projects
/
gnulib.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Test also the types 'long double' and 'int64_t'.
[gnulib.git]
/
tests
/
test-frexp.c
diff --git
a/tests/test-frexp.c
b/tests/test-frexp.c
index
9856ba0
..
0cd0823
100644
(file)
--- a/
tests/test-frexp.c
+++ b/
tests/test-frexp.c
@@
-1,5
+1,5
@@
/* Test of splitting a double into fraction and mantissa.
/* Test of splitting a double into fraction and mantissa.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007
-2008
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
@@
-24,7
+24,13
@@
#include <stdio.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdlib.h>
-#include "isnan.h"
+#include "isnand-nolibm.h"
+#include "nan.h"
+
+/* Avoid some warnings from "gcc -Wshadow".
+ This file doesn't use the exp() function. */
+#undef exp
+#define exp exponent
#define ASSERT(expr) \
do \
#define ASSERT(expr) \
do \
@@
-32,22
+38,15
@@
if (!(expr)) \
{ \
fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
if (!(expr)) \
{ \
fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
abort (); \
} \
} \
while (0)
abort (); \
} \
} \
while (0)
-/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
-#ifdef __DECC
-static double
-NaN ()
-{
- static double zero = 0.0;
- return zero / zero;
-}
-#else
-# define NaN() (0.0 / 0.0)
-#endif
+/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
+ So we use -zero instead. */
+double zero = 0.0;
static double
my_ldexp (double x, int d)
static double
my_ldexp (double x, int d)
@@
-73,9
+72,9
@@
main ()
{ /* NaN. */
int exp = -9999;
double mantissa;
{ /* NaN. */
int exp = -9999;
double mantissa;
- x = NaN ();
+ x = NaN
d
();
mantissa = frexp (x, &exp);
mantissa = frexp (x, &exp);
- ASSERT (isnan (mantissa));
+ ASSERT (isnan
d
(mantissa));
}
{ /* Positive infinity. */
}
{ /* Positive infinity. */
@@
-107,7
+106,7
@@
main ()
{ /* Negative zero. */
int exp = -9999;
double mantissa;
{ /* Negative zero. */
int exp = -9999;
double mantissa;
- x = -
0.0
;
+ x = -
zero
;
mantissa = frexp (x, &exp);
ASSERT (exp == 0);
ASSERT (mantissa == x);
mantissa = frexp (x, &exp);
ASSERT (exp == 0);
ASSERT (mantissa == x);