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authorBruno Haible <bruno@clisp.org>2012-02-26 17:27:47 +0100
committerBruno Haible <bruno@clisp.org>2012-02-26 17:27:47 +0100
commit27195c583664906bb3a897194e97cc28f76515fc (patch)
tree8d97254b76817bdb0f08061d1c887e729196b3b9 /tests/test-fabs-ieee.h
parent410b562e070cfdd12edec477f44d9acc2a402475 (diff)
downloadgnulib-27195c583664906bb3a897194e97cc28f76515fc.tar.gz
Tests for module 'fabsf-ieee'.
* modules/fabsf-ieee-tests: New file. * tests/test-fabsf-ieee.c: New file. * tests/test-fabs-ieee.h: New file.
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diff --git a/tests/test-fabs-ieee.h b/tests/test-fabs-ieee.h
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+/* Test of ldexp*() function family.
+ Copyright (C) 2012 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 <http://www.gnu.org/licenses/>. */
+
+static void
+test_function (void)
+{
+ /* [MX] shaded specification in POSIX. */
+
+ /* NaN. */
+ ASSERT (ISNAN (FABS (NAN)));
+
+ /* Signed zero. */
+ {
+ DOUBLE y = FABS (L_(0.0));
+ ASSERT (y == L_(0.0));
+ ASSERT (!signbit (y));
+ }
+ {
+ DOUBLE y = FABS (MINUS_ZERO);
+ ASSERT (y == L_(0.0));
+ ASSERT (!signbit (y));
+ }
+
+ /* Infinity. */
+ ASSERT (FABS (INFINITY) == INFINITY);
+ ASSERT (FABS (- INFINITY) == INFINITY);
+}