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130 lines
3.4 KiB
C
130 lines
3.4 KiB
C
/* Test fesetexcept.
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Copyright (C) 2016-2019 Free Software Foundation, Inc.
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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 <stdio.h>
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#include <math-tests.h>
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static int
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test_fesetexcept (int exc, const char *exc_name)
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{
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int result = 0;
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printf ("Testing %s\n", exc_name);
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feclearexcept (FE_ALL_EXCEPT);
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int ret = fesetexcept (exc);
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if (ret == 0)
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printf ("fesetexcept (%s) succeeded\n", exc_name);
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else
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{
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printf ("fesetexcept (%s) failed\n", exc_name);
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if (exc == 0 || EXCEPTION_TESTS (float))
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{
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puts ("failure of fesetexcept was unexpected");
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result = 1;
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}
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else
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puts ("failure of fesetexcept OK, skipping further tests");
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return result;
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}
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ret = fetestexcept (FE_ALL_EXCEPT);
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if (ret != exc)
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{
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printf ("raised exceptions %x, expected %x\n",
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(unsigned int) ret, (unsigned int) exc);
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result = 1;
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}
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ret = feraiseexcept (FE_ALL_EXCEPT);
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if (ret != 0)
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{
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if (exc == 0 && !EXCEPTION_TESTS (float))
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{
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puts ("feraiseexcept (FE_ALL_EXCEPT) failed, skipping further tests");
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return result;
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}
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puts ("feraiseexcept (FE_ALL_EXCEPT) unexpectedly failed");
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result = 1;
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}
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ret = fesetexcept (exc);
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if (ret != 0)
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{
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puts ("fesetexcept (second test) unexpectedly failed");
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result = 1;
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}
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ret = fetestexcept (FE_ALL_EXCEPT);
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if (ret != FE_ALL_EXCEPT)
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{
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printf ("raised exceptions (second test) %x, expected %x\n",
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(unsigned int) ret, (unsigned int) FE_ALL_EXCEPT);
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result = 1;
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}
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feclearexcept (FE_ALL_EXCEPT);
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ret = feraiseexcept (FE_ALL_EXCEPT & ~exc);
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if (ret != 0)
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{
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puts ("feraiseexcept (third test) unexpectedly failed");
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result = 1;
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}
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ret = fesetexcept (exc);
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if (ret != 0)
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{
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puts ("fesetexcept (third test) unexpectedly failed");
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result = 1;
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}
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ret = fetestexcept (FE_ALL_EXCEPT);
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if (ret != FE_ALL_EXCEPT)
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{
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printf ("raised exceptions (third test) %x, expected %x\n",
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(unsigned int) ret, (unsigned int) FE_ALL_EXCEPT);
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result = 1;
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}
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return result;
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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 result = 0;
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result |= test_fesetexcept (0, "0");
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result |= test_fesetexcept (FE_ALL_EXCEPT, "FE_ALL_EXCEPT");
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#ifdef FE_DIVBYZERO
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result |= test_fesetexcept (FE_DIVBYZERO, "FE_DIVBYZERO");
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#endif
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#ifdef FE_INEXACT
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result |= test_fesetexcept (FE_INEXACT, "FE_INEXACT");
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#endif
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#ifdef FE_INVALID
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result |= test_fesetexcept (FE_INVALID, "FE_INVALID");
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#endif
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#ifdef FE_OVERFLOW
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result |= test_fesetexcept (FE_OVERFLOW, "FE_OVERFLOW");
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#endif
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#ifdef FE_UNDERFLOW
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result |= test_fesetexcept (FE_UNDERFLOW, "FE_UNDERFLOW");
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#endif
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return result;
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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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