/* Test of splitting a 'long double' into fraction and mantissa.
- Copyright (C) 2007-2009 Free Software Foundation, Inc.
+ Copyright (C) 2007-2011 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
#include "fpucw.h"
#include "isnanl-nolibm.h"
+#include "minus-zero.h"
#include "nan.h"
#include "macros.h"
# define MIN_NORMAL_EXP LDBL_MIN_EXP
#endif
-/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
- So we use minus_zero instead.
- IRIX cc can't put -0.0L into .data, but can compute at runtime.
- Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
- platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
-#if defined __hpux || defined __sgi
-static long double
-compute_minus_zero (void)
-{
- return -LDBL_MIN * LDBL_MIN;
-}
-# define minus_zero compute_minus_zero ()
-#else
-long double minus_zero = -0.0L;
-#endif
-
static long double
my_ldexp (long double x, int d)
{
{ /* Negative zero. */
int exp = -9999;
long double mantissa;
- x = minus_zero;
+ x = minus_zerol;
mantissa = frexpl (x, &exp);
ASSERT (exp == 0);
ASSERT (mantissa == x);