X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-frexp.c;h=a7ec639df6f32d9f8218717e77025baa1dbc0b37;hb=5bf73fbe89c75118e5e9a53e4b88a57729d26964;hp=9e92667cba23a52b47c3c4322f0baec42831c129;hpb=0a56509612c0b43a3f05361ecfb73b8b39f8e66c;p=gnulib.git

diff --git a/tests/test-frexp.c b/tests/test-frexp.c
index 9e92667cb..a7ec639df 100644
--- a/tests/test-frexp.c
+++ b/tests/test-frexp.c
@@ -1,5 +1,5 @@
 /* Test of splitting a double into fraction and mantissa.
-   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
@@ -20,23 +20,21 @@
 
 #include <math.h>
 
+#include "signature.h"
+SIGNATURE_CHECK (frexp, double, (double, int *));
+
 #include <float.h>
-#include <stdio.h>
-#include <stdlib.h>
 
-#include "isnand.h"
+#include "isnand-nolibm.h"
+#include "minus-zero.h"
+#include "infinity.h"
 #include "nan.h"
+#include "macros.h"
 
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+/* Avoid some warnings from "gcc -Wshadow".
+   This file doesn't use the exp() function.  */
+#undef exp
+#define exp exponent
 
 static double
 my_ldexp (double x, int d)
@@ -70,7 +68,7 @@ main ()
   { /* Positive infinity.  */
     int exp = -9999;
     double mantissa;
-    x = 1.0 / 0.0;
+    x = Infinityd ();
     mantissa = frexp (x, &exp);
     ASSERT (mantissa == x);
   }
@@ -78,7 +76,7 @@ main ()
   { /* Negative infinity.  */
     int exp = -9999;
     double mantissa;
-    x = -1.0 / 0.0;
+    x = - Infinityd ();
     mantissa = frexp (x, &exp);
     ASSERT (mantissa == x);
   }
@@ -96,7 +94,7 @@ main ()
   { /* Negative zero.  */
     int exp = -9999;
     double mantissa;
-    x = -0.0;
+    x = minus_zerod;
     mantissa = frexp (x, &exp);
     ASSERT (exp == 0);
     ASSERT (mantissa == x);