doc: use ASCII in .texi files where UTF-8 isn't needed

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

diff --git a/tests/test-isnanf.c b/tests/test-isnanf.c
index 0fafead..b6ed830 100644 (file)
--- a/tests/test-isnanf.c
+++ b/tests/test-isnanf.c
@@ -1,10 +1,10 @@
 /* Test of isnanf() substitute.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007-2014 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify
+   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)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -12,67 +12,10 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
-
-/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
-#include "isnanf.h"
-
-#include <limits.h>
-#include <stdlib.h>
-
-#define ASSERT(expr) if (!(expr)) abort ();
-
-/* 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
+#include <math.h>
 
-int
-main ()
-{
-  /* Finite values.  */
-  ASSERT (!isnanf (3.141f));
-  ASSERT (!isnanf (3.141e30f));
-  ASSERT (!isnanf (3.141e-30f));
-  ASSERT (!isnanf (-2.718f));
-  ASSERT (!isnanf (-2.718e30f));
-  ASSERT (!isnanf (-2.718e-30f));
-  /* Infinite values.  */
-  ASSERT (!isnanf (1.0f / 0.0f));
-  ASSERT (!isnanf (-1.0f / 0.0f));
-  /* Quiet NaN.  */
-  ASSERT (isnanf (NaN ()));
-#if defined FLT_EXPBIT0_WORD && defined FLT_EXPBIT0_BIT
-  /* Signalling NaN.  */
-  {
-    #define NWORDS \
-      ((sizeof (float) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
-    typedef union { float value; unsigned int word[NWORDS]; } memory_float;
-    memory_float m;
-    m.value = NaN ();
-# if FLT_EXPBIT0_BIT > 0
-    m.word[FLT_EXPBIT0_WORD] ^= (unsigned int) 1 << (FLT_EXPBIT0_BIT - 1);
-# else
-    m.word[FLT_EXPBIT0_WORD + (FLT_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)]
-      ^= (unsigned int) 1 << (sizeof (unsigned int) * CHAR_BIT - 1);
-# endif
-    if (FLT_EXPBIT0_WORD < NWORDS / 2)
-      m.word[FLT_EXPBIT0_WORD + 1] |= (unsigned int) 1 << FLT_EXPBIT0_BIT;
-    else
-      m.word[0] |= (unsigned int) 1;
-    ASSERT (isnanf (m.value));
-  }
-#endif
-  return 0;
-}
+#include "test-isnanf.h"