ratgring.h

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#ifndef RATGRING_H
#define RATGRING_H
/****************************************
*  Computer Algebra System SINGULAR     *
****************************************/
/*
* ABSTRACT additional defines etc for --with-plural
*/
// #define HAVE_RATGRING to activate
 
#ifdef HAVE_RATGRING
#include "kernel/structs.h"
#include "polys/nc/nc.h"
#include "polys/monomials/p_polys.h"
 
/* MACROS */
 
/* the part, related to the interface */
 
/* ring nc_rCreateNCcomm(ring r); */
 
void pLcmRat(poly a, poly b, poly m, int rat_shift);
 
poly p_HeadRat(poly p, int ishift, ring r);
 
void p_ExpVectorDiffRat(poly pr, poly p1, poly p2, int ishift, ring r);
 
ideal ncGCD2(poly p, poly q, ring r); // real nc stuff
 
ideal ncGCD(poly p, poly q, ring r); // for p,q from a commutative ring
 
poly nc_rat_CreateSpoly(poly p1, poly p2, int ishift, ring r);
 
poly nc_rat_ReduceSpolyNew(poly p1, poly p2, int ishift, ring r);
 
 
/* poly functions defined in p_Procs : */
// poly nc_pp_Mult_mm(poly p, poly m, const ring r, poly &last);
// poly nc_p_Mult_mm(poly p, const poly m, const ring r);
// poly nc_p_Minus_mm_Mult_qq(poly p, const poly m, poly q, const ring r);
// poly nc_p_Minus_mm_Mult_qq_ign(poly p, const poly m, poly q, int & d1, poly d2, const ring ri, poly &d3);
 
/* other routines we need in addition : */
// poly nc_p_Mult_mm_Common(poly p, const poly m, int side, const ring r);
// poly nc_mm_Mult_p(const poly m, poly p, const ring r);
// poly nc_mm_Mult_nn (int *F, int *G, const ring r);
// poly nc_mm_Mult_uu (int *F,int jG,int bG, const ring r);
 
// /* subst: */
// poly nc_pSubst(poly p, int n, poly e);
 
// /* copy : */
// poly nc_p_CopyGet(poly a, const ring r);
// poly nc_p_CopyPut(poly a, const ring r);
 
// /* syzygies : */
// /* former nc_spGSpolyCreate */
// poly nc_CreateSpoly(poly p1, poly p2, poly spNoether, const ring r);
// /* former nc_spGSpolyRed */
// poly nc_ReduceSpoly(poly p1, poly p2, poly spNoether, const ring r);
// /* former nc_spGSpolyRedNew */
// poly nc_ReduceSpolyNew(poly p1, poly p2, poly spNoether, const ring r);
// /* former nc_spGSpolyRedTail */
// void nc_ReduceSpolyTail(poly p1, poly q, poly q2, poly spNoether, const ring r);
// /* former nc_spShort */
// poly nc_CreateShortSpoly(poly p1, poly p2, const ring r=currRing);
 
// ideal gr_bba (ideal F, ideal Q,kStrategy strat);
 
// /* brackets: */
// poly nc_p_Bracket_qq(poly p, poly q);
// poly nc_mm_Bracket_nn(poly m1, poly m2);
 
// /* twostd: */
// ideal twostd(ideal I);
// /* Ann: */
// ideal Approx_Step(ideal L);
 
// /* complete reduction routines */
 
// /* void nc_kBucketPolyRed(kBucket_pt b, poly p); */
// void nc_kBucketPolyRed(kBucket_pt b, poly p, number *c);
// void nc_kBucketPolyRed_Z(kBucket_pt b, poly p, number *c);
// void nc_PolyPolyRed(poly &b, poly p, number *c);
 
// matrix nc_PrintMat(int a, int b, ring r, int metric);
 
// poly p_CopyEmbed(poly p, ring srcRing, int shift, int par_shift);
// poly pOppose(ring Rop, poly p);
// ideal idOppose(ring Rop, ideal I);
 
// #else
// /* dummy definition to make gcc happy */
// #define nc_kBucketPolyRed(A,B,C) 0
// #define nc_PolyPolyRed(A,B,C) 0
 
// return: FALSE, if there exists i in ishift..r->N,
//                 such that a->exp[i] > b->exp[i]
//         TRUE, otherwise
BOOLEAN p_DivisibleByRat(poly a, poly b, int ishift, const ring r);
 
/*2
*reduces h with elements from reducer choosing the best possible
* element in t with respect to the given red_length
* arrays reducer and red_length are [0..(rl-1)]
*/
int redRat (poly* h,poly *reducer, int *red_length,int rl, int ishift, ring r);
 
// Content stuff
static inline void pContentRat(poly &ph, const ring r = currRing){ p_ContentRat(ph, r); } ;
 
BOOLEAN p_LmIsConstantRat(const poly p, const ring r);
 
BOOLEAN p_LmIsConstantCompRat(const poly p, const ring r);
 
#endif /* HAVE_PLURAL */
#endif