tgb.h File Reference

#include "polys/monomials/ring.h"
#include "kernel/structs.h"

Go to the source code of this file.

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.

{
  assume (r == currRing);
  ring orig_ring = r;
  int pos;
  ring new_ring = rAssure_TDeg (orig_ring, pos);
  ideal s_h;
  if(orig_ring != new_ring)
  {
    rChangeCurrRing (new_ring);
    s_h = idrCopyR_NoSort (arg_I, orig_ring, new_ring);
    /*int i;
       for(i=0;i<IDELEMS(s_h);i++)
       {
       poly p=s_h->m[i];
       while(p)
       {
       p_Setm(p,new_ring);
       pIter(p);
       }
       } */
  }
  else
  {
    s_h = id_Copy (arg_I, orig_ring);
  }
  idTest (s_h);
 
  ideal s_result = do_t_rep_gb (new_ring, s_h, syz_comp, F4_mode, pos);
  ideal result;
  if(orig_ring != new_ring)
  {
    idTest (s_result);
    rChangeCurrRing (orig_ring);
    result = idrMoveR_NoSort (s_result, new_ring, orig_ring);
 
    idTest (result);
    //rChangeCurrRing(new_ring);
    rDelete(new_ring);
    //rChangeCurrRing(orig_ring);
  }
  else
    result = s_result;
  idTest (result);
  return result;
}