2013-11-19 14:39:56 +01:00
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/* Test floating-point environment is thread-local.
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2016-01-04 17:05:18 +01:00
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Copyright (C) 2013-2016 Free Software Foundation, Inc.
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2013-11-19 14:39:56 +01:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <fenv.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdint.h>
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#define TEST_ONE_RM(RM) \
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do \
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{ \
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if (fesetround (RM) == 0) \
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{ \
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rm = fegetround (); \
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if (rm != RM) \
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{ \
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printf ("expected " #RM ", got %d\n", rm); \
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ret = 1; \
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} \
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} \
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} \
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while (0)
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static void *
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test_round (void *arg)
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{
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intptr_t ret = 0;
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for (int i = 0; i < 10000; i++)
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{
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int rm;
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#ifdef FE_DOWNWARD
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TEST_ONE_RM (FE_DOWNWARD);
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#endif
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#ifdef FE_TONEAREST
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TEST_ONE_RM (FE_TONEAREST);
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#endif
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#ifdef FE_TOWARDZERO
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TEST_ONE_RM (FE_TOWARDZERO);
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#endif
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#ifdef FE_UPWARD
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TEST_ONE_RM (FE_UPWARD);
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#endif
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}
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return (void *) ret;
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}
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#define TEST_ONE_RAISE(EX) \
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do \
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{ \
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if (feraiseexcept (EX) == 0) \
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if (fetestexcept (EX) != EX) \
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{ \
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printf (#EX " not raised\n"); \
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ret = 1; \
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} \
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if (feclearexcept (FE_ALL_EXCEPT) == 0) \
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if (fetestexcept (FE_ALL_EXCEPT) != 0) \
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{ \
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printf ("exceptions not all cleared\n"); \
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ret = 1; \
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} \
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} \
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while (0)
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static void *
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test_raise (void *arg)
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{
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intptr_t ret = 0;
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for (int i = 0; i < 10000; i++)
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{
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#ifdef FE_DIVBYZERO
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TEST_ONE_RAISE (FE_DIVBYZERO);
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#endif
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#ifdef FE_INEXACT
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TEST_ONE_RAISE (FE_INEXACT);
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#endif
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#ifdef FE_INVALID
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TEST_ONE_RAISE (FE_INVALID);
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#endif
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#ifdef FE_OVERFLOW
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TEST_ONE_RAISE (FE_OVERFLOW);
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#endif
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#ifdef UNDERFLOW
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TEST_ONE_RAISE (FE_UNDERFLOW);
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#endif
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}
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return (void *) ret;
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}
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#define TEST_ONE_ENABLE(EX) \
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do \
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{ \
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if (feenableexcept (EX) != -1) \
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if (fegetexcept () != EX) \
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{ \
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printf (#EX " not enabled\n"); \
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ret = 1; \
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} \
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if (fedisableexcept (EX) != -1) \
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if (fegetexcept () != 0) \
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{ \
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printf ("exceptions not all disabled\n"); \
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ret = 1; \
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} \
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} \
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while (0)
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static void *
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test_enable (void *arg)
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{
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intptr_t ret = 0;
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for (int i = 0; i < 10000; i++)
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{
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#ifdef FE_DIVBYZERO
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TEST_ONE_ENABLE (FE_DIVBYZERO);
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#endif
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#ifdef FE_INEXACT
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TEST_ONE_ENABLE (FE_INEXACT);
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#endif
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#ifdef FE_INVALID
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TEST_ONE_ENABLE (FE_INVALID);
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#endif
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#ifdef FE_OVERFLOW
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TEST_ONE_ENABLE (FE_OVERFLOW);
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#endif
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#ifdef UNDERFLOW
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TEST_ONE_ENABLE (FE_UNDERFLOW);
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#endif
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}
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return (void *) ret;
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}
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static int
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do_test (void)
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{
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int ret = 0;
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void *vret;
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pthread_t thread_id;
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int pret;
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pret = pthread_create (&thread_id, NULL, test_round, NULL);
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if (pret != 0)
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{
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printf ("pthread_create failed: %d\n", pret);
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return 1;
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}
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vret = test_round (NULL);
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ret |= (intptr_t) vret;
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pret = pthread_join (thread_id, &vret);
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if (pret != 0)
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{
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printf ("pthread_join failed: %d\n", pret);
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return 1;
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}
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ret |= (intptr_t) vret;
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pret = pthread_create (&thread_id, NULL, test_raise, NULL);
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if (pret != 0)
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{
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printf ("pthread_create failed: %d\n", pret);
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return 1;
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}
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vret = test_raise (NULL);
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ret |= (intptr_t) vret;
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pret = pthread_join (thread_id, &vret);
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if (pret != 0)
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{
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printf ("pthread_join failed: %d\n", pret);
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return 1;
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}
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ret |= (intptr_t) vret;
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pret = pthread_create (&thread_id, NULL, test_enable, NULL);
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if (pret != 0)
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{
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printf ("pthread_create failed: %d\n", pret);
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return 1;
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}
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vret = test_enable (NULL);
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ret |= (intptr_t) vret;
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pret = pthread_join (thread_id, &vret);
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if (pret != 0)
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{
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printf ("pthread_join failed: %d\n", pret);
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return 1;
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}
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ret |= (intptr_t) vret;
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return ret;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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