singularWishlist.h File Reference

#include <polys/monomials/p_polys.h>

Go to the source code of this file.

Functions
static BOOLEAN	_p_LeadmonomDivisibleByNoComp (poly a, poly b, const ring r)
static BOOLEAN	p_LeadmonomDivisibleBy (poly a, poly b, const ring r)
	p_LmDivisibleBy checks also the divisibility of coefficients More...
void	idShallowDelete (ideal *h)
	id_ShallowDelete deletes the monomials of the polynomials stored inside of it More...

Function Documentation

static BOOLEAN _p_LeadmonomDivisibleByNoComp ( poly  a, poly  b, const ring  r  )

inlinestatic

Definition at line 16 of file singularWishlist.h.

{
  int i=r->VarL_Size - 1;
  unsigned long divmask = r->divmask;
  unsigned long la, lb;

  if (r->VarL_LowIndex >= 0)
  {
    i += r->VarL_LowIndex;
    do
    {
      la = a->exp[i];
      lb = b->exp[i];
      if ((la > lb) ||
          (((la & divmask) ^ (lb & divmask)) != ((lb - la) & divmask)))
      {
        pDivAssume(p_DebugLmDivisibleByNoComp(a, b, r) == FALSE);
        return FALSE;
      }
      i--;
    }
    while (i>=r->VarL_LowIndex);
  }
  else
  {
    do
    {
      la = a->exp[r->VarL_Offset[i]];
      lb = b->exp[r->VarL_Offset[i]];
      if ((la > lb) ||
          (((la & divmask) ^ (lb & divmask)) != ((lb - la) & divmask)))
      {
        pDivAssume(p_DebugLmDivisibleByNoComp(a, b, r) == FALSE);
        return FALSE;
      }
      i--;
    }
    while (i>=0);
  }
  pDivAssume(p_DebugLmDivisibleByNoComp(a, b, r) == TRUE);
  return TRUE;
}

void idShallowDelete ( ideal *  h )

inline

id_ShallowDelete deletes the monomials of the polynomials stored inside of it

Definition at line 75 of file singularWishlist.h.

{
  if (*h != NULL)
  {
    int k;
    k=(*h)->nrows*(*h)->ncols;
    if (k>0)
      omFreeSize((ADDRESS)((*h)->m),sizeof(poly)*k);
    omFreeBin((ADDRESS)*h, sip_sideal_bin);
    *h=NULL;
  }
  return;
}

static BOOLEAN p_LeadmonomDivisibleBy ( poly  a, poly  b, const ring  r  )

inlinestatic

p_LmDivisibleBy checks also the divisibility of coefficients

Definition at line 62 of file singularWishlist.h.

{
  p_LmCheckPolyRing1(b, r);

  pIfThen1(a != NULL, p_LmCheckPolyRing1(b, r));
  if (p_GetComp(a, r) == 0 || p_GetComp(a,r) == p_GetComp(b,r))
    return _p_LeadmonomDivisibleByNoComp(a, b, r);
  return FALSE;
}