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tgb.h File Reference
#include "polys/monomials/ring.h"
#include "kernel/structs.h"

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Functions

ideal t_rep_gb (const ring r, ideal arg_I, int syz_comp, BOOLEAN F4_mode=FALSE)
 

Function Documentation

◆ t_rep_gb()

ideal t_rep_gb ( const ring  r,
ideal  arg_I,
int  syz_comp,
BOOLEAN  F4_mode = FALSE 
)

Definition at line 3602 of file tgb.cc.

3603{
3604 assume (r == currRing);
3605 ring orig_ring = r;
3606 int pos;
3607 ring new_ring = rAssure_TDeg (orig_ring, pos);
3608 ideal s_h;
3609 if(orig_ring != new_ring)
3610 {
3611 rChangeCurrRing (new_ring);
3612 s_h = idrCopyR_NoSort (arg_I, orig_ring, new_ring);
3613 /*int i;
3614 for(i=0;i<IDELEMS(s_h);i++)
3615 {
3616 poly p=s_h->m[i];
3617 while(p)
3618 {
3619 p_Setm(p,new_ring);
3620 pIter(p);
3621 }
3622 } */
3623 }
3624 else
3625 {
3626 s_h = id_Copy (arg_I, orig_ring);
3627 }
3628 idTest (s_h);
3629
3630 ideal s_result = do_t_rep_gb (new_ring, s_h, syz_comp, F4_mode, pos);
3631 ideal result;
3632 if(orig_ring != new_ring)
3633 {
3634 idTest (s_result);
3635 rChangeCurrRing (orig_ring);
3636 result = idrMoveR_NoSort (s_result, new_ring, orig_ring);
3637
3638 idTest (result);
3639 //rChangeCurrRing(new_ring);
3640 rDelete(new_ring);
3641 //rChangeCurrRing(orig_ring);
3642 }
3643 else
3644 result = s_result;
3645 idTest (result);
3646 return result;
3647}
return result
Definition: facAbsBiFact.cc:75
ideal id_Copy(ideal h1, const ring r)
copy an ideal
#define idTest(id)
Definition: ideals.h:47
#define assume(x)
Definition: mod2.h:387
void rChangeCurrRing(ring r)
Definition: polys.cc:15
VAR ring currRing
Widely used global variable which specifies the current polynomial ring for Singular interpreter and ...
Definition: polys.cc:13
ideal idrMoveR_NoSort(ideal &id, ring src_r, ring dest_r)
Definition: prCopy.cc:260
ideal idrCopyR_NoSort(ideal id, ring src_r, ring dest_r)
Definition: prCopy.cc:204
ring rAssure_TDeg(ring r, int &pos)
Definition: ring.cc:4501
void rDelete(ring r)
unconditionally deletes fields in r
Definition: ring.cc:449
ideal do_t_rep_gb(ring, ideal arg_I, int syz_comp, BOOLEAN F4_mode, int deg_pos)
Definition: tgb.cc:3650