X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=tests%2Ftest-ceill.c;h=f627a9e299c577334f69360a9655a078709b0681;hb=8e20755cd51476b841e55faf7c21a57d8884d130;hp=80ff75ba667eb4c1cbe5bef91ab96464946c8b34;hpb=4eb59b32a2a687c113f3c0dfc166fc2573acb84f;p=gnulib.git

diff --git a/tests/test-ceill.c b/tests/test-ceill.c
index 80ff75ba6..f627a9e29 100644
--- a/tests/test-ceill.c
+++ b/tests/test-ceill.c
@@ -1,5 +1,5 @@
 /* Test of rounding towards positive infinity.
-   Copyright (C) 2007-2008 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
@@ -20,27 +20,16 @@
 
 #include <math.h>
 
-#include <stdio.h>
-#include <stdlib.h>
+#include "signature.h"
+SIGNATURE_CHECK (ceill, long double, (long double));
+
+#include <float.h>
 
 #include "fpucw.h"
 #include "isnanl-nolibm.h"
-
-#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 -0.0L.
-   So we use -zero instead.  */
-long double zero = 0.0L;
+#include "minus-zero.h"
+#include "nan.h"
+#include "macros.h"
 
 int
 main ()
@@ -51,7 +40,9 @@ main ()
 
   /* Zero.  */
   ASSERT (ceill (0.0L) == 0.0L);
-  ASSERT (ceill (-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);
@@ -77,7 +68,7 @@ main ()
   ASSERT (ceill (1.0L / 0.0L) == 1.0L / 0.0L);
   ASSERT (ceill (-1.0L / 0.0L) == -1.0L / 0.0L);
   /* NaNs.  */
-  ASSERT (isnanl (ceill (0.0L / 0.0L)));
+  ASSERT (isnanl (ceill (NaNl ())));
 
   return 0;
 }