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[gnulib.git]
/
tests
/
test-frexp.c
diff --git
a/tests/test-frexp.c
b/tests/test-frexp.c
index
c08056c
..
d5ab7e5
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) 2007-20
08
Free Software Foundation, Inc.
+ Copyright (C) 2007-20
10
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
@@
-20,29
+20,23
@@
#include <math.h>
#include <math.h>
+#include "signature.h"
+SIGNATURE_CHECK (frexp, double, (double, int *));
+
#include <float.h>
#include <float.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "isnand.h"
+#include "isnand
-nolibm
.h"
#include "nan.h"
#include "nan.h"
+#include "macros.h"
/* Avoid some warnings from "gcc -Wshadow".
This file doesn't use the exp() function. */
#undef exp
#define exp exponent
/* Avoid some warnings from "gcc -Wshadow".
This file doesn't use the exp() function. */
#undef exp
#define exp exponent
-#define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- fflush (stderr); \
- abort (); \
- } \
- } \
- while (0)
+/* 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)
@@
-102,7
+96,7
@@
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);