2012-02-25 Bruno Haible <bruno@clisp.org>
+ Tests for module 'remainderl'.
+ * modules/remainderl-tests: New file.
+ * tests/test-remainderl.c: New file.
+ * tests/test-math-c++.cc: Check the declaration of remainderl.
+
New module 'remainderl'.
* lib/math.in.h (remainderh): New declaration.
* lib/remainderl.c: New file.
#if GNULIB_TEST_REMAINDER
SIGNATURE_CHECK (GNULIB_NAMESPACE::remainder, double, (double, double));
#endif
+#if GNULIB_TEST_REMAINDERL
+SIGNATURE_CHECK (GNULIB_NAMESPACE::remainderl, long double,
+ (long double, long double));
+#endif
#if GNULIB_TEST_RINTF
SIGNATURE_CHECK (GNULIB_NAMESPACE::rintf, float, (float));
--- /dev/null
+/* Test of remainderl() function.
+ Copyright (C) 2010-2012 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/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
+
+#include <config.h>
+
+#include <math.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (remainderl, long double, (long double, long double));
+
+#include "fpucw.h"
+#include "macros.h"
+
+volatile long double x;
+volatile long double y;
+long double z;
+
+int
+main ()
+{
+ DECL_LONG_DOUBLE_ROUNDING
+
+ BEGIN_LONG_DOUBLE_ROUNDING ();
+
+ /* A particular value. */
+ x = 9.245907126L;
+ y = 3.141592654L;
+ z = remainderl (x, y);
+ ASSERT (z >= -0.178870837L && z <= -0.178870835L);
+
+ return 0;
+}