glibc/math/test-math-isinff.cc

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/* Test for bug 19439.
Copyright (C) 2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Marek Polacek <polacek@redhat.com>, 2012.
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/>. */
#define _GNU_SOURCE 1
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
static int
do_test (void)
{
/* Verify that isinff, isinfl, isnanf, and isnanlf are defined
in the header under C++11 and can be called. Without the
header fix this test will not compile. */
if (isinff (1.0f)
|| !isinff (INFINITY)
#ifndef NO_LONG_DOUBLE
|| isinfl (1.0L)
|| !isinfl (INFINITY)
#endif
|| isnanf (2.0f)
|| !isnanf (NAN)
#ifndef NO_LONG_DOUBLE
|| isnanl (2.0L)
|| !isnanl (NAN)
#endif
)
{
printf ("FAIL: Failed to call is* functions.\n");
exit (1);
}
printf ("PASS: Able to call isinff, isinfl, isnanf, and isnanl.\n");
exit (0);
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"