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-rw-r--r--tests/test-isnan.c29
1 files changed, 3 insertions, 26 deletions
diff --git a/tests/test-isnan.c b/tests/test-isnan.c
index d1d05dcea4..104aa6f076 100644
--- a/tests/test-isnan.c
+++ b/tests/test-isnan.c
@@ -29,33 +29,10 @@
#include <float.h>
#include <limits.h>
+#include "minus-zero.h"
#include "nan.h"
#include "macros.h"
-/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0f.
- So we use -zero instead. */
-float zerof = 0.0f;
-
-/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
- So we use -zero instead. */
-double zerod = 0.0;
-
-/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
- So we use minus_zerol 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_zerol (void)
-{
- return -LDBL_MIN * LDBL_MIN;
-}
-# define minus_zerol compute_minus_zerol ()
-#else
-long double minus_zerol = -0.0L;
-#endif
-
static void
test_float (void)
{
@@ -67,7 +44,7 @@ test_float (void)
ASSERT (!isnan (-2.718e30f));
ASSERT (!isnan (-2.718e-30f));
ASSERT (!isnan (0.0f));
- ASSERT (!isnan (-zerof));
+ ASSERT (!isnan (minus_zerof));
/* Infinite values. */
ASSERT (!isnan (1.0f / 0.0f));
ASSERT (!isnan (-1.0f / 0.0f));
@@ -107,7 +84,7 @@ test_double (void)
ASSERT (!isnan (-2.718e30));
ASSERT (!isnan (-2.718e-30));
ASSERT (!isnan (0.0));
- ASSERT (!isnan (-zerod));
+ ASSERT (!isnan (minus_zerod));
/* Infinite values. */
ASSERT (!isnan (1.0 / 0.0));
ASSERT (!isnan (-1.0 / 0.0));