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/* Test floating-point environment is thread-local.
Copyright (C) 2013-2021 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 <pthread.h>
#include <stdio.h>
#include <stdint.h>
#define TEST_ONE_RM(RM) \
do \
{ \
if (fesetround (RM) == 0) \
{ \
rm = fegetround (); \
if (rm != RM) \
{ \
printf ("expected " #RM ", got %d\n", rm); \
ret = 1; \
} \
} \
} \
while (0)
static void *
test_round (void *arg)
{
intptr_t ret = 0;
for (int i = 0; i < 10000; i++)
{
int rm;
#ifdef FE_DOWNWARD
TEST_ONE_RM (FE_DOWNWARD);
#endif
#ifdef FE_TONEAREST
TEST_ONE_RM (FE_TONEAREST);
#endif
#ifdef FE_TOWARDZERO
TEST_ONE_RM (FE_TOWARDZERO);
#endif
#ifdef FE_UPWARD
TEST_ONE_RM (FE_UPWARD);
#endif
}
return (void *) ret;
}
#define TEST_ONE_RAISE(EX) \
do \
{ \
if (feraiseexcept (EX) == 0) \
if (fetestexcept (EX) != EX) \
{ \
printf (#EX " not raised\n"); \
ret = 1; \
} \
if (feclearexcept (FE_ALL_EXCEPT) == 0) \
if (fetestexcept (FE_ALL_EXCEPT) != 0) \
{ \
printf ("exceptions not all cleared\n"); \
ret = 1; \
} \
} \
while (0)
static void *
test_raise (void *arg)
{
intptr_t ret = 0;
for (int i = 0; i < 10000; i++)
{
#ifdef FE_DIVBYZERO
TEST_ONE_RAISE (FE_DIVBYZERO);
#endif
#ifdef FE_INEXACT
TEST_ONE_RAISE (FE_INEXACT);
#endif
#ifdef FE_INVALID
TEST_ONE_RAISE (FE_INVALID);
#endif
#ifdef FE_OVERFLOW
TEST_ONE_RAISE (FE_OVERFLOW);
#endif
#ifdef UNDERFLOW
TEST_ONE_RAISE (FE_UNDERFLOW);
#endif
}
return (void *) ret;
}
#define TEST_ONE_ENABLE(EX) \
do \
{ \
if (feenableexcept (EX) != -1) \
if (fegetexcept () != EX) \
{ \
printf (#EX " not enabled\n"); \
ret = 1; \
} \
if (fedisableexcept (EX) != -1) \
if (fegetexcept () != 0) \
{ \
printf ("exceptions not all disabled\n"); \
ret = 1; \
} \
} \
while (0)
static void *
test_enable (void *arg)
{
intptr_t ret = 0;
for (int i = 0; i < 10000; i++)
{
#ifdef FE_DIVBYZERO
TEST_ONE_ENABLE (FE_DIVBYZERO);
#endif
#ifdef FE_INEXACT
TEST_ONE_ENABLE (FE_INEXACT);
#endif
#ifdef FE_INVALID
TEST_ONE_ENABLE (FE_INVALID);
#endif
#ifdef FE_OVERFLOW
TEST_ONE_ENABLE (FE_OVERFLOW);
#endif
#ifdef UNDERFLOW
TEST_ONE_ENABLE (FE_UNDERFLOW);
#endif
}
return (void *) ret;
}
static int
do_test (void)
{
int ret = 0;
void *vret;
pthread_t thread_id;
int pret;
pret = pthread_create (&thread_id, NULL, test_round, NULL);
if (pret != 0)
{
printf ("pthread_create failed: %d\n", pret);
return 1;
}
vret = test_round (NULL);
ret |= (intptr_t) vret;
pret = pthread_join (thread_id, &vret);
if (pret != 0)
{
printf ("pthread_join failed: %d\n", pret);
return 1;
}
ret |= (intptr_t) vret;
pret = pthread_create (&thread_id, NULL, test_raise, NULL);
if (pret != 0)
{
printf ("pthread_create failed: %d\n", pret);
return 1;
}
vret = test_raise (NULL);
ret |= (intptr_t) vret;
pret = pthread_join (thread_id, &vret);
if (pret != 0)
{
printf ("pthread_join failed: %d\n", pret);
return 1;
}
ret |= (intptr_t) vret;
pret = pthread_create (&thread_id, NULL, test_enable, NULL);
if (pret != 0)
{
printf ("pthread_create failed: %d\n", pret);
return 1;
}
vret = test_enable (NULL);
ret |= (intptr_t) vret;
pret = pthread_join (thread_id, &vret);
if (pret != 0)
{
printf ("pthread_join failed: %d\n", pret);
return 1;
}
ret |= (intptr_t) vret;
return ret;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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