kc3-lang/gnulib/lib/isnanf-nolibm.h

• Show log

  Commit

• Hash : d60f3b0c
  Author :
  Date : 2011-01-01T20:17:23
  

  maint: update almost all copyright ranges to include 2011
  
  Run the new "make update-copyright" rule.
  

Download

• lib/isnanf-nolibm.h

• /* Test for NaN that does not need libm.
     Copyright (C) 2007-2011 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  
  #if HAVE_ISNANF_IN_LIBC
  /* Get declaration of isnan macro or (older) isnanf function.  */
  # include <math.h>
  # if __GNUC__ >= 4
     /* GCC 4.0 and newer provides three built-ins for isnan.  */
  #  undef isnanf
  #  define isnanf(x) __builtin_isnanf ((float)(x))
  # elif defined isnan
  #  undef isnanf
  #  define isnanf(x) isnan ((float)(x))
  # endif
  #else
  /* Test whether X is a NaN.  */
  # undef isnanf
  # define isnanf rpl_isnanf
  extern int isnanf (float x);
  #endif
  

Download