sysdeps/powerpc/math-tests.h

   1 /* Configuration for math tests.  PowerPC version.
   2    Copyright (C) 2013-2014 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 /* On PowerPC, in versions of GCC up to at least 4.7.2, a type cast -- which is
  20    a IEEE 754-2008 general-computational convertFormat operation (IEEE
  21    754-2008, 5.4.2) -- does not turn a sNaN into a qNaN (whilst raising an
  22    INVALID exception), which is contrary to IEEE 754-2008 5.1 and 7.2.  This
  23    renders certain tests infeasible in this scenario.
  24    <http://gcc.gnu.org/PR56828>.  */
  25 #define SNAN_TESTS_TYPE_CAST    0
  26
  27 #include_next <math-tests.h>