OpenXM_contrib2/asir2000/engine/nd.c - diff

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Diff for /OpenXM_contrib2/asir2000/engine/nd.c between version 1.31 and 1.50

version 1.31, 2003/08/13 03:13:22

version 1.50, 2003/08/27 01:48:25

Line 1

/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.30 2003/08/12 09:07:19 noro Exp $ */

/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.49 2003/08/26 01:54:18 noro Exp $ */

#include "ca.h"

#include "inline.h"

Line 15

#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 30 typedef struct oND {

int sugar;

} *ND;

/* distributed polynomial; array rep. */

typedef struct oNDV {

struct oNMV *body;

int nv;

Line 34 typedef struct oNDV {

Line 38 typedef struct oNDV {

int sugar;

} *NDV;

/* monomial; linked list rep. */

typedef struct oNM {

struct oNM *next;

union {

int m;

Q z;

} c;

int td;

unsigned int dl[1];

} *NM;

/* monomial; array rep. */

typedef struct oNMV {

union {

int m;

Q z;

} c;

int td;

unsigned int dl[1];

} *NMV;

/* history of reducer */

typedef struct oRHist {

struct oRHist *next;

int index;

int td,sugar;

int sugar;

unsigned int dl[1];

} *RHist;

/* S-pair list */

typedef struct oND_pairs {

struct oND_pairs *next;

int i1,i2;

int td,sugar;

int sugar;

unsigned int lcm[1];

} *ND_pairs;

double nd_scale=2;

/* index and shift count for each exponent */

typedef struct oEPOS {

int i; /* index */

int s; /* shift */

} *EPOS;

typedef struct oBlockMask {

int n;

struct order_pair *order_pair;

unsigned int **mask;

} *BlockMask;

typedef struct oBaseSet {

int len;

NDV *ps;

unsigned int **bound;

} *BaseSet;

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

static double nd_scale=2;

static unsigned int **nd_bound;

int nd_nvar;

static struct order_spec *nd_ord;

int is_rlex;

static EPOS nd_epos;

int nd_epw,nd_bpe,nd_wpd;

static BlockMask nd_blockmask;

unsigned int nd_mask[32];

static int nd_nvar;

unsigned int nd_mask0,nd_mask1;

static int nd_isrlex;

static int nd_epw,nd_bpe,nd_wpd,nd_exporigin;

static unsigned int nd_mask[32];

static unsigned int nd_mask0,nd_mask1;

NM _nm_free_list;

static NM _nm_free_list;

ND _nd_free_list;

static ND _nd_free_list;

ND_pairs _ndp_free_list;

static ND_pairs _ndp_free_list;

static NDV *nd_ps;

static NDV *nd_psq;

int *nd_psl;

static RHist *nd_psh;

RHist *nd_psh;

static int nd_psn,nd_pslen;

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;

static int nd_dcomp;

extern int Top,Reverse;

extern int Top,Reverse,dp_nelim;

#define HTD(d) ((d)->body->td)

/* 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 CM(a) ((a)->c.m)

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

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

#define TD(a) ((a)->td)

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

/* 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>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

/* allocators */

#define NEWRHist(r) \

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

#define NEWND_pairs(m) if(!_ndp_free_list)_NDP_alloc(); (m)=_ndp_free_list; _ndp_free_list = NEXT(_ndp_free_list)

#define NEWND_pairs(m) \

#define NEWNM(m) if(!_nm_free_list)_NM_alloc(); (m)=_nm_free_list; _nm_free_list = NEXT(_nm_free_list)

if(!_ndp_free_list)_NDP_alloc();\

#define MKND(n,m,len,d) 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)

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

#define NEWNM(m)\

if(!_nm_free_list)_NM_alloc();\

(m)=_nm_free_list; _nm_free_list = NEXT(_nm_free_list)

#define MKND(n,m,len,d)\

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))

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

Line 203 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 m,int homo,struct order_spec *ord,LIST *rp);

NODE nd_gb(int m,int checkonly);

NODE nd_gb_trace(int m);

void nd_free_private_storage();

void _NM_alloc();

/* ndl functions */

void _ND_alloc();

int ndl_weight(unsigned int *d);

int ndl_td(unsigned int *d);

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

int ndl_dehomogenize(unsigned int *p);

void ndl_dehomogenize(unsigned int *p);

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

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

ND nd_add_q(ND p1,ND p2);

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

ND nd_mul_nm(int mod,ND p,NM m0);

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

ND nd_mul_ind_nm(int mod,int index,NM m0);

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

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_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_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(int mod,ND g,BaseSet base,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);

/* finalizers */

ND nd_reduce_special(ND p1,ND p2);

NODE nd_reducebase(NODE x);

NODE nd_reduceall(int m,NODE f);

int nd_gbcheck(int m,NODE f);

int nd_membercheck(int m,NODE f);

/* allocators */

void nd_free_private_storage();

void _NM_alloc();

void _ND_alloc();

void nd_free(ND p);

void ndv_free(NDV p);

void nd_free_redlist();

/* printing */

void ndl_print(unsigned int *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 td,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(int mod,int trace,NODE f);

void nd_setup_parameters();

void nd_realloc(ND p,int obpe);

BlockMask nd_create_blockmask(struct order_spec *ord);

int nd_get_exporigin(struct order_spec *ord);

/* ND functions */

int nd_check_candidate(NODE input,NODE cand);

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

void nd_mul_c_q(ND p,Q mul);

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);

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)))

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

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);

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 */

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);

Line 279 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 367 INLINE int ndl_reducible(unsigned int *d1,unsigned int

unsigned int u1,u2;

int i,j;

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

switch ( nd_bpe ) {

case 4:

for ( i = 0; 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 295 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 384 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 6:

for ( i = 0; 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 306 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 395 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 8:

for ( i = 0; 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 316 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 405 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 16:

for ( i = 0; 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 324 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 413 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 32:

for ( i = 0; 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 = 0; 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 338 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 427 INLINE int ndl_reducible(unsigned int *d1,unsigned int

}

/* returns the exponent of homo variable */

void ndl_dehomogenize(unsigned int *d)

int ndl_dehomogenize(unsigned int *d)

{

unsigned int mask;

unsigned int h;

int i,bits;

if ( is_rlex ) {

if ( nd_blockmask ) {

if ( nd_bpe == 32 ) {

h = GET_EXP(d,nd_nvar-1);

h = d[0];

XOR_EXP(d,nd_nvar-1,h);

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

TD(d) -= h;

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

d[nd_exporigin-1] -= h;

d[i-1] = 0;

} else {

return 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[0]>>((nd_epw-1)*nd_bpe))&nd_mask0;

TD(d) -= h;

for ( i = 0; 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);

return h;

}

} else {

/* do nothing */

return d[nd_wpd-1];

}

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

{

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

int i,j;

int i,j,l;

switch ( nd_bpe ) {

case 4:

for ( i = 0; 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 389 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 484 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

case 6:

for ( i = 0; 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 400 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 495 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

case 8:

for ( i = 0; 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 410 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 505 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

case 16:

for ( i = 0; 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 418 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 513 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

case 32:

for ( i = 0; 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 = 0; 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 433 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 528 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

}

TD(d) = ndl_weight(d);

if ( nd_blockmask ) {

l = nd_blockmask->n;

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

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

}

int ndl_td(unsigned int *d)

int ndl_weight(unsigned int *d)

{

unsigned int t,u;

int i,j;

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

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);

Line 448 int ndl_td(unsigned int *d)

Line 549 int ndl_td(unsigned int *d)

return t;

}

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

int ndl_weight_mask(unsigned int *d,int index)

{

unsigned int t,u;

unsigned int *mask;

int i,j;

mask = nd_blockmask->mask[index];

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;

}

int ndl_lex_compare(unsigned int *d1,unsigned int *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 is_rlex ? -1 : 1;

return nd_isrlex ? -1 : 1;

else if ( *d1 < *d2 )

return is_rlex ? 1 : -1;

return nd_isrlex ? 1 : -1;

return 0;

}

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

{

int i,l,j,ord_o,ord_l;

struct order_pair *op;

unsigned int t1,t2,m;

unsigned int *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;

}

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

{

int i;

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

if ( d1[i] != d2[i] )

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

return 0;

return 1;

}

Line 475 INLINE void ndl_copy(unsigned int *d1,unsigned int *d2

Line 621 INLINE void ndl_copy(unsigned int *d1,unsigned int *d2

int i;

switch ( nd_wpd ) {

case 1:

d2[0] = d1[0];

break;

case 2:

d2[0] = d1[0];

TD(d2) = TD(d1);

d2[1] = d1[1];

break;

case 3:

TD(d2) = TD(d1);

d2[1] = d1[1];

d2[2] = d1[2];

break;

default:

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

d2[i] = d1[i];

Line 493 INLINE void ndl_add(unsigned int *d1,unsigned int *d2,

Line 641 INLINE void ndl_add(unsigned int *d1,unsigned int *d2,

{

int i;

#if 1

switch ( nd_wpd ) {

case 1:

d[0] = d1[0]+d2[0];

break;

case 2:

d[0] = d1[0]+d2[0];

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

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

break;

default:

case 3:

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

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

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

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

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

break;

}

INLINE void ndl_add2(unsigned int *d1,unsigned int *d2)

{

int i;

switch ( nd_wpd ) {

case 1:

d2[0] += d1[0];

break;

case 2:

d2[0] += d1[0];

d2[1] += d1[1];

break;

default:

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

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

d2[i] += d1[i];

break;

}

#else

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

#endif

}

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

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

{

int i;

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

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

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

}

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

Line 542 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 675 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

switch ( nd_bpe ) {

case 4:

for ( i = 0; 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 556 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 689 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 6:

for ( i = 0; 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 567 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 700 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 8:

for ( i = 0; 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 577 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 710 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 16:

for ( i = 0; 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 585 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 718 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 32:

for ( i = 0; 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 = 0; 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 612 int ndl_check_bound2(int index,unsigned int *d2)

Line 745 int ndl_check_bound2(int index,unsigned int *d2)

ind = 0;

switch ( nd_bpe ) {

case 4:

for ( i = 0; 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 626 int ndl_check_bound2(int index,unsigned int *d2)

Line 759 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 6:

for ( i = 0; 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 637 int ndl_check_bound2(int index,unsigned int *d2)

Line 770 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 8:

for ( i = 0; 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 647 int ndl_check_bound2(int index,unsigned int *d2)

Line 780 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 16:

for ( i = 0; 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 655 int ndl_check_bound2(int index,unsigned int *d2)

Line 788 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 32:

for ( i = 0; 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 = 0; 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 673 int ndl_check_bound2(int index,unsigned int *d2)

Line 806 int ndl_check_bound2(int index,unsigned int *d2)

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

{

unsigned int u1,u2;

unsigned int u2;

int i,j,k;

int i,j,ind,k;

ind = 0;

switch ( nd_bpe ) {

case 4:

for ( i = 0; 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 = 0; 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 = 0; 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 = 0; 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 = 0; 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 = 0; 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(int td,unsigned int *d)

INLINE int ndl_hash_value(unsigned int *d)

{

int i;

int r;

r = td;

r = 0;

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

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

return r;

Line 752 INLINE int ndl_hash_value(int td,unsigned int *d)

Line 885 INLINE int ndl_hash_value(int td,unsigned int *d)

INLINE int nd_find_reducer(ND g)

{

RHist r;

unsigned int *dg;

int d,k,i;

d = ndl_hash_value(HTD(g),HDL(g));

dg = HDL(g);

#if 1

d = ndl_hash_value(HDL(g));

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

if ( HTD(g) == TD(r) && ndl_equal(HDL(g),DL(r)) ) {

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

if ( k > 0 ) nd_notfirst++;

nd_found++;

return r->index;

}

#endif

if ( Reverse )

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

r = nd_psh[i];

if ( HTD(g) >= TD(r) && ndl_reducible(HDL(g),DL(r)) ) {

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

nd_create++;

nd_append_red(HDL(g),HTD(g),i);

nd_append_red(dg,i);

return i;

}

else

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

r = nd_psh[i];

if ( HTD(g) >= TD(r) && ndl_reducible(HDL(g),DL(r)) ) {

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

nd_create++;

nd_append_red(HDL(g),HTD(g),i);

nd_append_red(dg,i);

return i;

}

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

Line 929 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 ( HTD(g) >= HTD(r) && ndl_reducible(HDL(g),HDL(r)) ) {

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

nd_append_red(HDL(g),HTD(g),i);

return i;

}

else

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

r = ps[i];

if ( HTD(g) >= HTD(r) && ndl_reducible(HDL(g),HDL(r)) ) {

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

nd_append_red(HDL(g),HTD(g),i);

return i;

}

return -1;

}

Line 811 INLINE int nd_find_reducer_direct(ND g,NDV *ps,int len

Line 944 INLINE int nd_find_reducer_direct(ND g,NDV *ps,int len

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

{

int n,c;

int t,can;

int t,can,td1,td2;

ND r;

NM m1,m2,mr0,mr,s;

if ( !p1 )

if ( !p1 ) return p2;

return p2;

else if ( !p2 ) return p1;

else if ( !p2 )

else if ( !mod ) return nd_add_q(p1,p2);

return p1;

else if ( !mod )

return nd_add_q(p1,p2);

else {

can = 0;

for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {

if ( TD(m1) > TD(m2) )

c = DL_COMPARE(DL(m1),DL(m2));

c = 1;

else if ( TD(m1) < TD(m2) )

c = -1;

else

c = ndl_compare(DL(m1),DL(m2));

switch ( c ) {

case 0:

t = ((CM(m1))+(CM(m2))) - mod;

if ( t < 0 )

if ( t < 0 ) t += mod;

t += mod;

s = m1; m1 = NEXT(m1);

if ( t ) {

can++;

can++; NEXTNM2(mr0,mr,s); CM(mr) = (t);

NEXTNM2(mr0,mr,s); CM(mr) = (t);

} else {

can += 2;

can += 2; FREENM(s);

FREENM(s);

}

s = m2; m2 = NEXT(m2); FREENM(s);

break;

Line 854 ND nd_add(int mod,ND p1,ND p2)

Line 976 ND nd_add(int mod,ND p1,ND p2)

}

if ( !mr0 )

if ( m1 )

if ( m1 ) mr0 = m1;

mr0 = m1;

else if ( m2 ) mr0 = m2;

else if ( m2 )

else return 0;

mr0 = m2;

else if ( m1 ) NEXT(mr) = m1;

else

else if ( m2 ) NEXT(mr) = m2;

return 0;

else NEXT(mr) = 0;

else if ( m1 )

NEXT(mr) = m1;

else if ( m2 )

NEXT(mr) = m2;

else

NEXT(mr) = 0;

BDY(p1) = mr0;

SG(p1) = MAX(SG(p1),SG(p2));

LEN(p1) = LEN(p1)+LEN(p2)-can;

Line 881 ND nd_add_q(ND p1,ND p2)

Line 997 ND nd_add_q(ND p1,ND p2)

NM m1,m2,mr0,mr,s;

Q t;

if ( !p1 )

if ( !p1 ) return p2;

return p2;

else if ( !p2 ) return p1;

else if ( !p2 )

return p1;

else {

can = 0;

for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {

if ( TD(m1) > TD(m2) )

c = DL_COMPARE(DL(m1),DL(m2));

c = 1;

else if ( TD(m1) < TD(m2) )

c = -1;

else

c = ndl_compare(DL(m1),DL(m2));

switch ( c ) {

case 0:

addq(CQ(m1),CQ(m2),&t);

s = m1; m1 = NEXT(m1);

if ( t ) {

can++;

can++; NEXTNM2(mr0,mr,s); CQ(mr) = (t);

NEXTNM2(mr0,mr,s); CQ(mr) = (t);

} else {

can += 2;

can += 2; FREENM(s);

FREENM(s);

}

s = m2; m2 = NEXT(m2); FREENM(s);

break;

Line 916 ND nd_add_q(ND p1,ND p2)

Line 1023 ND nd_add_q(ND p1,ND p2)

}

if ( !mr0 )

if ( m1 )

if ( m1 ) mr0 = m1;

mr0 = m1;

else if ( m2 ) mr0 = m2;

else if ( m2 )

else return 0;

mr0 = m2;

else if ( m1 ) NEXT(mr) = m1;

else

else if ( m2 ) NEXT(mr) = m2;

return 0;

else NEXT(mr) = 0;

else if ( m1 )

NEXT(mr) = m1;

else if ( m2 )

NEXT(mr) = m2;

else

NEXT(mr) = 0;

BDY(p1) = mr0;

SG(p1) = MAX(SG(p1),SG(p2));

LEN(p1) = LEN(p1)+LEN(p2)-can;

Line 953 int nd_nf(int mod,ND g,int full,ND *rp)

Line 1054 int nd_nf(int mod,ND g,int full,ND *rp)

*rp = 0;

return 1;

}

if ( !mod )

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

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

sugar0 = sugar = SG(g);

n = NV(g);

Line 964 int nd_nf(int mod,ND g,int full,ND *rp)

Line 1064 int nd_nf(int mod,ND g,int full,ND *rp)

if ( index >= 0 ) {

h = nd_psh[index];

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

TD(mul) = HTD(g)-TD(h);

#if 0

if ( d && (SG(p)+TD(mul)) > sugar ) {

goto afo;

}

#endif

if ( ndl_check_bound2(index,DL(mul)) ) {

nd_free(g); nd_free(d);

return 0;

Line 985 int nd_nf(int mod,ND g,int full,ND *rp)

Line 1079 int nd_nf(int mod,ND g,int full,ND *rp)

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

}

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

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

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

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

nd_removecont2(d,g);

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

Line 994 int nd_nf(int mod,ND g,int full,ND *rp)

Line 1088 int nd_nf(int mod,ND g,int full,ND *rp)

*rp = g;

return 1;

} else {

afo:

m = BDY(g);

if ( NEXT(m) ) {

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

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

LEN(g)--;

} else {

FREEND(g); g = 0;

}

if ( d ) {

NEXT(tail)=m;

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

tail=m;

LEN(d)++;

} else {

MKND(n,m,1,d);

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

tail = BDY(d);

}

if ( d )

if ( d ) SG(d) = sugar;

SG(d) = sugar;

*rp = d;

return 1;

}

Line 1038 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

Line 1126 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

}

sugar = SG(g);

n = NV(g);

if ( !mod )

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

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

bucket = create_pbucket();

add_pbucket(mod,bucket,g);

d = 0;

Line 1047 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

Line 1134 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

while ( 1 ) {

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

if ( hindex < 0 ) {

if ( d )

if ( d ) SG(d) = sugar;

SG(d) = sugar;

*rp = d;

return 1;

}

Line 1057 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

Line 1143 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

if ( index >= 0 ) {

h = nd_psh[index];

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

TD(mul) = HTD(g)-TD(h);

if ( ndl_check_bound2(index,DL(mul)) ) {

nd_free(d);

free_pbucket(bucket);

Line 1081 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

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

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

red = nd_remove_head(red);

add_pbucket(mod,bucket,red);

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

psugar = SG(p)+TD(DL(mul));

sugar = MAX(sugar,psugar);

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

g = normalize_pbucket(mod,bucket);

if ( !g ) {

if ( d )

if ( d ) SG(d) = sugar;

SG(d) = sugar;

*rp = d;

return 1;

}

Line 1096 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

Line 1181 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

}

} else if ( !full ) {

g = normalize_pbucket(mod,bucket);

if ( g )

if ( g ) SG(g) = sugar;

SG(g) = sugar;

*rp = g;

return 1;

} else {

m = BDY(g);

if ( NEXT(m) ) {

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

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

LEN(g)--;

} else {

FREEND(g); g = 0;

}

bucket->body[hindex] = g;

NEXT(m) = 0;

if ( d ) {

NEXT(tail)=m;

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

tail=m;

LEN(d)++;

} else {

MKND(n,m,1,d);

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

tail = BDY(d);

}

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;

unsigned int **bound;

RHist h;

NDV p,red;

Q cg,cred,gcd;

Line 1146 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

Line 1228 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-1)*sizeof(unsigned int));

Line 1154 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

Line 1239 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

if ( index >= 0 ) {

p = ps[index];

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

TD(mul) = HTD(g)-HTD(p);

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

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

nd_free(g); nd_free(d);

return 0;

}

Line 1168 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

Line 1252 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

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

}

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

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

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

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

nd_removecont2(d,g);

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

Line 1179 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

Line 1263 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

} else {

m = BDY(g);

if ( NEXT(m) ) {

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

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

LEN(g)--;

} else {

FREEND(g); g = 0;

}

if ( d ) {

NEXT(tail)=m;

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

tail=m;

LEN(d)++;

} else {

MKND(n,m,1,d);

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

tail = BDY(d);

}

if ( d )

if ( d ) SG(d) = sugar;

SG(d) = sugar;

*rp = d;

return 1;

}

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

{

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 ) {

*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-1)*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));

TD(mul) = HTD(g)-HTD(p);

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(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;

NODE t,s;

nd_setup(0,cand);

#if 0

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

MKNODE(s,BDY(cand),t); t = s;

}

cand = t;

#endif

nd_setup(0,0,cand);

n = length(cand);

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

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

again:

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

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

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

if ( !stat )

if ( !stat ) {

nd_reconstruct_direct(0,nd_psq,n);

nd_reconstruct(0,0,0);

else if ( nf )

goto again;

return 0;

} else if ( nf ) return 0;

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

}

printf("\n");

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

if ( !nd_gb(0,1) )

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

return 0;

/* XXX */

return 1;

}

Line 1340 ND nd_remove_head(ND p)

Line 1321 ND nd_remove_head(ND p)

m = BDY(p);

if ( !NEXT(m) ) {

FREEND(p);

FREEND(p); p = 0;

p = 0;

} else {

BDY(p) = NEXT(m);

BDY(p) = NEXT(m); LEN(p)--;

LEN(p)--;

}

FREENM(m);

return p;

Line 1396 void mulq_pbucket(PGeoBucket g,Q c)

Line 1375 void mulq_pbucket(PGeoBucket g,Q c)

nd_mul_c_q(g->body[k],c);

}

/* XXX not completed */

int head_pbucket(int mod,PGeoBucket g)

{

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

Line 1415 int head_pbucket(int mod,PGeoBucket g)

Line 1393 int head_pbucket(int mod,PGeoBucket g)

dj = HDL(gj);

sum = HCM(gj);

} else {

di = HDL(gi);

c = DL_COMPARE(HDL(gi),dj);

nv = NV(gi);

if ( HTD(gi) > HTD(gj) )

c = 1;

else if ( HTD(gi) < HTD(gj) )

c = -1;

else

c = ndl_compare(di,dj);

if ( c > 0 ) {

if ( sum )

if ( sum ) HCM(gj) = sum;

HCM(gj) = sum;

else g->body[j] = nd_remove_head(gj);

else

g->body[j] = nd_remove_head(gj);

j = i;

gj = g->body[j];

dj = HDL(gj);

sum = HCM(gj);

} else if ( c == 0 ) {

sum = sum+HCM(gi)-mod;

if ( sum < 0 )

if ( sum < 0 ) sum += mod;

sum += mod;

g->body[i] = nd_remove_head(gi);

}

if ( j < 0 )

if ( j < 0 ) return -1;

return -1;

else if ( sum ) {

HCM(gj) = sum;

return j;

Line 1454 int head_pbucket_q(PGeoBucket g)

Line 1421 int head_pbucket_q(PGeoBucket g)

{

int j,i,c,k,nv;

Q sum,t;

unsigned int *di,*dj;

ND gi,gj;

k = g->m;

while ( 1 ) {

j = -1;

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

if ( !(gi = g->body[i]) )

if ( !(gi = g->body[i]) ) continue;

continue;

if ( j < 0 ) {

j = i;

gj = g->body[j];

dj = HDL(gj);

sum = HCQ(gj);

} else {

di = HDL(gi);

nv = NV(gi);

if ( HTD(gi) > HTD(gj) )

c = DL_COMPARE(HDL(gi),HDL(gj));

c = 1;

else if ( HTD(gi) < HTD(gj) )

c = -1;

else

c = ndl_compare(di,dj);

if ( c > 0 ) {

if ( sum )

if ( sum ) HCQ(gj) = sum;

HCQ(gj) = sum;

else g->body[j] = nd_remove_head(gj);

else

g->body[j] = nd_remove_head(gj);

j = i;

gj = g->body[j];

dj = HDL(gj);

sum = HCQ(gj);

} else if ( c == 0 ) {

addq(sum,HCQ(gi),&t);

Line 1493 int head_pbucket_q(PGeoBucket g)

Line 1448 int head_pbucket_q(PGeoBucket g)

}

if ( j < 0 )

if ( j < 0 ) return -1;

return -1;

else if ( sum ) {

HCQ(gj) = sum;

return j;

Line 1546 again:

Line 1500 again:

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);

#else

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

#endif

if ( !stat ) {

NEXT(l) = d; d = l;

d = nd_reconstruct(m,0,d);

Line 1554 again:

Line 1512 again:

} else if ( nf ) {

if ( checkonly ) return 0;

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

nh = nd_newps(m,nf);

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

d = update_pairs(d,g,nh);

g = update_base(g,nh);

FREENDP(l);

Line 1564 again:

Line 1522 again:

}

if ( m )

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

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

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

else

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

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

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

return g;

}

Line 1599 again:

Line 1555 again:

d = nd_reconstruct(m,1,d);

goto again;

}

#if USE_GEOBUCKET

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

#else

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

#endif

if ( !stat ) {

NEXT(l) = d; d = l;

d = nd_reconstruct(m,1,d);

Line 1610 again:

Line 1570 again:

nd_nf(0,h,!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 ( nf < 0 ) return 0;

if ( nh < 0 ) return 0;

d = update_pairs(d,g,nh);

g = update_base(g,nh);

} else {

Line 1630 again:

Line 1590 again:

int ndv_compare(NDV *p1,NDV *p2)

{

int td1,td2;

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

td1 = HTD(*p1); td2 = HTD(*p2);

if ( td1 > td2 ) return 1;

else if ( td1 < td2 ) return -1;

else return ndl_compare(HDL(*p1),HDL(*p2));

}

int ndv_compare_rev(NDV *p1,NDV *p2)

{

return -ndv_compare(p1,p2);

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

}

NODE nd_reduceall(int m,NODE f)

Line 1649 NODE nd_reduceall(int m,NODE f)

Line 1604 NODE nd_reduceall(int m,NODE f)

NDV *w,*ps;

ND nf,g;

NODE t,a0,a;

struct oBaseSet base;

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

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

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

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

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

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

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

base.len = n-1;

w[j] = (NDV)ps[j];

i = 0;

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

while ( i < n ) {

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

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++ )

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

ps[j-1] = ps[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 1700 ND_pairs update_pairs( ND_pairs d, NODE /* of index */

Line 1670 ND_pairs update_pairs( ND_pairs d, NODE /* of index */

while ( cur ) {

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

remove = cur;

if ( !prev ) {

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

head = cur = NEXT(cur);

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

} else {

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

}

FREENDP(remove);

} else {

prev = cur;

prev = cur; cur = NEXT(cur);

cur = NEXT(cur);

}

if ( !d )

return head;

else {

nd = d;

while ( NEXT(nd) )

while ( NEXT(nd) ) nd = NEXT(nd);

nd = NEXT(nd);

NEXT(nd) = head;

return d;

}

Line 1726 ND_pairs nd_newpairs( NODE g, int t )

Line 1691 ND_pairs nd_newpairs( NODE g, int t )

{

NODE h;

unsigned int *dl;

int td,ts,s;

int ts,s;

ND_pairs r,r0;

dl = DL(nd_psh[t]);

td = TD(nd_psh[t]);

ts = SG(nd_psh[t]) - TD(dl);

ts = SG(nd_psh[t]) - td;

for ( r0 = 0, h = g; h; h = NEXT(h) ) {

NEXTND_pairs(r0,r);

r->i1 = (int)BDY(h);

r->i2 = t;

ndl_lcm(DL(nd_psh[r->i1]),dl,r->lcm);

TD(r) = ndl_td(r->lcm);

s = SG(nd_psh[r->i1])-TD(DL(nd_psh[r->i1]));

s = SG(nd_psh[r->i1])-TD(nd_psh[r->i1]);

SG(r) = MAX(s,ts) + TD(LCM(r));

SG(r) = MAX(s,ts) + TD(r);

}

NEXT(r) = 0;

return r0;

Line 1769 ND_pairs crit_B( ND_pairs d, int s )

Line 1732 ND_pairs crit_B( ND_pairs d, int s )

}

FREENDP(remove);

} else {

prev = cur;

prev = cur; cur = NEXT(cur);

cur = NEXT(cur);

}

return head;

}

/* XXX : check is necessary */

ND_pairs crit_M( ND_pairs d1 )

{

ND_pairs e,d2,d3,dd,p;

unsigned int *id,*jd;

int itd,jtd;

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

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

NEXT(e) = dd;

return e;

}

id = e->lcm;

id = LCM(e);

itd = TD(e);

for ( d3 = 0; d2; d2 = p ) {

p = NEXT(d2),

p = NEXT(d2);

jd = d2->lcm;

jd = LCM(d2);

jtd = TD(d2);

if ( ndl_equal(jd,id) )

if ( jtd == itd )

;

if ( id == jd );

else if ( TD(jd) > TD(id) )

else if ( ndl_reducible(jd,id) ) continue;

else if ( ndl_reducible(id,jd) ) goto delit;

else ;

else if ( jtd > itd )

if ( ndl_reducible(jd,id) ) continue;

else ;

else if ( ndl_reducible(id,jd ) ) goto delit;

else if ( ndl_reducible(id,jd) ) goto delit;

NEXT(d2) = d3;

d3 = d2;

}

Line 1868 int crit_2( int dp1, int dp2 )

Line 1826 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;

int td;

w = d1;

d = w->lcm;

d = LCM(w);

td = TD(w);

s = NEXT(w);

NEXT(w) = 0;

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

p = NEXT(s);

if ( td == TD(s) && ndl_equal(d,s->lcm) ) {

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 1897 NODE update_base(NODE nd,int ndp)

Line 1851 NODE update_base(NODE nd,int ndp)

{

unsigned int *dl, *dln;

NODE last, p, head;

int td,tdn;

dl = DL(nd_psh[ndp]);

td = TD(nd_psh[ndp]);

for ( head = last = 0, p = nd; p; ) {

dln = DL(nd_psh[(int)BDY(p)]);

tdn = TD(nd_psh[(int)BDY(p)]);

if ( ndl_reducible( dln, dl ) ) {

if ( tdn >= td && ndl_reducible( dln, dl ) ) {

p = NEXT(p);

if ( last ) NEXT(last) = p;

} else {

Line 1920 ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )

Line 1871 ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )

{

ND_pairs m,ml,p,l;

unsigned int *lcm;

int s,td,len,tlen,c;

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

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

*prest = p;

NEXT(m) = 0;

return m;

}

lcm = m->lcm;

s = SG(m);

td = TD(m);

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

len = nd_psl[m->i1]+nd_psl[m->i2];

if ( (SG(p) < s)

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

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

if (SG(p) < s)

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

goto find;

else if ( SG(p) == s ) {

if ( TD(p) < td )

goto find;

else if ( TD(p) == td ) {

c = ndl_compare(p->lcm,lcm);

if ( c < 0 )

goto find;

}

continue;

find:

ml = l;

m = p;

lcm = m->lcm;

s = SG(m);

td = TD(m);

len = tlen;

}

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

else {

NEXT(ml) = NEXT(m);

Line 1961 find:

Line 1893 find:

return m;

}

int nd_newps(int mod,ND a)

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

{

int len;

RHist r;

Line 1969 int nd_newps(int mod,ND a)

Line 1901 int nd_newps(int mod,ND a)

if ( nd_psn == nd_pslen ) {

nd_pslen *= 2;

nd_psl = (int *)REALLOC((char *)nd_psl,nd_pslen*sizeof(int));

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

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

}

nd_removecont(mod,a);

if ( a && aq ) {

nd_bound[nd_psn] = nd_compute_bound(a);

/* trace lifting */

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

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

nd_psh[nd_psn] = r;

return -1;

b = ndtondv(mod,a);

len = LEN(b);

if ( mod )

nd_ps[nd_psn] = b;

else

nd_psq[nd_psn] = b;

nd_psl[nd_psn] = len;

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_psl = (int *)REALLOC((char *)nd_psl,nd_pslen*sizeof(int));

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

nd_psq = (NDV *)REALLOC((char *)nd_psq,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 ( !rem(NM(HCQ(nfq)),mod) ) return -1;

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

nd_removecont(mod,nf);

if ( aq ) {

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

nd_removecont(0,aq);

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

nd_removecont(0,nfq);

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

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

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

}

nd_bound[nd_psn] = nd_compute_bound(nfq);

if ( a ) {

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

nd_removecont(mod,a);

nd_psh[nd_psn] = r;

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

if ( !aq ) {

len = LEN(nd_psq[nd_psn]);

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

nd_psl[nd_psn] = len;

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

}

nd_free(nf); nd_free(nfq);

}

nd_free(a); nd_free(aq);

return nd_psn++;

}

void nd_setup(int mod,NODE f)

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

{

int i,j,td,len,max;

NODE s,s0,f0;

Line 2035 void nd_setup(int mod,NODE f)

Line 1942 void nd_setup(int mod,NODE f)

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

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

nd_psl = (int *)MALLOC(nd_pslen*sizeof(int));

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

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

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

Line 2049 void nd_setup(int mod,NODE f)

Line 1955 void nd_setup(int mod,NODE f)

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

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

if ( max < 2 )

if ( max < 2 ) nd_bpe = 2;

nd_bpe = 2;

else if ( max < 4 ) nd_bpe = 4;

else if ( max < 4 )

else if ( max < 64 ) nd_bpe = 6;

nd_bpe = 4;

else if ( max < 256 ) nd_bpe = 8;

else if ( max < 64 )

else if ( max < 65536 ) nd_bpe = 16;

nd_bpe = 6;

else nd_bpe = 32;

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));

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

ndv_removecont(mod,a);

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

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

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

if ( trace ) {

if ( mod )

nd_ps[i] = a;

else

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

nd_psq[i] = a;

} else {

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_psl = (int *)MALLOC(nd_pslen*sizeof(int));

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;

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

NEWRHist(r);

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

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

nd_psh[i] = r;

}

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

{

struct order_spec ord1;

Line 2139 void nd_gr(LIST f,LIST v,int m,struct order_spec *ord,

Line 1990 void nd_gr(LIST f,LIST v,int m,struct order_spec *ord,

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

nd_nvar = length(vv);

if ( ord->id )

nd_init_ord(ord);

error("nd_gr : unsupported order");

/* XXX for DP */

switch ( ord->ord.simple ) {

case 0:

is_rlex = 1;

break;

case 1:

is_rlex = 0;

break;

default:

error("nd_gr : unsupported order");

}

initd(ord);

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

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

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

}

if ( fd0 ) NEXT(fd) = 0;

nd_setup(m,fd0);

nd_setup(m,0,fd0);

x = nd_gb(m,0);

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

nd_found,nd_notfirst,nd_create);

x = nd_reducebase(x);

x = nd_reduceall(m,x);

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

NEXTNODE(r0,r);

Line 2186 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

Line 2028 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

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

nd_nvar = length(vv);

if ( ord->id )

error("nd_gr : unsupported order");

initd(ord);

if ( homo ) {

homogenize_order(ord,nd_nvar,&ord1);

switch ( ord1.ord.simple ) {

case 0: is_rlex = 1; break;

case 1: is_rlex = 0; break;

default: error("nd_gr : unsupported order");

}

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

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

if ( c ) {

Line 2205 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

Line 2040 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

}

if ( fd0 ) NEXT(fd) = 0;

if ( in0 ) NEXT(in) = 0;

nd_init_ord(&ord1);

initd(&ord1);

nd_nvar++;

} else {

switch ( ord->ord.simple ) {

case 0: is_rlex = 1; break;

case 1: is_rlex = 0; break;

default: error("nd_gr : unsupported order");

}

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

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

if ( c ) {

Line 2221 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

Line 2052 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

}

if ( fd0 ) NEXT(fd) = 0;

in0 = fd0;

nd_init_ord(ord);

}

do {

nd_setup_trace(m,fd0);

nd_setup(m,1,fd0);

cand = nd_gb_trace(m);

if ( !cand ) continue;

if ( homo ) {

/* dehomogenization */

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

ndv_dehomogenize((NDV)BDY(t));

ndv_dehomogenize((NDV)BDY(t),ord);

nd_nvar--;

nd_setup_parameters();

initd(ord);

cand = nd_reducebase(cand);

nd_init_ord(ord);

nd_setup_parameters();

}

cand = nd_reducebase(cand);

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

nd_found,nd_notfirst,nd_create);

cand = nd_reduceall(0,cand);

Line 2257 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

Line 2090 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

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

{

unsigned int *d;

int i;

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

struct order_pair *op;

d = dl->d;

bzero(r,nd_wpd*sizeof(unsigned int));

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

if ( is_rlex )

if ( nd_blockmask ) {

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

l = nd_blockmask->n;

r[(n-1-i)/nd_epw] |= (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_o = op[j].order;

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

ord_l = op[j].length;

if ( !ord_o )

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,n-1-i,d[i]);

else

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

TD(r) = ndl_weight(r);

}

DL ndltodl(int n,int td,unsigned int *ndl)

DL ndltodl(int n,unsigned int *ndl)

{

DL dl;

int *d;

int i;

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

struct order_pair *op;

NEWDL(dl,n);

TD(dl) = td;

dl->td = TD(ndl);

d = dl->d;

if ( is_rlex )

if ( nd_blockmask ) {

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

l = nd_blockmask->n;

d[i] = (ndl[(n-1-i)/nd_epw]>>((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_o = op[j].order;

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

ord_l = op[j].length;

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

if ( !ord_o )

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

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,n-1-i);

else

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

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

}

return dl;

}

Line 2302 ND dptond(int mod,DP p)

Line 2169 ND dptond(int mod,DP p)

m0 = 0;

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

NEXTNM(m0,m);

if ( mod )

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

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

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

else

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

TD(m) = TD(DL(t));

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

}

NEXT(m) = 0;

Line 2328 DP ndtodp(int mod,ND p)

Line 2192 DP ndtodp(int mod,ND p)

m0 = 0;

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

NEXTMP(m0,m);

if ( mod )

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

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

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

else

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

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

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

}

NEXT(m) = 0;

MKDP(n,m0,d);

Line 2343 DP ndtodp(int mod,ND p)

Line 2205 DP ndtodp(int mod,ND p)

void ndl_print(unsigned int *dl)

{

int n;

int i;

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

struct order_pair *op;

n = nd_nvar;

printf("<<");

if ( is_rlex )

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]>>((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe))

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

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

ord_o = op[j].order;

else

ord_l = op[j].length;

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

if ( !ord_o )

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

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

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

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

&((1<<nd_bpe)-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,n-1-i));

else

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

}

printf(">>");

}

Line 2396 void ndp_print(ND_pairs d)

Line 2268 void ndp_print(ND_pairs d)

{

ND_pairs t;

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

for ( t = d; t; t = NEXT(t) ) printf("%d,%d ",t->i1,t->i2);

printf("%d,%d ",t->i1,t->i2);

}

printf("\n");

}

Line 2411 void nd_removecont(int mod,ND p)

Line 2281 void nd_removecont(int mod,ND p)

struct oVECT v;

N q,r;

if ( mod )

if ( mod ) nd_mul_c(mod,p,invm(HCM(p),mod));

nd_mul_c(mod,p,invm(HCM(p),mod));

else {

for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ );

w = (Q *)ALLOCA(n*sizeof(Q));

v.len = n;

v.body = (pointer *)w;

for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ )

for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) w[i] = CQ(m);

w[i] = CQ(m);

removecont_array(w,n);

for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) CQ(m) = w[i];

}

Line 2445 void nd_removecont2(ND p1,ND p2)

Line 2313 void nd_removecont2(ND p1,ND p2)

w = (Q *)ALLOCA(n*sizeof(Q));

v.len = n;

v.body = (pointer *)w;

for ( m = BDY(p1), i = 0; i < n1; m = NEXT(m), i++ )

for ( m = BDY(p1), i = 0; i < n1; m = NEXT(m), i++ ) w[i] = CQ(m);

w[i] = CQ(m);

for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) w[i] = CQ(m);

for ( m = BDY(p2); i < n; m = NEXT(m), i++ )

w[i] = CQ(m);

removecont_array(w,n);

for ( m = BDY(p1), i = 0; i < n1; m = NEXT(m), i++ ) CQ(m) = w[i];

for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) CQ(m) = w[i];

Line 2466 void ndv_removecont(int mod,NDV p)

Line 2332 void ndv_removecont(int mod,NDV p)

else {

len = p->len;

w = (Q *)ALLOCA(len*sizeof(Q));

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

for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) w[i] = CQ(m);

w[i] = CQ(m);

sortbynm(w,len);

qltozl(w,len,&dvr);

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

Line 2476 void ndv_removecont(int mod,NDV p)

Line 2341 void ndv_removecont(int mod,NDV p)

}

void ndv_dehomogenize(NDV p)

void ndv_dehomogenize(NDV p,struct order_spec *ord)

{

int i,len,newnvar,newwpd,newadv;

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++ )

TD(m) -= ndl_dehomogenize(DL(m));

ndl_dehomogenize(DL(m));

if ( newwpd != nd_wpd ) {

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

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

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

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

CQ(r) = CQ(m);

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 2517 void removecont_array(Q *c,int n)

Line 2384 void removecont_array(Q *c,int n)

NTOQ(qn,SGN(c[i])*SGN(d0),q[i]);

NTOQ(rn,SGN(c[i]),r[i]);

}

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

for ( i = 0; i < n; i++ ) if ( r[i] ) break;

if ( r[i] )

break;

if ( i < n ) {

v.id = O_VECT; v.len = n; v.body = (pointer *)r;

igcdv(&v,&d1);

Line 2534 void removecont_array(Q *c,int n)

Line 2399 void removecont_array(Q *c,int n)

q[i] = u;

}

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

for ( i = 0; i < n; i++ ) c[i] = q[i];

c[i] = q[i];

}

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

Line 2543 void nd_mul_c(int mod,ND p,int mul)

Line 2407 void nd_mul_c(int mod,ND p,int mul)

NM m;

int c,c1;

if ( !p )

if ( !p ) return;

return;

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

c1 = CM(m);

DMAR(c1,mul,0,mod,c);

Line 2557 void nd_mul_c_q(ND p,Q mul)

Line 2420 void nd_mul_c_q(ND p,Q mul)

NM m;

Q c;

if ( !p )

if ( !p ) return;

return;

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

mulq(CQ(m),mul,&c); CQ(m) = c;

}

Line 2568 void nd_free(ND p)

Line 2430 void nd_free(ND p)

{

NM t,s;

if ( !p )

if ( !p ) return;

return;

t = BDY(p);

while ( t ) {

s = NEXT(t);

Line 2584 void ndv_free(NDV p)

Line 2445 void ndv_free(NDV p)

GC_free(BDY(p));

}

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

void nd_append_red(unsigned int *d,int i)

{

RHist m,m0;

int h;

NEWRHist(m);

h = ndl_hash_value(td,d);

h = ndl_hash_value(d);

m->index = i;

TD(m) = td;

ndl_copy(d,DL(m));

NEXT(m) = nd_red[h];

nd_red[h] = m;

Line 2609 unsigned int *dp_compute_bound(DP p)

Line 2469 unsigned int *dp_compute_bound(DP p)

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

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

m = BDY(p);

bcopy(DL(m)->d,d1,nd_nvar*sizeof(unsigned int));

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++ )

Line 2618 unsigned int *dp_compute_bound(DP p)

Line 2479 unsigned int *dp_compute_bound(DP p)

}

l = (nd_nvar+31);

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

bzero(t,l*sizeof(unsigned int));

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

bcopy(d1,t,nd_nvar*sizeof(unsigned int));

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

return t;

}

unsigned int *nd_compute_bound(ND p)

unsigned int *ndv_compute_bound(NDV p)

{

unsigned int *d1,*d2,*t;

int i,l;

int i,l,len;

NM m;

NMV m;

if ( !p )

return 0;

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

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

bcopy(HDL(p),d1,nd_wpd*sizeof(unsigned int));

len = LEN(p);

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

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

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

bzero(t,l*sizeof(unsigned int));

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

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

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

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

return t;

}

int nd_get_exporigin(struct order_spec *ord)

{

switch ( nd_ord->id ) {

case 0:

return 1;

case 1:

/* block order */

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

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

case 2:

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

}

void nd_setup_parameters() {

int i;

int i,n,elen;

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

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

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 2664 void nd_setup_parameters() {

Line 2547 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_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;

int i,obpe,oadv,h;

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;

if ( obpe < 4 )

oepos = nd_epos;

nd_bpe = 4;

if ( obpe < 4 ) nd_bpe = 4;

else if ( obpe < 6 )

else if ( obpe < 6 ) nd_bpe = 6;

nd_bpe = 6;

else if ( obpe < 8 ) nd_bpe = 8;

else if ( obpe < 8 )

else if ( obpe < 16 ) nd_bpe = 16;

nd_bpe = 8;

else if ( obpe < 32 ) nd_bpe = 32;

else if ( obpe < 16 )

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

nd_bpe = 16;

else if ( obpe < 32 )

nd_bpe = 32;

else

error("nd_reconstruct : exponent too large");

nd_setup_parameters();

prev_nm_free_list = _nm_free_list;

Line 2697 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2576 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

_nm_free_list = 0;

_ndp_free_list = 0;

if ( mod != 0 )

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

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

ndv_realloc(nd_ps[i],obpe,oadv);

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_psq[i],obpe,oadv);

s0 = 0;

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

NEXTND_pairs(s0,s);

s->i1 = t->i1;

s->i2 = t->i2;

TD(s) = TD(t);

SG(s) = SG(t);

ndl_dup(obpe,t->lcm,s->lcm);

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

}

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

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

for ( mr0 = 0, r = nd_red[i]; r; r = NEXT(r) ) {

old_red[i] = nd_red[i];

NEXTRHist(mr0,mr);

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);

TD(mr) = TD(r);

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

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

h = ndl_hash_value(DL(mr));

NEXT(mr) = nd_red[h];

nd_red[h] = mr;

}

if ( mr0 ) NEXT(mr) = 0;

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

nd_red[i] = mr0;

old_red = 0;

}

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

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

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

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

nd_psh[i] = r;

}

if ( s0 ) NEXT(s) = 0;

Line 2736 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2619 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;

int i,obpe,oadv,h;

unsigned int **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;

if ( obpe < 4 )

oepos = nd_epos;

nd_bpe = 4;

if ( obpe < 4 ) nd_bpe = 4;

else if ( obpe < 6 )

else if ( obpe < 6 ) nd_bpe = 6;

nd_bpe = 6;

else if ( obpe < 8 ) nd_bpe = 8;

else if ( obpe < 8 )

else if ( obpe < 16 ) nd_bpe = 16;

nd_bpe = 8;

else if ( obpe < 32 ) nd_bpe = 32;

else if ( obpe < 16 )

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

nd_bpe = 16;

else if ( obpe < 32 )

nd_bpe = 32;

else

error("nd_reconstruct_direct : exponent too large");

nd_setup_parameters();

prev_nm_free_list = _nm_free_list;

prev_ndp_free_list = _ndp_free_list;

_nm_free_list = 0;

_nm_free_list = 0; _ndp_free_list = 0;

_ndp_free_list = 0;

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

if ( mod != 0 )

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

ndv_realloc(ps[i],obpe,oadv);

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

for ( mr0 = 0, r = nd_red[i]; r; r = NEXT(r) ) {

NEXTRHist(mr0,mr);

mr->index = r->index;

SG(mr) = SG(r);

TD(mr) = TD(r);

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

}

if ( mr0 ) NEXT(mr) = 0;

nd_red[i] = mr0;

}

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

{

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

int n,i,ei,oepw,omask0,j,s,ord_l,ord_o,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))

n = nd_nvar;

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

cepw = nd_epw;

omask0 = (1<<obpe)-1;

cbpe = nd_bpe;

TD(r) = TD(d);

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

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

r[i] = 0;

if ( nd_blockmask ) {

if ( is_rlex )

l = nd_blockmask->n;

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

op = nd_blockmask->order_pair;

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

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

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

r[i] = d[i];

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

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++ ) {

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

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

} else {

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

if ( nd_isrlex )

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

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

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

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

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

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

}

else

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

void nd_realloc(ND p,int obpe)

ei = GET_EXP_OLD(d,i);

{

PUT_EXP(r,i,ei);

NM m,mr,mr0;

}

if ( p ) {

m = BDY(p);

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

NEXTNM(mr0,mr);

CM(mr) = CM(m);

TD(mr) = TD(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-1)*sizeof(unsigned int);

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

NEXTNM(mr0,mr);

CM(mr) = CM(m);

TD(mr) = TD(m);

ndl_copy(DL(m),DL(mr));

}

NEXT(mr) = 0;

Line 2858 int nd_sp(int mod,ND_pairs p,ND *rp)

Line 2728 int nd_sp(int mod,ND_pairs p,ND *rp)

} else {

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

}

lcm = p->lcm;

lcm = LCM(p);

td = TD(p);

NEWNM(m);

CQ(m) = HCQ(p2);

TD(m) = td-HTD(p1); ndl_sub(lcm,HDL(p1),DL(m));

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

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

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

return 0;

t1 = ndv_mul_nm(mod,p1,m);

if ( mod )

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

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

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

else

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

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

TD(m) = td-HTD(p2); ndl_sub(lcm,HDL(p2),DL(m));

if ( ndl_check_bound2(p->i2,DL(m)) ) {

nd_free(t1);

return 0;

Line 2886 void ndv_mul_c(int mod,NDV p,int mul)

Line 2752 void ndv_mul_c(int mod,NDV p,int mul)

NMV m;

int c,c1,len,i;

if ( !p )

if ( !p ) return;

return;

len = LEN(p);

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

c1 = CM(m);

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

DMAR(c1,mul,0,mod,c);

CM(m) = c;

}

Line 2902 void ndv_mul_c_q(NDV p,Q mul)

Line 2765 void ndv_mul_c_q(NDV p,Q mul)

Q c;

int len,i;

if ( !p )

if ( !p ) return;

return;

len = LEN(p);

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

mulq(CQ(m),mul,&c); CQ(m) = c;

Line 2919 ND ndv_mul_nm(int mod,NDV p,NM m0)

Line 2781 ND ndv_mul_nm(int mod,NDV p,NM m0)

Q q;

ND r;

if ( !p )

if ( !p ) return 0;

return 0;

else {

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

d = DL(m0); td = TD(m0);

d = DL(m0);

len = LEN(p);

mr0 = 0;

td = TD(d);

if ( mod ) {

c = CM(m0);

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

Line 2933 ND ndv_mul_nm(int mod,NDV p,NM m0)

Line 2795 ND ndv_mul_nm(int mod,NDV p,NM m0)

c1 = CM(m);

DMAR(c1,c,0,mod,c2);

CM(mr) = c2;

TD(mr) = TD(m)+td;

ndl_add(DL(m),d,DL(mr));

}

} else {

Line 2941 ND ndv_mul_nm(int mod,NDV p,NM m0)

Line 2802 ND ndv_mul_nm(int mod,NDV p,NM m0)

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

NEXTNM(mr0,mr);

mulq(CQ(m),q,&CQ(mr));

TD(mr) = TD(m)+td;

ndl_add(DL(m),d,DL(mr));

}

NEXT(mr) = 0;

MKND(NV(p),mr0,len,r);

SG(r) = SG(p) + td;

SG(r) = SG(p) + TD(d);

return r;

}

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;

Line 2962 void ndv_realloc(NDV p,int obpe,int oadv)

Line 2822 void ndv_realloc(NDV p,int obpe,int oadv)

if ( p ) {

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

if ( nmv_adv > oadv )

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

mr0 = (NMV)REALLOC(BDY(p),len*nmv_adv);

else

mr0 = 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);

TD(t) = TD(m);

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

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

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

CQ(mr) = CQ(t);

TD(mr) = TD(t);

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

}

BDY(p) = mr0;

Line 2989 NDV ndtondv(int mod,ND p)

Line 2844 NDV ndtondv(int mod,ND p)

NM t;

int i,len;

if ( !p )

if ( !p ) return 0;

return 0;

len = LEN(p);

if ( mod )

m0 = m = (NMV)(mod?MALLOC_ATOMIC(len*nmv_adv):MALLOC(len*nmv_adv));

m0 = m = (NMV)MALLOC_ATOMIC(len*nmv_adv);

else

m0 = m = (NMV)MALLOC(len*nmv_adv);

for ( t = BDY(p), i = 0; t; t = NEXT(t), i++, NMV_ADV(m) ) {

TD(m) = TD(t);

ndl_copy(DL(t),DL(m));

CQ(m) = CQ(t);

}

Line 3013 ND ndvtond(int mod,NDV p)

Line 2863 ND ndvtond(int mod,NDV p)

NMV t;

int i,len;

if ( !p )

if ( !p ) return 0;

return 0;

m0 = 0;

len = p->len;

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

NEXTNM(m0,m);

TD(m) = TD(t);

ndl_copy(DL(t),DL(m));

CQ(m) = CQ(t);

}

Line 3037 NDV dptondv(int mod,DP p)

Line 2885 NDV dptondv(int mod,DP p)

DP q;

int l,i,n;

if ( !p )

return 0;

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

if ( mod ) {

_dp_mod(p,mod,0,&q); p = q;

}

if ( !p ) return 0;

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

if ( mod )

m0 = m = (NMV)MALLOC_ATOMIC(l*nmv_adv);

} else

else

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) ) {

for ( t = BDY(p); t; t = NEXT(t), NMV_ADV(m) ) {

if ( mod )

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

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

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

else

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

TD(m) = TD(DL(t));

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

}

MKNDV(n,m0,l,d);

Line 3066 DP ndvtodp(int mod,NDV p)

Line 2912 DP ndvtodp(int mod,NDV p)

NMV t;

int len,i,n;

if ( !p )

if ( !p ) return 0;

return 0;

m0 = 0;

len = LEN(p);

n = NV(p);

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

NEXTMP(m0,m);

if ( mod )

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

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

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

else

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

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

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

}

NEXT(m) = 0;

MKDP(NV(p),m0,d);

Line 3090 void ndv_print(NDV p)

Line 2933 void ndv_print(NDV p)

NMV m;

int i,len;

if ( !p )

if ( !p ) printf("0\n");

printf("0\n");

else {

len = LEN(p);

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

Line 3107 void ndv_print_q(NDV p)

Line 2949 void ndv_print_q(NDV p)

NMV m;

int i,len;

if ( !p )

if ( !p ) printf("0\n");

printf("0\n");

else {

len = LEN(p);

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

Line 3121 void ndv_print_q(NDV p)

Line 2962 void ndv_print_q(NDV p)

}

int nd_equal(ND a,ND b)

{

NM ma,mb;

if ( (!a && b)||(a&& !b)||(NV(a) != NV(b))||(SG(a) != SG(b)) ) return 0;

for ( ma = BDY(a), mb = BDY(b); ma && mb; ma = NEXT(ma), mb = NEXT(mb) ) {

if ( (TD(ma) != TD(mb)) || !ndl_equal(DL(ma),DL(mb)) ) return 0;

}

if ( !ma && !mb ) return 1;

else return 0;

}

NODE nd_reducebase(NODE x)

{

int len,i,j;

Line 3154 NODE nd_reducebase(NODE x)

Line 2983 NODE nd_reducebase(NODE x)

}

NEXT(t) = 0; x = t0;

return x;

}

/* XXX incomplete */

void nd_init_ord(struct order_spec *ord)

{

switch ( ord->id ) {

case 0:

switch ( ord->ord.simple ) {

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;

default:

error("nd_gr : unsupported order");

}

break;

case 1:

/* XXX */

nd_dcomp = -1;

nd_isrlex = 0;

ndl_compare_function = ndl_block_compare;

break;

case 2:

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

break;

}

nd_ord = ord;

}

BlockMask nd_create_blockmask(struct order_spec *ord)

{

int n,i,j,s,l;

unsigned int *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 = (unsigned int **)MALLOC(n*sizeof(unsigned int *));

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

bm->mask[i] = t

= (unsigned int *)MALLOC_ATOMIC(nd_wpd*sizeof(unsigned int));

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;

}

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