src/isnan.c


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/* $Header$ */

#include <math.h>

#include "cctk.h"

int CCTK_FCALL CCTK_FNAME(TAT_isnan) (const CCTK_REAL * restrict const x)
{
#ifdef HAVE_ISNAN
  return isnan(*x);
#else
  return 0;
#endif
}

int CCTK_FCALL CCTK_FNAME(TAT_isinf) (const CCTK_REAL * restrict const x)
{
#ifdef HAVE_ISINF
  return isinf(*x);
#else
  return 0;
#endif
}

int CCTK_FCALL CCTK_FNAME(TAT_finite) (const CCTK_REAL * restrict const x)
{
#ifdef HAVE_FINITE
  return finite(*x);
#else
  return 1;
#endif
}