X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-ldexpl.c;h=5f1fbd99fd6acff8daa4cde3b56a621ac949d5a4;hb=c26924950a3a546112e35c99aad85c0855f4664a;hp=272fc4f0cf2c92691e17d4e3086075e808f7b15e;hpb=9d5d03ff00b8b11b51450ce107159b263efb1739;p=gnulib.git

diff --git a/tests/test-ldexpl.c b/tests/test-ldexpl.c
index 272fc4f0c..5f1fbd99f 100644
--- 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) 2007-2009 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
@@ -26,6 +26,7 @@
 
 #include "fpucw.h"
 #include "isnanl-nolibm.h"
+#include "nan.h"
 
 #define ASSERT(expr) \
   do									     \
@@ -41,10 +42,16 @@
 
 /* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
    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
-long double minus_zero = -LDBL_MIN * LDBL_MIN;
+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
@@ -60,7 +67,7 @@ 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));