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/* Test fesetexcept.
Copyright (C) 2016-2023 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 <stdio.h>
#include <math-tests.h>
static int
test_fesetexcept (int exc, const char *exc_name)
{
int result = 0;
printf ("Testing %s\n", exc_name);
feclearexcept (FE_ALL_EXCEPT);
int ret = fesetexcept (exc);
if (ret == 0)
printf ("fesetexcept (%s) succeeded\n", exc_name);
else
{
printf ("fesetexcept (%s) failed\n", exc_name);
if (exc == 0 || EXCEPTION_TESTS (float))
{
puts ("failure of fesetexcept was unexpected");
result = 1;
}
else
puts ("failure of fesetexcept OK, skipping further tests");
return result;
}
ret = fetestexcept (FE_ALL_EXCEPT);
if (ret != exc)
{
printf ("raised exceptions %x, expected %x\n",
(unsigned int) ret, (unsigned int) exc);
result = 1;
}
ret = feraiseexcept (FE_ALL_EXCEPT);
if (ret != 0)
{
if (exc == 0 && !EXCEPTION_TESTS (float))
{
puts ("feraiseexcept (FE_ALL_EXCEPT) failed, skipping further tests");
return result;
}
puts ("feraiseexcept (FE_ALL_EXCEPT) unexpectedly failed");
result = 1;
}
ret = fesetexcept (exc);
if (ret != 0)
{
puts ("fesetexcept (second test) unexpectedly failed");
result = 1;
}
ret = fetestexcept (FE_ALL_EXCEPT);
if (ret != FE_ALL_EXCEPT)
{
printf ("raised exceptions (second test) %x, expected %x\n",
(unsigned int) ret, (unsigned int) FE_ALL_EXCEPT);
result = 1;
}
feclearexcept (FE_ALL_EXCEPT);
ret = feraiseexcept (FE_ALL_EXCEPT & ~exc);
if (ret != 0)
{
puts ("feraiseexcept (third test) unexpectedly failed");
result = 1;
}
ret = fesetexcept (exc);
if (ret != 0)
{
puts ("fesetexcept (third test) unexpectedly failed");
result = 1;
}
ret = fetestexcept (FE_ALL_EXCEPT);
if (ret != FE_ALL_EXCEPT)
{
printf ("raised exceptions (third test) %x, expected %x\n",
(unsigned int) ret, (unsigned int) FE_ALL_EXCEPT);
result = 1;
}
return result;
}
static int
do_test (void)
{
int result = 0;
result |= test_fesetexcept (0, "0");
result |= test_fesetexcept (FE_ALL_EXCEPT, "FE_ALL_EXCEPT");
#ifdef FE_DIVBYZERO
result |= test_fesetexcept (FE_DIVBYZERO, "FE_DIVBYZERO");
#endif
#ifdef FE_INEXACT
result |= test_fesetexcept (FE_INEXACT, "FE_INEXACT");
#endif
#ifdef FE_INVALID
result |= test_fesetexcept (FE_INVALID, "FE_INVALID");
#endif
#ifdef FE_OVERFLOW
result |= test_fesetexcept (FE_OVERFLOW, "FE_OVERFLOW");
#endif
#ifdef FE_UNDERFLOW
result |= test_fesetexcept (FE_UNDERFLOW, "FE_UNDERFLOW");
#endif
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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