X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-floorl.c;h=9a8e5a800767b2c9fb99787e1232d7c6e03f88cc;hb=372854e7458969151cd1ec722670f17685479b20;hp=5baf36230b6bf8e083a05a827664e62bfe57cc94;hpb=3b63293b88852539e9df5eab6e4e056878cfb650;p=gnulib.git
diff --git a/tests/test-floorl.c b/tests/test-floorl.c
index 5baf36230..9a8e5a800 100644
--- a/tests/test-floorl.c
+++ b/tests/test-floorl.c
@@ -1,10 +1,10 @@
/* Test of rounding towards negative infinity.
- 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. */
@@ -21,6 +20,7 @@
#include
+#include
#include
#include
@@ -33,11 +33,22 @@
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 ()
{
@@ -47,7 +58,7 @@ main ()
/* Zero. */
ASSERT (floorl (0.0L) == 0.0L);
- ASSERT (floorl (-0.0L) == 0.0L);
+ ASSERT (floorl (minus_zero) == 0.0L);
/* Positive numbers. */
ASSERT (floorl (0.3L) == 0.0L);
ASSERT (floorl (0.7L) == 0.0L);