openat: Fix warnings and commens when building unlinkat.c on Hurd.

[gnulib.git] / tests / test-round1.c

diff --git a/tests/test-round1.c b/tests/test-round1.c
index 396fcc4..6633773 100644 (file)
--- a/tests/test-round1.c
+++ b/tests/test-round1.c
@@ -1,9 +1,9 @@
 /* Test of rounding to nearest, breaking ties away from zero.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007-2011 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
-   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,
@@ -22,38 +22,20 @@
 
 #include <math.h>
 
-#include <stdio.h>
-#include <stdlib.h>
+#include "signature.h"
+SIGNATURE_CHECK (round, double, (double));
 
-#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 double
-NaN ()
-{
-  static double zero = 0.0;
-  return zero / zero;
-}
-#else
-# define NaN() (0.0 / 0.0)
-#endif
+#include "isnand-nolibm.h"
+#include "minus-zero.h"
+#include "nan.h"
+#include "macros.h"
 
 int
 main ()
 {
   /* Zero.  */
   ASSERT (round (0.0) == 0.0);
-  ASSERT (round (-0.0) == 0.0);
+  ASSERT (round (minus_zerod) == 0.0);
   /* Positive numbers.  */
   ASSERT (round (0.3) == 0.0);
   ASSERT (round (0.5) == 1.0);
@@ -84,7 +66,7 @@ main ()
   ASSERT (round (1.0 / 0.0) == 1.0 / 0.0);
   ASSERT (round (-1.0 / 0.0) == -1.0 / 0.0);
   /* NaNs.  */
-  ASSERT (isnan (round (NaN ())));
+  ASSERT (isnand (round (NaNd ())));
 
   return 0;
 }