X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-truncf1.c;h=8b125a8b86a9e036f29907f22473621725319f23;hb=e2843e30e8c2885eb8cbc77e20c4e0f4d562d44d;hp=0fefc7fa2a6a603bd36bd40309b95881de802853;hpb=0a8c99541d9bc68404b24a4ba963b3483f83e157;p=gnulib.git

diff --git a/tests/test-truncf1.c b/tests/test-truncf1.c
index 0fefc7fa2..8b125a8b8 100644
--- a/tests/test-truncf1.c
+++ b/tests/test-truncf1.c
@@ -1,5 +1,5 @@
 /* Test of rounding towards zero.
-   Copyright (C) 2007 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
@@ -20,38 +20,23 @@
 
 #include <math.h>
 
-#include <stdio.h>
-#include <stdlib.h>
+#include "signature.h"
+SIGNATURE_CHECK (truncf, float, (float));
 
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "isnanf-nolibm.h"
+#include "nan.h"
+#include "macros.h"
 
-/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0.  */
-#ifdef __DECC
-static float
-NaN ()
-{
-  static float zero = 0.0f;
-  return zero / zero;
-}
-#else
-# define NaN() (0.0f / 0.0f)
-#endif
+/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0f.
+   So we use -zero instead.  */
+float zero = 0.0f;
 
 int
 main ()
 {
   /* Zero.  */
   ASSERT (truncf (0.0f) == 0.0f);
-  ASSERT (truncf (-0.0f) == 0.0f);
+  ASSERT (truncf (-zero) == 0.0f);
   /* Positive numbers.  */
   ASSERT (truncf (0.3f) == 0.0f);
   ASSERT (truncf (0.7f) == 0.0f);
@@ -76,7 +61,7 @@ main ()
   ASSERT (truncf (1.0f / 0.0f) == 1.0f / 0.0f);
   ASSERT (truncf (-1.0f / 0.0f) == -1.0f / 0.0f);
   /* NaNs.  */
-  ASSERT (isnan (truncf (NaN ())));
+  ASSERT (isnanf (truncf (NaNf ())));
 
   return 0;
 }