added missing dependencies to fix failing unistr/ tests

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

diff --git a/tests/test-ldexpl.c b/tests/test-ldexpl.c
index 4b5ea32..f3b4e6f 100644 (file)
--- a/tests/test-ldexpl.c
+++ b/tests/test-ldexpl.c
@@ -1,5 +1,5 @@
 /* Test of multiplying a 'long double' by a power of 2.
-   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
@@ -20,28 +20,31 @@
 
 #include <math.h>
 
+#include "signature.h"
+SIGNATURE_CHECK (ldexpl, long double, (long double, int));
+
 #include <float.h>
-#include <stdio.h>
-#include <stdlib.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)
+#include "nan.h"
+#include "macros.h"
 
 /* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
-   So we use minus_zero instead.  */
-long double minus_zero = -LDBL_MIN * LDBL_MIN;
+   So we use minus_zero instead.
+   IRIX cc can't put -0.0L into .data, but can compute at runtime.
+   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
+static long double
+compute_minus_zero (void)
+{
+  return -LDBL_MIN * LDBL_MIN;
+}
+# define minus_zero compute_minus_zero ()
+#else
+long double minus_zero = -0.0L;
+#endif
 
 int
 main ()
@@ -54,7 +57,7 @@ main ()
   BEGIN_LONG_DOUBLE_ROUNDING ();
 
   { /* NaN.  */
-    x = 0.0L / 0.0L;
+    x = NaNl ();
     y = ldexpl (x, 0); ASSERT (isnanl (y));
     y = ldexpl (x, 5); ASSERT (isnanl (y));
     y = ldexpl (x, -5); ASSERT (isnanl (y));
@@ -113,9 +116,9 @@ main ()
       y = ldexpl (x, 0); ASSERT (y == x);
       y = ldexpl (x, 5); ASSERT (y == x * 32.0L);
       if (i - 5 >= LDBL_MIN_EXP)
-       {
-         y = ldexpl (x, -5); ASSERT (y == x * 0.03125L);
-       }
+        {
+          y = ldexpl (x, -5); ASSERT (y == x * 0.03125L);
+        }
     }
   for (; i >= LDBL_MIN_EXP - 100 && x > 0.0L; i--, x *= 0.5L)
     {