Mercurial > gnulib
view tests/test-exp-ieee.h @ 40158:383f7a766b7c
test-framework-sh: Improve maintainability.
* tests/init.sh: Clarify what belongs together. Reorder definitions.
author | Bruno Haible <bruno@clisp.org> |
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date | Sun, 27 Jan 2019 16:55:27 +0100 |
parents | b06060465f09 |
children |
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/* Test of exp*() function family. Copyright (C) 2012-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ static void test_function (void) { /* [MX] shaded specification in POSIX. */ /* Underflow. */ { DOUBLE z = EXP (-100000.0); ASSERT (z == L_(0.0)); ASSERT (!signbit (z)); } /* NaN. */ ASSERT (ISNAN (EXP (NAN))); /* Zero. */ ASSERT (EXP (L_(0.0)) == L_(1.0)); ASSERT (EXP (MINUS_ZERO) == L_(1.0)); /* Infinity. */ { DOUBLE z = EXP (- INFINITY); ASSERT (z == L_(0.0)); ASSERT (!signbit (z)); } ASSERT (EXP (INFINITY) == INFINITY); }