OpenXM_contrib2/asir2000/engine/nd.c - diff

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Diff for /OpenXM_contrib2/asir2000/engine/nd.c between version 1.52 and 1.60

version 1.52, 2003/08/27 02:21:16

version 1.60, 2003/09/06 01:33:26

Line 1

/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.51 2003/08/27 01:53:29 noro Exp $ */

/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.59 2003/09/05 13:20:14 noro Exp $ */

#include "ca.h"

#include "inline.h"

Line 109 static ND _nd_free_list;

static ND_pairs _ndp_free_list;

static NDV *nd_ps;

static NDV *nd_psq;

static NDV *nd_ps_trace;

static RHist *nd_psh;

static int nd_psn,nd_pslen;

Line 120 static int nm_adv;

static int nmv_adv;

static int nd_dcomp;

extern int Top,Reverse,dp_nelim;

extern int Top,Reverse,dp_nelim,do_weyl;

extern int *current_weyl_weight_vector;

/* fundamental macros */

#define TD(d) (d[0])

Line 135 extern int Top,Reverse,dp_nelim;

Line 136 extern int Top,Reverse,dp_nelim;

#define LEN(a) ((a)->len)

#define LCM(a) ((a)->lcm)

#define GET_EXP(d,a) (((d)[nd_epos[a].i]>>nd_epos[a].s)&nd_mask0)

#define GET_EXP_MASK(d,a,m) ((((d)[nd_epos[a].i]&(m)[nd_epos[a].i])>>nd_epos[a].s)&nd_mask0)

#define PUT_EXP(r,a,e) ((r)[nd_epos[a].i] |= ((e)<<nd_epos[a].s))

#define XOR_EXP(r,a,e) ((r)[nd_epos[a].i] ^= ((e)<<nd_epos[a].s))

Line 185 if(!(r)){NEWND_pairs(r);(c)=(r);}else{NEWND_pairs(NEXT

Line 187 if(!(r)){NEWND_pairs(r);(c)=(r);}else{NEWND_pairs(NEXT

/* macro for increasing pointer to NMV */

#define NMV_ADV(m) (m = (NMV)(((char *)m)+nmv_adv))

#define NMV_PREV(m) (m = (NMV)(((char *)m)-nmv_adv))

/* external functions */

void GC_gcollect();

Line 225 NODE nd_gb_trace(int m);

Line 228 NODE nd_gb_trace(int m);

/* ndl functions */

int ndl_weight(unsigned int *d);

int ndl_weight_mask(unsigned int *d,int i);

void ndl_set_blockweight(unsigned int *d);

void ndl_dehomogenize(unsigned int *p);

void ndl_reconstruct(int obpe,EPOS oepos,unsigned int *d,unsigned int *r);

INLINE int ndl_reducible(unsigned int *d1,unsigned int *d2);

Line 233 INLINE int ndl_block_compare(unsigned int *d1,unsigned

Line 237 INLINE int ndl_block_compare(unsigned int *d1,unsigned

INLINE int ndl_equal(unsigned int *d1,unsigned int *d2);

INLINE void ndl_copy(unsigned int *d1,unsigned int *d2);

INLINE void ndl_add(unsigned int *d1,unsigned int *d2,unsigned int *d);

INLINE void ndl_addto(unsigned int *d1,unsigned int *d2);

INLINE void ndl_sub(unsigned int *d1,unsigned int *d2,unsigned int *d);

INLINE int ndl_hash_value(unsigned int *d);

/* normal forms */

INLINE int nd_find_reducer(ND g);

INLINE int nd_find_reducer_direct(ND g,NDV *ps,int len);

int nd_sp(int mod,ND_pairs p,ND *nf);

int nd_sp(int mod,int trace,ND_pairs p,ND *nf);

int nd_nf(int mod,ND g,int full,ND *nf);

int nd_nf(int mod,ND g,NDV *ps,int full,ND *nf);

int nd_nf_pbucket(int mod,ND g,int full,ND *nf);

int nd_nf_pbucket(int mod,ND g,NDV *ps,int full,ND *nf);

int nd_nf_direct(int mod,ND g,BaseSet base,int full,ND *rp);

/* finalizers */

Line 271 void nd_reconstruct_direct(int mod,NDV *ps,int len);

Line 276 void nd_reconstruct_direct(int mod,NDV *ps,int len);

void nd_setup(int mod,int trace,NODE f);

void nd_setup_parameters();

BlockMask nd_create_blockmask(struct order_spec *ord);

EPOS nd_create_epos(struct order_spec *ord);

int nd_get_exporigin(struct order_spec *ord);

/* ND functions */

Line 281 ND nd_remove_head(ND p);

Line 287 ND nd_remove_head(ND p);

int nd_length(ND p);

void nd_append_red(unsigned int *d,int i);

unsigned int *ndv_compute_bound(NDV p);

unsigned int *dp_compute_bound(DP p);

ND nd_copy(ND p);

ND nd_add(int mod,ND p1,ND p2);

ND nd_add_q(ND p1,ND p2);

INLINE int nd_length(ND p);

/* NDV functions */

ND weyl_ndv_mul_nm(int mod,NM m0,NDV p);

void weyl_mul_nm_nmv(int n,int mod,NM m0,NMV m1,NM *tab,int tlen);

void ndv_mul_c(int mod,NDV p,int mul);

void ndv_mul_c_q(NDV p,Q mul);

void ndv_realloc(NDV p,int obpe,int oadv,EPOS oepos);

ND ndv_mul_nm(int mod,NDV p,NM m0);

ND ndv_mul_nm(int mod,NM m0,NDV p);

void ndv_dehomogenize(NDV p,struct order_spec *spec);

void ndv_removecont(int mod,NDV p);

void ndv_print(NDV p);

Line 536 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 543 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

void ndl_set_blockweight(unsigned int *d) {

int l,j;

if ( nd_blockmask ) {

l = nd_blockmask->n;

for ( j = 0; j < l; j++ )

d[j+1] = ndl_weight_mask(d,j);

}

int ndl_weight(unsigned int *d)

{

unsigned int t,u;

int i,j;

for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {

if ( current_dl_weight_vector )

u = d[i];

for ( i = 0, t = 0; i < nd_nvar; i++ ) {

for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )

u = GET_EXP(d,i);

t += (u&nd_mask0);

t += MUL_WEIGHT(u,i);

}

else

for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {

u = d[i];

for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )

t += (u&nd_mask0);

}

return t;

}

Line 556 int ndl_weight_mask(unsigned int *d,int index)

Line 579 int ndl_weight_mask(unsigned int *d,int index)

int i,j;

mask = nd_blockmask->mask[index];

for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {

if ( current_dl_weight_vector )

u = d[i]&mask[i];

for ( i = 0, t = 0; i < nd_nvar; i++ ) {

for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )

u = GET_EXP_MASK(d,i,mask);

t += (u&nd_mask0);

t += MUL_WEIGHT(u,i);

}

else

for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {

u = d[i]&mask[i];

for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )

t += (u&nd_mask0);

}

return t;

}

Line 606 int ndl_block_compare(unsigned int *d1,unsigned int *d

Line 635 int ndl_block_compare(unsigned int *d1,unsigned int *d

return 0;

}

/* TDH -> WW -> TD-> RL */

int ndl_ww_lex_compare(unsigned int *d1,unsigned int *d2)

{

int i,m,e1,e2;

if ( TD(d1) > TD(d2) ) return 1;

else if ( TD(d1) < TD(d2) ) return -1;

m = nd_nvar>>1;

for ( i = 0, e1 = e2 = 0; i < m; i++ ) {

e1 += current_weyl_weight_vector[i]*(GET_EXP(d1,m+i)-GET_EXP(d1,i));

e2 += current_weyl_weight_vector[i]*(GET_EXP(d2,m+i)-GET_EXP(d2,i));

}

if ( e1 > e2 ) return 1;

else if ( e1 < e2 ) return -1;

return ndl_lex_compare(d1,d2);

}

INLINE int ndl_equal(unsigned int *d1,unsigned int *d2)

{

int i;

Line 661 INLINE void ndl_add(unsigned int *d1,unsigned int *d2,

Line 708 INLINE void ndl_add(unsigned int *d1,unsigned int *d2,

#endif

}

/* d1 += d2 */

INLINE void ndl_addto(unsigned int *d1,unsigned int *d2)

{

int i;

#if 1

switch ( nd_wpd ) {

case 2:

TD(d1) += TD(d2);

d1[1] += d2[1];

break;

case 3:

TD(d1) += TD(d2);

d1[1] += d2[1];

d1[2] += d2[2];

break;

default:

for ( i = 0; i < nd_wpd; i++ ) d1[i] += d2[i];

break;

}

#else

for ( i = 0; i < nd_wpd; i++ ) d1[i] += d2[i];

#endif

}

INLINE void ndl_sub(unsigned int *d1,unsigned int *d2,unsigned int *d)

{

int i;

Line 1038 ND nd_add_q(ND p1,ND p2)

Line 1110 ND nd_add_q(ND p1,ND p2)

}

/* ret=1 : success, ret=0 : overflow */

int nd_nf(int mod,ND g,int full,ND *rp)

int nd_nf(int mod,ND g,NDV *ps,int full,ND *rp)

{

ND d;

NM m,mrd,tail;

Line 1068 int nd_nf(int mod,ND g,int full,ND *rp)

Line 1140 int nd_nf(int mod,ND g,int full,ND *rp)

nd_free(g); nd_free(d);

return 0;

}

p = ps[index];

if ( mod ) {

p = nd_ps[index];

c1 = invm(HCM(p),mod); c2 = mod-HCM(g);

DMAR(c1,c2,0,mod,c); CM(mul) = c;

} else {

p = nd_psq[index];

igcd_cofactor(HCQ(g),HCQ(p),&gcd,&cg,&cred);

chsgnq(cg,&CQ(mul));

nd_mul_c_q(d,cred); nd_mul_c_q(g,cred);

}

g = nd_add(mod,g,ndv_mul_nm(mod,p,mul));

g = nd_add(mod,g,ndv_mul_nm(mod,mul,p));

sugar = MAX(sugar,SG(p)+TD(DL(mul)));

if ( !mod && hmag && g && ((double)(p_mag((P)HCQ(g))) > hmag) ) {

nd_removecont2(d,g);

Line 1106 int nd_nf(int mod,ND g,int full,ND *rp)

Line 1177 int nd_nf(int mod,ND g,int full,ND *rp)

return 1;

}

int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

int nd_nf_pbucket(int mod,ND g,NDV *ps,int full,ND *rp)

{

int hindex,index;

NDV p;

Line 1149 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

Line 1220 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

*rp = 0;

return 0;

}

p = ps[index];

if ( mod ) {

p = nd_ps[index];

c1 = invm(HCM(p),mod); c2 = mod-HCM(g);

DMAR(c1,c2,0,mod,c); CM(mul) = c;

} else {

p = nd_psq[index];

igcd_cofactor(HCQ(g),HCQ(p),&gcd,&cg,&cred);

chsgnq(cg,&CQ(mul));

nd_mul_c_q(d,cred);

Line 1162 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

Line 1232 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

g = bucket->body[hindex];

gmag = (double)p_mag((P)HCQ(g));

}

red = ndv_mul_nm(mod,p,mul);

red = ndv_mul_nm(mod,mul,p);

bucket->body[hindex] = nd_remove_head(g);

red = nd_remove_head(red);

add_pbucket(mod,bucket,red);

Line 1251 int nd_nf_direct(int mod,ND g,BaseSet base,int full,ND

Line 1321 int nd_nf_direct(int mod,ND g,BaseSet base,int full,ND

chsgnq(cg,&CQ(mul));

nd_mul_c_q(d,cred); nd_mul_c_q(g,cred);

}

g = nd_add(mod,g,ndv_mul_nm(mod,p,mul));

g = nd_add(mod,g,ndv_mul_nm(mod,mul,p));

sugar = MAX(sugar,SG(p)+TD(DL(mul)));

if ( !mod && hmag && g && ((double)(p_mag((P)HCQ(g))) > hmag) ) {

nd_removecont2(d,g);

Line 1301 int nd_check_candidate(NODE input,NODE cand)

Line 1371 int nd_check_candidate(NODE input,NODE cand)

for ( t = input; t; t = NEXT(t) ) {

again:

d = dptond(0,(DP)BDY(t));

stat = nd_nf(0,d,0,&nf);

stat = nd_nf(0,d,nd_ps,0,&nf);

if ( !stat ) {

nd_reconstruct(0,0,0);

goto again;

Line 1494 again:

Line 1564 again:

sugar = SG(l);

fprintf(asir_out,"%d",sugar);

}

stat = nd_sp(m,l,&h);

stat = nd_sp(m,0,l,&h);

if ( !stat ) {

NEXT(l) = d; d = l;

d = nd_reconstruct(m,0,d);

goto again;

}

#if USE_GEOBUCKET

stat = m?nd_nf_pbucket(m,h,!Top,&nf):nd_nf(m,h,!Top,&nf);

stat = m?nd_nf_pbucket(m,h,nd_ps,!Top,&nf):nd_nf(m,h,nd_ps,!Top,&nf);

#else

stat = nd_nf(m,h,!Top,&nf);

stat = nd_nf(m,h,nd_ps,!Top,&nf);

#endif

if ( !stat ) {

NEXT(l) = d; d = l;

Line 1512 again:

Line 1582 again:

} else if ( nf ) {

if ( checkonly ) return 0;

printf("+"); fflush(stdout);

nh = m?nd_newps(m,nf,0):nd_newps(m,0,nf);

nh = nd_newps(m,nf,0);

d = update_pairs(d,g,nh);

g = update_base(g,nh);

FREENDP(l);

Line 1521 again:

Line 1591 again:

FREENDP(l);

}

if ( m )

for ( t = g; t; t = NEXT(t) ) BDY(t) = (pointer)nd_ps[(int)BDY(t)];

else

for ( t = g; t; t = NEXT(t) ) BDY(t) = (pointer)nd_psq[(int)BDY(t)];

return g;

}

Line 1549 again:

Line 1616 again:

sugar = SG(l);

fprintf(asir_out,"%d",sugar);

}

stat = nd_sp(m,l,&h);

stat = nd_sp(m,0,l,&h);

if ( !stat ) {

NEXT(l) = d; d = l;

d = nd_reconstruct(m,1,d);

goto again;

}

#if USE_GEOBUCKET

stat = nd_nf_pbucket(m,h,!Top,&nf);

stat = nd_nf_pbucket(m,h,nd_ps,!Top,&nf);

#else

stat = nd_nf(m,h,!Top,&nf);

stat = nd_nf(m,h,nd_ps,!Top,&nf);

#endif

if ( !stat ) {

NEXT(l) = d; d = l;

Line 1566 again:

Line 1633 again:

goto again;

} else if ( nf ) {

/* overflow does not occur */

nd_sp(0,l,&h);

nd_sp(0,1,l,&h);

nd_nf(0,h,!Top,&nfq);

nd_nf(0,h,nd_ps_trace,!Top,&nfq);

if ( nfq ) {

printf("+"); fflush(stdout);

nh = nd_newps(m,nf,nfq);

Line 1584 again:

Line 1651 again:

FREENDP(l);

}

for ( t = g; t; t = NEXT(t) )

BDY(t) = (pointer)nd_psq[(int)BDY(t)];

BDY(t) = (pointer)nd_ps_trace[(int)BDY(t)];

return g;

}

Line 1610 NODE nd_reduceall(int m,NODE f)

Line 1677 NODE nd_reduceall(int m,NODE f)

for ( n = 0, t = f; t; t = NEXT(t), n++ );

ps = (NDV *)ALLOCA(n*sizeof(NDV));

bound = (unsigned int **)ALLOCA(n*sizeof(unsigned int *));

for ( i = 0, t = f; i < n; i++, t = NEXT(t) ) {

for ( i = 0, t = f; i < n; i++, t = NEXT(t) ) ps[i] = (NDV)BDY(t);

ps[i] = (NDV)BDY(t);

bound[i] = ndv_compute_bound(ps[i]);

}

qsort(ps,n,sizeof(NDV),(int (*)(const void *,const void *))ndv_compare);

for ( i = 0; i < n; i++ ) bound[i] = ndv_compute_bound(ps[i]);

base.ps = (NDV *)ALLOCA((n-1)*sizeof(NDV));

base.bound = (unsigned int **)ALLOCA((n-1)*sizeof(unsigned int *));

base.len = n-1;

Line 1666 ND_pairs update_pairs( ND_pairs d, NODE /* of index */

Line 1731 ND_pairs update_pairs( ND_pairs d, NODE /* of index */

d1 = nd_newpairs(g,t);

d1 = crit_M(d1);

d1 = crit_F(d1);

prev = 0; cur = head = d1;

if ( do_weyl )

while ( cur ) {

head = d1;

if ( crit_2( cur->i1,cur->i2 ) ) {

else {

remove = cur;

prev = 0; cur = head = d1;

if ( !prev ) head = cur = NEXT(cur);

while ( cur ) {

else cur = NEXT(prev) = NEXT(cur);

if ( crit_2( cur->i1,cur->i2 ) ) {

FREENDP(remove);

remove = cur;

} else {

if ( !prev ) head = cur = NEXT(cur);

prev = cur; cur = NEXT(cur);

else cur = NEXT(prev) = NEXT(cur);

FREENDP(remove);

} else {

prev = cur; cur = NEXT(cur);

}

if ( !d )

Line 1738 ND_pairs crit_B( ND_pairs d, int s )

Line 1807 ND_pairs crit_B( ND_pairs d, int s )

return head;

}

/* XXX : check is necessary */

ND_pairs crit_M( ND_pairs d1 )

{

ND_pairs e,d2,d3,dd,p;

Line 1899 int nd_newps(int mod,ND a,ND aq)

Line 1966 int nd_newps(int mod,ND a,ND aq)

RHist r;

NDV b;

if ( aq ) {

/* trace lifting */

if ( !rem(NM(HCQ(aq)),mod) )

return -1;

}

if ( nd_psn == nd_pslen ) {

nd_pslen *= 2;

nd_ps = (NDV *)REALLOC((char *)nd_ps,nd_pslen*sizeof(NDV));

nd_psq = (NDV *)REALLOC((char *)nd_psq,nd_pslen*sizeof(NDV));

nd_ps_trace = (NDV *)REALLOC((char *)nd_ps_trace,nd_pslen*sizeof(NDV));

nd_psh = (RHist *)REALLOC((char *)nd_psh,nd_pslen*sizeof(RHist));

nd_bound = (unsigned int **)

REALLOC((char *)nd_bound,nd_pslen*sizeof(unsigned int *));

}

if ( a && aq ) {

/* trace lifting */

if ( !rem(NM(HCQ(aq)),mod) )

return -1;

}

NEWRHist(r); nd_psh[nd_psn] = r;

nd_removecont(mod,a); nd_ps[nd_psn] = ndtondv(mod,a);

if ( aq ) {

nd_removecont(0,aq);

nd_removecont(0,aq); nd_ps_trace[nd_psn] = ndtondv(0,aq);

nd_psq[nd_psn] = ndtondv(0,aq);

nd_bound[nd_psn] = ndv_compute_bound(nd_ps_trace[nd_psn]);

nd_bound[nd_psn] = ndv_compute_bound(nd_psq[nd_psn]);

SG(r) = SG(aq); ndl_copy(HDL(aq),DL(r));

nd_free(a); nd_free(aq);

} else {

nd_bound[nd_psn] = ndv_compute_bound(nd_ps[nd_psn]);

SG(r) = SG(a); ndl_copy(HDL(a),DL(r));

nd_free(a);

}

if ( a ) {

nd_removecont(mod,a);

nd_ps[nd_psn] = ndtondv(mod,a);

if ( !aq ) {

nd_bound[nd_psn] = ndv_compute_bound(nd_ps[nd_psn]);

SG(r) = SG(a); ndl_copy(HDL(a),DL(r));

}

nd_free(a); nd_free(aq);

return nd_psn++;

}

Line 1938 void nd_setup(int mod,int trace,NODE f)

Line 2001 void nd_setup(int mod,int trace,NODE f)

unsigned int *d;

RHist r;

NDV a;

MP t;

nd_found = 0; nd_notfirst = 0; nd_create = 0;

nd_psn = length(f); nd_pslen = 2*nd_psn;

nd_ps = (NDV *)MALLOC(nd_pslen*sizeof(NDV));

nd_psq = (NDV *)MALLOC(nd_pslen*sizeof(NDV));

nd_ps_trace = (NDV *)MALLOC(nd_pslen*sizeof(NDV));

nd_psh = (RHist *)MALLOC(nd_pslen*sizeof(RHist));

nd_bound = (unsigned int **)MALLOC(nd_pslen*sizeof(unsigned int *));

for ( max = 0, i = 0, s = f; i < nd_psn; i++, s = NEXT(s) ) {

nd_bound[i] = d = dp_compute_bound((DP)BDY(s));

for ( j = 0; j < nd_nvar; j++ )

max = MAX(d[j],max);

}

if ( !nd_red )

nd_red = (RHist *)MALLOC(REDTAB_LEN*sizeof(RHist));

bzero(nd_red,REDTAB_LEN*sizeof(RHist));

for ( max = 0, s = f; s; s = NEXT(s) )

for ( t = BDY((DP)BDY(s)); t; t = NEXT(t) ) {

d = t->dl->d;

for ( j = 0; j < nd_nvar; j++ ) max = MAX(d[j],max);

}

if ( max < 2 ) nd_bpe = 2;

else if ( max < 4 ) nd_bpe = 4;

else if ( max < 64 ) nd_bpe = 6;

Line 1968 void nd_setup(int mod,int trace,NODE f)

Line 2034 void nd_setup(int mod,int trace,NODE f)

NEWRHist(r);

a = dptondv(mod,(DP)BDY(f)); ndv_removecont(mod,a);

SG(r) = HTD(a); ndl_copy(HDL(a),DL(r));

nd_ps[i] = a;

if ( trace ) {

nd_ps[i] = a;

a = dptondv(0,(DP)BDY(f)); ndv_removecont(0,a);

nd_psq[i] = a;

nd_ps_trace[i] = a;

} else {

if ( mod ) nd_ps[i] = a;

else nd_psq[i] = a;

}

nd_bound[i] = ndv_compute_bound(a);

nd_psh[i] = r;

}

Line 2122 void nd_gr_trace(LIST f,LIST v,int trace,int homo,stru

Line 2185 void nd_gr_trace(LIST f,LIST v,int trace,int homo,stru

void dltondl(int n,DL dl,unsigned int *r)

{

unsigned int *d;

int i,j,l,s,ord_l,ord_o;

int i,j,l,s,ord_l;

struct order_pair *op;

d = dl->d;

Line 2131 void dltondl(int n,DL dl,unsigned int *r)

Line 2194 void dltondl(int n,DL dl,unsigned int *r)

l = nd_blockmask->n;

op = nd_blockmask->order_pair;

for ( j = 0, s = 0; j < l; j++ ) {

ord_o = op[j].order;

ord_l = op[j].length;

if ( !ord_o )

for ( i = 0; i < ord_l; i++, s++ ) PUT_EXP(r,s,d[s]);

for ( i = 0; i < ord_l; i++ )

PUT_EXP(r,s+ord_l-i-1,d[s+i]);

else

for ( i = 0; i < ord_l; i++ )

PUT_EXP(r,s+i,d[s+i]);

s += ord_l;

}

TD(r) = ndl_weight(r);

for ( j = 0; j < l; j++ )

r[j+1] = ndl_weight_mask(r,j);

} else {

if ( nd_isrlex )

for ( i = 0; i < n; i++ ) PUT_EXP(r,i,d[i]);

for ( i = 0; i < n; i++ ) PUT_EXP(r,n-1-i,d[i]);

else

for ( i = 0; i < n; i++ ) PUT_EXP(r,i,d[i]);

TD(r) = ndl_weight(r);

}

Line 2157 DL ndltodl(int n,unsigned int *ndl)

Line 2210 DL ndltodl(int n,unsigned int *ndl)

{

DL dl;

int *d;

int i,j,l,s,ord_l,ord_o;

int i,j,l,s,ord_l;

struct order_pair *op;

NEWDL(dl,n);

Line 2167 DL ndltodl(int n,unsigned int *ndl)

Line 2220 DL ndltodl(int n,unsigned int *ndl)

l = nd_blockmask->n;

op = nd_blockmask->order_pair;

for ( j = 0, s = 0; j < l; j++ ) {

ord_o = op[j].order;

ord_l = op[j].length;

if ( !ord_o )

for ( i = 0; i < ord_l; i++, s++ ) d[s] = GET_EXP(ndl,s);

for ( i = 0; i < ord_l; i++ )

d[s+i] = GET_EXP(ndl,s+ord_l-i-1);

else

for ( i = 0; i < ord_l; i++ )

d[s+i] = GET_EXP(ndl,s+i);

s += ord_l;

}

} else {

if ( nd_isrlex )

for ( i = 0; i < n; i++ ) d[i] = GET_EXP(ndl,i);

for ( i = 0; i < n; i++ )

d[i] = GET_EXP(ndl,n-1-i);

else

for ( i = 0; i < n; i++ )

d[i] = GET_EXP(ndl,i);

}

return dl;

}

Line 2237 DP ndtodp(int mod,ND p)

Line 2278 DP ndtodp(int mod,ND p)

void ndl_print(unsigned int *dl)

{

int n;

int i,j,l,ord_o,ord_l,s,s0;

int i,j,l,ord_l,s,s0;

struct order_pair *op;

n = nd_nvar;

Line 2246 void ndl_print(unsigned int *dl)

Line 2287 void ndl_print(unsigned int *dl)

l = nd_blockmask->n;

op = nd_blockmask->order_pair;

for ( j = 0, s = s0 = 0; j < l; j++ ) {

ord_o = op[j].order;

ord_l = op[j].length;

if ( !ord_o )

for ( i = 0; i < ord_l; i++, s++ )

for ( i = 0, s0 += ord_l; i < ord_l; i++, s++ )

printf(s==n-1?"%d":"%d,",GET_EXP(dl,s));

printf(s==n-1?"%d":"%d,",GET_EXP(dl,s0-i-1));

else

for ( i = 0; i < ord_l; i++, s++ )

printf(s==n-1?"%d":"%d,",GET_EXP(dl,s));

}

} else {

if ( nd_isrlex )

for ( i = 0; i < n; i++ ) printf(i==n-1?"%d":"%d,",GET_EXP(dl,i));

for ( i = 0; i < n; i++ ) printf(i==n-1?"%d":"%d,",GET_EXP(dl,n-1-i));

else

for ( i = 0; i < n; i++ ) printf(i==n-1?"%d":"%d,",GET_EXP(dl,i));

}

printf(">>");

}

Line 2490 void nd_append_red(unsigned int *d,int i)

Line 2523 void nd_append_red(unsigned int *d,int i)

nd_red[h] = m;

}

unsigned int *dp_compute_bound(DP p)

{

unsigned int *d,*d1,*d2,*t;

MP m;

int i,l;

if ( !p )

return 0;

d1 = (unsigned int *)ALLOCA(nd_nvar*sizeof(unsigned int));

d2 = (unsigned int *)ALLOCA(nd_nvar*sizeof(unsigned int));

m = BDY(p);

d = DL(m)->d;

for ( i = 0; i < nd_nvar; i++ ) d1[i] = d[i];

for ( m = NEXT(BDY(p)); m; m = NEXT(m) ) {

d = DL(m)->d;

for ( i = 0; i < nd_nvar; i++ )

d2[i] = d[i] > d1[i] ? d[i] : d1[i];

t = d1; d1 = d2; d2 = t;

}

l = (nd_nvar+31);

t = (unsigned int *)MALLOC_ATOMIC(l*sizeof(unsigned int));

for ( i = 0; i < nd_nvar; i++ ) t[i] = d1[i];

for ( ; i < l; i++ ) t[i] = 0;

return t;

}

unsigned int *ndv_compute_bound(NDV p)

{

unsigned int *d1,*d2,*t;

int i,l,len;

unsigned int u;

int i,j,k,l,len,ind;

NMV m;

if ( !p )

Line 2534 unsigned int *ndv_compute_bound(NDV p)

Line 2542 unsigned int *ndv_compute_bound(NDV p)

}

l = nd_nvar+31;

t = (unsigned int *)MALLOC_ATOMIC(l*sizeof(unsigned int));

for ( i = 0; i < nd_nvar; i++ ) t[i] = GET_EXP(d1,i);

for ( i = nd_exporigin, ind = 0; i < nd_wpd; i++ ) {

for ( ; i < l; i++ ) t[i] = 0;

u = d1[i];

k = (nd_epw-1)*nd_bpe;

for ( j = 0; j < nd_epw; j++, k -= nd_bpe, ind++ )

t[ind] = (u>>k)&nd_mask0;

}

for ( ; ind < l; ind++ ) t[ind] = 0;

return t;

}

Line 2554 int nd_get_exporigin(struct order_spec *ord)

Line 2567 int nd_get_exporigin(struct order_spec *ord)

}

void nd_setup_parameters() {

int i,n,elen;

int i,j,n,elen,ord_o,ord_l,l,s;

struct order_pair *op;

nd_epw = (sizeof(unsigned int)*8)/nd_bpe;

elen = nd_nvar/nd_epw+(nd_nvar%nd_epw?1:0);

nd_exporigin = nd_get_exporigin(nd_ord);

nd_wpd = nd_exporigin+elen;

nd_epos = (EPOS)MALLOC_ATOMIC(nd_nvar*sizeof(struct oEPOS));

for ( i = 0; i < nd_nvar; i++ ) {

nd_epos[i].i = nd_exporigin + i/nd_epw;

nd_epos[i].s = (nd_epw-(i%nd_epw)-1)*nd_bpe;

}

if ( nd_bpe < 32 ) {

nd_mask0 = (1<<nd_bpe)-1;

} else {

Line 2579 void nd_setup_parameters() {

Line 2589 void nd_setup_parameters() {

}

nm_adv = sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int);

nmv_adv = sizeof(struct oNMV)+(nd_wpd-1)*sizeof(unsigned int);

nd_epos = nd_create_epos(nd_ord);

nd_blockmask = nd_create_blockmask(nd_ord);

}

Line 2607 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2618 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

prev_ndp_free_list = _ndp_free_list;

_nm_free_list = 0;

_ndp_free_list = 0;

if ( mod != 0 )

for ( i = nd_psn-1; i >= 0; i-- ) ndv_realloc(nd_ps[i],obpe,oadv,oepos);

if ( trace )

if ( !mod || trace )

for ( i = nd_psn-1; i >= 0; i-- )

for ( i = nd_psn-1; i >= 0; i-- ) ndv_realloc(nd_psq[i],obpe,oadv,oepos);

ndv_realloc(nd_ps_trace[i],obpe,oadv,oepos);

s0 = 0;

for ( t = d; t; t = NEXT(t) ) {

NEXTND_pairs(s0,s);

Line 2682 void nd_reconstruct_direct(int mod,NDV *ps,int len)

Line 2693 void nd_reconstruct_direct(int mod,NDV *ps,int len)

void ndl_reconstruct(int obpe,EPOS oepos,unsigned int *d,unsigned int *r)

{

int n,i,ei,oepw,omask0,j,s,ord_l,ord_o,l;

int n,i,ei,oepw,omask0,j,s,ord_l,l;

struct order_pair *op;

#define GET_EXP_OLD(d,a) (((d)[oepos[a].i]>>oepos[a].s)&omask0)

#define PUT_EXP_OLD(r,a,e) ((r)[oepos[a].i] |= ((e)<<oepos[a].s))

Line 2698 void ndl_reconstruct(int obpe,EPOS oepos,unsigned int

Line 2709 void ndl_reconstruct(int obpe,EPOS oepos,unsigned int

for ( i = 1; i < nd_exporigin; i++ )

r[i] = d[i];

for ( j = 0, s = 0; j < l; j++ ) {

ord_o = op[j].order;

ord_l = op[j].length;

if ( !ord_o )

for ( i = 0; i < ord_l; i++, s++ ) {

for ( i = 0; i < ord_l; i++ ) {

ei = GET_EXP_OLD(d,s);

ei = GET_EXP_OLD(d,s+ord_l-i-1);

PUT_EXP(r,s,ei);

PUT_EXP(r,s+ord_l-i-1,ei);

}

else

for ( i = 0; i < ord_l; i++ ) {

ei = GET_EXP_OLD(d,s+i);

PUT_EXP(r,s+i,ei);

}

s += ord_l;

}

} else {

if ( nd_isrlex )

for ( i = 0; i < n; i++ ) {

ei = GET_EXP_OLD(d,i);

ei = GET_EXP_OLD(d,n-1-i);

PUT_EXP(r,i,ei);

PUT_EXP(r,n-1-i,ei);

}

else

for ( i = 0; i < n; i++ ) {

ei = GET_EXP_OLD(d,i);

PUT_EXP(r,i,ei);

}

Line 2747 ND nd_copy(ND p)

Line 2744 ND nd_copy(ND p)

}

int nd_sp(int mod,ND_pairs p,ND *rp)

int nd_sp(int mod,int trace,ND_pairs p,ND *rp)

{

NM m;

NDV p1,p2;

Line 2755 int nd_sp(int mod,ND_pairs p,ND *rp)

Line 2752 int nd_sp(int mod,ND_pairs p,ND *rp)

unsigned int *lcm;

int td;

if ( mod ) {

if ( trace ) {

p1 = nd_ps[p->i1]; p2 = nd_ps[p->i2];

p1 = nd_ps_trace[p->i1]; p2 = nd_ps_trace[p->i2];

} else {

p1 = nd_psq[p->i1]; p2 = nd_psq[p->i2];

p1 = nd_ps[p->i1]; p2 = nd_ps[p->i2];

}

lcm = LCM(p);

NEWNM(m);

CQ(m) = HCQ(p2);

ndl_sub(lcm,HDL(p1),DL(m));

if ( ndl_check_bound2(p->i1,DL(m)) ) return 0;

if ( ndl_check_bound2(p->i1,DL(m)) )

t1 = ndv_mul_nm(mod,p1,m);

return 0;

t1 = ndv_mul_nm(mod,m,p1);

if ( mod ) CM(m) = mod-HCM(p1);

else chsgnq(HCQ(p1),&CQ(m));

ndl_sub(lcm,HDL(p2),DL(m));

Line 2773 int nd_sp(int mod,ND_pairs p,ND *rp)

Line 2771 int nd_sp(int mod,ND_pairs p,ND *rp)

nd_free(t1);

return 0;

}

t2 = ndv_mul_nm(mod,p2,m);

t2 = ndv_mul_nm(mod,m,p2);

*rp = nd_add(mod,t1,t2);

FREENM(m);

return 1;

Line 2804 void ndv_mul_c_q(NDV p,Q mul)

Line 2802 void ndv_mul_c_q(NDV p,Q mul)

}

ND ndv_mul_nm(int mod,NDV p,NM m0)

ND weyl_ndv_mul_nm(int mod,NM m0,NDV p) {

int n2,i,j,l,n,tlen;

unsigned int *d0;

NM *tab,*psum;

ND s,r;

NM t;

NMV m1;

if ( !p ) return 0;

n = NV(p); n2 = n>>1;

d0 = DL(m0);

l = LEN(p);

for ( i = 0, tlen = 1; i < n2; i++ ) tlen *= (GET_EXP(d0,n2+i)+1);

tab = (NM *)ALLOCA(tlen*sizeof(NM));

psum = (NM *)ALLOCA(tlen*sizeof(NM));

for ( i = 0; i < tlen; i++ ) psum[i] = 0;

m1 = (NMV)(((char *)BDY(p))+nmv_adv*(l-1));

for ( i = l-1; i >= 0; i--, NMV_PREV(m1) ) {

/* m0(NM) * m1(NMV) => tab(NM) */

weyl_mul_nm_nmv(n,mod,m0,m1,tab,tlen);

for ( j = 0; j < tlen; j++ ) {

if ( tab[j] ) {

NEXT(tab[j]) = psum[j]; psum[j] = tab[j];

}

for ( i = tlen-1, r = 0; i >= 0; i-- )

if ( psum[i] ) {

for ( j = 0, t = psum[i]; t; t = NEXT(t), j++ );

MKND(n,psum[i],j,s);

r = nd_add(mod,r,s);

}

if ( r ) SG(r) = SG(p)+TD(d0);

return r;

}

/* product of monomials */

/* XXX block order is not handled correctly */

void weyl_mul_nm_nmv(int n,int mod,NM m0,NMV m1,NM *tab,int tlen)

{

int i,n2,j,s,curlen,homo,h,a,b,k,l,u,min;

unsigned int *d0,*d1,*d,*dt,*ctab;

Q *ctab_q;

Q q,q1;

unsigned int c0,c1,c;

NM *p;

NM m,t;

for ( i = 0; i < tlen; i++ ) tab[i] = 0;

if ( !m0 || !m1 ) return;

d0 = DL(m0); d1 = DL(m1); n2 = n>>1;

NEWNM(m); d = DL(m);

if ( mod ) {

c0 = CM(m0); c1 = CM(m1); DMAR(c0,c1,0,mod,c); CM(m) = c;

} else

mulq(CQ(m0),CQ(m1),&CQ(m));

for ( i = 0; i < nd_wpd; i++ ) d[i] = 0;

homo = n&1 ? 1 : 0;

if ( homo ) {

/* offset of h-degree */

h = GET_EXP(d0,n-1)+GET_EXP(d1,n-1);

PUT_EXP(DL(m),n-1,h);

TD(DL(m)) = h;

if ( nd_blockmask ) ndl_set_blockweight(DL(m));

}

tab[0] = m;

NEWNM(m); d = DL(m);

for ( i = 0, curlen = 1; i < n2; i++ ) {

a = GET_EXP(d0,i); b = GET_EXP(d1,n2+i);

k = GET_EXP(d0,n2+i); l = GET_EXP(d1,i);

/* xi^a*(Di^k*xi^l)*Di^b */

a += l; b += k;

s = MUL_WEIGHT(a,i)+MUL_WEIGHT(b,n2+i);

if ( !k || !l ) {

for ( j = 0; j < curlen; j++ )

if ( t = tab[j] ) {

dt = DL(t);

PUT_EXP(dt,i,a); PUT_EXP(dt,n2+i,b); TD(dt) += s;

if ( nd_blockmask ) ndl_set_blockweight(dt);

}

curlen *= k+1;

continue;

}

min = MIN(k,l);

if ( mod ) {

ctab = (unsigned int *)ALLOCA((min+1)*sizeof(unsigned int));

mkwcm(k,l,mod,ctab);

} else {

ctab_q = (Q *)ALLOCA((min+1)*sizeof(Q));

mkwc(k,l,ctab_q);

}

for ( j = min; j >= 0; j-- ) {

for ( u = 0; u < nd_wpd; u++ ) d[u] = 0;

PUT_EXP(d,i,a-j); PUT_EXP(d,n2+i,b-j);

h = MUL_WEIGHT(a-j,i)+MUL_WEIGHT(b-j,n2+i);

if ( homo ) {

TD(d) = s;

PUT_EXP(d,n-1,s-h);

} else TD(d) = h;

if ( nd_blockmask ) ndl_set_blockweight(d);

if ( mod ) c = ctab[j];

else q = ctab_q[j];

p = tab+curlen*j;

if ( j == 0 ) {

for ( u = 0; u < curlen; u++, p++ ) {

if ( tab[u] ) {

ndl_addto(DL(tab[u]),d);

if ( mod ) {

c0 = CM(tab[u]); DMAR(c0,c,0,mod,c1); CM(tab[u]) = c1;

} else {

mulq(CQ(tab[u]),q,&q1); CQ(tab[u]) = q1;

}

} else {

for ( u = 0; u < curlen; u++, p++ ) {

if ( tab[u] ) {

NEWNM(t);

ndl_add(DL(tab[u]),d,DL(t));

if ( mod ) {

c0 = CM(tab[u]); DMAR(c0,c,0,mod,c1); CM(t) = c1;

} else

mulq(CQ(tab[u]),q,&CQ(t));

*p = t;

}

curlen *= k+1;

}

FREENM(m);

}

ND ndv_mul_nm(int mod,NM m0,NDV p)

{

NM mr,mr0;

NMV m;

unsigned int *d,*dt,*dm;

Line 2814 ND ndv_mul_nm(int mod,NDV p,NM m0)

Line 2946 ND ndv_mul_nm(int mod,NDV p,NM m0)

ND r;

if ( !p ) return 0;

else if ( do_weyl )

return weyl_ndv_mul_nm(mod,m0,p);

else {

n = NV(p); m = BDY(p);

d = DL(m0);

Line 2850 void ndv_realloc(NDV p,int obpe,int oadv,EPOS oepos)

Line 2984 void ndv_realloc(NDV p,int obpe,int oadv,EPOS oepos)

int len,i,k;

#define NMV_OPREV(m) (m = (NMV)(((char *)m)-oadv))

#define NMV_PREV(m) (m = (NMV)(((char *)m)-nmv_adv))

if ( p ) {

m = BDY(p); len = LEN(p);

Line 3037 void nd_init_ord(struct order_spec *ord)

Line 3170 void nd_init_ord(struct order_spec *ord)

nd_isrlex = 0;

ndl_compare_function = ndl_lex_compare;

break;

case 11:

/* XXX */

nd_dcomp = 0;

nd_isrlex = 1;

ndl_compare_function = ndl_ww_lex_compare;

break;

default:

error("nd_gr : unsupported order");

}

Line 3076 BlockMask nd_create_blockmask(struct order_spec *ord)

Line 3215 BlockMask nd_create_blockmask(struct order_spec *ord)

}

return bm;

}

EPOS nd_create_epos(struct order_spec *ord)

{

int i,j,l,s,ord_l,ord_o;

EPOS epos;

struct order_pair *op;

epos = (EPOS)MALLOC_ATOMIC(nd_nvar*sizeof(struct oEPOS));

switch ( ord->id ) {

case 0:

if ( nd_isrlex ) {

for ( i = 0; i < nd_nvar; i++ ) {

epos[i].i = nd_exporigin + (nd_nvar-1-i)/nd_epw;

epos[i].s = (nd_epw-((nd_nvar-1-i)%nd_epw)-1)*nd_bpe;

}

} else {

for ( i = 0; i < nd_nvar; i++ ) {

epos[i].i = nd_exporigin + i/nd_epw;

epos[i].s = (nd_epw-(i%nd_epw)-1)*nd_bpe;

}

break;

case 1:

/* block order */

l = ord->ord.block.length;

op = ord->ord.block.order_pair;

for ( j = 0, s = 0; j < l; j++ ) {

ord_o = op[j].order;

ord_l = op[j].length;

if ( !ord_o )

for ( i = 0; i < ord_l; i++ ) {

epos[s+i].i = nd_exporigin + (s+ord_l-i-1)/nd_epw;

epos[s+i].s = (nd_epw-((s+ord_l-i-1)%nd_epw)-1)*nd_bpe;

}

else

for ( i = 0; i < ord_l; i++ ) {

epos[s+i].i = nd_exporigin + (s+i)/nd_epw;

epos[s+i].s = (nd_epw-((s+i)%nd_epw)-1)*nd_bpe;

}

s += ord_l;

}

break;

case 2:

error("nd_create_epos : matrix order is not supported yet.");

}

return epos;

}

/* external interface */

void nd_nf_p(P f,LIST g,LIST v,int m,struct order_spec *ord,P *rp)

{

NODE t;

ND nd,nf;

VL vv;

DP d,r,dm;

int stat;

pltovl(v,&vv);

nd_nvar = length(vv);

nd_init_ord(ord);

initd(ord);

for ( t = BDY(g); NEXT(t); t = NEXT(t) ) {

ptod(CO,vv,(P)BDY(t),&d); BDY(t) = (pointer)d;

}

ptod(CO,vv,(P)BDY(t),&d); BDY(t) = (pointer)d;

NEWNODE(NEXT(t)); ptod(CO,vv,f,&d); BDY(NEXT(t)) = d; NEXT(NEXT(t)) = 0;

nd_setup(m,0,BDY(g));

nd_psn--;

nd_scale=2;

while ( 1 ) {

nd = (pointer)ndvtond(m,nd_ps[nd_psn]);

stat = nd_nf(m,nd,nd_ps,1,&nf);

if ( !stat ) {

nd_psn++;

nd_reconstruct(m,0,0);

nd_psn--;

} else

break;

}

r = (DP)ndtodp(m,nf);

if ( m ) _dtop_mod(CO,vv,r,rp);

else dtop(CO,vv,r,rp);

}

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