frexp, tests: work around ICC bug with -zero

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

diff --git a/tests/test-roundl.c b/tests/test-roundl.c
index 1da3f44..f06db8a 100644 (file)
--- a/tests/test-roundl.c
+++ b/tests/test-roundl.c
@@ -1,9 +1,9 @@
 /* Test of rounding to nearest, breaking ties away from zero.
 /* Test of rounding to nearest, breaking ties away from zero.

-   Copyright (C) 2007-2008 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
 
    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,
    any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -22,34 +22,16 @@
 
 #include <math.h>
 
 
 #include <math.h>
 

+#include "signature.h"
+SIGNATURE_CHECK (roundl, long double, (long double));
+

 #include <float.h>
 #include <float.h>

-#include <stdio.h>
-#include <stdlib.h>

 
 #include "fpucw.h"
 #include "isnanl-nolibm.h"
 
 #include "fpucw.h"
 #include "isnanl-nolibm.h"

-
-#define ASSERT(expr) \
-  do                                                                        \
-    {                                                                       \
-      if (!(expr))                                                          \
-        {                                                                   \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);                                                  \
-          abort ();                                                         \
-        }                                                                   \
-    }                                                                       \
-  while (0)
-
-/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
-   So we use minus_zero instead.
-   Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
-   platforms, such as when cross-compiling to PowerPC on MacOS X 10.5.  */
-#if defined __hpux || defined __sgi
-long double minus_zero = -LDBL_MIN * LDBL_MIN;
-#else
-long double minus_zero = -0.0L;
-#endif
+#include "minus-zero.h"
+#include "nan.h"
+#include "macros.h"

 
 int
 main ()
 
 int
 main ()


@@ -60,7 +42,7 @@ main ()
 
   /* Zero.  */
   ASSERT (roundl (0.0L) == 0.0L);
 
   /* Zero.  */
   ASSERT (roundl (0.0L) == 0.0L);

-  ASSERT (roundl (minus_zero) == 0.0L);
+  ASSERT (roundl (minus_zerol) == 0.0L);

   /* Positive numbers.  */
   ASSERT (roundl (0.3L) == 0.0L);
   ASSERT (roundl (0.5L) == 1.0L);
   /* Positive numbers.  */
   ASSERT (roundl (0.3L) == 0.0L);
   ASSERT (roundl (0.5L) == 1.0L);


@@ -91,7 +73,7 @@ main ()
   ASSERT (roundl (1.0 / 0.0L) == 1.0 / 0.0L);
   ASSERT (roundl (-1.0 / 0.0L) == -1.0 / 0.0L);
   /* NaNs.  */
   ASSERT (roundl (1.0 / 0.0L) == 1.0 / 0.0L);
   ASSERT (roundl (-1.0 / 0.0L) == -1.0 / 0.0L);
   /* NaNs.  */

-  ASSERT (isnanl (roundl (0.0L / 0.0L)));
+  ASSERT (isnanl (roundl (NaNl ())));

 
   return 0;
 }
 
   return 0;
 }