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Diff for /OpenXM_contrib2/asir2000/engine/nd.c between version 1.38 and 1.61

version 1.38, 2003/08/20 08:56:29

version 1.61, 2003/09/10 05:14:32

Line 1

/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.37 2003/08/20 08:38:20 noro Exp $ */

/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.60 2003/09/06 01:33:26 noro Exp $ */

#include "ca.h"

#include "inline.h"

Line 11

#define INLINE

#endif

typedef unsigned int UINT;

#define USE_GEOBUCKET 1

#define REDTAB_LEN 32003

/* GeoBucket for polynomial addition */

typedef struct oPGeoBucket {

int m;

struct oND *body[32];

} *PGeoBucket;

/* distributed polynomial; linked list rep. */

typedef struct oND {

struct oNM *body;

int nv;

Line 27 typedef struct oND {

Line 32 typedef struct oND {

int sugar;

} *ND;

/* distributed polynomial; array rep. */

typedef struct oNDV {

struct oNMV *body;

int nv;

Line 34 typedef struct oNDV {

Line 40 typedef struct oNDV {

int sugar;

} *NDV;

/* monomial; linked list rep. */

typedef struct oNM {

struct oNM *next;

union {

int m;

Q z;

P p;

} c;

unsigned int dl[1];

UINT dl[1];

} *NM;

/* monomial; array rep. */

typedef struct oNMV {

union {

int m;

Q z;

P p;

} c;

unsigned int dl[1];

UINT dl[1];

} *NMV;

/* history of reducer */

typedef struct oRHist {

struct oRHist *next;

int index;

int sugar;

unsigned int dl[1];

UINT dl[1];

} *RHist;

/* S-pair list */

typedef struct oND_pairs {

struct oND_pairs *next;

int i1,i2;

int sugar;

unsigned int lcm[1];

UINT lcm[1];

} *ND_pairs;

int (*nd_compare_function)(unsigned int *a1,unsigned int *a2);

/* index and shift count for each exponent */

typedef struct oEPOS {

int i; /* index */

int s; /* shift */

} *EPOS;

double nd_scale=2;

typedef struct oBlockMask {

static unsigned int **nd_bound;

int n;

int nd_nvar;

struct order_pair *order_pair;

int nd_isrlex;

UINT **mask;

int nd_epw,nd_bpe,nd_wpd;

} *BlockMask;

unsigned int nd_mask[32];

unsigned int nd_mask0,nd_mask1;

NM _nm_free_list;

typedef struct oBaseSet {

ND _nd_free_list;

int len;

ND_pairs _ndp_free_list;

NDV *ps;

UINT **bound;

} *BaseSet;

int (*ndl_compare_function)(UINT *a1,UINT *a2);

static double nd_scale=2;

static UINT **nd_bound;

static struct order_spec *nd_ord;

static EPOS nd_epos;

static BlockMask nd_blockmask;

static int nd_nvar;

static int nd_isrlex;

static int nd_epw,nd_bpe,nd_wpd,nd_exporigin;

static UINT nd_mask[32];

static UINT nd_mask0,nd_mask1;

static NM _nm_free_list;

static ND _nd_free_list;

static ND_pairs _ndp_free_list;

static NDV *nd_ps;

static NDV *nd_psq;

static NDV *nd_ps_trace;

RHist *nd_psh;

static RHist *nd_psh;

int nd_psn,nd_pslen;

static int nd_psn,nd_pslen;

RHist *nd_red;

static RHist *nd_red;

int nd_red_len;

int nd_found,nd_create,nd_notfirst;

static int nd_found,nd_create,nd_notfirst;

int nm_adv;

static int nm_adv;

int nmv_adv;

static int nmv_adv;

int nd_dcomp;

static int nd_dcomp;

extern int Top,Reverse,dp_nelim;

extern VL CO;

extern int Top,Reverse,dp_nelim,do_weyl;

extern int *current_weyl_weight_vector;

/* fundamental macros */

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

#define HDL(d) ((d)->body->dl)

#define HTD(d) (TD(HDL(d)))

#define HCM(d) ((d)->body->c.m)

#define HCQ(d) ((d)->body->c.z)

#define HCP(d) ((d)->body->c.p)

#define CM(a) ((a)->c.m)

#define CQ(a) ((a)->c.z)

#define CP(a) ((a)->c.p)

#define DL(a) ((a)->dl)

#define SG(a) ((a)->sugar)

#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))

#define TD_DL_COMPARE(d1,d2)\

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

(TD(d1)>TD(d2)?1:(TD(d1)<TD(d2)?-1:ndl_lex_compare(d1+1,d2+1)))

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

/* macros for term comparison */

#define TD_DL_COMPARE(d1,d2)\

(TD(d1)>TD(d2)?1:(TD(d1)<TD(d2)?-1:ndl_lex_compare(d1,d2)))

#if 0

#define DL_COMPARE(d1,d2)\

(nd_dcomp?TD_DL_COMPARE(d1,d2):(*nd_compare_function)(d1,d2))

(nd_dcomp>0?TD_DL_COMPARE(d1,d2)\

:(nd_dcomp==0?ndl_lex_compare(d1,d2)\

:(nd_blockmask?ndl_block_compare(d1,d2)\

:(*ndl_compare_function)(d1,d2))))

#else

#define DL_COMPARE(d1,d2)\

(nd_dcomp>0?TD_DL_COMPARE(d1,d2):(*ndl_compare_function)(d1,d2))

#endif

#define NM_ADV(m) (m = (NM)(((char *)m)+nm_adv))

/* allocators */

#define NEWRHist(r) \

((r)=(RHist)MALLOC(sizeof(struct oRHist)+nd_wpd*sizeof(unsigned int)))

((r)=(RHist)MALLOC(sizeof(struct oRHist)+(nd_wpd-1)*sizeof(UINT)))

#define NEWND_pairs(m) \

if(!_ndp_free_list)_NDP_alloc();\

(m)=_ndp_free_list; _ndp_free_list = NEXT(_ndp_free_list)

Line 125 if(!_nm_free_list)_NM_alloc();\

Line 177 if(!_nm_free_list)_NM_alloc();\

if(!_nd_free_list)_ND_alloc();\

(d)=_nd_free_list; _nd_free_list = (ND)BDY(_nd_free_list);\

NV(d)=(n); LEN(d)=(len); BDY(d)=(m)

#define NEWNDV(d) ((d)=(NDV)MALLOC(sizeof(struct oNDV)))

#define MKNDV(n,m,l,d) NEWNDV(d); NV(d)=(n); BDY(d)=(m); LEN(d) = l;

/* allocate and link a new object */

#define NEXTRHist(r,c) \

if(!(r)){NEWRHist(r);(c)=(r);}else{NEWRHist(NEXT(c));(c)=NEXT(c);}

#define NEXTNM(r,c) \

if(!(r)){NEWNM(r);(c)=(r);}else{NEWNM(NEXT(c));(c)=NEXT(c);}

#define NEXTNM2(r,c,s) \

if(!(r)){(c)=(r)=(s);}else{NEXT(c)=(s);(c)=(s);}

#define NEXTND_pairs(r,c) \

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

/* deallocators */

#define FREENM(m) NEXT(m)=_nm_free_list; _nm_free_list=(m)

#define FREENDP(m) NEXT(m)=_ndp_free_list; _ndp_free_list=(m)

#define FREEND(m) BDY(m)=(NM)_nd_free_list; _nd_free_list=(m)

#define NEXTND_pairs(r,c) \

/* macro for increasing pointer to NMV */

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

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

#define NMV_OADV(m) (m = (NMV)(((char *)m)+oadv))

#define NDV_NADV(m) (m = (NMV)(((char *)m)+newadv))

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

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

void nd_init_ord(struct order_spec *spec);

int nd_check_candidate(NODE input,NODE cand);

/* external functions */

void GC_gcollect();

NODE append_one(NODE,int);

/* manipulation of coefficients */

void nd_removecont(int mod,ND p);

void nd_removecont2(ND p1,ND p2);

void ndv_removecont(int mod,NDV p);

void removecont_array(Q *c,int n);

void ndv_dehomogenize(NDV p);

void ndv_mul_c_q(NDV p,Q mul);

/* GeoBucket functions */

void nd_mul_c_q(ND p,Q mul);

ND normalize_pbucket(int mod,PGeoBucket g);

int head_pbucket(int mod,PGeoBucket g);

int head_pbucket_q(PGeoBucket g);

Line 155 void add_pbucket(int mod,PGeoBucket g,ND d);

Line 220 void add_pbucket(int mod,PGeoBucket g,ND d);

void free_pbucket(PGeoBucket b);

void mulq_pbucket(PGeoBucket g,Q c);

PGeoBucket create_pbucket();

ND nd_remove_head(ND p);

void GC_gcollect();

/* manipulation of pairs and bases */

NODE append_one(NODE,int);

int nd_newps(int mod,ND a,ND aq);

NODE nd_reducebase(NODE x);

ND_pairs nd_newpairs( NODE g, int t );

void removecont_array(Q *c,int n);

ND_pairs crit_B( ND_pairs d, int s );

void nd_gr(LIST f,LIST v,int m,struct order_spec *ord,LIST *rp);

void nd_gr_trace(LIST f,LIST v,int m,int homo,struct order_spec *ord,LIST *rp);

void nd_setup(int mod,NODE f);

void nd_setup_trace(int mod,NODE f);

int nd_newps(int mod,ND a);

int nd_newps_trace(int mod,ND nf,ND nfq);

ND_pairs nd_minp( ND_pairs d, ND_pairs *prest );

NODE update_base(NODE nd,int ndp);

static ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest );

int crit_2( int dp1, int dp2 );

ND_pairs crit_F( ND_pairs d1 );

ND_pairs crit_M( ND_pairs d1 );

ND_pairs nd_newpairs( NODE g, int t );

ND_pairs update_pairs( ND_pairs d, NODE /* of index */ g, int t);

ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest );

ND_pairs crit_B( ND_pairs d, int s );

ND_pairs crit_M( ND_pairs d1 );

ND_pairs crit_F( ND_pairs d1 );

int crit_2( int dp1, int dp2 );

/* top level functions */

void nd_gr(LIST f,LIST v,int m,struct order_spec *ord,LIST *rp);

void nd_gr_trace(LIST f,LIST v,int trace,int homo,struct order_spec *ord,LIST *rp);

NODE nd_gb(int m,int checkonly);

NODE nd_gb_trace(int m);

/* ndl functions */

int ndl_weight(UINT *d);

void ndl_weight_mask(UINT *d);

void ndl_homogenize(UINT *d,UINT *r,int obpe,EPOS oepos,int weight);

void ndl_dehomogenize(UINT *p);

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

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

INLINE int ndl_lex_compare(UINT *d1,UINT *d2);

INLINE int ndl_block_compare(UINT *d1,UINT *d2);

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

INLINE void ndl_copy(UINT *d1,UINT *d2);

INLINE void ndl_zero(UINT *d);

INLINE void ndl_add(UINT *d1,UINT *d2,UINT *d);

INLINE void ndl_addto(UINT *d1,UINT *d2);

INLINE void ndl_sub(UINT *d1,UINT *d2,UINT *d);

INLINE int ndl_hash_value(UINT *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,int trace,ND_pairs p,ND *nf);

int nd_nf(int mod,ND g,NDV *ps,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 */

NODE ndv_reducebase(NODE x);

NODE ndv_reduceall(int m,NODE f);

/* allocators */

void nd_free_private_storage();

void _NM_alloc();

void _ND_alloc();

int ndl_td(unsigned int *d);

void ndl_dehomogenize(unsigned int *p);

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

ND nd_add_q(ND p1,ND p2);

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

int nd_find_reducer(ND g);

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

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

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

int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full,ND *rp);

int nd_nf_direct_pbucket(int mod,ND g,NDV *ps,int len,int full,ND *rp);

ND nd_reduce(ND p1,ND p2);

ND nd_reduce_special(ND p1,ND p2);

NODE nd_reduceall(int m,NODE f);

int nd_gbcheck(int m,NODE f);

int nd_membercheck(int m,NODE f);

void nd_free(ND p);

void ndv_free(NDV p);

void nd_free_redlist();

void ndl_print(unsigned int *dl);

/* printing */

void ndl_print(UINT *dl);

void nd_print(ND p);

void nd_print_q(ND p);

void ndv_print(NDV p);

void ndv_print_q(NDV p);

void ndp_print(ND_pairs d);

int nd_length(ND p);

void nd_mul_c(int mod,ND p,int mul);

void nd_free_redlist();

/* setup, reconstruct */

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

void nd_init_ord(struct order_spec *spec);

unsigned int *nd_compute_bound(ND p);

unsigned int *dp_compute_bound(DP p);

ND_pairs nd_reconstruct(int mod,int trace,ND_pairs ndp);

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

void nd_setup_parameters();

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

void nd_realloc(ND p,int obpe);

void nd_setup_parameters(int nvar,int max);

BlockMask nd_create_blockmask(struct order_spec *ord);

EPOS nd_create_epos(struct order_spec *ord);

int nd_get_exporigin(struct order_spec *ord);

void ndv_mod(int mod,NDV p);

NDV ndv_dup(int mod,NDV p);

/* ND functions */

int ndv_check_candidate(NODE input,int obpe,int oadv,EPOS oepos,NODE cand);

void nd_mul_c(int mod,ND p,int mul);

void nd_mul_c_q(ND p,Q mul);

void nd_mul_c_p(VL vl,ND p,P mul);

ND nd_remove_head(ND p);

int nd_length(ND p);

void nd_append_red(UINT *d,int i);

UINT *ndv_compute_bound(NDV p);

ND nd_copy(ND p);

void ndl_dup(int obpe,unsigned int *d,unsigned int *r);

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

ND nd_add_q(ND p1,ND p2);

INLINE int nd_length(ND p);

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

/* NDV functions */

#define NEWNDV(d) ((d)=(NDV)MALLOC(sizeof(struct oNDV)))

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

#define MKNDV(n,m,l,d) NEWNDV(d); NV(d)=(n); BDY(d)=(m); LEN(d) = l;

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);

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

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

NDV ndv_dup_realloc(NDV p,int obpe,int oadv,EPOS oepos);

void ndv_homogenize(NDV p,int obpe,int oadv,EPOS eops);

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

void ndv_removecont(int mod,NDV p);

void ndv_print(NDV p);

void ndv_print_q(NDV p);

void ndv_free(NDV p);

/* converters */

ND ptond(VL vl,VL dvl,P p);

NDV ptondv(VL vl,VL dvl,P p);

P ndvtop(int mod,VL vl,VL dvl,NDV p);

NDV ndtondv(int mod,ND p);

ND ndvtond(int mod,NDV p);

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

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

NDV dptondv(int,DP);

DP ndvtodp(int,NDV);

ND dptond(int,DP);

DP ndtodp(int,ND);

void nd_free_private_storage()

{

Line 247 void _NM_alloc()

Line 345 void _NM_alloc()

int i;

for ( i = 0; i < 1024; i++ ) {

p = (NM)GC_malloc(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int));

p = (NM)GC_malloc(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));

p->next = _nm_free_list; _nm_free_list = p;

}

Line 270 void _NDP_alloc()

Line 368 void _NDP_alloc()

for ( i = 0; i < 1024; i++ ) {

p = (ND_pairs)GC_malloc(sizeof(struct oND_pairs)

+nd_wpd*sizeof(unsigned int));

+(nd_wpd-1)*sizeof(UINT));

p->next = _ndp_free_list; _ndp_free_list = p;

}

Line 288 INLINE int nd_length(ND p)

Line 386 INLINE int nd_length(ND p)

}

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

INLINE int ndl_reducible(UINT *d1,UINT *d2)

{

unsigned int u1,u2;

UINT u1,u2;

int i,j;

if ( TD(d1) < TD(d2) ) return 0;

switch ( nd_bpe ) {

case 4:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

if ( (u1&0xf0000000) < (u2&0xf0000000) ) return 0;

if ( (u1&0xf000000) < (u2&0xf000000) ) return 0;

Line 310 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 408 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 6:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

if ( (u1&0x3f000000) < (u2&0x3f000000) ) return 0;

if ( (u1&0xfc0000) < (u2&0xfc0000) ) return 0;

Line 321 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 419 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 8:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

if ( (u1&0xff000000) < (u2&0xff000000) ) return 0;

if ( (u1&0xff0000) < (u2&0xff0000) ) return 0;

Line 331 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 429 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 16:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

if ( (u1&0xffff0000) < (u2&0xffff0000) ) return 0;

if ( (u1&0xffff) < (u2&0xffff) ) return 0;

Line 339 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 437 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 32:

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

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

if ( d1[i] < d2[i] ) return 0;

return 1;

break;

default:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

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

if ( (u1&nd_mask[j]) < (u2&nd_mask[j]) ) return 0;

Line 353 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 451 INLINE int ndl_reducible(unsigned int *d1,unsigned int

}

void ndl_dehomogenize(unsigned int *d)

* If the current order is a block order,

* then the last block is length 1 and contains

* the homo variable. Otherwise, the original

* order is either 0 or 2.

void ndl_homogenize(UINT *d,UINT *r,int obpe,EPOS oepos,int weight)

{

unsigned int mask;

int w,i,e,n,omask0;

unsigned int h;

omask0 = (1<<obpe)-1;

n = nd_nvar-1;

ndl_zero(r);

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

e = GET_EXP_OLD(d,i);

PUT_EXP(r,i,e);

}

w = TD(d);

PUT_EXP(r,nd_nvar-1,weight-w);

TD(r) = weight;

if ( nd_blockmask ) ndl_weight_mask(r);

}

void ndl_dehomogenize(UINT *d)

{

UINT mask;

UINT h;

int i,bits;

if ( nd_isrlex ) {

if ( nd_blockmask ) {

if ( nd_bpe == 32 ) {

h = GET_EXP(d,nd_nvar-1);

h = d[1];

XOR_EXP(d,nd_nvar-1,h);

for ( i = 2; i <= nd_wpd; i++ )

TD(d) -= h;

d[i-1] = d[i];

d[nd_exporigin-1] -= h;

d[i-1] = 0;

} else {

TD(d) -= h;

if ( nd_isrlex ) {

if ( nd_bpe == 32 ) {

h = d[nd_exporigin];

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

d[i-1] = d[i];

d[i-1] = 0;

TD(d) -= h;

} else {

bits = nd_epw*nd_bpe;

mask = bits==32?0xffffffff:((1<<(nd_epw*nd_bpe))-1);

h = (d[nd_exporigin]>>((nd_epw-1)*nd_bpe))&nd_mask0;

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

d[i] = ((d[i]<<nd_bpe)&mask)

|(i+1<nd_wpd?((d[i+1]>>((nd_epw-1)*nd_bpe))&nd_mask0):0);

TD(d) -= h;

}

} else {

bits = nd_epw*nd_bpe;

h = GET_EXP(d,nd_nvar-1);

mask = bits==32?0xffffffff:((1<<(nd_epw*nd_bpe))-1);

XOR_EXP(d,nd_nvar-1,h);

h = (d[1]>>((nd_epw-1)*nd_bpe))&nd_mask0;

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

d[i] = ((d[i]<<nd_bpe)&mask)

|(i+1<=nd_wpd?((d[i+1]>>((nd_epw-1)*nd_bpe))&nd_mask0):0);

TD(d) -= h;

}

} else

}

TD(d) -= ((d[(nd_nvar-1)/nd_epw+1]>>

((nd_epw-((nd_nvar-1)%nd_epw)-1)*nd_bpe))&((1<<nd_bpe)-1));

}

void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned int *d)

void ndl_lcm(UINT *d1,unsigned *d2,UINT *d)

{

unsigned int t1,t2,u,u1,u2;

UINT t1,t2,u,u1,u2;

int i,j;

int i,j,l;

switch ( nd_bpe ) {

case 4:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

t1 = (u1&0xf0000000); t2 = (u2&0xf0000000); u = t1>t2?t1:t2;

t1 = (u1&0xf000000); t2 = (u2&0xf000000); u |= t1>t2?t1:t2;

Line 401 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 532 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

case 6:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

t1 = (u1&0x3f000000); t2 = (u2&0x3f000000); u = t1>t2?t1:t2;

t1 = (u1&0xfc0000); t2 = (u2&0xfc0000); u |= t1>t2?t1:t2;

Line 412 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

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

}

break;

case 8:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

t1 = (u1&0xff000000); t2 = (u2&0xff000000); u = t1>t2?t1:t2;

t1 = (u1&0xff0000); t2 = (u2&0xff0000); u |= t1>t2?t1:t2;

Line 422 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 553 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

case 16:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

t1 = (u1&0xffff0000); t2 = (u2&0xffff0000); u = t1>t2?t1:t2;

t1 = (u1&0xffff); t2 = (u2&0xffff); u |= t1>t2?t1:t2;

Line 430 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 561 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

case 32:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

d[i] = u1>u2?u1:u2;

}

break;

default:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

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

t1 = (u1&nd_mask[j]); t2 = (u2&nd_mask[j]); u |= t1>t2?t1:t2;

Line 445 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 576 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

}

TD(d) = ndl_td(d);

TD(d) = ndl_weight(d);

if ( nd_blockmask ) ndl_weight_mask(d);

}

int ndl_td(unsigned int *d)

int ndl_weight(UINT *d)

{

unsigned int t,u;

UINT t,u;

int i,j;

for ( t = 0, i = 1; 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;

}

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

void ndl_weight_mask(UINT *d)

{

UINT t,u;

UINT *mask;

int i,j,k,l;

l = nd_blockmask->n;

for ( k = 0; k < l; k++ ) {

mask = nd_blockmask->mask[k];

if ( current_dl_weight_vector )

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

u = GET_EXP_MASK(d,i,mask);

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);

}

d[k+1] = t;

}

int ndl_lex_compare(UINT *d1,UINT *d2)

{

int i;

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

d1 += nd_exporigin;

d2 += nd_exporigin;

for ( i = nd_exporigin; i < nd_wpd; i++, d1++, d2++ )

if ( *d1 > *d2 )

return nd_isrlex ? -1 : 1;

else if ( *d1 < *d2 )

Line 473 INLINE int ndl_lex_compare(unsigned int *d1,unsigned i

Line 637 INLINE int ndl_lex_compare(unsigned int *d1,unsigned i

return 0;

}

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

int ndl_block_compare(UINT *d1,UINT *d2)

{

int i,l,j,ord_o,ord_l;

struct order_pair *op;

UINT t1,t2,m;

UINT *mask;

l = nd_blockmask->n;

op = nd_blockmask->order_pair;

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

mask = nd_blockmask->mask[j];

ord_o = op[j].order;

if ( ord_o < 2 )

if ( (t1=d1[j+1]) > (t2=d2[j+1]) ) return 1;

else if ( t1 < t2 ) return -1;

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

m = mask[i];

t1 = d1[i]&m;

t2 = d2[i]&m;

if ( t1 > t2 )

return !ord_o ? -1 : 1;

else if ( t1 < t2 )

return !ord_o ? 1 : -1;

}

return 0;

}

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

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

{

int i;

if ( *d1++ != *d2++ ) return 0;

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

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

if ( *d1++ != *d2++ )

return 0;

return 1;

}

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

INLINE void ndl_copy(UINT *d1,UINT *d2)

{

int i;

switch ( nd_wpd ) {

case 1:

case 2:

TD(d2) = TD(d1);

d2[1] = d1[1];

break;

case 2:

case 3:

TD(d2) = TD(d1);

d2[1] = d1[1];

d2[2] = d1[2];

break;

default:

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

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

d2[i] = d1[i];

break;

}

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

INLINE void ndl_zero(UINT *d)

{

int i;

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

}

TD(d) = TD(d1)+TD(d2);

INLINE void ndl_add(UINT *d1,UINT *d2,UINT *d)

{

int i;

#if 1

switch ( nd_wpd ) {

case 1:

case 2:

TD(d) = TD(d1)+TD(d2);

d[1] = d1[1]+d2[1];

break;

case 2:

case 3:

TD(d) = TD(d1)+TD(d2);

d[1] = d1[1]+d2[1];

d[2] = d1[2]+d2[2];

break;

default:

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

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

d[i] = d1[i]+d2[i];

break;

}

#else

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

#endif

}

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

/* d1 += d2 */

INLINE void ndl_addto(UINT *d1,UINT *d2)

{

int i;

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

#if 1

d[i] = d1[i]-d2[i];

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

}

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

INLINE void ndl_sub(UINT *d1,UINT *d2,UINT *d)

{

unsigned int t1,t2,u,u1,u2;

int i;

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

}

int ndl_disjoint(UINT *d1,UINT *d2)

{

UINT t1,t2,u,u1,u2;

int i,j;

switch ( nd_bpe ) {

case 4:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

t1 = u1&0xf0000000; t2 = u2&0xf0000000; if ( t1&&t2 ) return 0;

t1 = u1&0xf000000; t2 = u2&0xf000000; if ( t1&&t2 ) return 0;

Line 554 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 797 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 6:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

t1 = u1&0x3f000000; t2 = u2&0x3f000000; if ( t1&&t2 ) return 0;

t1 = u1&0xfc0000; t2 = u2&0xfc0000; if ( t1&&t2 ) return 0;

Line 565 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 808 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 8:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

t1 = u1&0xff000000; t2 = u2&0xff000000; if ( t1&&t2 ) return 0;

t1 = u1&0xff0000; t2 = u2&0xff0000; if ( t1&&t2 ) return 0;

Line 575 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 818 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 16:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

t1 = u1&0xffff0000; t2 = u2&0xffff0000; if ( t1&&t2 ) return 0;

t1 = u1&0xffff; t2 = u2&0xffff; if ( t1&&t2 ) return 0;

Line 583 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 826 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 32:

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

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

if ( d1[i] && d2[i] ) return 0;

return 1;

break;

default:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

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

if ( (u1&nd_mask0) && (u2&nd_mask0) ) return 0;

Line 600 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 843 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

}

int ndl_check_bound2(int index,unsigned int *d2)

int ndl_check_bound2(int index,UINT *d2)

{

unsigned int u2;

UINT u2;

unsigned int *d1;

UINT *d1;

int i,j,ind,k;

d1 = nd_bound[index];

ind = 0;

switch ( nd_bpe ) {

case 4:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u2 = d2[i];

if ( d1[ind++]+((u2>>28)&0xf) >= 0x10 ) return 1;

if ( d1[ind++]+((u2>>24)&0xf) >= 0x10 ) return 1;

Line 624 int ndl_check_bound2(int index,unsigned int *d2)

Line 867 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 6:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u2 = d2[i];

if ( d1[ind++]+((u2>>24)&0x3f) >= 0x40 ) return 1;

if ( d1[ind++]+((u2>>18)&0x3f) >= 0x40 ) return 1;

Line 635 int ndl_check_bound2(int index,unsigned int *d2)

Line 878 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 8:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u2 = d2[i];

if ( d1[ind++]+((u2>>24)&0xff) >= 0x100 ) return 1;

if ( d1[ind++]+((u2>>16)&0xff) >= 0x100 ) return 1;

Line 645 int ndl_check_bound2(int index,unsigned int *d2)

Line 888 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 16:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u2 = d2[i];

if ( d1[ind++]+((u2>>16)&0xffff) > 0x10000 ) return 1;

if ( d1[ind++]+(u2&0xffff) > 0x10000 ) return 1;

Line 653 int ndl_check_bound2(int index,unsigned int *d2)

Line 896 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 32:

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

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

if ( d1[i]+d2[i]<d1[i] ) return 1;

return 0;

break;

default:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u2 = d2[i];

k = (nd_epw-1)*nd_bpe;

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

Line 669 int ndl_check_bound2(int index,unsigned int *d2)

Line 912 int ndl_check_bound2(int index,unsigned int *d2)

}

int ndl_check_bound2_direct(unsigned int *d1,unsigned int *d2)

int ndl_check_bound2_direct(UINT *d1,UINT *d2)

{

unsigned int u1,u2;

UINT u2;

int i,j,k;

int i,j,ind,k;

ind = 0;

switch ( nd_bpe ) {

case 4:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

u2 = d2[i];

if ( ((u1>>28)&0xf)+((u2>>28)&0xf) >= 0x10 ) return 1;

if ( d1[ind++]+((u2>>28)&0xf) >= 0x10 ) return 1;

if ( ((u1>>24)&0xf)+((u2>>24)&0xf) >= 0x10 ) return 1;

if ( d1[ind++]+((u2>>24)&0xf) >= 0x10 ) return 1;

if ( ((u1>>20)&0xf)+((u2>>20)&0xf) >= 0x10 ) return 1;

if ( d1[ind++]+((u2>>20)&0xf) >= 0x10 ) return 1;

if ( ((u1>>16)&0xf)+((u2>>16)&0xf) >= 0x10 ) return 1;

if ( d1[ind++]+((u2>>16)&0xf) >= 0x10 ) return 1;

if ( ((u1>>12)&0xf)+((u2>>12)&0xf) >= 0x10 ) return 1;

if ( d1[ind++]+((u2>>12)&0xf) >= 0x10 ) return 1;

if ( ((u1>>8)&0xf)+((u2>>8)&0xf) >= 0x10 ) return 1;

if ( d1[ind++]+((u2>>8)&0xf) >= 0x10 ) return 1;

if ( ((u1>>4)&0xf)+((u2>>4)&0xf) >= 0x10 ) return 1;

if ( d1[ind++]+((u2>>4)&0xf) >= 0x10 ) return 1;

if ( (u1&0xf)+(u2&0xf) >= 0x10 ) return 1;

if ( d1[ind++]+(u2&0xf) >= 0x10 ) return 1;

}

return 0;

break;

case 6:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

u2 = d2[i];

if ( ((u1>>24)&0x3f)+((u2>>24)&0x3f) >= 0x40 ) return 1;

if ( d1[ind++]+((u2>>24)&0x3f) >= 0x40 ) return 1;

if ( ((u1>>18)&0x3f)+((u2>>18)&0x3f) >= 0x40 ) return 1;

if ( d1[ind++]+((u2>>18)&0x3f) >= 0x40 ) return 1;

if ( ((u1>>12)&0x3f)+((u2>>12)&0x3f) >= 0x40 ) return 1;

if ( d1[ind++]+((u2>>12)&0x3f) >= 0x40 ) return 1;

if ( ((u1>>6)&0x3f)+((u2>>6)&0x3f) >= 0x40 ) return 1;

if ( d1[ind++]+((u2>>6)&0x3f) >= 0x40 ) return 1;

if ( (u1&0x3f)+(u2&0x3f) >= 0x40 ) return 1;

if ( d1[ind++]+(u2&0x3f) >= 0x40 ) return 1;

}

return 0;

break;

case 8:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

u2 = d2[i];

if ( ((u1>>24)&0xff)+((u2>>24)&0xff) >= 0x100 ) return 1;

if ( d1[ind++]+((u2>>24)&0xff) >= 0x100 ) return 1;

if ( ((u1>>16)&0xff)+((u2>>16)&0xff) >= 0x100 ) return 1;

if ( d1[ind++]+((u2>>16)&0xff) >= 0x100 ) return 1;

if ( ((u1>>8)&0xff)+((u2>>8)&0xff) >= 0x100 ) return 1;

if ( d1[ind++]+((u2>>8)&0xff) >= 0x100 ) return 1;

if ( (u1&0xff)+(u2&0xff) >= 0x100 ) return 1;

if ( d1[ind++]+(u2&0xff) >= 0x100 ) return 1;

}

return 0;

break;

case 16:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

u2 = d2[i];

if ( ((u1>>16)&0xffff)+((u2>>16)&0xffff) > 0x10000 ) return 1;

if ( d1[ind++]+((u2>>16)&0xffff) > 0x10000 ) return 1;

if ( (u2&0xffff)+(u2&0xffff) > 0x10000 ) return 1;

if ( d1[ind++]+(u2&0xffff) > 0x10000 ) return 1;

}

return 0;

break;

case 32:

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

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

if ( d1[i]+d2[i]<d1[i] ) return 1;

return 0;

break;

default:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

u2 = d2[i];

k = (nd_epw-1)*nd_bpe;

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

if ( ((u1>>k)&nd_mask0)+((u2>>k)&nd_mask0) > nd_mask0 )

if ( d1[ind++]+((u2>>k)&nd_mask0) > nd_mask0 ) return 1;

return 1;

}

return 0;

break;

}

INLINE int ndl_hash_value(unsigned int *d)

INLINE int ndl_hash_value(UINT *d)

{

int i;

int r;

r = 0;

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

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

r = ((r<<16)+d[i])%REDTAB_LEN;

return r;

}

Line 750 INLINE int ndl_hash_value(unsigned int *d)

Line 993 INLINE int ndl_hash_value(unsigned int *d)

INLINE int nd_find_reducer(ND g)

{

RHist r;

unsigned int *dg;

UINT *dg;

int d,k,i;

dg = HDL(g);

#if 1

d = ndl_hash_value(HDL(g));

for ( r = nd_red[d], k = 0; r; r = NEXT(r), k++ ) {

if ( ndl_equal(dg,DL(r)) ) {

Line 762 INLINE int nd_find_reducer(ND g)

Line 1006 INLINE int nd_find_reducer(ND g)

return r->index;

}

#endif

if ( Reverse )

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

r = nd_psh[i];

Line 792 INLINE int nd_find_reducer_direct(ND g,NDV *ps,int len

Line 1037 INLINE int nd_find_reducer_direct(ND g,NDV *ps,int len

if ( Reverse )

for ( i = len-1; i >= 0; i-- ) {

r = ps[i];

if ( ndl_reducible(HDL(g),HDL(r)) ) {

if ( ndl_reducible(HDL(g),HDL(r)) )

nd_append_red(HDL(g),i);

return i;

}

else

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

r = ps[i];

if ( ndl_reducible(HDL(g),HDL(r)) ) {

if ( ndl_reducible(HDL(g),HDL(r)) )

nd_append_red(HDL(g),i);

return i;

}

return -1;

}

Line 905 ND nd_add_q(ND p1,ND p2)

Line 1146 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 925 int nd_nf(int mod,ND g,int full,ND *rp)

Line 1166 int nd_nf(int mod,ND g,int full,ND *rp)

sugar0 = sugar = SG(g);

n = NV(g);

mul = (NM)ALLOCA(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int));

mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));

for ( d = 0; g; ) {

index = nd_find_reducer(g);

if ( index >= 0 ) {

Line 935 int nd_nf(int mod,ND g,int full,ND *rp)

Line 1176 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 973 int nd_nf(int mod,ND g,int full,ND *rp)

Line 1213 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 997 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

Line 1237 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

bucket = create_pbucket();

add_pbucket(mod,bucket,g);

d = 0;

mul = (NM)ALLOCA(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int));

mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));

while ( 1 ) {

hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket);

if ( hindex < 0 ) {

Line 1016 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

Line 1256 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 1029 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

Line 1268 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 1069 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

Line 1308 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

}

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

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

{

ND d;

NM m,mrd,tail;

NM mul;

int n,sugar,psugar,sugar0,stat,index;

NDV *ps;

int n,sugar,psugar,sugar0,stat,index,len;

int c,c1,c2;

UINT **bound;

RHist h;

NDV p,red;

Q cg,cred,gcd;

Line 1093 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

Line 1334 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

hmag = 0;

#endif

ps = base->ps;

bound = base->bound;

len = base->len;

sugar0 = sugar = SG(g);

n = NV(g);

mul = (NM)ALLOCA(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int));

mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));

for ( d = 0; g; ) {

index = nd_find_reducer_direct(g,ps,len);

if ( index >= 0 ) {

p = ps[index];

ndl_sub(HDL(g),HDL(p),DL(mul));

if ( ndl_check_bound2_direct(HDL(p),DL(mul)) ) {

if ( ndl_check_bound2_direct(bound[index],DL(mul)) ) {

nd_free(g); nd_free(d);

return 0;

}

Line 1113 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

Line 1357 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

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 1141 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

Line 1385 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

return 1;

}

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

/* input : list of NDV, cand : list of NDV */

{

int hindex,index;

NDV p;

ND u,d,red;

NODE l;

NM mul,m,mrd,tail;

int sugar,psugar,n,h_reducible;

PGeoBucket bucket;

int c,c1,c2;

Q cg,cred,gcd,zzz;

RHist h;

double hmag,gmag;

if ( !g ) {

int ndv_check_candidate(NODE input,int obpe,int oadv,EPOS oepos,NODE cand)

*rp = 0;

return 1;

}

sugar = SG(g);

n = NV(g);

#if 0

if ( !mod )

hmag = ((double)p_mag((P)HCQ(g)))*nd_scale;

#else

/* XXX */

hmag = 0;

#endif

bucket = create_pbucket();

add_pbucket(mod,bucket,g);

d = 0;

mul = (NM)ALLOCA(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int));

while ( 1 ) {

hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket);

if ( hindex < 0 ) {

if ( d )

SG(d) = sugar;

*rp = d;

return 1;

}

g = bucket->body[hindex];

index = nd_find_reducer_direct(g,ps,len);

if ( index >= 0 ) {

p = ps[index];

ndl_sub(HDL(g),HDL(p),DL(mul));

if ( ndl_check_bound2_direct(HDL(p),DL(mul)) ) {

nd_free(d);

free_pbucket(bucket);

*rp = 0;

return 0;

}

if ( mod ) {

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

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

} else {

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

chsgnq(cg,&CQ(mul));

nd_mul_c_q(d,cred);

mulq_pbucket(bucket,cred);

g = bucket->body[hindex];

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

}

red = ndv_mul_nm(mod,p,mul);

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

red = nd_remove_head(red);

add_pbucket(mod,bucket,red);

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

if ( !mod && hmag && (gmag > hmag) ) {

g = normalize_pbucket(mod,bucket);

if ( !g ) {

if ( d ) SG(d) = sugar;

*rp = d;

return 1;

}

nd_removecont2(d,g);

hmag = ((double)p_mag((P)HCQ(g)))*nd_scale;

add_pbucket(mod,bucket,g);

}

} else if ( !full ) {

g = normalize_pbucket(mod,bucket);

if ( g ) SG(g) = sugar;

*rp = g;

return 1;

} else {

m = BDY(g);

if ( NEXT(m) ) {

BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--;

} else {

FREEND(g); g = 0;

}

bucket->body[hindex] = g;

NEXT(m) = 0;

if ( d ) {

NEXT(tail)=m; tail=m; LEN(d)++;

} else {

MKND(n,m,1,d); tail = BDY(d);

}

/* input : list of DP, cand : list of DP */

int nd_check_candidate(NODE input,NODE cand)

{

int n,i,stat;

ND nf,d;

NODE t;

NDV r;

NODE t,s;

nd_setup(0,cand);

ndv_setup(0,0,cand);

n = length(cand);

/* membercheck : list is a subset of Id(cand) ? */

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

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

again:

stat = nd_nf_direct(0,d,nd_psq,n,0,&nf);

if ( nd_bpe > obpe )

if ( !stat ) nd_reconstruct_direct(0,nd_psq,n);

r = ndv_dup_realloc((NDV)BDY(t),obpe,oadv,oepos);

else if ( nf ) return 0;

else

r = (NDV)BDY(t);

d = ndvtond(0,r);

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

if ( !stat ) {

nd_reconstruct(0,0,0);

goto again;

} else if ( nf ) return 0;

printf("."); fflush(stdout);

}

printf("\n");

/* gbcheck : cand is a GB of Id(cand) ? */

if ( !nd_gb(0,1) ) return 0;

/* XXX */

Line 1328 void mulq_pbucket(PGeoBucket g,Q c)

Line 1482 void mulq_pbucket(PGeoBucket g,Q c)

int head_pbucket(int mod,PGeoBucket g)

{

int j,i,c,k,nv,sum;

unsigned int *di,*dj;

UINT *di,*dj;

ND gi,gj;

k = g->m;

Line 1444 again:

Line 1598 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;

}

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

#if USE_GEOBUCKET

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,nd_ps,!Top,&nf);

#endif

if ( !stat ) {

NEXT(l) = d; d = l;

d = nd_reconstruct(m,0,d);

Line 1458 again:

Line 1616 again:

} else if ( nf ) {

if ( checkonly ) return 0;

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

nh = nd_newps(m,nf);

nh = nd_newps(m,nf,0);

d = update_pairs(d,g,nh);

g = update_base(g,nh);

FREENDP(l);

Line 1467 again:

Line 1625 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 1495 again:

Line 1650 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;

}

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

#if USE_GEOBUCKET

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

#else

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

#endif

if ( !stat ) {

NEXT(l) = d; d = l;

d = nd_reconstruct(m,1,d);

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_trace(m,nf,nfq);

nh = nd_newps(m,nf,nfq);

/* failure; m|HC(nfq) */

if ( nh < 0 ) return 0;

d = update_pairs(d,g,nh);

Line 1526 again:

Line 1685 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 1540 int ndv_compare_rev(NDV *p1,NDV *p2)

Line 1699 int ndv_compare_rev(NDV *p1,NDV *p2)

return -DL_COMPARE(HDL(*p1),HDL(*p2));

}

NODE nd_reduceall(int m,NODE f)

NODE ndv_reduceall(int m,NODE f)

{

int i,j,n,stat;

NDV *w,*ps;

ND nf,g;

NODE t,a0,a;

struct oBaseSet base;

UINT **bound;

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

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

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

bound = (UINT **)ALLOCA(n*sizeof(UINT *));

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

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

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

w = (NDV *)ALLOCA((n-1)*sizeof(NDV));

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

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

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

for ( j = 0; j < i; j++ ) w[j] = (NDV)ps[j];

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

for ( j = i+1; j < n; j++ ) w[j-1] = ps[j];

base.len = n-1;

i = 0;

while ( i < n ) {

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

base.ps[j] = ps[j]; base.bound[j] = bound[j];

}

for ( j = i+1; j < n; j++ ) {

base.ps[j-1] = ps[j]; base.bound[j-1] = bound[j];

}

g = ndvtond(m,ps[i]);

stat = nd_nf_direct(m,g,w,n-1,1,&nf);

stat = nd_nf_direct(m,g,&base,1,&nf);

if ( !stat )

nd_reconstruct_direct(m,ps,n);

else if ( !nf ) {

printf("."); fflush(stdout);

ndv_free(ps[i]);

for ( j = i+1; j < n; j++ ) ps[j-1] = ps[j];

for ( j = i+1; j < n; j++ ) {

ps[j-1] = ps[j]; bound[j-1] = bound[j];

}

n--;

base.len = n-1;

} else {

printf("."); fflush(stdout);

ndv_free(ps[i]);

nd_removecont(m,nf);

ps[i] = ndtondv(m,nf);

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

nd_free(nf);

i++;

}

printf("\n");

for ( a0 = 0, i = 0; i < n; i++ ) {

NEXTNODE(a0,a);

BDY(a) = (pointer)ps[i];

Line 1590 ND_pairs update_pairs( ND_pairs d, NODE /* of index */

Line 1765 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 1614 ND_pairs update_pairs( ND_pairs d, NODE /* of index */

Line 1793 ND_pairs update_pairs( ND_pairs d, NODE /* of index */

ND_pairs nd_newpairs( NODE g, int t )

{

NODE h;

unsigned int *dl;

UINT *dl;

int ts,s;

ND_pairs r,r0;

Line 1635 ND_pairs nd_newpairs( NODE g, int t )

Line 1814 ND_pairs nd_newpairs( NODE g, int t )

ND_pairs crit_B( ND_pairs d, int s )

{

ND_pairs cur,head,prev,remove;

unsigned int *t,*tl,*lcm;

UINT *t,*tl,*lcm;

int td,tdl;

if ( !d ) return 0;

t = DL(nd_psh[s]);

prev = 0;

head = cur = d;

lcm = (unsigned int *)ALLOCA((nd_wpd+1)*sizeof(unsigned int));

lcm = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));

while ( cur ) {

tl = cur->lcm;

if ( ndl_reducible(tl,t)

Line 1662 ND_pairs crit_B( ND_pairs d, int s )

Line 1841 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;

unsigned int *id,*jd;

UINT *id,*jd;

for ( dd = 0, e = d1; e; e = d3 ) {

if ( !(d2 = NEXT(e)) ) {

Line 1750 int crit_2( int dp1, int dp2 )

Line 1927 int crit_2( int dp1, int dp2 )

return ndl_disjoint(DL(nd_psh[dp1]),DL(nd_psh[dp2]));

}

static ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest )

ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest )

{

ND_pairs w,p,r,s;

unsigned int *d;

UINT *d;

w = d1;

d = LCM(w);

Line 1762 static ND_pairs equivalent_pairs( ND_pairs d1, ND_pair

Line 1939 static ND_pairs equivalent_pairs( ND_pairs d1, ND_pair

for ( r = 0; s; s = p ) {

p = NEXT(s);

if ( ndl_equal(d,LCM(s)) ) {

NEXT(s) = w;

NEXT(s) = w; w = s;

w = s;

} else {

NEXT(s) = r;

NEXT(s) = r; r = s;

r = s;

}

*prest = r;

Line 1775 static ND_pairs equivalent_pairs( ND_pairs d1, ND_pair

Line 1950 static ND_pairs equivalent_pairs( ND_pairs d1, ND_pair

NODE update_base(NODE nd,int ndp)

{

unsigned int *dl, *dln;

UINT *dl, *dln;

NODE last, p, head;

dl = DL(nd_psh[ndp]);

Line 1796 NODE update_base(NODE nd,int ndp)

Line 1971 NODE update_base(NODE nd,int ndp)

ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )

{

ND_pairs m,ml,p,l;

unsigned int *lcm;

UINT *lcm;

int s,td,len,tlen,c,c1;

if ( !(p = NEXT(m = d)) ) {

Line 1808 ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )

Line 1983 ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )

for ( ml = 0, l = m; p; p = NEXT(l = p) )

if ( (SG(p) < s)

|| ((SG(p) == s) && (DL_COMPARE(LCM(p),LCM(m)) < 0)) ) {

ml = l;

ml = l; m = p; s = SG(m);

m = p;

s = SG(m);

}

if ( !ml ) *prest = NEXT(m);

else {

Line 1821 ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )

Line 1994 ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )

return m;

}

int nd_newps(int mod,ND a)

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

{

int len;

RHist r;

NDV b;

if ( nd_psn == nd_pslen ) {

if ( aq ) {

nd_pslen *= 2;

/* trace lifting */

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

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

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

return -1;

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

nd_bound = (unsigned int **)

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

}

nd_removecont(mod,a);

nd_bound[nd_psn] = nd_compute_bound(a);

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

nd_psh[nd_psn] = r;

b = ndtondv(mod,a);

len = LEN(b);

if ( mod )

nd_ps[nd_psn] = b;

else

nd_psq[nd_psn] = b;

nd_free(a);

return nd_psn++;

}

int nd_newps_trace(int mod,ND nf,ND nfq)

{

int len;

RHist r;

NDV b;

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 **)

nd_bound = (UINT **)

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

REALLOC((char *)nd_bound,nd_pslen*sizeof(UINT *));

}

if ( !rem(NM(HCQ(nfq)),mod) ) return -1;

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

nd_removecont(mod,nf);

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

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

if ( aq ) {

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

nd_removecont(0,nfq);

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

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

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

nd_free(a); nd_free(aq);

nd_bound[nd_psn] = nd_compute_bound(nfq);

} else {

NEWRHist(r); SG(r) = SG(nf); ndl_copy(HDL(nf),DL(r));

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

nd_psh[nd_psn] = r;

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

nd_free(nf); nd_free(nfq);

nd_free(a);

}

return nd_psn++;

}

void nd_setup(int mod,NODE f)

void ndv_setup(int mod,int trace,NODE f)

{

int i,j,td,len,max;

NODE s,s0,f0;

unsigned int *d;

UINT *d;

RHist r;

NDV a;

NDV a,am;

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 *));

nd_bound = (UINT **)MALLOC(nd_pslen*sizeof(UINT *));

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));

if ( max < 2 ) nd_bpe = 2;

else if ( max < 4 ) nd_bpe = 4;

else if ( max < 64 ) nd_bpe = 6;

else if ( max < 256 ) nd_bpe = 8;

else if ( max < 65536 ) nd_bpe = 16;

else nd_bpe = 32;

nd_setup_parameters();

nd_free_private_storage();

len = 0;

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

NEWRHist(r);

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

ndv_removecont(mod,a);

len = MAX(len,LEN(a));

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

if ( mod ) nd_ps[i] = a;

else nd_psq[i] = a;

nd_psh[i] = r;

}

void nd_setup_trace(int mod,NODE f)

{

int i,j,td,len,max;

NODE s,s0,f0;

unsigned int *d;

RHist r;

NDV a;

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_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));

if ( max < 2 ) nd_bpe = 2;

else if ( max < 4 ) nd_bpe = 4;

else if ( max < 64 ) nd_bpe = 6;

else if ( max < 256 ) nd_bpe = 8;

else if ( max < 65536 ) nd_bpe = 16;

else nd_bpe = 32;

nd_setup_parameters();

nd_free_private_storage();

len = 0;

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

a = dptondv(mod,(DP)BDY(f)); ndv_removecont(mod,a); nd_ps[i] = a;

if ( trace ) {

a = dptondv(0,(DP)BDY(f)); ndv_removecont(0,a); nd_psq[i] = a;

a = nd_ps_trace[i] = ndv_dup(0,(NDV)BDY(f));

NEWRHist(r);

ndv_removecont(0,a);

len = MAX(len,LEN(a));

am = nd_ps[i] = ndv_dup(mod,a);

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

ndv_mod(mod,am);

ndv_removecont(mod,am);

} else {

a = nd_ps[i] = ndv_dup(mod,(NDV)BDY(f));

if ( mod ) ndv_mod(mod,a);

ndv_removecont(mod,a);

}

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

nd_bound[i] = ndv_compute_bound(a);

nd_psh[i] = r;

}

void nd_gr(LIST f,LIST v,int m,struct order_spec *ord,LIST *rp)

{

struct order_spec ord1;

VL tv,fv,vv,vc;

VL fv,vv,vc;

NODE fd,fd0,r,r0,t,x,s,xx;

DP a,b,c;

int e,max,nvar;

ND b;

get_vars((Obj)f,&fv); pltovl(v,&vv);

nd_nvar = length(vv);

nvar = length(vv);

nd_init_ord(ord);

/* XXX for DP */

for ( t = BDY(f), max = 0; t; t = NEXT(t) )

initd(ord);

for ( tv = vv; tv; tv = NEXT(tv) ) {

e = getdeg(tv->v,(P)BDY(t));

max = MAX(e,max);

}

nd_setup_parameters(nvar,max);

for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {

ptod(CO,vv,(P)BDY(t),&b);

b = (pointer)ptondv(CO,vv,(P)BDY(t));

NEXTNODE(fd0,fd); BDY(fd) = (pointer)b;

if ( b ) { NEXTNODE(fd0,fd); BDY(fd) = (pointer)b; }

}

if ( fd0 ) NEXT(fd) = 0;

nd_setup(m,fd0);

ndv_setup(m,0,fd0);

x = nd_gb(m,0);

fprintf(asir_out,"found=%d,notfirst=%d,create=%d\n",

x = ndv_reducebase(x);

nd_found,nd_notfirst,nd_create);

x = ndv_reduceall(m,x);

x = nd_reduceall(m,x);

for ( r0 = 0, t = x; t; t = NEXT(t) ) {

NEXTNODE(r0,r);

if ( m ) {

BDY(r) = ndvtop(m,CO,vv,BDY(t));

a = ndvtodp(m,BDY(t));

_dtop_mod(CO,vv,a,(P *)&BDY(r));

} else {

a = ndvtodp(m,BDY(t));

dtop(CO,vv,a,(P *)&BDY(r));

}

if ( r0 ) NEXT(r) = 0;

MKLIST(*rp,r0);

}

void nd_gr_trace(LIST f,LIST v,int m,int homo,struct order_spec *ord,LIST *rp)

void nd_gr_trace(LIST f,LIST v,int trace,int homo,struct order_spec *ord,LIST *rp)

{

struct order_spec ord1;

VL fv,vv,vc;

VL tv,fv,vv,vc;

NODE fd,fd0,in0,in,r,r0,t,s,cand;

DP a,b,c,h;

int m,nocheck,nvar,mindex,e,max;

NDV c;

NMV a;

P p;

EPOS oepos;

int obpe,oadv,wmax,i,len,cbpe;

get_vars((Obj)f,&fv); pltovl(v,&vv);

nd_nvar = length(vv);

nvar = length(vv);

initd(ord);

nocheck = 0;

mindex = 0;

/* setup modulus */

if ( trace < 0 ) {

trace = -trace;

nocheck = 1;

}

m = trace > 1 ? trace : get_lprime(mindex);

for ( t = BDY(f), max = 0; t; t = NEXT(t) )

for ( tv = vv; tv; tv = NEXT(tv) ) {

e = getdeg(tv->v,(P)BDY(t));

max = MAX(e,max);

}

nd_init_ord(ord);

nd_setup_parameters(nvar,max);

obpe = nd_bpe; oadv = nmv_adv; oepos = nd_epos;

for ( in0 = 0, fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {

c = ptondv(CO,vv,(P)BDY(t));

if ( c ) {

NEXTNODE(in0,in); BDY(in) = (pointer)c;

NEXTNODE(fd0,fd); BDY(fd) = (pointer)ndv_dup(0,c);

}

if ( in0 ) NEXT(in) = 0;

if ( fd0 ) NEXT(fd) = 0;

if ( homo ) {

homogenize_order(ord,nd_nvar,&ord1);

for ( t = in0, wmax = 0; t; t = NEXT(t) ) {

for ( fd0 = 0, in0 = 0, t = BDY(f); t; t = NEXT(t) ) {

c = (NDV)BDY(t); len = LEN(c);

ptod(CO,vv,(P)BDY(t),&c);

for ( a = BDY(c), i = 0; i < len; i++, NMV_ADV(a) )

if ( c ) {

wmax = MAX(TD(DL(a)),wmax);

dp_homo(c,&h); NEXTNODE(fd0,fd); BDY(fd) = (pointer)h;

NEXTNODE(in0,in); BDY(in) = (pointer)c;

}

if ( fd0 ) NEXT(fd) = 0;

homogenize_order(ord,nvar,&ord1);

if ( in0 ) NEXT(in) = 0;

nd_init_ord(&ord1);

initd(&ord1);

nd_setup_parameters(nvar+1,wmax);

nd_nvar++;

for ( t = fd0; t; t = NEXT(t) )

} else {

ndv_homogenize((NDV)BDY(t),obpe,oadv,oepos);

for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {

ptod(CO,vv,(P)BDY(t),&c);

if ( c ) {

NEXTNODE(fd0,fd); BDY(fd) = (pointer)c;

}

if ( fd0 ) NEXT(fd) = 0;

in0 = fd0;

nd_init_ord(ord);

}

do {

while ( 1 ) {

nd_setup_trace(m,fd0);

ndv_setup(m,1,fd0);

cand = nd_gb_trace(m);

if ( !cand ) continue;

if ( !cand ) {

/* failure */

if ( trace > 1 ) { *rp = 0; return; }

else m = get_lprime(++mindex);

continue;

}

if ( homo ) {

/* dehomogenization */

for ( t = cand; t; t = NEXT(t) )

for ( t = cand; t; t = NEXT(t) ) ndv_dehomogenize((NDV)BDY(t),ord);

ndv_dehomogenize((NDV)BDY(t));

nd_init_ord(ord);

nd_nvar--;

nd_setup_parameters(nvar,0);

nd_setup_parameters();

initd(ord);

cand = nd_reducebase(cand);

}

fprintf(asir_out,"found=%d,notfirst=%d,create=%d\n",

cand = ndv_reducebase(cand);

nd_found,nd_notfirst,nd_create);

cand = ndv_reduceall(0,cand);

cand = nd_reduceall(0,cand);

if ( nocheck )

initd(ord);

break;

for ( r0 = 0; cand; cand = NEXT(cand) ) {

cbpe = nd_bpe;

NEXTNODE(r0,r);

if ( ndv_check_candidate(in0,obpe,oadv,oepos,cand) )

BDY(r) = (pointer)ndvtodp(0,(NDV)BDY(cand));

/* success */

break;

else if ( trace > 1 ) {

/* failure */

*rp = 0; return;

} else {

/* try the next modulus */

m = get_lprime(++mindex);

/* reset the parameters */

if ( homo ) {

nd_init_ord(&ord1);

nd_setup_parameters(nvar+1,wmax);

} else {

nd_init_ord(ord);

nd_setup_parameters(nvar,max);

}

if ( r0 ) NEXT(r) = 0;

cand = r0;

} while ( !nd_check_candidate(in0,cand) );

/* dp->p */

for ( r = cand; r; r = NEXT(r) ) {

dtop(CO,vv,BDY(r),&p);

BDY(r) = (pointer)p;

}

/* dp->p */

nd_bpe = cbpe;

nd_setup_parameters(0,0);

for ( r = cand; r; r = NEXT(r) ) BDY(r) = (pointer)ndvtop(0,CO,vv,BDY(r));

MKLIST(*rp,cand);

}

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

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

{

unsigned int *d;

UINT *d;

int i;

int i,j,l,s,ord_l;

struct order_pair *op;

d = dl->d;

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

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

if ( nd_isrlex )

if ( nd_blockmask ) {

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

l = nd_blockmask->n;

r[(n-1-i)/nd_epw+1] |= (d[i]<<((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe));

op = nd_blockmask->order_pair;

else

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

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

ord_l = op[j].length;

r[i/nd_epw+1] |= d[i]<<((nd_epw-(i%nd_epw)-1)*nd_bpe);

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

TD(r) = ndl_td(r);

}

TD(r) = ndl_weight(r);

ndl_weight_mask(r);

} else {

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

TD(r) = ndl_weight(r);

}

DL ndltodl(int n,unsigned int *ndl)

DL ndltodl(int n,UINT *ndl)

{

DL dl;

int *d;

int i;

int i,j,l,s,ord_l;

struct order_pair *op;

NEWDL(dl,n);

dl->td = TD(ndl);

d = dl->d;

if ( nd_isrlex )

if ( nd_blockmask ) {

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

l = nd_blockmask->n;

d[i] = (ndl[(n-1-i)/nd_epw+1]>>((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe))

op = nd_blockmask->order_pair;

&((1<<nd_bpe)-1);

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

else

ord_l = op[j].length;

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

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

d[i] = (ndl[i/nd_epw+1]>>((nd_epw-(i%nd_epw)-1)*nd_bpe))

}

&((1<<nd_bpe)-1);

} else {

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

}

return dl;

}

ND dptond(int mod,DP p)

void ndl_print(UINT *dl)

{

ND d;

NM m0,m;

MP t;

int n,l;

if ( !p )

return 0;

n = NV(p);

m0 = 0;

for ( t = BDY(p), l = 0; t; t = NEXT(t), l++ ) {

NEXTNM(m0,m);

if ( mod ) CM(m) = ITOS(C(t));

else CQ(m) = (Q)C(t);

dltondl(n,DL(t),DL(m));

}

NEXT(m) = 0;

MKND(n,m0,l,d);

SG(d) = SG(p);

return d;

}

DP ndtodp(int mod,ND p)

{

DP d;

MP m0,m;

NM t;

int n;

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

struct order_pair *op;

if ( !p )

return 0;

n = NV(p);

m0 = 0;

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

NEXTMP(m0,m);

if ( mod ) C(m) = STOI(CM(t));

else C(m) = (P)CQ(t);

DL(m) = ndltodl(n,DL(t));

}

NEXT(m) = 0;

MKDP(n,m0,d);

SG(d) = SG(p);

return d;

}

void ndl_print(unsigned int *dl)

{

int n;

int i;

n = nd_nvar;

printf("<<");

if ( nd_isrlex )

if ( nd_blockmask ) {

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

l = nd_blockmask->n;

printf(i==n-1?"%d":"%d,",

op = nd_blockmask->order_pair;

(dl[(n-1-i)/nd_epw+1]>>((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe))

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

&((1<<nd_bpe)-1));

ord_l = op[j].length;

else

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

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

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

printf(i==n-1?"%d":"%d,",

}

(dl[i/nd_epw+1]>>((nd_epw-(i%nd_epw)-1)*nd_bpe))

} else {

&((1<<nd_bpe)-1));

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

}

printf(">>");

}

Line 2282 void ndv_removecont(int mod,NDV p)

Line 2374 void ndv_removecont(int mod,NDV p)

}

void ndv_dehomogenize(NDV p)

void ndv_homogenize(NDV p,int obpe,int oadv,EPOS oepos)

{

int i,len,newnvar,newwpd,newadv;

int len,i,max;

NMV m,mr0,mr,t;

len = p->len;

for ( m = BDY(p), i = 0, max = 0; i < len; NMV_OADV(m), i++ )

max = MAX(max,TD(DL(m)));

mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p);

m = (NMV)((char *)mr0+(len-1)*oadv);

mr = (NMV)((char *)mr0+(len-1)*nmv_adv);

t = (NMV)ALLOCA(nmv_adv);

for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {

ndl_homogenize(DL(m),DL(t),obpe,oepos,max);

CQ(mr) = CQ(m);

ndl_copy(DL(t),DL(mr));

}

NV(p)++;

BDY(p) = mr0;

}

void ndv_dehomogenize(NDV p,struct order_spec *ord)

{

int i,j,adj,len,newnvar,newwpd,newadv,newexporigin;

Q *w;

Q dvr,t;

NMV m,r;

unsigned int *d;

#define NEWADV(m) (m = (NMV)(((char *)m)+newadv))

len = p->len;

newnvar = nd_nvar-1;

newwpd = newnvar/nd_epw+(newnvar%nd_epw?1:0);

newexporigin = nd_get_exporigin(ord);

newwpd = newnvar/nd_epw+(newnvar%nd_epw?1:0)+newexporigin;

for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ )

ndl_dehomogenize(DL(m));

if ( newwpd != nd_wpd ) {

d = (unsigned int *)ALLOCA((newwpd+1)*sizeof(unsigned int));

newadv = sizeof(struct oNMV)+(newwpd-1)*sizeof(UINT);

newadv = sizeof(struct oNMV)+newwpd*sizeof(unsigned int);

for ( m = r = BDY(p), i = 0; i < len; NMV_ADV(m), NDV_NADV(r), i++ ) {

for ( m = r = BDY(p), i = 0; i < len; NMV_ADV(m), NEWADV(r), i++ ) {

CQ(r) = CQ(m);

CQ(r) = CQ(m); ndl_copy(DL(m),d); ndl_copy(d,DL(r));

for ( j = 0; j < newexporigin; j++ ) DL(r)[j] = DL(m)[j];

adj = nd_exporigin-newexporigin;

for ( ; j < newwpd; j++ ) DL(r)[j] = DL(m)[j+adj];

}

NV(p)--;

Line 2365 void nd_mul_c_q(ND p,Q mul)

Line 2479 void nd_mul_c_q(ND p,Q mul)

}

void nd_mul_c_p(VL vl,ND p,P mul)

{

NM m;

P c;

if ( !p ) return;

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

mulp(vl,CP(m),mul,&c); CP(m) = c;

}

void nd_free(ND p)

{

NM t,s;

Line 2384 void ndv_free(NDV p)

Line 2509 void ndv_free(NDV p)

GC_free(BDY(p));

}

void nd_append_red(unsigned int *d,int i)

void nd_append_red(UINT *d,int i)

{

RHist m,m0;

int h;

Line 2397 void nd_append_red(unsigned int *d,int i)

Line 2522 void nd_append_red(unsigned int *d,int i)

nd_red[h] = m;

}

unsigned int *dp_compute_bound(DP p)

UINT *ndv_compute_bound(NDV p)

{

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

UINT *d1,*d2,*t;

MP m;

UINT u;

int i,l;

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

NMV m;

if ( !p )

return 0;

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

d1 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));

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

d2 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));

m = BDY(p);

len = LEN(p);

d = DL(m)->d;

m = BDY(p); ndl_copy(DL(m),d1); NMV_ADV(m);

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

for ( i = 1; i < len; i++, NMV_ADV(m) ) {

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

ndl_lcm(DL(m),d1,d2);

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);

l = nd_nvar+31;

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

t = (UINT *)MALLOC_ATOMIC(l*sizeof(UINT));

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

}

unsigned int *nd_compute_bound(ND p)

int nd_get_exporigin(struct order_spec *ord)

{

unsigned int *d1,*d2,*t;

switch ( ord->id ) {

int i,l;

case 0:

NM m;

return 1;

case 1:

if ( !p )

/* block order */

return 0;

/* d[0]:weight d[1]:w0,...,d[nd_exporigin-1]:w(n-1) */

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

return ord->ord.block.length+1;

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

case 2:

ndl_copy(HDL(p),d1);

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

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

ndl_lcm(DL(m),d1,d2);

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

}

l = nd_nvar+31;

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

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

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

t[i] = (d1[i/nd_epw+1]>>((nd_epw-(i%nd_epw)-1)*nd_bpe))&nd_mask0;

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

return t;

}

void nd_setup_parameters() {

void nd_setup_parameters(int nvar,int max) {

int i;

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

struct order_pair *op;

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

/* if max == 0, don't touch nd_bpe */

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

if ( max > 0 ) {

if ( max < 2 ) nd_bpe = 2;

else if ( max < 4 ) nd_bpe = 4;

else if ( max < 64 ) nd_bpe = 6;

else if ( max < 256 ) nd_bpe = 8;

else if ( max < 65536 ) nd_bpe = 16;

else nd_bpe = 32;

}

/* nvar == 0, don't touch nd_nvar */

if ( nvar > 0 ) nd_nvar = nvar;

nd_epw = (sizeof(UINT)*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;

if ( nd_bpe < 32 ) {

nd_mask0 = (1<<nd_bpe)-1;

} else {

Line 2463 void nd_setup_parameters() {

Line 2598 void nd_setup_parameters() {

nd_mask[nd_epw-i-1] = (nd_mask0<<(i*nd_bpe));

nd_mask1 |= (1<<(nd_bpe-1))<<(i*nd_bpe);

}

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

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

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

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

nd_epos = nd_create_epos(nd_ord);

nd_blockmask = nd_create_blockmask(nd_ord);

}

/* mod < 0 => realloc nd_ps and pd_psq */

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

{

int i,obpe,oadv,h;

Line 2477 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2612 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

RHist r;

RHist *old_red;

ND_pairs s0,s,t,prev_ndp_free_list;

EPOS oepos;

obpe = nd_bpe;

oadv = nmv_adv;

oepos = nd_epos;

if ( obpe < 4 ) nd_bpe = 4;

else if ( obpe < 6 ) nd_bpe = 6;

else if ( obpe < 8 ) nd_bpe = 8;

Line 2487 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2624 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

else if ( obpe < 32 ) nd_bpe = 32;

else error("nd_reconstruct : exponent too large");

nd_setup_parameters();

nd_setup_parameters(0,0);

prev_nm_free_list = _nm_free_list;

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);

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

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);

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

s0 = 0;

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

NEXTND_pairs(s0,s);

s->i1 = t->i1;

s->i2 = t->i2;

SG(s) = SG(t);

ndl_dup(obpe,LCM(t),LCM(s));

ndl_reconstruct(LCM(t),LCM(s),obpe,oepos);

}

old_red = (RHist *)ALLOCA(REDTAB_LEN*sizeof(RHist));

Line 2515 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2652 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

NEWRHist(mr);

mr->index = r->index;

SG(mr) = SG(r);

ndl_dup(obpe,DL(r),DL(mr));

ndl_reconstruct(DL(r),DL(mr),obpe,oepos);

h = ndl_hash_value(DL(mr));

NEXT(mr) = nd_red[h];

nd_red[h] = mr;

Line 2524 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2661 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

old_red = 0;

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

NEWRHist(r); SG(r) = SG(nd_psh[i]);

ndl_dup(obpe,DL(nd_psh[i]),DL(r));

ndl_reconstruct(DL(nd_psh[i]),DL(r),obpe,oepos);

nd_psh[i] = r;

}

if ( s0 ) NEXT(s) = 0;

Line 2537 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2674 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

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

{

int i,obpe,oadv,h;

UINT **bound;

NM prev_nm_free_list;

RHist mr0,mr;

RHist r;

RHist *old_red;

ND_pairs s0,s,t,prev_ndp_free_list;

EPOS oepos;

obpe = nd_bpe;

oadv = nmv_adv;

oepos = nd_epos;

if ( obpe < 4 ) nd_bpe = 4;

else if ( obpe < 6 ) nd_bpe = 6;

else if ( obpe < 8 ) nd_bpe = 8;

Line 2552 void nd_reconstruct_direct(int mod,NDV *ps,int len)

Line 2692 void nd_reconstruct_direct(int mod,NDV *ps,int len)

else if ( obpe < 32 ) nd_bpe = 32;

else error("nd_reconstruct_direct : exponent too large");

nd_setup_parameters();

nd_setup_parameters(0,0);

prev_nm_free_list = _nm_free_list;

prev_ndp_free_list = _ndp_free_list;

_nm_free_list = 0; _ndp_free_list = 0;

if ( mod != 0 )

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

for ( i = len-1; i >= 0; i-- ) ndv_realloc(ps[i],obpe,oadv);

old_red = (RHist *)ALLOCA(REDTAB_LEN*sizeof(RHist));

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

old_red[i] = nd_red[i];

nd_red[i] = 0;

}

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

for ( r = old_red[i]; r; r = NEXT(r) ) {

NEWRHist(mr);

mr->index = r->index;

SG(mr) = SG(r);

ndl_dup(obpe,DL(r),DL(mr));

h = ndl_hash_value(DL(mr));

NEXT(mr) = nd_red[h];

nd_red[h] = mr;

}

for ( i = 0; i < REDTAB_LEN; i++ ) old_red[i] = 0;

old_red = 0;

prev_nm_free_list = 0;

prev_ndp_free_list = 0;

GC_gcollect();

}

void ndl_dup(int obpe,unsigned int *d,unsigned int *r)

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

{

int n,i,ei,oepw,cepw,cbpe;

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

struct order_pair *op;

n = nd_nvar;

oepw = (sizeof(unsigned int)*8)/obpe;

oepw = (sizeof(UINT)*8)/obpe;

cepw = nd_epw;

omask0 = (1<<obpe)-1;

cbpe = nd_bpe;

TD(r) = TD(d);

for ( i = 1; i <= nd_wpd; i++ ) r[i] = 0;

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

if ( nd_isrlex )

if ( nd_blockmask ) {

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

l = nd_blockmask->n;

ei = (d[(n-1-i)/oepw+1]>>((oepw-((n-1-i)%oepw)-1)*obpe))

op = nd_blockmask->order_pair;

&((1<<obpe)-1);

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

r[(n-1-i)/cepw+1] |= (ei<<((cepw-((n-1-i)%cepw)-1)*cbpe));

r[i] = d[i];

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

ord_l = op[j].length;

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

ei = GET_EXP_OLD(d,s);

PUT_EXP(r,s,ei);

}

else

} else {

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

ei = (d[i/oepw+1]>>((oepw-(i%oepw)-1)*obpe))

ei = GET_EXP_OLD(d,i);

&((1<<obpe)-1);

PUT_EXP(r,i,ei);

r[i/cepw+1] |= (ei<<((cepw-(i%cepw)-1)*cbpe));

}

void nd_realloc(ND p,int obpe)

{

NM m,mr,mr0;

if ( p ) {

m = BDY(p);

for ( mr0 = 0; m; m = NEXT(m) ) {

NEXTNM(mr0,mr);

CM(mr) = CM(m);

ndl_dup(obpe,DL(m),DL(mr));

}

NEXT(mr) = 0;

BDY(p) = mr0;

}

ND nd_copy(ND p)

{

NM m,mr,mr0;

int c,n,s;

int c,n;

ND r;

if ( !p )

return 0;

else {

s = sizeof(struct oNM)+nd_wpd*sizeof(unsigned int);

for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) {

NEXTNM(mr0,mr);

CM(mr) = CM(m);

Line 2642 ND nd_copy(ND p)

Line 2753 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;

ND t1,t2;

unsigned int *lcm;

UINT *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 2668 int nd_sp(int mod,ND_pairs p,ND *rp)

Line 2780 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 2699 void ndv_mul_c_q(NDV p,Q mul)

Line 2811 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;

UINT *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;

UINT *d0,*d1,*d,*dt,*ctab;

Q *ctab_q;

Q q,q1;

UINT 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_weight_mask(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_weight_mask(dt);

}

curlen *= k+1;

continue;

}

min = MIN(k,l);

if ( mod ) {

ctab = (UINT *)ALLOCA((min+1)*sizeof(UINT));

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_weight_mask(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;

UINT *d,*dt,*dm;

int c,n,td,i,c1,c2,len;

Q q;

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 2739 ND ndv_mul_nm(int mod,NDV p,NM m0)

Line 2987 ND ndv_mul_nm(int mod,NDV p,NM m0)

}

void ndv_realloc(NDV p,int obpe,int oadv)

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

{

NMV m,mr,mr0,t;

int len,i,k;

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

if ( !p ) return;

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

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

mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p);

m = (NMV)((char *)mr0+(len-1)*oadv);

mr = (NMV)((char *)mr0+(len-1)*nmv_adv);

t = (NMV)ALLOCA(nmv_adv);

for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {

CQ(t) = CQ(m);

for ( k = 0; k < nd_wpd; k++ ) DL(t)[k] = 0;

ndl_reconstruct(DL(m),DL(t),obpe,oepos);

CQ(mr) = CQ(t);

ndl_copy(DL(t),DL(mr));

}

BDY(p) = mr0;

}

if ( p ) {

NDV ndv_dup_realloc(NDV p,int obpe,int oadv,EPOS oepos)

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

{

mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p);

NMV m,mr,mr0;

m = (NMV)((char *)mr0+(len-1)*oadv);

int len,i;

mr = (NMV)((char *)mr0+(len-1)*nmv_adv);

NDV r;

t = (NMV)ALLOCA(nmv_adv);

for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {

if ( !p ) return 0;

CQ(t) = CQ(m);

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

for ( k = 0; k < nd_wpd; k++ ) DL(t)[k] = 0;

mr0 = mr = (NMV)MALLOC(len*nmv_adv);

ndl_dup(obpe,DL(m),DL(t));

for ( i = 0; i < len; i++, NMV_OADV(m), NMV_ADV(mr) ) {

CQ(mr) = CQ(t);

ndl_zero(DL(mr));

ndl_copy(DL(t),DL(mr));

ndl_reconstruct(DL(m),DL(mr),obpe,oepos);

}

CQ(mr) = CQ(m);

BDY(p) = mr0;

}

MKNDV(NV(p),mr0,len,r);

SG(r) = SG(p);

return r;

}

NDV ndtondv(int mod,ND p)

/* duplicate p */

NDV ndv_dup(int mod,NDV p)

{

NDV d;

NMV m,m0;

NMV t,m,m0;

NM t;

int i,len;

if ( !p ) return 0;

len = LEN(p);

m0 = m = (NMV)(mod?MALLOC_ATOMIC(len*nmv_adv):MALLOC(len*nmv_adv));

for ( t = BDY(p), i = 0; t; t = NEXT(t), i++, NMV_ADV(m) ) {

for ( t = BDY(p), i = 0; i < len; i++, NMV_ADV(t), NMV_ADV(m) ) {

ndl_copy(DL(t),DL(m));

CQ(m) = CQ(t);

}

Line 2783 NDV ndtondv(int mod,ND p)

Line 3047 NDV ndtondv(int mod,ND p)

return d;

}

ND ndvtond(int mod,NDV p)

/* XXX if p->len == 0 then it represents 0 */

void ndv_mod(int mod,NDV p)

{

ND d;

NMV t,d;

int r;

int i,len,dlen;

if ( !p ) return;

len = LEN(p);

dlen = 0;

for ( t = d = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) {

r = rem(NM(CQ(t)),mod);

if ( r ) {

if ( SGN(CQ(t)) < 0 )

r = mod-r;

CM(d) = r;

ndl_copy(DL(t),DL(d));

NMV_ADV(d);

dlen++;

}

LEN(p) = dlen;

}

NDV ptondv(VL vl,VL dvl,P p)

{

ND nd;

nd = ptond(vl,dvl,p);

return ndtondv(0,nd);

}

ND ptond(VL vl,VL dvl,P p)

{

int n,i,j,k,e;

VL tvl;

V v;

DCP dc;

DCP *w;

ND r,s,t,u;

P x;

int c;

UINT *d;

NM m,m0;

NMV t;

int i,len;

if ( !p )

return 0;

else if ( NUM(p) ) {

NEWNM(m);

ndl_zero(DL(m));

CQ(m) = (Q)p;

NEXT(m) = 0;

MKND(nd_nvar,m,1,r);

SG(r) = 0;

return r;

} else {

for ( dc = DC(p), k = 0; dc; dc = NEXT(dc), k++ );

w = (DCP *)ALLOCA(k*sizeof(DCP));

for ( dc = DC(p), j = 0; j < k; dc = NEXT(dc), j++ ) w[j] = dc;

for ( i = 0, tvl = dvl, v = VR(p);

vl && tvl->v != v; tvl = NEXT(tvl), i++ );

if ( !tvl ) {

for ( j = k-1, s = 0, MKV(v,x); j >= 0; j-- ) {

t = ptond(vl,dvl,COEF(w[j]));

pwrp(vl,x,DEG(w[j]),&p);

nd_mul_c_p(CO,t,p); s = nd_add(0,s,t);

}

return s;

} else {

NEWNM(m0); d = DL(m0);

for ( j = k-1, s = 0; j >= 0; j-- ) {

ndl_zero(d); e = QTOS(DEG(w[j])); PUT_EXP(d,i,e);

TD(d) = MUL_WEIGHT(e,i);

if ( nd_blockmask) ndl_weight_mask(d);

t = ptond(vl,dvl,COEF(w[j]));

for ( m = BDY(t); m; m = NEXT(m) )

ndl_addto(DL(m),d);

SG(t) += TD(d);

s = nd_add(0,s,t);

}

FREENM(m0);

return s;

}

P ndvtop(int mod,VL vl,VL dvl,NDV p)

{

VL tvl;

int len,n,j,i,e;

NMV m;

Q q;

P c;

UINT *d;

P s,r,u,t,w;

if ( !p ) return 0;

m0 = 0;

else {

len = p->len;

len = LEN(p);

for ( t = BDY(p), i = 0; i < len; NMV_ADV(t), i++ ) {

n = NV(p);

NEXTNM(m0,m);

m = (NMV)(((char *)BDY(p))+nmv_adv*(len-1));

ndl_copy(DL(t),DL(m));

for ( j = len-1, s = 0; j >= 0; j--, NMV_PREV(m) ) {

CQ(m) = CQ(t);

if ( mod ) {

STOQ(CM(m),q); c = (P)q;

} else

c = CP(m);

d = DL(m);

for ( i = 0, t = c, tvl = dvl; i < n; tvl = NEXT(tvl), i++ ) {

MKV(tvl->v,r); e = GET_EXP(d,i); STOQ(e,q);

pwrp(vl,r,q,&u); mulp(vl,t,u,&w); t = w;

}

addp(vl,s,t,&u); s = u;

}

return s;

}

NEXT(m) = 0;

MKND(NV(p),m0,len,d);

SG(d) = SG(p);

return d;

}

NDV dptondv(int mod,DP p)

NDV ndtondv(int mod,ND p)

{

NDV d;

NMV m0,m;

NMV m,m0;

MP t;

NM t;

DP q;

int i,len;

int l,i,n;

if ( !p ) return 0;

for ( t = BDY(p), l = 0; t; t = NEXT(t), l++ );

len = LEN(p);

if ( mod ) {

m0 = m = (NMV)(mod?MALLOC_ATOMIC(len*nmv_adv):MALLOC(len*nmv_adv));

_dp_mod(p,mod,0,&q); p = q;

for ( t = BDY(p), i = 0; t; t = NEXT(t), i++, NMV_ADV(m) ) {

m0 = m = (NMV)MALLOC_ATOMIC(l*nmv_adv);

ndl_copy(DL(t),DL(m));

} else

CQ(m) = CQ(t);

m0 = m = (NMV)MALLOC(l*nmv_adv);

n = NV(p);

for ( t = BDY(p), i = 0; i < l; i++, t = NEXT(t), NMV_ADV(m) ) {

if ( mod ) CM(m) = ITOS(C(t));

else CQ(m) = (Q)C(t);

dltondl(n,DL(t),DL(m));

}

MKNDV(n,m0,l,d);

MKNDV(NV(p),m0,len,d);

SG(d) = SG(p);

return d;

}

DP ndvtodp(int mod,NDV p)

ND ndvtond(int mod,NDV p)

{

DP d;

ND d;

MP m0,m;

NM m,m0;

NMV t;

int len,i,n;

int i,len;

if ( !p ) return 0;

m0 = 0;

len = LEN(p);

len = p->len;

n = NV(p);

for ( t = BDY(p), i = 0; i < len; NMV_ADV(t), i++ ) {

for ( t = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) {

NEXTNM(m0,m);

NEXTMP(m0,m);

ndl_copy(DL(t),DL(m));

if ( mod ) C(m) = STOI(CM(t));

CQ(m) = CQ(t);

else C(m) = (P)CQ(t);

DL(m) = ndltodl(n,DL(t));

}

NEXT(m) = 0;

MKDP(NV(p),m0,d);

MKND(NV(p),m0,len,d);

SG(d) = SG(p);

return d;

}

Line 2887 void ndv_print_q(NDV p)

Line 3239 void ndv_print_q(NDV p)

}

NODE nd_reducebase(NODE x)

NODE ndv_reducebase(NODE x)

{

int len,i,j;

NDV *w;

Line 2910 NODE nd_reducebase(NODE x)

Line 3262 NODE nd_reducebase(NODE x)

return x;

}

/* XXX incomplete */

void nd_init_ord(struct order_spec *ord)

{

if ( ord->id )

switch ( ord->id ) {

error("nd_gr : unsupported order");

nd_dcomp = 0;

switch ( ord->ord.simple ) {

case 0:

nd_dcomp = 1;

switch ( ord->ord.simple ) {

nd_isrlex = 1;

case 0:

nd_dcomp = 1;

nd_isrlex = 1;

break;

case 1:

nd_dcomp = 1;

nd_isrlex = 0;

break;

case 2:

nd_dcomp = 0;

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");

}

break;

case 1:

nd_dcomp = 1;

/* XXX */

nd_dcomp = -1;

nd_isrlex = 0;

ndl_compare_function = ndl_block_compare;

break;

case 9:

case 2:

/* td1->td->rlex */

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

nd_dcomp = -dp_nelim;

nd_isrlex = 1;

break;

default:

error("nd_gr : unsupported order");

}

nd_ord = ord;

}

BlockMask nd_create_blockmask(struct order_spec *ord)

{

int n,i,j,s,l;

UINT *t;

BlockMask bm;

if ( !ord->id )

return 0;

n = ord->ord.block.length;

bm = (BlockMask)MALLOC(sizeof(struct oBlockMask));

bm->n = n;

bm->order_pair = ord->ord.block.order_pair;

bm->mask = (UINT **)MALLOC(n*sizeof(UINT *));

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

bm->mask[i] = t = (UINT *)MALLOC_ATOMIC(nd_wpd*sizeof(UINT));

for ( j = 0; j < nd_wpd; j++ ) t[j] = 0;

l = bm->order_pair[i].length;

for ( j = 0; j < l; j++, s++ ) PUT_EXP(t,s,nd_mask0);

}

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,in0,in;

ND nd,nf;

NDV ndv;

VL vv,tv;

int stat,nvar,max,e;

pltovl(v,&vv);

nvar = length(vv);

/* get the degree bound */

for ( t = BDY(g), max = 0; t; t = NEXT(t) )

for ( tv = vv; tv; tv = NEXT(tv) ) {

e = getdeg(tv->v,(P)BDY(t));

max = MAX(e,max);

}

for ( tv = vv; tv; tv = NEXT(tv) ) {

e = getdeg(tv->v,f);

max = MAX(e,max);

}

nd_init_ord(ord);

nd_setup_parameters(nvar,max);

/* conversion to ndv */

for ( in0 = 0, t = BDY(g); t; t = NEXT(t) ) {

NEXTNODE(in0,in);

BDY(in) = (pointer)ptondv(CO,vv,(P)BDY(t));

}

NEXTNODE(in0,in);

BDY(in) = (pointer)ptondv(CO,vv,f);

NEXT(in) = 0;

ndv_setup(m,0,in0);

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;

}

*rp = ndvtop(m,CO,vv,ndtondv(m,nf));

}

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