlg b,DAlg *c) |
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divsn(NM(dna),gn,&an); divsn(NM(dnb),gn,&bn); |
divsn(NM(dna),gn,&an); divsn(NM(dnb),gn,&bn); |
NTOQ(an,SGN(dna),a1); NTOQ(bn,SGN(dnb),b1); |
NTOQ(an,SGN(dna),a1); NTOQ(bn,SGN(dnb),b1); |
/* nma/dna-nmb/dnb = (nma*b1-nmb*a1)/(dna*b1) */ |
/* nma/dna-nmb/dnb = (nma*b1-nmb*a1)/(dna*b1) */ |
muldc(CO,a->nm,(P)b1,&ta); muldc(CO,b->nm,(P)a1,&tb); |
muldc(CO,a->nm,(Obj)b1,&ta); muldc(CO,b->nm,(Obj)a1,&tb); |
current_spec = dp_current_spec; initd(nf->spec); |
current_spec = dp_current_spec; initd(nf->spec); |
subd(CO,ta,tb,&nm); |
subd(CO,ta,tb,&nm); |
initd(current_spec); |
initd(current_spec); |
Line 540 void rmcontdalg(DAlg a, DAlg *r) |
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Line 543 void rmcontdalg(DAlg a, DAlg *r) |
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gcdn(NM(cont),NM(a->dn),&gn); |
gcdn(NM(cont),NM(a->dn),&gn); |
divsn(NM(cont),gn,&cn); NTOQ(cn,SGN(cont),c); |
divsn(NM(cont),gn,&cn); NTOQ(cn,SGN(cont),c); |
divsn(NM(a->dn),gn,&dn); NTOQ(dn,SGN(a->dn),d); |
divsn(NM(a->dn),gn,&dn); NTOQ(dn,SGN(a->dn),d); |
muldc(CO,u,(P)c,&u1); |
muldc(CO,u,(Obj)c,&u1); |
MKDAlg(u1,d,*r); |
MKDAlg(u1,d,*r); |
} |
} |
} |
} |
Line 571 int invdalg(DAlg a,DAlg *c) |
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Line 574 int invdalg(DAlg a,DAlg *c) |
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error("invdalg : division by 0"); |
error("invdalg : division by 0"); |
else if ( NID(a) == N_Q ) { |
else if ( NID(a) == N_Q ) { |
invq((Q)a,&dn); *c = (DAlg)dn; |
invq((Q)a,&dn); *c = (DAlg)dn; |
return; |
return 1; |
} |
} |
dim = nf->dim; |
dim = nf->dim; |
mb = nf->mb; |
mb = nf->mb; |
Line 620 int invdalg(DAlg a,DAlg *c) |
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Line 623 int invdalg(DAlg a,DAlg *c) |
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for ( i = dim-1, mp0 = 0; i >= 0; i-- ) |
for ( i = dim-1, mp0 = 0; i >= 0; i-- ) |
if ( solmat[i][0] ) { |
if ( solmat[i][0] ) { |
NEXTMP(mp0,mp); |
NEXTMP(mp0,mp); |
mp->c = (P)solmat[i][0]; |
mp->c = (Obj)solmat[i][0]; |
mp->dl = BDY(mb[i])->dl; |
mp->dl = BDY(mb[i])->dl; |
} |
} |
NEXT(mp) = 0; MKDP(n,mp0,u); |
NEXT(mp) = 0; MKDP(n,mp0,u); |
Line 651 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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Line 654 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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struct order_spec *current_spec; |
struct order_spec *current_spec; |
struct oEGT eg0,eg1; |
struct oEGT eg0,eg1; |
extern struct oEGT eg_le; |
extern struct oEGT eg_le; |
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extern int DP_Print; |
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if ( !(nf=current_numberfield) ) |
if ( !(nf=current_numberfield) ) |
error("invdalg : current_numberfield is not set"); |
error("invdalg : current_numberfield is not set"); |
Line 658 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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Line 662 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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error("invdalg : division by 0"); |
error("invdalg : division by 0"); |
else if ( NID(a) == N_Q ) { |
else if ( NID(a) == N_Q ) { |
invq((Q)a,&dn); *c = (DAlg)dn; |
invq((Q)a,&dn); *c = (DAlg)dn; |
return; |
return 0; |
} |
} |
dim = nf->dim; |
dim = nf->dim; |
mb = nf->mb; |
mb = nf->mb; |
Line 666 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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Line 670 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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ln = ONEN; |
ln = ONEN; |
dp_ptozp(a->nm,&u); divq((Q)BDY(a->nm)->c,(Q)BDY(u)->c,&nmc); |
dp_ptozp(a->nm,&u); divq((Q)BDY(a->nm)->c,(Q)BDY(u)->c,&nmc); |
MKDAlg(u,ONE,a0); |
MKDAlg(u,ONE,a0); |
simp = (DAlg *)ALLOCA(dim*sizeof(DAlg)); |
simp = (DAlg *)MALLOC(dim*sizeof(DAlg)); |
current_spec = dp_current_spec; initd(nf->spec); |
current_spec = dp_current_spec; initd(nf->spec); |
for ( i = 0; i < dim; i++ ) { |
for ( i = 0; i < dim; i++ ) { |
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if ( DP_Print ) { fprintf(asir_out,"."); fflush(asir_out); } |
m = mb[i]; |
m = mb[i]; |
for ( j = i-1; j >= 0; j-- ) |
for ( j = i-1; j >= 0; j-- ) |
if ( dp_redble(m,mb[j]) ) |
if ( dp_redble(m,mb[j]) ) |
break; |
break; |
if ( j >= 0 ) { |
if ( j >= 0 ) { |
dp_subd(m,mb[j],&d); |
dp_subd(m,mb[j],&d); |
muld(CO,d,simp[j]->nm,&u); |
if ( simp[j] ) { |
MKDAlg(u,simp[j]->dn,t); |
muld(CO,d,simp[j]->nm,&u); |
simpdalg(t,&simp[i]); |
MKDAlg(u,simp[j]->dn,t); |
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simpdalg(t,&simp[i]); |
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} else |
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simp[i] = 0; |
} else { |
} else { |
MKDAlg(m,ONE,t); |
MKDAlg(m,ONE,t); |
muldalg(t,a0,&simp[i]); |
muldalg(t,a0,&simp[i]); |
} |
} |
gcdn(NM(simp[i]->dn),ln,&gn); divsn(ln,gn,&qn); |
if ( simp[i] ) { |
muln(NM(simp[i]->dn),qn,&ln); |
gcdn(NM(simp[i]->dn),ln,&gn); divsn(ln,gn,&qn); |
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muln(NM(simp[i]->dn),qn,&ln); |
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} |
} |
} |
initd(current_spec); |
initd(current_spec); |
NTOQ(ln,1,dn); |
NTOQ(ln,1,dn); |
Line 691 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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Line 701 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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mat = (Q **)BDY(mobj); |
mat = (Q **)BDY(mobj); |
mulq(dn,a->dn,&mat[0][dim]); |
mulq(dn,a->dn,&mat[0][dim]); |
for ( j = 0; j < dim; j++ ) { |
for ( j = 0; j < dim; j++ ) { |
divq(dn,simp[j]->dn,&mul); |
if ( simp[j] ) { |
for ( i = dim-1, mp = BDY(simp[j]->nm); mp && i >= 0; i-- ) |
divq(dn,simp[j]->dn,&mul); |
if ( dl_equal(n,BDY(mb[i])->dl,mp->dl) ) { |
for ( i = dim-1, mp = BDY(simp[j]->nm); mp && i >= 0; i-- ) |
mulq(mul,(Q)mp->c,&mat[i][j]); |
if ( dl_equal(n,BDY(mb[i])->dl,mp->dl) ) { |
mp = NEXT(mp); |
mulq(mul,(Q)mp->c,&mat[i][j]); |
} |
mp = NEXT(mp); |
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} |
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} |
} |
} |
get_eg(&eg0); |
get_eg(&eg0); |
rank = generic_gauss_elim_hensel(mobj,&sol,&dnsol,&rinfo,&cinfo); |
rank = generic_gauss_elim_hensel_dalg(mobj,mb,&sol,&dnsol,&rinfo,&cinfo); |
get_eg(&eg1); add_eg(&eg_le,&eg0,&eg1); |
get_eg(&eg1); add_eg(&eg_le,&eg0,&eg1); |
if ( cinfo[0] == dim ) { |
if ( cinfo[0] == dim ) { |
/* the input is invertible */ |
/* the input is invertible */ |
Line 707 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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Line 719 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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for ( i = dim-1, mp0 = 0; i >= 0; i-- ) |
for ( i = dim-1, mp0 = 0; i >= 0; i-- ) |
if ( solmat[i][0] ) { |
if ( solmat[i][0] ) { |
NEXTMP(mp0,mp); |
NEXTMP(mp0,mp); |
mp->c = (P)solmat[i][0]; |
mp->c = (Obj)solmat[i][0]; |
mp->dl = BDY(mb[i])->dl; |
mp->dl = BDY(mb[i])->dl; |
} |
} |
NEXT(mp) = 0; MKDP(n,mp0,u); |
NEXT(mp) = 0; MKDP(n,mp0,u); |
Line 717 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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Line 729 NODE inv_or_split_dalg(DAlg a,DAlg *c) |
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return 0; |
return 0; |
} else { |
} else { |
/* the input is not invertible */ |
/* the input is not invertible */ |
nparam = (dim+1)-rank; |
nparam = sol->col; |
/* the index 'dim' should not be in cinfo[] */ |
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solmat = (Q **)BDY(sol); |
solmat = (Q **)BDY(sol); |
for ( k = 0; k < nparam; k++ ) |
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if ( cinfo[k] == dim ) |
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error("invdalg : cannot happen"); |
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nd0 = 0; |
nd0 = 0; |
for ( k = 0; k < nparam; k++ ) { |
for ( k = 0; k < nparam; k++ ) { |
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/* construct a new basis element */ |
m = mb[cinfo[k]]; |
m = mb[cinfo[k]]; |
for ( ndt = nd0; ndt; ndt = NEXT(ndt) ) { |
mp0 = 0; |
if ( dp_redble(m,(DP)BDY(ndt)) ) break; |
NEXTMP(mp0,mp); |
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chsgnq(dnsol,&dn1); mp->c = (Obj)dn1; |
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mp->dl = BDY(m)->dl; |
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/* skip the last parameter */ |
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for ( l = rank-2; l >= 0; l-- ) { |
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if ( solmat[l][k] ) { |
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NEXTMP(mp0,mp); |
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mp->c = (Obj)solmat[l][k]; |
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mp->dl = BDY(mb[rinfo[l]])->dl; |
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} |
} |
} |
/* skip a redundunt basis element */ |
NEXT(mp) = 0; MKDP(n,mp0,u); |
if ( ndt ) continue; |
NEXTNODE(nd0,nd); |
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BDY(nd) = (pointer)u; |
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NEXT(nd) = 0; |
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} |
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NEXT(nd) = 0; |
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return nd0; |
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} |
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} |
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NODE dp_inv_or_split(NODE gb,DP f,struct order_spec *spec, DP *inv) |
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{ |
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int dim,n,i,j,k,l,nv; |
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DP *mb,*ps; |
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DP m,d,u,nm; |
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N ln,gn,qn; |
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DAlg *simp; |
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DAlg a0,r; |
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Q dn,dnsol,mul,nmc,dn1,iq; |
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MAT mobj,sol; |
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Q **mat,**solmat; |
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MP mp0,mp; |
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int *rinfo,*cinfo; |
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int rank,nparam; |
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NODE nd0,nd,ndt,ind,indt,t,mblist; |
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struct oEGT eg0,eg1; |
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extern struct oEGT eg_le; |
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extern int DP_Print; |
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initd(spec); |
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dp_ptozp(f,&u); f = u; |
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n = length(gb); |
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ps = (DP *)MALLOC(n*sizeof(DP)); |
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for ( ind = 0, i = 0, t = gb; i < n; i++, t = NEXT(t) ) { |
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ps[i] = (DP)BDY(t); |
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NEXTNODE(ind,indt); |
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STOQ(i,iq); BDY(indt) = iq; |
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} |
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if ( ind ) NEXT(indt) = 0; |
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dp_true_nf(ind,f,ps,1,&nm,(P *)&dn); |
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if ( !nm ) error("dp_inv_or_split : input is 0"); |
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f = nm; |
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dp_mbase(gb,&mblist); |
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dim = length(mblist); |
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mb = (DP *)MALLOC(dim*sizeof(DP)); |
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for ( i = 0, t = mblist; i < dim; i++, t = NEXT(t) ) |
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mb[dim-i-1] = (DP)BDY(t); |
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nv = mb[0]->nv; |
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ln = ONEN; |
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simp = (DAlg *)MALLOC(dim*sizeof(DAlg)); |
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for ( i = 0; i < dim; i++ ) { |
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if ( DP_Print ) { fprintf(asir_out,"."); fflush(asir_out); } |
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m = mb[i]; |
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for ( j = i-1; j >= 0; j-- ) |
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if ( dp_redble(m,mb[j]) ) |
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break; |
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if ( j >= 0 ) { |
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dp_subd(m,mb[j],&d); |
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if ( simp[j] ) { |
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muld(CO,d,simp[j]->nm,&u); |
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dp_true_nf(ind,u,ps,1,&nm,(P *)&dn); |
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mulq(simp[j]->dn,dn,&dn1); |
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MKDAlg(nm,dn1,simp[i]); |
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} else |
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simp[i] = 0; |
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} else { |
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dp_true_nf(ind,f,ps,1,&nm,(P *)&dn); |
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MKDAlg(nm,dn,simp[i]); |
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} |
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if ( simp[i] ) { |
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gcdn(NM(simp[i]->dn),ln,&gn); divsn(ln,gn,&qn); |
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muln(NM(simp[i]->dn),qn,&ln); |
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} |
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} |
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NTOQ(ln,1,dn); |
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MKMAT(mobj,dim,dim+1); |
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mat = (Q **)BDY(mobj); |
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mat[0][dim] = dn; |
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for ( j = 0; j < dim; j++ ) { |
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if ( simp[j] ) { |
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divq(dn,simp[j]->dn,&mul); |
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for ( i = dim-1, mp = BDY(simp[j]->nm); mp && i >= 0; i-- ) |
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if ( dl_equal(nv,BDY(mb[i])->dl,mp->dl) ) { |
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mulq(mul,(Q)mp->c,&mat[i][j]); |
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mp = NEXT(mp); |
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} |
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} |
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} |
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get_eg(&eg0); |
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rank = generic_gauss_elim_hensel_dalg(mobj,mb,&sol,&dnsol,&rinfo,&cinfo); |
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get_eg(&eg1); add_eg(&eg_le,&eg0,&eg1); |
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if ( cinfo[0] == dim ) { |
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/* the input is invertible */ |
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solmat = (Q **)BDY(sol); |
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for ( i = dim-1, mp0 = 0; i >= 0; i-- ) |
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if ( solmat[i][0] ) { |
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NEXTMP(mp0,mp); |
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mp->c = (Obj)solmat[i][0]; |
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mp->dl = BDY(mb[i])->dl; |
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} |
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NEXT(mp) = 0; MKDP(nv,mp0,*inv); |
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return 0; |
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} else { |
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/* the input is not invertible */ |
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nparam = sol->col; |
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solmat = (Q **)BDY(sol); |
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nd0 = 0; |
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for ( k = 0; k < nparam; k++ ) { |
/* construct a new basis element */ |
/* construct a new basis element */ |
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m = mb[cinfo[k]]; |
mp0 = 0; |
mp0 = 0; |
NEXTMP(mp0,mp); |
NEXTMP(mp0,mp); |
chsgnq(dnsol,&dn1); mp->c = (P)dn1; |
chsgnq(dnsol,&dn1); mp->c = (Obj)dn1; |
mp->dl = BDY(m)->dl; |
mp->dl = BDY(m)->dl; |
/* skip the last parameter */ |
/* skip the last parameter */ |
for ( l = rank-2; l >= 0; l-- ) { |
for ( l = rank-2; l >= 0; l-- ) { |
if ( solmat[l][k] ) { |
if ( solmat[l][k] ) { |
NEXTMP(mp0,mp); |
NEXTMP(mp0,mp); |
mp->c = (P)solmat[l][k]; |
mp->c = (Obj)solmat[l][k]; |
mp->dl = BDY(mb[rinfo[l]])->dl; |
mp->dl = BDY(mb[rinfo[l]])->dl; |
} |
} |
} |
} |
NEXT(mp) = 0; MKDP(n,mp0,u); |
NEXT(mp) = 0; MKDP(nv,mp0,u); |
NEXTNODE(nd0,nd); |
NEXTNODE(nd0,nd); |
BDY(nd) = (pointer)u; |
BDY(nd) = (pointer)u; |
NEXT(nd) = 0; |
NEXT(nd) = 0; |