version 1.22, 2002/12/27 07:37:57 |
version 1.28, 2004/02/05 08:28:53 |
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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/dp-supp.c,v 1.21 2002/01/28 00:54:41 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/dp-supp.c,v 1.27 2004/02/03 23:31:57 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "base.h" |
#include "base.h" |
Line 387 int have_sf_coef(P p) |
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Line 387 int have_sf_coef(P p) |
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} |
} |
} |
} |
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void head_coef(P p,Num *c) |
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{ |
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if ( !p ) |
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*c = 0; |
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else if ( NUM(p) ) |
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*c = (Num)p; |
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else |
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head_coef(COEF(DC(p)),c); |
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} |
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void dp_monic_sf(DP p,DP *rp) |
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{ |
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Num c; |
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if ( !p ) |
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*rp = 0; |
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else { |
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head_coef(BDY(p)->c,&c); |
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divsdc(CO,p,(P)c,rp); |
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} |
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} |
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void dp_prim(DP p,DP *rp) |
void dp_prim(DP p,DP *rp) |
{ |
{ |
P t,g; |
P t,g; |
Line 399 void dp_prim(DP p,DP *rp) |
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Line 421 void dp_prim(DP p,DP *rp) |
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if ( !p ) |
if ( !p ) |
*rp = 0; |
*rp = 0; |
else if ( dp_fcoeffs ) { |
else if ( dp_fcoeffs == N_GFS ) { |
for ( m = BDY(p); m; m = NEXT(m) ) { |
for ( m = BDY(p); m; m = NEXT(m) ) |
if ( OID(m->c) == O_N ) { |
if ( OID(m->c) == O_N ) { |
/* GCD of coeffs = 1 */ |
/* GCD of coeffs = 1 */ |
*rp = p; |
dp_monic_sf(p,rp); |
return; |
return; |
} else if ( have_sf_coef(m->c) ) { |
} else break; |
/* compute GCD over the finite fieid */ |
/* compute GCD over the finite fieid */ |
for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ ); |
for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ ); |
w = (P *)ALLOCA(n*sizeof(P)); |
w = (P *)ALLOCA(n*sizeof(P)); |
for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) |
for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) |
w[i] = m->c; |
w[i] = m->c; |
gcdsf(CO,w,n,&g); |
gcdsf(CO,w,n,&g); |
if ( NUM(g) ) |
if ( NUM(g) ) |
*rp = p; |
dp_monic_sf(p,rp); |
else { |
else { |
for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) { |
for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) { |
NEXTMP(mr0,mr); divsp(CO,m->c,g,&mr->c); mr->dl = m->dl; |
NEXTMP(mr0,mr); divsp(CO,m->c,g,&mr->c); mr->dl = m->dl; |
} |
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NEXT(mr) = 0; MKDP(p->nv,mr0,*rp); (*rp)->sugar = p->sugar; |
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} |
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return; |
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} |
} |
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NEXT(mr) = 0; MKDP(p->nv,mr0,p1); p1->sugar = p->sugar; |
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dp_monic_sf(p1,rp); |
} |
} |
/* all coeffs are poly over Q */ |
return; |
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} else if ( dp_fcoeffs ) |
*rp = p; |
*rp = p; |
} else if ( NoGCD ) |
else if ( NoGCD ) |
dp_ptozp(p,rp); |
dp_ptozp(p,rp); |
else { |
else { |
dp_ptozp(p,&p1); p = p1; |
dp_ptozp(p,&p1); p = p1; |
Line 728 void dp_red(DP p0,DP p1,DP p2,DP *head,DP *rest,P *dnp |
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Line 749 void dp_red(DP p0,DP p1,DP p2,DP *head,DP *rest,P *dnp |
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Q c,c1,c2; |
Q c,c1,c2; |
N gn,tn; |
N gn,tn; |
P g,a; |
P g,a; |
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P p[2]; |
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n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
NEWDL(d,n); d->td = d1->td - d2->td; |
NEWDL(d,n); d->td = d1->td - d2->td; |
for ( i = 0; i < n; i++ ) |
for ( i = 0; i < n; i++ ) |
d->d[i] = d1->d[i]-d2->d[i]; |
d->d[i] = d1->d[i]-d2->d[i]; |
c1 = (Q)BDY(p1)->c; c2 = (Q)BDY(p2)->c; |
c1 = (Q)BDY(p1)->c; c2 = (Q)BDY(p2)->c; |
if ( dp_fcoeffs ) { |
if ( dp_fcoeffs == N_GFS ) { |
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p[0] = (P)c1; p[1] = (P)c2; |
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gcdsf(CO,p,2,&g); |
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divsp(CO,(P)c1,g,&a); c1 = (Q)a; divsp(CO,(P)c2,g,&a); c2 = (Q)a; |
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} else if ( dp_fcoeffs ) { |
/* do nothing */ |
/* do nothing */ |
} else if ( INT(c1) && INT(c2) ) { |
} else if ( INT(c1) && INT(c2) ) { |
gcdn(NM(c1),NM(c2),&gn); |
gcdn(NM(c1),NM(c2),&gn); |
Line 1262 void dp_nf_tab_mod(DP p,LIST *tab,int mod,DP *rp) |
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Line 1288 void dp_nf_tab_mod(DP p,LIST *tab,int mod,DP *rp) |
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*rp = s; |
*rp = s; |
} |
} |
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void dp_nf_tab_f(DP p,LIST *tab,DP *rp) |
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{ |
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DP s,t,u; |
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MP m; |
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DL h; |
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int i,n; |
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if ( !p ) { |
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*rp = p; return; |
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} |
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n = p->nv; |
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for ( s = 0, i = 0, m = BDY(p); m; m = NEXT(m) ) { |
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h = m->dl; |
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while ( !dl_equal(n,h,BDY((DP)BDY(BDY(tab[i])))->dl ) ) |
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i++; |
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muldc(CO,(DP)BDY(NEXT(BDY(tab[i]))),m->c,&t); |
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addd(CO,s,t,&u); s = u; |
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} |
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*rp = s; |
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} |
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/* |
/* |
* setting flags |
* setting flags |
* |
* |
*/ |
*/ |
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int create_order_spec(Obj obj,struct order_spec *spec) |
int create_order_spec(VL vl,Obj obj,struct order_spec **specp) |
{ |
{ |
int i,j,n,s,row,col; |
int i,j,n,s,row,col; |
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struct order_spec *spec; |
struct order_pair *l; |
struct order_pair *l; |
NODE node,t,tn; |
NODE node,t,tn; |
MAT m; |
MAT m; |
pointer **b; |
pointer **b; |
int **w; |
int **w; |
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if ( vl && obj && OID(obj) == O_LIST ) |
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return create_composite_order_spec(vl,(LIST)obj,specp); |
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*specp = spec = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
if ( !obj || NUM(obj) ) { |
if ( !obj || NUM(obj) ) { |
spec->id = 0; spec->obj = obj; |
spec->id = 0; spec->obj = obj; |
spec->ord.simple = QTOS((Q)obj); |
spec->ord.simple = QTOS((Q)obj); |
Line 1307 int create_order_spec(Obj obj,struct order_spec *spec) |
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Line 1359 int create_order_spec(Obj obj,struct order_spec *spec) |
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return 0; |
return 0; |
} |
} |
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void print_composite_order_spec(struct order_spec *spec) |
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{ |
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int nv,n,len,i,j,k,start; |
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struct weight_or_block *worb; |
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nv = spec->nv; |
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n = spec->ord.composite.length; |
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worb = spec->ord.composite.w_or_b; |
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for ( i = 0; i < n; i++, worb++ ) { |
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len = worb->length; |
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printf("[ "); |
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switch ( worb->type ) { |
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case IS_DENSE_WEIGHT: |
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for ( j = 0; j < len; j++ ) |
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printf("%d ",worb->body.dense_weight[j]); |
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for ( ; j < nv; j++ ) |
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printf("0 "); |
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break; |
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case IS_SPARSE_WEIGHT: |
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for ( j = 0, k = 0; j < nv; j++ ) |
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if ( j == worb->body.sparse_weight[k].pos ) |
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printf("%d ",worb->body.sparse_weight[k++].value); |
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else |
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printf("0 "); |
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break; |
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case IS_BLOCK: |
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start = worb->body.block.start; |
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for ( j = 0; j < start; j++ ) printf("0 "); |
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switch ( worb->body.block.order ) { |
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case 0: |
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for ( k = 0; k < len; k++, j++ ) printf("R "); |
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break; |
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case 1: |
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for ( k = 0; k < len; k++, j++ ) printf("G "); |
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break; |
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case 2: |
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for ( k = 0; k < len; k++, j++ ) printf("L "); |
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break; |
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} |
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for ( ; j < nv; j++ ) printf("0 "); |
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break; |
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} |
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printf("]\n"); |
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} |
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} |
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/* order = [w_or_b, w_or_b, ... ] */ |
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/* w_or_b = w or b */ |
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/* w = [1,2,...] or [x,1,y,2,...] */ |
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/* b = [@lex,x,y,...,z] etc */ |
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int create_composite_order_spec(VL vl,LIST order,struct order_spec **specp) |
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{ |
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NODE wb,t,p; |
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struct order_spec *spec; |
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VL tvl; |
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int n,i,j,k,l,len; |
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int *dw; |
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struct sparse_weight *sw; |
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struct weight_or_block *w_or_b; |
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Obj a0; |
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NODE a; |
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V v; |
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Symbol sym; |
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int start; |
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/* l = number of vars in vl */ |
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for ( l = 0, tvl = vl; tvl; tvl = NEXT(tvl), l++ ); |
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/* n = number of primitives in order */ |
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wb = BDY(order); |
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n = length(wb); |
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*specp = spec = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
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spec->id = 3; |
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spec->obj = (Obj)order; |
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spec->nv = l; |
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spec->ord.composite.length = n; |
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w_or_b = spec->ord.composite.w_or_b = (struct weight_or_block *) |
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MALLOC(sizeof(struct weight_or_block)*n); |
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for ( t = wb, i = 0; t; t = NEXT(t), i++ ) { |
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a = BDY((LIST)BDY(t)); |
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len = length(a); |
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a0 = (Obj)BDY(a); |
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if ( !a0 || OID(a0) == O_N ) { |
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/* a is a dense weight vector */ |
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dw = (int *)MALLOC(sizeof(int)*len); |
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for ( j = 0, p = a; j < len; p = NEXT(p), j++ ) |
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dw[j] = QTOS((Q)BDY(p)); |
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w_or_b[i].type = IS_DENSE_WEIGHT; |
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w_or_b[i].length = len; |
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w_or_b[i].body.dense_weight = dw; |
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} else if ( OID(a0) == O_P ) { |
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/* a is a sparse weight vector */ |
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len >>= 1; |
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sw = (struct sparse_weight *) |
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MALLOC(sizeof(struct sparse_weight)*len); |
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for ( j = 0, p = a; j < len; j++ ) { |
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v = VR((P)BDY(p)); p = NEXT(p); |
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for ( tvl = vl, k = 0; tvl && tvl->v != v; |
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k++, tvl = NEXT(tvl) ); |
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if ( !tvl ) |
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error("invalid variable name"); |
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sw[j].pos = k; |
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sw[j].value = QTOS((Q)BDY(p)); p = NEXT(p); |
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} |
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w_or_b[i].type = IS_SPARSE_WEIGHT; |
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w_or_b[i].length = len; |
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w_or_b[i].body.sparse_weight = sw; |
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} else if ( OID(a0) == O_SYMBOL ) { |
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/* a is a block */ |
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sym = (Symbol)a0; a = NEXT(a); len--; |
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for ( start = 0, tvl = vl; tvl->v != VR((P)BDY(a)); |
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tvl = NEXT(tvl), start++ ); |
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for ( p = NEXT(a), tvl = NEXT(tvl); p; |
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p = NEXT(p), tvl = NEXT(tvl) ) |
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if ( tvl->v != VR((P)BDY(p)) ) break; |
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if ( p ) |
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error("a block must be contiguous"); |
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w_or_b[i].type = IS_BLOCK; |
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w_or_b[i].length = len; |
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w_or_b[i].body.block.start = start; |
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if ( !strcmp(sym->name,"@grlex") ) |
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w_or_b[i].body.block.order = 0; |
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else if ( !strcmp(sym->name,"@glex") ) |
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w_or_b[i].body.block.order = 1; |
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else if ( !strcmp(sym->name,"@lex") ) |
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w_or_b[i].body.block.order = 2; |
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else |
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error("invalid ordernam"); |
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} |
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} |
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if ( 1 ) print_composite_order_spec(spec); |
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} |
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/* |
/* |
* converters |
* converters |
* |
* |
Line 1404 void dp_rat(DP p,DP *rp) |
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Line 1589 void dp_rat(DP p,DP *rp) |
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} |
} |
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void homogenize_order(struct order_spec *old,int n,struct order_spec *new) |
void homogenize_order(struct order_spec *old,int n,struct order_spec **newp) |
{ |
{ |
struct order_pair *l; |
struct order_pair *l; |
int length,nv,row,i,j; |
int length,nv,row,i,j; |
int **newm,**oldm; |
int **newm,**oldm; |
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struct order_spec *new; |
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*newp = new = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
switch ( old->id ) { |
switch ( old->id ) { |
case 0: |
case 0: |
switch ( old->ord.simple ) { |
switch ( old->ord.simple ) { |
Line 1649 void _print_mp(int nv,MP m) |
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Line 1836 void _print_mp(int nv,MP m) |
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} |
} |
fprintf(stderr,"\n"); |
fprintf(stderr,"\n"); |
} |
} |
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static int cmp_mp_nvar; |
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int comp_mp(MP *a,MP *b) |
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{ |
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return -(*cmpdl)(cmp_mp_nvar,(*a)->dl,(*b)->dl); |
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} |
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void dp_sort(DP p,DP *rp) |
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{ |
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MP t,mp,mp0; |
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int i,n; |
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DP r; |
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MP *w; |
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if ( !p ) { |
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*rp = 0; |
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return; |
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} |
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for ( t = BDY(p), n = 0; t; t = NEXT(t), n++ ); |
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w = (MP *)ALLOCA(n*sizeof(MP)); |
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for ( t = BDY(p), i = 0; i < n; t = NEXT(t), i++ ) |
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w[i] = t; |
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cmp_mp_nvar = NV(p); |
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qsort(w,n,sizeof(MP),(int (*)(const void *,const void *))comp_mp); |
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mp0 = 0; |
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for ( i = n-1; i >= 0; i-- ) { |
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NEWMP(mp); mp->dl = w[i]->dl; C(mp) = C(w[i]); |
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NEXT(mp) = mp0; mp0 = mp; |
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} |
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MKDP(p->nv,mp0,r); |
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r->sugar = p->sugar; |
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*rp = r; |
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} |
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