X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-floorl.c;h=2675a9e5d5821a2970e0050d9349e067b7a95c0a;hb=3b33d217d3e5f06f1f13e6a811c1bfddbc23f870;hp=5bbcaac44da97b1175712ca49787685b3b262ab3;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git

diff --git a/tests/test-floorl.c b/tests/test-floorl.c
index 5bbcaac44..2675a9e5d 100644
--- a/tests/test-floorl.c
+++ b/tests/test-floorl.c
@@ -27,25 +27,10 @@ SIGNATURE_CHECK (floorl, long double, (long double));
 
 #include "fpucw.h"
 #include "isnanl-nolibm.h"
+#include "minus-zero.h"
 #include "nan.h"
 #include "macros.h"
 
-/* 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
-
 int
 main ()
 {
@@ -55,7 +40,9 @@ main ()
 
   /* Zero.  */
   ASSERT (floorl (0.0L) == 0.0L);
-  ASSERT (floorl (minus_zero) == 0.0L);
+  ASSERT (!signbit (floorl (0.0L)));
+  ASSERT (floorl (minus_zerol) == 0.0L);
+  ASSERT (!!signbit (minus_zerol) == !!signbit (floorl (minus_zerol)));
   /* Positive numbers.  */
   ASSERT (floorl (0.3L) == 0.0L);
   ASSERT (floorl (0.7L) == 0.0L);