view src/build-msvctools/math/isinff.c @ 3966:e1c46df42951

of-netcdf: update to 1.0.7 * src/of-netcdf.mk: update versuion, checksum * build_packages.m: update netcdf version * src/of-netcdf-1-cross-fixes.patch: removed file * dist-files.mk: removed of-netcdf-1-cross-fixes.patch
author John Donoghue <john.donoghue@ieee.org>
date Mon, 15 Jun 2015 20:50:52 -0400
parents f8299bb6c872
children
line wrap: on
line source

#define __STDC__ 1

#include <math.h>
#include <float.h>

int isinff (float x)
{
  int c = (_fpclass (x) & (_FPCLASS_PINF | _FPCLASS_NINF));

  return (c == _FPCLASS_PINF ? 1
          : c == _FPCLASS_NINF ? -1 : 0);
}