mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/* Test nearbyint functions do not clear exceptions (bug 15491).
|
|
Copyright (C) 2015-2020 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <fenv.h>
|
|
#include <math.h>
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
|
|
#include <math-tests.h>
|
|
|
|
#ifndef FE_INVALID
|
|
# define FE_INVALID 0
|
|
#endif
|
|
|
|
static bool any_supported = false;
|
|
|
|
#define TEST_FUNC(NAME, FLOAT, SUFFIX) \
|
|
static int \
|
|
NAME (void) \
|
|
{ \
|
|
int result = 0; \
|
|
if (!EXCEPTION_TESTS (FLOAT)) \
|
|
return 0; \
|
|
any_supported = true; \
|
|
volatile FLOAT a, b __attribute__ ((unused)); \
|
|
a = 1.0; \
|
|
/* nearbyint must not clear already-raised exceptions. */ \
|
|
feraiseexcept (FE_ALL_EXCEPT); \
|
|
b = nearbyint ## SUFFIX (a); \
|
|
if (fetestexcept (FE_ALL_EXCEPT) == FE_ALL_EXCEPT) \
|
|
puts ("PASS: " #FLOAT); \
|
|
else \
|
|
{ \
|
|
puts ("FAIL: " #FLOAT); \
|
|
result = 1; \
|
|
} \
|
|
/* But it mustn't lose exceptions from sNaN arguments. */ \
|
|
if (SNAN_TESTS (FLOAT)) \
|
|
{ \
|
|
static volatile FLOAT snan = __builtin_nans ## SUFFIX (""); \
|
|
volatile FLOAT c __attribute__ ((unused)); \
|
|
feclearexcept (FE_ALL_EXCEPT); \
|
|
c = nearbyint ## SUFFIX (snan); \
|
|
if (fetestexcept (FE_INVALID) == FE_INVALID) \
|
|
puts ("PASS: " #FLOAT " sNaN"); \
|
|
else \
|
|
{ \
|
|
puts ("FAIL: " #FLOAT " sNaN"); \
|
|
result = 1; \
|
|
} \
|
|
} \
|
|
return result; \
|
|
}
|
|
|
|
TEST_FUNC (float_test, float, f)
|
|
TEST_FUNC (double_test, double, )
|
|
TEST_FUNC (ldouble_test, long double, l)
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
int result = float_test ();
|
|
result |= double_test ();
|
|
result |= ldouble_test ();
|
|
if (!any_supported)
|
|
return 77;
|
|
return result;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|