X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-roundf1.c;h=62c580ea555dad98855ea8219e9722f55dc60c2d;hb=97bf2776a9598318b077991bf3914bcdf5a9fe28;hp=67d5c7fe90c85facb8a53a05f29943e9d165fc92;hpb=386f7ca44a81b4230f867b19f8cc8296869548d9;p=gnulib.git

diff --git a/tests/test-roundf1.c b/tests/test-roundf1.c
index 67d5c7fe9..62c580ea5 100644
--- a/tests/test-roundf1.c
+++ b/tests/test-roundf1.c
@@ -1,9 +1,9 @@
 /* Test of rounding to nearest, breaking ties away from zero.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2008, 2009, 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
-   the Free Software Foundation; either version 2, or (at your option)
+   the Free Software Foundation; either version 3, or (at your option)
    any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -22,40 +22,23 @@
 
 #include <math.h>
 
-#include <stdio.h>
-#include <stdlib.h>
+#include "signature.h"
+SIGNATURE_CHECK (roundf, float, (float));
 
-#include "isnanf.h"
+#include "isnanf-nolibm.h"
+#include "nan.h"
+#include "macros.h"
 
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
-
-/* 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 (roundf (0.0f) == 0.0f);
-  ASSERT (roundf (-0.0f) == 0.0f);
+  ASSERT (roundf (-zero) == 0.0f);
   /* Positive numbers.  */
   ASSERT (roundf (0.3f) == 0.0f);
   ASSERT (roundf (0.5f) == 1.0f);
@@ -86,7 +69,7 @@ main ()
   ASSERT (roundf (1.0 / 0.0f) == 1.0 / 0.0f);
   ASSERT (roundf (-1.0 / 0.0f) == -1.0 / 0.0f);
   /* NaNs.  */
-  ASSERT (isnanf (roundf (NaN ())));
+  ASSERT (isnanf (roundf (NaNf ())));
 
   return 0;
 }