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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
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.
Diffstat (limited to 'tests')
-rw-r--r--tests/test-fabs-ieee.h40
-rw-r--r--tests/test-fabsf-ieee.c45
2 files changed, 85 insertions, 0 deletions
diff --git a/tests/test-fabs-ieee.h b/tests/test-fabs-ieee.h
new file mode 100644
index 0000000000..62f32c1c92
--- /dev/null
+++ b/tests/test-fabs-ieee.h
@@ -0,0 +1,40 @@
+/* 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);
+}
diff --git a/tests/test-fabsf-ieee.c b/tests/test-fabsf-ieee.c
new file mode 100644
index 0000000000..8cb852b2a2
--- /dev/null
+++ b/tests/test-fabsf-ieee.c
@@ -0,0 +1,45 @@
+/* Test of fabsf() function.
+ 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/>. */
+
+#include <config.h>
+
+#include <math.h>
+
+#include "isnanf-nolibm.h"
+#include "minus-zero.h"
+#include "infinity.h"
+#include "nan.h"
+#include "macros.h"
+
+#undef INFINITY
+#undef NAN
+
+#define DOUBLE float
+#define ISNAN isnanf
+#define INFINITY Infinityf ()
+#define NAN NaNf ()
+#define L_(literal) literal##f
+#define MINUS_ZERO minus_zerof
+#define FABS fabsf
+#include "test-fabs-ieee.h"
+
+int
+main ()
+{
+ test_function ();
+
+ return 0;
+}