glibc/sysdeps/generic/math-tests.h
Thomas Schwinge 572676160d New <math.h> macro named issignaling to check for a signaling NaN (sNaN).
It is based on draft TS 18661 and currently enabled as a GNU extension.
2013-04-02 13:51:02 +02:00

43 lines
1.6 KiB
C

/* Configuration for math tests. Generic version.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* Indicate whether to run tests involving sNaN values for the float, double,
and long double C data types, respectively. All are run unless
overridden. */
#ifndef SNAN_TESTS_float
# define SNAN_TESTS_float 1
#endif
#ifndef SNAN_TESTS_double
# define SNAN_TESTS_double 1
#endif
#ifndef SNAN_TESTS_long_double
# define SNAN_TESTS_long_double 1
#endif
/* Return nonzero value if to run tests involving sNaN values for X. */
#define SNAN_TESTS(x) \
(sizeof (x) == sizeof (float) ? SNAN_TESTS_float \
: sizeof (x) == sizeof (double) ? SNAN_TESTS_double \
: SNAN_TESTS_long_double)
/* Indicate whether to run tests involving type casts of sNaN values. These
are run unless overridden. */
#ifndef SNAN_TESTS_TYPE_CAST
# define SNAN_TESTS_TYPE_CAST 1
#endif