--- /dev/null
+/* Test of fmod*() 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 (FMOD (NAN, L_(2.0))));
+ ASSERT (ISNAN (FMOD (NAN, L_(0.0))));
+ ASSERT (ISNAN (FMOD (L_(2.0), NAN)));
+ ASSERT (ISNAN (FMOD (L_(0.0), NAN)));
+ ASSERT (ISNAN (FMOD (NAN, NAN)));
+
+ /* y is zero. */
+ ASSERT (ISNAN (FMOD (L_(2.0), L_(0.0))));
+ ASSERT (ISNAN (FMOD (L_(2.0), MINUS_ZERO)));
+ ASSERT (ISNAN (FMOD (INFINITY, L_(0.0))));
+ ASSERT (ISNAN (FMOD (INFINITY, MINUS_ZERO)));
+
+ /* x is infinite. */
+ ASSERT (ISNAN (FMOD (INFINITY, L_(2.0))));
+ ASSERT (ISNAN (FMOD (INFINITY, - L_(2.0))));
+
+ /* x is zero. */
+ {
+ DOUBLE z = FMOD (L_(0.0), L_(2.0));
+ ASSERT (z == L_(0.0));
+ ASSERT (!signbit (z));
+ }
+ {
+ DOUBLE z = FMOD (MINUS_ZERO, L_(2.0));
+ ASSERT (z == L_(0.0));
+ ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO));
+ }
+ {
+ DOUBLE z = FMOD (L_(0.0), - L_(2.0));
+ ASSERT (z == L_(0.0));
+ ASSERT (!signbit (z));
+ }
+ {
+ DOUBLE z = FMOD (MINUS_ZERO, - L_(2.0));
+ ASSERT (z == L_(0.0));
+ ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO));
+ }
+ {
+ DOUBLE z = FMOD (L_(0.0), INFINITY);
+ ASSERT (z == L_(0.0));
+ ASSERT (!signbit (z));
+ }
+ {
+ DOUBLE z = FMOD (MINUS_ZERO, INFINITY);
+ ASSERT (z == L_(0.0));
+ ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO));
+ }
+ {
+ DOUBLE z = FMOD (L_(0.0), - INFINITY);
+ ASSERT (z == L_(0.0));
+ ASSERT (!signbit (z));
+ }
+ {
+ DOUBLE z = FMOD (MINUS_ZERO, - INFINITY);
+ ASSERT (z == L_(0.0));
+ ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO));
+ }
+
+ /* y is infinite. */
+ {
+ DOUBLE z = FMOD (L_(2.5), INFINITY);
+ ASSERT (z == L_(2.5));
+ }
+ {
+ DOUBLE z = FMOD (L_(2.5), - INFINITY);
+ ASSERT (z == L_(2.5));
+ }
+ {
+ DOUBLE z = FMOD (- L_(2.5), INFINITY);
+ ASSERT (z == - L_(2.5));
+ }
+ {
+ DOUBLE z = FMOD (- L_(2.5), - INFINITY);
+ ASSERT (z == - L_(2.5));
+ }
+}
--- /dev/null
+/* Test of fmodf() 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 FMOD fmodf
+#include "test-fmod-ieee.h"
+
+int
+main ()
+{
+ test_function ();
+
+ return 0;
+}