| version 1.29, 2004/02/09 08:23:29 |
version 1.42, 2007/09/06 02:23:40 |
|
|
| * 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 1.28 2004/02/05 08:28:53 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/dp-supp.c,v 1.41 2007/08/21 23:53:00 noro Exp $ |
| */ |
*/ |
| #include "ca.h" |
#include "ca.h" |
| #include "base.h" |
#include "base.h" |
| Line 62 extern int NoGCD; |
|
| Line 62 extern int NoGCD; |
|
| extern int GenTrace; |
extern int GenTrace; |
| extern NODE TraceList; |
extern NODE TraceList; |
| |
|
| |
int show_orderspec; |
| |
|
| |
void print_composite_order_spec(struct order_spec *spec); |
| |
|
| /* |
/* |
| * content reduction |
* content reduction |
| * |
* |
| Line 118 void dp_ptozp2(DP p0,DP p1,DP *hp,DP *rp) |
|
| Line 122 void dp_ptozp2(DP p0,DP p1,DP *hp,DP *rp) |
|
| *hp = h; *rp = r; |
*hp = h; *rp = r; |
| } |
} |
| |
|
| |
void dp_ptozp3(DP p,Q *dvr,DP *rp) |
| |
{ |
| |
MP m,mr,mr0; |
| |
int i,n; |
| |
Q *w; |
| |
P t; |
| |
|
| |
if ( !p ) { |
| |
*rp = 0; *dvr = 0; |
| |
}else { |
| |
for ( m =BDY(p), n = 0; m; m = NEXT(m), n++ ); |
| |
w = (Q *)ALLOCA(n*sizeof(Q)); |
| |
for ( m =BDY(p), i = 0; i < n; m = NEXT(m), i++ ) |
| |
if ( NUM(m->c) ) |
| |
w[i] = (Q)m->c; |
| |
else |
| |
ptozp(m->c,1,&w[i],&t); |
| |
sortbynm(w,n); |
| |
qltozl(w,n,dvr); |
| |
for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) { |
| |
NEXTMP(mr0,mr); divsp(CO,m->c,(P)(*dvr),&mr->c); mr->dl = m->dl; |
| |
} |
| |
NEXT(mr) = 0; MKDP(p->nv,mr0,*rp); (*rp)->sugar = p->sugar; |
| |
} |
| |
} |
| |
|
| void dp_idiv(DP p,Q c,DP *rp) |
void dp_idiv(DP p,Q c,DP *rp) |
| { |
{ |
| Q t; |
Q t; |
| Line 481 void heu_nezgcdnpz(VL vl,P *pl,int m,P *pr) |
|
| Line 511 void heu_nezgcdnpz(VL vl,P *pl,int m,P *pr) |
|
| int i,r; |
int i,r; |
| P gcd,t,s1,s2,u; |
P gcd,t,s1,s2,u; |
| Q rq; |
Q rq; |
| |
DCP dc; |
| |
extern int DP_Print; |
| |
|
| while ( 1 ) { |
while ( 1 ) { |
| for ( i = 0, s1 = 0; i < m; i++ ) { |
for ( i = 0, s1 = 0; i < m; i++ ) { |
| r = random(); UTOQ(r,rq); |
r = random(); UTOQ(r,rq); |
| Line 492 void heu_nezgcdnpz(VL vl,P *pl,int m,P *pr) |
|
| Line 524 void heu_nezgcdnpz(VL vl,P *pl,int m,P *pr) |
|
| mulp(vl,pl[i],(P)rq,&t); addp(vl,s2,t,&u); s2 = u; |
mulp(vl,pl[i],(P)rq,&t); addp(vl,s2,t,&u); s2 = u; |
| } |
} |
| ezgcdp(vl,s1,s2,&gcd); |
ezgcdp(vl,s1,s2,&gcd); |
| |
if ( DP_Print > 2 ) |
| |
{ fprintf(asir_out,"(%d)",nmonop(gcd)); fflush(asir_out); } |
| for ( i = 0; i < m; i++ ) { |
for ( i = 0; i < m; i++ ) { |
| if ( !divtpz(vl,pl[i],gcd,&t) ) |
if ( !divtpz(vl,pl[i],gcd,&t) ) |
| break; |
break; |
| Line 779 void dp_red(DP p0,DP p1,DP p2,DP *head,DP *rest,P *dnp |
|
| Line 813 void dp_red(DP p0,DP p1,DP p2,DP *head,DP *rest,P *dnp |
|
| *head = h; *rest = r; *dnp = (P)c2; |
*head = h; *rest = r; *dnp = (P)c2; |
| } |
} |
| |
|
| |
/* |
| |
* m-reduction by a marked poly |
| |
* do content reduction over Z or Q(x,...) |
| |
* do nothing over finite fields |
| |
* |
| |
*/ |
| |
|
| |
|
| |
void dp_red_marked(DP p0,DP p1,DP p2,DP hp2,DP *head,DP *rest,P *dnp,DP *multp) |
| |
{ |
| |
int i,n; |
| |
DL d1,d2,d; |
| |
MP m; |
| |
DP t,s,r,h; |
| |
Q c,c1,c2; |
| |
N gn,tn; |
| |
P g,a; |
| |
P p[2]; |
| |
|
| |
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(hp2)->dl; |
| |
NEWDL(d,n); d->td = d1->td - d2->td; |
| |
for ( i = 0; i < n; i++ ) |
| |
d->d[i] = d1->d[i]-d2->d[i]; |
| |
c1 = (Q)BDY(p1)->c; c2 = (Q)BDY(hp2)->c; |
| |
if ( dp_fcoeffs == N_GFS ) { |
| |
p[0] = (P)c1; p[1] = (P)c2; |
| |
gcdsf(CO,p,2,&g); |
| |
divsp(CO,(P)c1,g,&a); c1 = (Q)a; divsp(CO,(P)c2,g,&a); c2 = (Q)a; |
| |
} else if ( dp_fcoeffs ) { |
| |
/* do nothing */ |
| |
} else if ( INT(c1) && INT(c2) ) { |
| |
gcdn(NM(c1),NM(c2),&gn); |
| |
if ( !UNIN(gn) ) { |
| |
divsn(NM(c1),gn,&tn); NTOQ(tn,SGN(c1),c); c1 = c; |
| |
divsn(NM(c2),gn,&tn); NTOQ(tn,SGN(c2),c); c2 = c; |
| |
} |
| |
} else { |
| |
ezgcdpz(CO,(P)c1,(P)c2,&g); |
| |
divsp(CO,(P)c1,g,&a); c1 = (Q)a; divsp(CO,(P)c2,g,&a); c2 = (Q)a; |
| |
} |
| |
NEWMP(m); m->dl = d; chsgnp((P)c1,&m->c); NEXT(m) = 0; MKDP(n,m,s); s->sugar = d->td; |
| |
*multp = s; |
| |
muld(CO,s,p2,&t); muldc(CO,p1,(P)c2,&s); addd(CO,s,t,&r); |
| |
muldc(CO,p0,(P)c2,&h); |
| |
*head = h; *rest = r; *dnp = (P)c2; |
| |
} |
| |
|
| /* m-reduction over a field */ |
/* m-reduction over a field */ |
| |
|
| void dp_red_f(DP p1,DP p2,DP *rest) |
void dp_red_f(DP p1,DP p2,DP *rest) |
| Line 927 void dp_true_nf(NODE b,DP g,DP *ps,int full,DP *rp,P * |
|
| Line 1008 void dp_true_nf(NODE b,DP g,DP *ps,int full,DP *rp,P * |
|
| *rp = d; *dnp = dn; |
*rp = d; *dnp = dn; |
| } |
} |
| |
|
| |
/* true nf by a marked GB */ |
| |
|
| |
void dp_true_nf_marked(NODE b,DP g,DP *ps,DP *hps,DP *rp,P *dnp) |
| |
{ |
| |
DP u,p,d,s,t,dmy,hp; |
| |
NODE l; |
| |
MP m,mr; |
| |
int i,n; |
| |
int *wb; |
| |
int sugar,psugar; |
| |
P dn,tdn,tdn1; |
| |
|
| |
dn = (P)ONE; |
| |
if ( !g ) { |
| |
*rp = 0; *dnp = dn; return; |
| |
} |
| |
for ( n = 0, l = b; l; l = NEXT(l), n++ ); |
| |
wb = (int *)ALLOCA(n*sizeof(int)); |
| |
for ( i = 0, l = b; i < n; l = NEXT(l), i++ ) |
| |
wb[i] = QTOS((Q)BDY(l)); |
| |
sugar = g->sugar; |
| |
for ( d = 0; g; ) { |
| |
for ( u = 0, i = 0; i < n; i++ ) { |
| |
if ( dp_redble(g,hp = hps[wb[i]]) ) { |
| |
p = ps[wb[i]]; |
| |
dp_red_marked(d,g,p,hp,&t,&u,&tdn,&dmy); |
| |
psugar = (BDY(g)->dl->td - BDY(p)->dl->td) + p->sugar; |
| |
sugar = MAX(sugar,psugar); |
| |
if ( !u ) { |
| |
if ( d ) |
| |
d->sugar = sugar; |
| |
*rp = d; *dnp = dn; return; |
| |
} else { |
| |
d = t; |
| |
mulp(CO,dn,tdn,&tdn1); dn = tdn1; |
| |
} |
| |
break; |
| |
} |
| |
} |
| |
if ( u ) |
| |
g = u; |
| |
else { |
| |
m = BDY(g); NEWMP(mr); mr->dl = m->dl; mr->c = m->c; |
| |
NEXT(mr) = 0; MKDP(g->nv,mr,t); t->sugar = mr->dl->td; |
| |
addd(CO,d,t,&s); d = s; |
| |
dp_rest(g,&t); g = t; |
| |
} |
| |
} |
| |
if ( d ) |
| |
d->sugar = sugar; |
| |
*rp = d; *dnp = dn; |
| |
} |
| |
|
| /* nf computation over Z */ |
/* nf computation over Z */ |
| |
|
| void dp_nf_z(NODE b,DP g,DP *ps,int full,int multiple,DP *rp) |
void dp_nf_z(NODE b,DP g,DP *ps,int full,int multiple,DP *rp) |
| Line 1311 void dp_nf_tab_f(DP p,LIST *tab,DP *rp) |
|
| Line 1445 void dp_nf_tab_f(DP p,LIST *tab,DP *rp) |
|
| |
|
| /* |
/* |
| * setting flags |
* setting flags |
| |
* call create_order_spec with vl=0 to set old type order. |
| * |
* |
| */ |
*/ |
| |
|
| int create_order_spec(VL vl,Obj obj,struct order_spec **specp) |
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,ret; |
| struct order_spec *spec; |
struct order_spec *spec; |
| struct order_pair *l; |
struct order_pair *l; |
| NODE node,t,tn; |
NODE node,t,tn; |
| Line 1324 int create_order_spec(VL vl,Obj obj,struct order_spec |
|
| Line 1459 int create_order_spec(VL vl,Obj obj,struct order_spec |
|
| pointer **b; |
pointer **b; |
| int **w; |
int **w; |
| |
|
| if ( vl && obj && OID(obj) == O_LIST ) |
if ( vl && obj && OID(obj) == O_LIST ) { |
| return create_composite_order_spec(vl,(LIST)obj,specp); |
ret = create_composite_order_spec(vl,(LIST)obj,specp); |
| |
if ( show_orderspec ) |
| |
print_composite_order_spec(*specp); |
| |
return ret; |
| |
} |
| |
|
| *specp = spec = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
*specp = spec = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
| if ( !obj || NUM(obj) ) { |
if ( !obj || NUM(obj) ) { |
| Line 1405 void print_composite_order_spec(struct order_spec *spe |
|
| Line 1544 void print_composite_order_spec(struct order_spec *spe |
|
| } |
} |
| } |
} |
| |
|
| |
struct order_spec *append_block(struct order_spec *spec, |
| |
int nv,int nalg,int ord) |
| |
{ |
| |
MAT m,mat; |
| |
int i,j,row,col,n; |
| |
Q **b,**wp; |
| |
int **w; |
| |
NODE t,s,s0; |
| |
struct order_pair *l,*l0; |
| |
int n0,nv0; |
| |
LIST list0,list1,list; |
| |
Q oq,nq; |
| |
struct order_spec *r; |
| |
|
| |
r = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
| |
switch ( spec->id ) { |
| |
case 0: |
| |
STOQ(spec->ord.simple,oq); STOQ(nv,nq); |
| |
t = mknode(2,oq,nq); MKLIST(list0,t); |
| |
STOQ(ord,oq); STOQ(nalg,nq); |
| |
t = mknode(2,oq,nq); MKLIST(list1,t); |
| |
t = mknode(2,list0,list1); MKLIST(list,t); |
| |
l = (struct order_pair *)MALLOC_ATOMIC(2*sizeof(struct order_pair)); |
| |
l[0].order = spec->ord.simple; l[0].length = nv; |
| |
l[1].order = ord; l[1].length = nalg; |
| |
r->id = 1; r->obj = (Obj)list; |
| |
r->ord.block.order_pair = l; |
| |
r->ord.block.length = 2; |
| |
r->nv = nv+nalg; |
| |
break; |
| |
case 1: |
| |
if ( spec->nv != nv ) |
| |
error("append_block : number of variables mismatch"); |
| |
l0 = spec->ord.block.order_pair; |
| |
n0 = spec->ord.block.length; |
| |
nv0 = spec->nv; |
| |
list0 = (LIST)spec->obj; |
| |
n = n0+1; |
| |
l = (struct order_pair *)MALLOC_ATOMIC(n*sizeof(struct order_pair)); |
| |
for ( i = 0; i < n0; i++ ) |
| |
l[i] = l0[i]; |
| |
l[i].order = ord; l[i].length = nalg; |
| |
for ( t = BDY(list0), s0 = 0; t; t = NEXT(t) ) { |
| |
NEXTNODE(s0,s); BDY(s) = BDY(t); |
| |
} |
| |
STOQ(ord,oq); STOQ(nalg,nq); |
| |
t = mknode(2,oq,nq); MKLIST(list,t); |
| |
NEXTNODE(s0,s); BDY(s) = (pointer)list; NEXT(s) = 0; |
| |
MKLIST(list,s0); |
| |
r->id = 1; r->obj = (Obj)list; |
| |
r->ord.block.order_pair = l; |
| |
r->ord.block.length = n; |
| |
r->nv = nv+nalg; |
| |
break; |
| |
case 2: |
| |
if ( spec->nv != nv ) |
| |
error("append_block : number of variables mismatch"); |
| |
m = (MAT)spec->obj; |
| |
row = m->row; col = m->col; b = (Q **)BDY(m); |
| |
w = almat(row+nalg,col+nalg); |
| |
MKMAT(mat,row+nalg,col+nalg); wp = (Q **)BDY(mat); |
| |
for ( i = 0; i < row; i++ ) |
| |
for ( j = 0; j < col; j++ ) { |
| |
w[i][j] = QTOS(b[i][j]); |
| |
wp[i][j] = b[i][j]; |
| |
} |
| |
for ( i = 0; i < nalg; i++ ) { |
| |
w[i+row][i+col] = 1; |
| |
wp[i+row][i+col] = ONE; |
| |
} |
| |
r->id = 2; r->obj = (Obj)mat; |
| |
r->nv = col+nalg; r->ord.matrix.row = row+nalg; |
| |
r->ord.matrix.matrix = w; |
| |
break; |
| |
case 3: |
| |
default: |
| |
/* XXX */ |
| |
error("append_block : not implemented yet"); |
| |
} |
| |
return r; |
| |
} |
| |
|
| |
int comp_sw(struct sparse_weight *a, struct sparse_weight *b) |
| |
{ |
| |
if ( a->pos > b->pos ) return 1; |
| |
else if ( a->pos < b->pos ) return -1; |
| |
else return 0; |
| |
} |
| |
|
| /* order = [w_or_b, w_or_b, ... ] */ |
/* order = [w_or_b, w_or_b, ... ] */ |
| /* w_or_b = w or b */ |
/* w_or_b = w or b */ |
| /* w = [1,2,...] or [x,1,y,2,...] */ |
/* w = [1,2,...] or [x,1,y,2,...] */ |
| Line 1443 int create_composite_order_spec(VL vl,LIST order,struc |
|
| Line 1671 int create_composite_order_spec(VL vl,LIST order,struc |
|
| for ( i = 0; i < l; i++ ) top[i] = 0; |
for ( i = 0; i < l; i++ ) top[i] = 0; |
| |
|
| for ( t = wb, i = 0; t; t = NEXT(t), i++ ) { |
for ( t = wb, i = 0; t; t = NEXT(t), i++ ) { |
| |
if ( !BDY(t) || OID((Obj)BDY(t)) != O_LIST ) |
| |
error("a list of lists must be specified for the key \"order\""); |
| a = BDY((LIST)BDY(t)); |
a = BDY((LIST)BDY(t)); |
| len = length(a); |
len = length(a); |
| a0 = (Obj)BDY(a); |
a0 = (Obj)BDY(a); |
| if ( !a0 || OID(a0) == O_N ) { |
if ( !a0 || OID(a0) == O_N ) { |
| /* a is a dense weight vector */ |
/* a is a dense weight vector */ |
| dw = (int *)MALLOC(sizeof(int)*len); |
dw = (int *)MALLOC(sizeof(int)*len); |
| for ( j = 0, p = a; j < len; p = NEXT(p), j++ ) |
for ( j = 0, p = a; j < len; p = NEXT(p), j++ ) { |
| |
if ( !INT((Q)BDY(p)) ) |
| |
error("a dense weight vector must be specified as a list of integers"); |
| dw[j] = QTOS((Q)BDY(p)); |
dw[j] = QTOS((Q)BDY(p)); |
| |
} |
| w_or_b[i].type = IS_DENSE_WEIGHT; |
w_or_b[i].type = IS_DENSE_WEIGHT; |
| w_or_b[i].length = len; |
w_or_b[i].length = len; |
| w_or_b[i].body.dense_weight = dw; |
w_or_b[i].body.dense_weight = dw; |
| Line 1465 int create_composite_order_spec(VL vl,LIST order,struc |
|
| Line 1698 int create_composite_order_spec(VL vl,LIST order,struc |
|
| sw = (struct sparse_weight *) |
sw = (struct sparse_weight *) |
| MALLOC(sizeof(struct sparse_weight)*len); |
MALLOC(sizeof(struct sparse_weight)*len); |
| for ( j = 0, p = a; j < len; j++ ) { |
for ( j = 0, p = a; j < len; j++ ) { |
| |
if ( !BDY(p) || OID((P)BDY(p)) != O_P ) |
| |
error("a sparse weight vector must be specified as [var1,weight1,...]"); |
| v = VR((P)BDY(p)); p = NEXT(p); |
v = VR((P)BDY(p)); p = NEXT(p); |
| for ( tvl = vl, k = 0; tvl && tvl->v != v; |
for ( tvl = vl, k = 0; tvl && tvl->v != v; |
| k++, tvl = NEXT(tvl) ); |
k++, tvl = NEXT(tvl) ); |
| if ( !tvl ) |
if ( !tvl ) |
| error("invalid variable name"); |
error("invalid variable name in a sparse weight vector"); |
| sw[j].pos = k; |
sw[j].pos = k; |
| |
if ( !INT((Q)BDY(p)) ) |
| |
error("a sparse weight vector must be specified as [var1,weight1,...]"); |
| sw[j].value = QTOS((Q)BDY(p)); p = NEXT(p); |
sw[j].value = QTOS((Q)BDY(p)); p = NEXT(p); |
| } |
} |
| |
qsort(sw,len,sizeof(struct sparse_weight), |
| |
(int (*)(const void *,const void *))comp_sw); |
| w_or_b[i].type = IS_SPARSE_WEIGHT; |
w_or_b[i].type = IS_SPARSE_WEIGHT; |
| w_or_b[i].length = len; |
w_or_b[i].length = len; |
| w_or_b[i].body.sparse_weight = sw; |
w_or_b[i].body.sparse_weight = sw; |
| Line 1522 int create_composite_order_spec(VL vl,LIST order,struc |
|
| Line 1761 int create_composite_order_spec(VL vl,LIST order,struc |
|
| for ( start = 0, tvl = vl; tvl->v != VR((P)BDY(a)); |
for ( start = 0, tvl = vl; tvl->v != VR((P)BDY(a)); |
| tvl = NEXT(tvl), start++ ); |
tvl = NEXT(tvl), start++ ); |
| for ( p = NEXT(a), tvl = NEXT(tvl); p; |
for ( p = NEXT(a), tvl = NEXT(tvl); p; |
| p = NEXT(p), tvl = NEXT(tvl) ) |
p = NEXT(p), tvl = NEXT(tvl) ) { |
| |
if ( !BDY(p) || OID((P)BDY(p)) != O_P ) |
| |
error("a block must be specified as [ordsymbol,var1,var2,...]"); |
| if ( tvl->v != VR((P)BDY(p)) ) break; |
if ( tvl->v != VR((P)BDY(p)) ) break; |
| |
} |
| if ( p ) |
if ( p ) |
| error("a block must be contiguous"); |
error("a block must be contiguous in the variable list"); |
| } |
} |
| w_or_b[i].type = IS_BLOCK; |
w_or_b[i].type = IS_BLOCK; |
| w_or_b[i].length = len; |
w_or_b[i].length = len; |
| Line 1552 int create_composite_order_spec(VL vl,LIST order,struc |
|
| Line 1794 int create_composite_order_spec(VL vl,LIST order,struc |
|
| w_or_b[n].body.block.order = 0; |
w_or_b[n].body.block.order = 0; |
| spec->ord.composite.length = n+1; |
spec->ord.composite.length = n+1; |
| } |
} |
| if ( 1 ) print_composite_order_spec(spec); |
|
| } |
} |
| |
|
| |
/* module order spec */ |
| |
|
| |
void create_modorder_spec(int id,LIST shift,struct modorder_spec **s) |
| |
{ |
| |
struct modorder_spec *spec; |
| |
NODE n,t; |
| |
LIST list; |
| |
int *ds; |
| |
int i,l; |
| |
Q q; |
| |
|
| |
*s = spec = (struct modorder_spec *)MALLOC(sizeof(struct modorder_spec)); |
| |
spec->id = id; |
| |
if ( shift ) { |
| |
n = BDY(shift); |
| |
spec->len = l = length(n); |
| |
spec->degree_shift = ds = (int *)MALLOC_ATOMIC(l*sizeof(int)); |
| |
for ( t = n, i = 0; t; t = NEXT(t), i++ ) |
| |
ds[i] = QTOS((Q)BDY(t)); |
| |
} else { |
| |
spec->len = 0; |
| |
spec->degree_shift = 0; |
| |
} |
| |
STOQ(id,q); |
| |
n = mknode(2,q,shift); |
| |
MKLIST(list,n); |
| |
spec->obj = (Obj)list; |
| |
} |
| |
|
| /* |
/* |
| * converters |
* converters |
| * |
* |
| Line 1658 void homogenize_order(struct order_spec *old,int n,str |
|
| Line 1928 void homogenize_order(struct order_spec *old,int n,str |
|
| int length,nv,row,i,j; |
int length,nv,row,i,j; |
| int **newm,**oldm; |
int **newm,**oldm; |
| struct order_spec *new; |
struct order_spec *new; |
| |
int onv,nnv,nlen,olen,owlen; |
| |
struct weight_or_block *owb,*nwb; |
| |
|
| *newp = new = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
*newp = new = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
| switch ( old->id ) { |
switch ( old->id ) { |
| Line 1708 void homogenize_order(struct order_spec *old,int n,str |
|
| Line 1980 void homogenize_order(struct order_spec *old,int n,str |
|
| new->id = 2; new->nv = nv+1; |
new->id = 2; new->nv = nv+1; |
| new->ord.matrix.row = row+1; new->ord.matrix.matrix = newm; |
new->ord.matrix.row = row+1; new->ord.matrix.matrix = newm; |
| break; |
break; |
| |
case 3: |
| |
onv = old->nv; |
| |
nnv = onv+1; |
| |
olen = old->ord.composite.length; |
| |
nlen = olen+1; |
| |
owb = old->ord.composite.w_or_b; |
| |
nwb = (struct weight_or_block *) |
| |
MALLOC(nlen*sizeof(struct weight_or_block)); |
| |
for ( i = 0; i < olen; i++ ) { |
| |
nwb[i].type = owb[i].type; |
| |
switch ( owb[i].type ) { |
| |
case IS_DENSE_WEIGHT: |
| |
owlen = owb[i].length; |
| |
nwb[i].length = owlen+1; |
| |
nwb[i].body.dense_weight = (int *)MALLOC((owlen+1)*sizeof(int)); |
| |
for ( j = 0; j < owlen; j++ ) |
| |
nwb[i].body.dense_weight[j] = owb[i].body.dense_weight[j]; |
| |
nwb[i].body.dense_weight[owlen] = 0; |
| |
break; |
| |
case IS_SPARSE_WEIGHT: |
| |
nwb[i].length = owb[i].length; |
| |
nwb[i].body.sparse_weight = owb[i].body.sparse_weight; |
| |
break; |
| |
case IS_BLOCK: |
| |
nwb[i].length = owb[i].length; |
| |
nwb[i].body.block = owb[i].body.block; |
| |
break; |
| |
} |
| |
} |
| |
nwb[i].type = IS_SPARSE_WEIGHT; |
| |
nwb[i].body.sparse_weight = |
| |
(struct sparse_weight *)MALLOC(sizeof(struct sparse_weight)); |
| |
nwb[i].body.sparse_weight[0].pos = onv; |
| |
nwb[i].body.sparse_weight[0].value = 1; |
| |
new->id = 3; |
| |
new->nv = nnv; |
| |
new->ord.composite.length = nlen; |
| |
new->ord.composite.w_or_b = nwb; |
| |
print_composite_order_spec(new); |
| |
break; |
| default: |
default: |
| error("homogenize_order : invalid input"); |
error("homogenize_order : invalid input"); |
| } |
} |
| Line 1812 void dp_hm(DP p,DP *rp) |
|
| Line 2124 void dp_hm(DP p,DP *rp) |
|
| } |
} |
| } |
} |
| |
|
| |
void dp_ht(DP p,DP *rp) |
| |
{ |
| |
MP m,mr; |
| |
|
| |
if ( !p ) |
| |
*rp = 0; |
| |
else { |
| |
m = BDY(p); |
| |
NEWMP(mr); mr->dl = m->dl; mr->c = (P)ONE; NEXT(mr) = 0; |
| |
MKDP(p->nv,mr,*rp); (*rp)->sugar = mr->dl->td; /* XXX */ |
| |
} |
| |
} |
| |
|
| void dp_rest(DP p,DP *rp) |
void dp_rest(DP p,DP *rp) |
| { |
{ |
| MP m; |
MP m; |
| Line 1934 void dp_sort(DP p,DP *rp) |
|
| Line 2259 void dp_sort(DP p,DP *rp) |
|
| *rp = r; |
*rp = r; |
| } |
} |
| |
|
| |
DP extract_initial_term_from_dp(DP p,int *weight,int n); |
| |
LIST extract_initial_term(LIST f,int *weight,int n); |
| |
|
| |
DP extract_initial_term_from_dp(DP p,int *weight,int n) |
| |
{ |
| |
int w,t,i,top; |
| |
MP m,r0,r; |
| |
DP dp; |
| |
|
| |
if ( !p ) return 0; |
| |
top = 1; |
| |
for ( m = BDY(p); m; m = NEXT(m) ) { |
| |
for ( i = 0, t = 0; i < n; i++ ) |
| |
t += weight[i]*m->dl->d[i]; |
| |
if ( top || t > w ) { |
| |
r0 = 0; |
| |
w = t; |
| |
top = 0; |
| |
} |
| |
if ( t == w ) { |
| |
NEXTMP(r0,r); |
| |
r->dl = m->dl; |
| |
r->c = m->c; |
| |
} |
| |
} |
| |
NEXT(r) = 0; |
| |
MKDP(p->nv,r0,dp); |
| |
return dp; |
| |
} |
| |
|
| |
LIST extract_initial_term(LIST f,int *weight,int n) |
| |
{ |
| |
NODE nd,r0,r; |
| |
Obj p; |
| |
LIST l; |
| |
|
| |
nd = BDY(f); |
| |
for ( r0 = 0; nd; nd = NEXT(nd) ) { |
| |
NEXTNODE(r0,r); |
| |
p = (Obj)BDY(nd); |
| |
BDY(r) = (pointer)extract_initial_term_from_dp((DP)p,weight,n); |
| |
} |
| |
if ( r0 ) NEXT(r) = 0; |
| |
MKLIST(l,r0); |
| |
return l; |
| |
} |
| |
|
| |
LIST dp_initial_term(LIST f,struct order_spec *ord) |
| |
{ |
| |
int n,l,i; |
| |
struct weight_or_block *worb; |
| |
int *weight; |
| |
|
| |
switch ( ord->id ) { |
| |
case 2: /* matrix order */ |
| |
/* extract the first row */ |
| |
n = ord->nv; |
| |
weight = ord->ord.matrix.matrix[0]; |
| |
return extract_initial_term(f,weight,n); |
| |
case 3: /* composite order */ |
| |
/* the first w_or_b */ |
| |
worb = ord->ord.composite.w_or_b; |
| |
switch ( worb->type ) { |
| |
case IS_DENSE_WEIGHT: |
| |
n = worb->length; |
| |
weight = worb->body.dense_weight; |
| |
return extract_initial_term(f,weight,n); |
| |
case IS_SPARSE_WEIGHT: |
| |
n = ord->nv; |
| |
weight = (int *)ALLOCA(n*sizeof(int)); |
| |
for ( i = 0; i < n; i++ ) weight[i] = 0; |
| |
l = worb->length; |
| |
for ( i = 0; i < l; i++ ) |
| |
weight[worb->body.sparse_weight[i].pos] |
| |
= worb->body.sparse_weight[i].value; |
| |
return extract_initial_term(f,weight,n); |
| |
default: |
| |
error("dp_initial_term : unsupported order"); |
| |
} |
| |
default: |
| |
error("dp_initial_term : unsupported order"); |
| |
} |
| |
} |
| |
|
| |
int highest_order_dp(DP p,int *weight,int n); |
| |
LIST highest_order(LIST f,int *weight,int n); |
| |
|
| |
int highest_order_dp(DP p,int *weight,int n) |
| |
{ |
| |
int w,t,i,top; |
| |
MP m; |
| |
|
| |
if ( !p ) return -1; |
| |
top = 1; |
| |
for ( m = BDY(p); m; m = NEXT(m) ) { |
| |
for ( i = 0, t = 0; i < n; i++ ) |
| |
t += weight[i]*m->dl->d[i]; |
| |
if ( top || t > w ) { |
| |
w = t; |
| |
top = 0; |
| |
} |
| |
} |
| |
return w; |
| |
} |
| |
|
| |
LIST highest_order(LIST f,int *weight,int n) |
| |
{ |
| |
int h; |
| |
NODE nd,r0,r; |
| |
Obj p; |
| |
LIST l; |
| |
Q q; |
| |
|
| |
nd = BDY(f); |
| |
for ( r0 = 0; nd; nd = NEXT(nd) ) { |
| |
NEXTNODE(r0,r); |
| |
p = (Obj)BDY(nd); |
| |
h = highest_order_dp((DP)p,weight,n); |
| |
STOQ(h,q); |
| |
BDY(r) = (pointer)q; |
| |
} |
| |
if ( r0 ) NEXT(r) = 0; |
| |
MKLIST(l,r0); |
| |
return l; |
| |
} |
| |
|
| |
LIST dp_order(LIST f,struct order_spec *ord) |
| |
{ |
| |
int n,l,i; |
| |
struct weight_or_block *worb; |
| |
int *weight; |
| |
|
| |
switch ( ord->id ) { |
| |
case 2: /* matrix order */ |
| |
/* extract the first row */ |
| |
n = ord->nv; |
| |
weight = ord->ord.matrix.matrix[0]; |
| |
return highest_order(f,weight,n); |
| |
case 3: /* composite order */ |
| |
/* the first w_or_b */ |
| |
worb = ord->ord.composite.w_or_b; |
| |
switch ( worb->type ) { |
| |
case IS_DENSE_WEIGHT: |
| |
n = worb->length; |
| |
weight = worb->body.dense_weight; |
| |
return highest_order(f,weight,n); |
| |
case IS_SPARSE_WEIGHT: |
| |
n = ord->nv; |
| |
weight = (int *)ALLOCA(n*sizeof(int)); |
| |
for ( i = 0; i < n; i++ ) weight[i] = 0; |
| |
l = worb->length; |
| |
for ( i = 0; i < l; i++ ) |
| |
weight[worb->body.sparse_weight[i].pos] |
| |
= worb->body.sparse_weight[i].value; |
| |
return highest_order(f,weight,n); |
| |
default: |
| |
error("dp_initial_term : unsupported order"); |
| |
} |
| |
default: |
| |
error("dp_initial_term : unsupported order"); |
| |
} |
| |
} |
| |
|
| |
int dpv_ht(DPV p,DP *h) |
| |
{ |
| |
int len,max,maxi,i,t; |
| |
DP *e; |
| |
MP m,mr; |
| |
|
| |
len = p->len; |
| |
e = p->body; |
| |
max = -1; |
| |
maxi = -1; |
| |
for ( i = 0; i < len; i++ ) |
| |
if ( e[i] && (t = BDY(e[i])->dl->td) > max ) { |
| |
max = t; |
| |
maxi = i; |
| |
} |
| |
if ( max < 0 ) { |
| |
*h = 0; |
| |
return -1; |
| |
} else { |
| |
m = BDY(e[maxi]); |
| |
NEWMP(mr); mr->dl = m->dl; mr->c = (P)ONE; NEXT(mr) = 0; |
| |
MKDP(e[maxi]->nv,mr,*h); (*h)->sugar = mr->dl->td; /* XXX */ |
| |
return maxi; |
| |
} |
| |
} |
| |
|
| |
/* return 1 if 0 <_w1 v && v <_w2 0 */ |
| |
|
| |
int in_c12(int n,int *v,int row1,int **w1,int row2, int **w2) |
| |
{ |
| |
int t1,t2; |
| |
|
| |
t1 = compare_zero(n,v,row1,w1); |
| |
t2 = compare_zero(n,v,row2,w2); |
| |
if ( t1 > 0 && t2 < 0 ) return 1; |
| |
else return 0; |
| |
} |
| |
|
| |
/* 0 < u => 1, 0 > u => -1 */ |
| |
|
| |
int compare_zero(int n,int *u,int row,int **w) |
| |
{ |
| |
int i,j,t; |
| |
int *wi; |
| |
|
| |
for ( i = 0; i < row; i++ ) { |
| |
wi = w[i]; |
| |
for ( j = 0, t = 0; j < n; j++ ) t += u[j]*wi[j]; |
| |
if ( t > 0 ) return 1; |
| |
else if ( t < 0 ) return -1; |
| |
} |
| |
return 0; |
| |
} |
| |
|
| |
/* functions for generic groebner walk */ |
| |
/* u=0 means u=-infty */ |
| |
|
| |
int compare_facet_preorder(int n,int *u,int *v, |
| |
int row1,int **w1,int row2,int **w2) |
| |
{ |
| |
int i,j,s,t,tu,tv; |
| |
int *w2i,*uv; |
| |
|
| |
if ( !u ) return 1; |
| |
uv = W_ALLOC(n); |
| |
for ( i = 0; i < row2; i++ ) { |
| |
w2i = w2[i]; |
| |
for ( j = 0, tu = tv = 0; j < n; j++ ) |
| |
if ( s = w2i[j] ) { |
| |
tu += s*u[j]; tv += s*v[j]; |
| |
} |
| |
for ( j = 0; j < n; j++ ) uv[j] = u[j]*tv-v[j]*tu; |
| |
t = compare_zero(n,uv,row1,w1); |
| |
if ( t > 0 ) return 1; |
| |
else if ( t < 0 ) return 0; |
| |
} |
| |
return 1; |
| |
} |
| |
|
| |
/* return 0 if last_w = infty */ |
| |
|
| |
NODE compute_last_w(NODE g,NODE gh,int n,int **w, |
| |
int row1,int **w1,int row2,int **w2) |
| |
{ |
| |
DP d; |
| |
MP f,m0,m; |
| |
int *wt,*v,*h; |
| |
NODE t,s,n0,tn,n1,r0,r; |
| |
int i; |
| |
|
| |
wt = W_ALLOC(n); |
| |
n0 = 0; |
| |
for ( t = g, s = gh; t; t = NEXT(t), s = NEXT(s) ) { |
| |
f = BDY((DP)BDY(t)); |
| |
h = BDY((DP)BDY(s))->dl->d; |
| |
for ( ; f; f = NEXT(f) ) { |
| |
for ( i = 0; i < n; i++ ) wt[i] = h[i]-f->dl->d[i]; |
| |
for ( i = 0; i < n && !wt[i]; i++ ); |
| |
if ( i == n ) continue; |
| |
|
| |
if ( in_c12(n,wt,row1,w1,row2,w2) && |
| |
compare_facet_preorder(n,*w,wt,row1,w1,row2,w2) ) { |
| |
v = (int *)MALLOC_ATOMIC(n*sizeof(int)); |
| |
for ( i = 0; i < n; i++ ) v[i] = wt[i]; |
| |
MKNODE(n1,v,n0); n0 = n1; |
| |
} |
| |
} |
| |
} |
| |
if ( !n0 ) return 0; |
| |
for ( t = n0; t; t = NEXT(t) ) { |
| |
v = (int *)BDY(t); |
| |
for ( s = n0; s; s = NEXT(s) ) |
| |
if ( !compare_facet_preorder(n,v,(int *)BDY(s),row1,w1,row2,w2) ) |
| |
break; |
| |
if ( !s ) { |
| |
*w = v; |
| |
break; |
| |
} |
| |
} |
| |
if ( !t ) |
| |
error("compute_last_w : cannot happen"); |
| |
r0 = 0; |
| |
for ( t = g, s = gh; t; t = NEXT(t), s = NEXT(s) ) { |
| |
f = BDY((DP)BDY(t)); |
| |
h = BDY((DP)BDY(s))->dl->d; |
| |
for ( m0 = 0; f; f = NEXT(f) ) { |
| |
for ( i = 0; i < n; i++ ) wt[i] = h[i]-f->dl->d[i]; |
| |
for ( i = 0; i < n && !wt[i]; i++ ); |
| |
if ( i == n || |
| |
(compare_facet_preorder(n,wt,*w,row1,w1,row2,w2) |
| |
&& compare_facet_preorder(n,*w,wt,row1,w1,row2,w2)) ) { |
| |
NEXTMP(m0,m); m->c = f->c; m->dl = f->dl; |
| |
} |
| |
NEXT(m) = 0; |
| |
} |
| |
MKDP(((DP)BDY(t))->nv,m0,d); d->sugar = ((DP)BDY(t))->sugar; |
| |
NEXTNODE(r0,r); BDY(r) = (pointer)d; |
| |
} |
| |
NEXT(r) = 0; |
| |
return r0; |
| |
} |