X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-signbit.c;h=c8981498a1feb7dd398f68a479445e4a3525fb97;hb=811627be3732ccbdaaea86b0dafdda1748375671;hp=3e0185916b79123c4ac86fa684074af816c547dc;hpb=0ac95ec362e080d762ac47d2560bac7f741e2861;p=gnulib.git

diff --git a/tests/test-signbit.c b/tests/test-signbit.c
index 3e0185916..c8981498a 100644
--- a/tests/test-signbit.c
+++ b/tests/test-signbit.c
@@ -1,5 +1,5 @@
 /* Test of signbit() substitute.
-   Copyright (C) 2007, 2008 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
@@ -20,20 +20,16 @@
 
 #include <math.h>
 
+/* signbit must be a macro.  */
+#ifndef signbit
+# error missing declaration
+#endif
+
+#include <float.h>
 #include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
 
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "minus-zero.h"
+#include "macros.h"
 
 float zerof = 0.0f;
 double zerod = 0.0;
@@ -51,10 +47,10 @@ test_signbitf ()
   ASSERT (signbit (-2.718e-30f));
   /* Zeros.  */
   ASSERT (!signbit (0.0f));
-  if (1.0f / -zerof < 0)
-    ASSERT (signbit (-0.0f));
+  if (1.0f / minus_zerof < 0)
+    ASSERT (signbit (minus_zerof));
   else
-    ASSERT (!signbit (-0.0f));
+    ASSERT (!signbit (minus_zerof));
   /* Infinite values.  */
   ASSERT (!signbit (1.0f / 0.0f));
   ASSERT (signbit (-1.0f / 0.0f));
@@ -96,10 +92,10 @@ test_signbitd ()
   ASSERT (signbit (-2.718e-30));
   /* Zeros.  */
   ASSERT (!signbit (0.0));
-  if (1.0 / -zerod < 0)
-    ASSERT (signbit (-0.0));
+  if (1.0 / minus_zerod < 0)
+    ASSERT (signbit (minus_zerod));
   else
-    ASSERT (!signbit (-0.0));
+    ASSERT (!signbit (minus_zerod));
   /* Infinite values.  */
   ASSERT (!signbit (1.0 / 0.0));
   ASSERT (signbit (-1.0 / 0.0));
@@ -139,10 +135,10 @@ test_signbitl ()
   ASSERT (signbit (-2.718e-30L));
   /* Zeros.  */
   ASSERT (!signbit (0.0L));
-  if (1.0L / -zerol < 0)
-    ASSERT (signbit (-0.0L));
+  if (1.0L / minus_zerol < 0)
+    ASSERT (signbit (minus_zerol));
   else
-    ASSERT (!signbit (-0.0L));
+    ASSERT (!signbit (minus_zerol));
   /* Infinite values.  */
   ASSERT (!signbit (1.0L / 0.0L));
   ASSERT (signbit (-1.0L / 0.0L));