X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-isnand.c;h=fbbd001226575dfd9cb8220c2c8ed902ffe40b6c;hb=f462d86108d41b1ca0f48b51caad6c696d67d8fd;hp=0bc0a26dee6aaeaa698aeea1096f32dc5208e55a;hpb=b17d7ac7df62c7c7f56fe857ed28151d8b0e4e28;p=gnulib.git

diff --git a/tests/test-isnand.c b/tests/test-isnand.c
index 0bc0a26de..fbbd00122 100644
--- a/tests/test-isnand.c
+++ b/tests/test-isnand.c
@@ -1,5 +1,5 @@
 /* Test of isnand() 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
@@ -14,74 +14,9 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
-
 #include <config.h>
 
-#include "isnand.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 <math.h>
 
-/* 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 "test-isnand.h"
 
-int
-main ()
-{
-  /* Finite values.  */
-  ASSERT (!isnand (3.141));
-  ASSERT (!isnand (3.141e30));
-  ASSERT (!isnand (3.141e-30));
-  ASSERT (!isnand (-2.718));
-  ASSERT (!isnand (-2.718e30));
-  ASSERT (!isnand (-2.718e-30));
-  ASSERT (!isnand (0.0));
-  ASSERT (!isnand (-0.0));
-  /* Infinite values.  */
-  ASSERT (!isnand (1.0 / 0.0));
-  ASSERT (!isnand (-1.0 / 0.0));
-  /* Quiet NaN.  */
-  ASSERT (isnand (NaN ()));
-#if defined DBL_EXPBIT0_WORD && defined DBL_EXPBIT0_BIT
-  /* Signalling NaN.  */
-  {
-    #define NWORDS \
-      ((sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
-    typedef union { double value; unsigned int word[NWORDS]; } memory_double;
-    memory_double m;
-    m.value = NaN ();
-# if DBL_EXPBIT0_BIT > 0
-    m.word[DBL_EXPBIT0_WORD] ^= (unsigned int) 1 << (DBL_EXPBIT0_BIT - 1);
-# else
-    m.word[DBL_EXPBIT0_WORD + (DBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)]
-      ^= (unsigned int) 1 << (sizeof (unsigned int) * CHAR_BIT - 1);
-# endif
-    m.word[DBL_EXPBIT0_WORD + (DBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)]
-      |= (unsigned int) 1 << DBL_EXPBIT0_BIT;
-    ASSERT (isnand (m.value));
-  }
-#endif
-  return 0;
-}