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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 3571 of file tgb.cc.

3572 {
3573  assume (r == currRing);
3574  ring orig_ring = r;
3575  int pos;
3576  ring new_ring = rAssure_TDeg (orig_ring, pos);
3577  ideal s_h;
3578  if(orig_ring != new_ring)
3579  {
3580  rChangeCurrRing (new_ring);
3581  s_h = idrCopyR_NoSort (arg_I, orig_ring, new_ring);
3582  /*int i;
3583  for(i=0;i<IDELEMS(s_h);i++)
3584  {
3585  poly p=s_h->m[i];
3586  while(p)
3587  {
3588  p_Setm(p,new_ring);
3589  pIter(p);
3590  }
3591  } */
3592  }
3593  else
3594  {
3595  s_h = id_Copy (arg_I, orig_ring);
3596  }
3597  idTest (s_h);
3598 
3599  ideal s_result = do_t_rep_gb (new_ring, s_h, syz_comp, F4_mode, pos);
3600  ideal result;
3601  if(orig_ring != new_ring)
3602  {
3603  idTest (s_result);
3604  rChangeCurrRing (orig_ring);
3605  result = idrMoveR_NoSort (s_result, new_ring, orig_ring);
3606 
3607  idTest (result);
3608  //rChangeCurrRing(new_ring);
3609  rDelete(new_ring);
3610  //rChangeCurrRing(orig_ring);
3611  }
3612  else
3613  result = s_result;
3614  idTest (result);
3615  return result;
3616 }
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:389
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:261
ideal idrCopyR_NoSort(ideal id, ring src_r, ring dest_r)
Definition: prCopy.cc:205
ring rAssure_TDeg(ring r, int &pos)
Definition: ring.cc:4607
void rDelete(ring r)
unconditionally deletes fields in r
Definition: ring.cc:450
ideal do_t_rep_gb(ring, ideal arg_I, int syz_comp, BOOLEAN F4_mode, int deg_pos)
Definition: tgb.cc:3619