projects
/
gnulib.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
gettimeofday: port recent C++ fix to Emacs
[gnulib.git]
/
tests
/
test-signbit.c
diff --git
a/tests/test-signbit.c
b/tests/test-signbit.c
index
9cc65e3
..
e8ea097
100644
(file)
--- a/
tests/test-signbit.c
+++ b/
tests/test-signbit.c
@@
-1,5
+1,5
@@
/* Test of signbit() substitute.
/* Test of signbit() substitute.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007
-2013
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
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
@@
-20,20
+20,17
@@
#include <math.h>
#include <math.h>
+/* signbit must be a macro. */
+#ifndef signbit
+# error missing declaration
+#endif
+
+#include <float.h>
#include <limits.h>
#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- abort (); \
- } \
- } \
- while (0)
+#include "minus-zero.h"
+#include "infinity.h"
+#include "macros.h"
float zerof = 0.0f;
double zerod = 0.0;
float zerof = 0.0f;
double zerod = 0.0;
@@
-49,9
+46,15
@@
test_signbitf ()
ASSERT (signbit (-2.718f));
ASSERT (signbit (-2.718e30f));
ASSERT (signbit (-2.718e-30f));
ASSERT (signbit (-2.718f));
ASSERT (signbit (-2.718e30f));
ASSERT (signbit (-2.718e-30f));
+ /* Zeros. */
+ ASSERT (!signbit (0.0f));
+ if (1.0f / minus_zerof < 0)
+ ASSERT (signbit (minus_zerof));
+ else
+ ASSERT (!signbit (minus_zerof));
/* Infinite values. */
/* Infinite values. */
- ASSERT (!signbit (
1.0f / 0.0f
));
- ASSERT (signbit (-
1.0f / 0.0f
));
+ ASSERT (!signbit (
Infinityf ()
));
+ ASSERT (signbit (-
Infinityf ()
));
/* Quiet NaN. */
(void) signbit (zerof / zerof);
#if defined FLT_EXPBIT0_WORD && defined FLT_EXPBIT0_BIT
/* Quiet NaN. */
(void) signbit (zerof / zerof);
#if defined FLT_EXPBIT0_WORD && defined FLT_EXPBIT0_BIT
@@
-88,9
+91,15
@@
test_signbitd ()
ASSERT (signbit (-2.718));
ASSERT (signbit (-2.718e30));
ASSERT (signbit (-2.718e-30));
ASSERT (signbit (-2.718));
ASSERT (signbit (-2.718e30));
ASSERT (signbit (-2.718e-30));
+ /* Zeros. */
+ ASSERT (!signbit (0.0));
+ if (1.0 / minus_zerod < 0)
+ ASSERT (signbit (minus_zerod));
+ else
+ ASSERT (!signbit (minus_zerod));
/* Infinite values. */
/* Infinite values. */
- ASSERT (!signbit (
1.0 / 0.0
));
- ASSERT (signbit (-
1.0 / 0.0
));
+ ASSERT (!signbit (
Infinityd ()
));
+ ASSERT (signbit (-
Infinityd ()
));
/* Quiet NaN. */
(void) signbit (zerod / zerod);
#if defined DBL_EXPBIT0_WORD && defined DBL_EXPBIT0_BIT
/* Quiet NaN. */
(void) signbit (zerod / zerod);
#if defined DBL_EXPBIT0_WORD && defined DBL_EXPBIT0_BIT
@@
-125,9
+134,15
@@
test_signbitl ()
ASSERT (signbit (-2.718L));
ASSERT (signbit (-2.718e30L));
ASSERT (signbit (-2.718e-30L));
ASSERT (signbit (-2.718L));
ASSERT (signbit (-2.718e30L));
ASSERT (signbit (-2.718e-30L));
+ /* Zeros. */
+ ASSERT (!signbit (0.0L));
+ if (1.0L / minus_zerol < 0)
+ ASSERT (signbit (minus_zerol));
+ else
+ ASSERT (!signbit (minus_zerol));
/* Infinite values. */
/* Infinite values. */
- ASSERT (!signbit (
1.0L / 0.0L
));
- ASSERT (signbit (-
1.0L / 0.0L
));
+ ASSERT (!signbit (
Infinityl ()
));
+ ASSERT (signbit (-
Infinityl ()
));
/* Quiet NaN. */
(void) signbit (zerol / zerol);
#if defined LDBL_EXPBIT0_WORD && defined LDBL_EXPBIT0_BIT
/* Quiet NaN. */
(void) signbit (zerol / zerol);
#if defined LDBL_EXPBIT0_WORD && defined LDBL_EXPBIT0_BIT