* modules/ldexpf-ieee-tests: New file.
* tests/test-ldexpf-ieee.c: New file.
* tests/test-ldexp-ieee.h: New file.
2012-02-26 Bruno Haible <bruno@clisp.org>
+ Tests for module 'ldexpf-ieee'.
+ * modules/ldexpf-ieee-tests: New file.
+ * tests/test-ldexpf-ieee.c: New file.
+ * tests/test-ldexp-ieee.h: New file.
+
New module 'ldexpf-ieee'.
* modules/ldexpf-ieee: New file.
--- /dev/null
+Files:
+tests/test-ldexpf-ieee.c
+tests/test-ldexp-ieee.h
+tests/minus-zero.h
+tests/infinity.h
+tests/nan.h
+tests/macros.h
+
+Depends-on:
+isnanf-nolibm
+float
+signbit
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-ldexpf-ieee
+check_PROGRAMS += test-ldexpf-ieee
+test_ldexpf_ieee_LDADD = $(LDADD) @LDEXPF_LIBM@
--- /dev/null
+/* 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)
+{
+ int exp;
+
+ /* [MX] shaded specification in POSIX. */
+
+ /* NaN. */
+ for (exp = -100000; exp <= 100000; exp += 100000)
+ ASSERT (ISNAN (LDEXP (NAN, exp)));
+
+ /* Signed zero. */
+ for (exp = -100000; exp <= 100000; exp += 100000)
+ {
+ DOUBLE z = LDEXP (L_(0.0), exp);
+ ASSERT (z == L_(0.0));
+ ASSERT (!signbit (z));
+ }
+ for (exp = -100000; exp <= 100000; exp += 100000)
+ {
+ DOUBLE z = LDEXP (MINUS_ZERO, exp);
+ ASSERT (z == L_(0.0));
+ ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO));
+ }
+
+ /* Infinity. */
+ for (exp = -100000; exp <= 100000; exp += 100000)
+ ASSERT (LDEXP (INFINITY, exp) == INFINITY);
+ for (exp = -100000; exp <= 100000; exp += 100000)
+ ASSERT (LDEXP (- INFINITY, exp) == - INFINITY);
+}
--- /dev/null
+/* Test of ldexpf() 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 LDEXP ldexpf
+#include "test-ldexp-ieee.h"
+
+int
+main ()
+{
+ test_function ();
+
+ return 0;
+}