soft-fp/unordtf2.c

   1 /* Software floating-point emulation.
   2    Return 1 iff a or b is a NaN, 0 otherwise.
   3    Copyright (C) 2006 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5    Contributed by Joseph Myers (joseph@codesourcery.com).
   6
   7    The GNU C Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Lesser General Public
   9    License as published by the Free Software Foundation; either
  10    version 2.1 of the License, or (at your option) any later version.
  11
  12    The GNU C Library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Lesser General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public
  18    License along with the GNU C Library; if not, write to the Free
  19    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  20    02111-1307 USA.  */
  21
  22 #include "soft-fp.h"
  23 #include "quad.h"
  24
  25 int
  26 __unordtf2(long double a, long double b)
  27 {
  28   FP_DECL_Q(A);
  29   FP_DECL_Q(B);
  30   int r;
  31
  32   FP_UNPACK_RAW_Q(A, a);
  33   FP_UNPACK_RAW_Q(B, b);
  34   FP_CMP_UNORD_Q(r, A, B);
  35
  36   return r;
  37 }