X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-ceill.c;h=f627a9e299c577334f69360a9655a078709b0681;hb=8e20755cd51476b841e55faf7c21a57d8884d130;hp=a7dfe20c6e39da6ae4a3fc65fd15d0f24f792df6;hpb=987e5651e8d1c5aa933c9ce88562806af4093702;p=gnulib.git

diff --git a/tests/test-ceill.c b/tests/test-ceill.c
index a7dfe20c6..f627a9e29 100644
--- a/tests/test-ceill.c
+++ b/tests/test-ceill.c
@@ -1,5 +1,5 @@
 /* Test of rounding towards positive infinity.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 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
@@ -27,25 +27,10 @@ SIGNATURE_CHECK (ceill, 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 (ceill (0.0L) == 0.0L);
-  ASSERT (ceill (minus_zero) == 0.0L);
+  ASSERT (!signbit (ceill (0.0L)));
+  ASSERT (ceill (minus_zerol) == 0.0L);
+  ASSERT (!!signbit (minus_zerol) == !!signbit (ceill (minus_zerol)));
   /* Positive numbers.  */
   ASSERT (ceill (0.3L) == 1.0L);
   ASSERT (ceill (0.7L) == 1.0L);