X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-isnanl.h;h=8567f39eca139dbf66bda92ae301f7c63a0cbc1d;hb=372854e7458969151cd1ec722670f17685479b20;hp=b80e84901255dc52d9b28d1d169178d9fa0ba8e5;hpb=0c5d8a34bf818814e262ce1e0f1d510388715144;p=gnulib.git
diff --git a/tests/test-isnanl.h b/tests/test-isnanl.h
index b80e84901..8567f39ec 100644
--- a/tests/test-isnanl.h
+++ b/tests/test-isnanl.h
@@ -1,10 +1,10 @@
/* Test of isnanl() substitute.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2008 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
@@ -12,8 +12,7 @@
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. */
+ along with this program. If not, see . */
/* Written by Bruno Haible , 2007. */
@@ -28,11 +27,22 @@
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
+
int
main ()
{
@@ -48,6 +58,8 @@ main ()
ASSERT (!isnanl (-2.718L));
ASSERT (!isnanl (-2.718e30L));
ASSERT (!isnanl (-2.718e-30L));
+ ASSERT (!isnanl (0.0L));
+ ASSERT (!isnanl (minus_zero));
/* Infinite values. */
ASSERT (!isnanl (1.0L / 0.0L));
ASSERT (!isnanl (-1.0L / 0.0L));