X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=tests%2Ftest-signbit.c;h=c8981498a1feb7dd398f68a479445e4a3525fb97;hb=cbfd25f0edf5f4b853e8ed2e01a4782ec80faba2;hp=3a87c6489da3f8254c0a504acadfd3aaa82bfbbe;hpb=793bb37ef01aa58685123a4c5d5851d91fb23a10;p=pspp
diff --git a/tests/test-signbit.c b/tests/test-signbit.c
index 3a87c6489d..c8981498a1 100644
--- a/tests/test-signbit.c
+++ b/tests/test-signbit.c
@@ -1,10 +1,10 @@
/* Test of signbit() substitute.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2011 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. */
@@ -21,10 +20,16 @@
#include
+/* signbit must be a macro. */
+#ifndef signbit
+# error missing declaration
+#endif
+
+#include
#include
-#include
-#define ASSERT(expr) if (!(expr)) abort ();
+#include "minus-zero.h"
+#include "macros.h"
float zerof = 0.0f;
double zerod = 0.0;
@@ -40,6 +45,12 @@ test_signbitf ()
ASSERT (signbit (-2.718f));
ASSERT (signbit (-2.718e30f));
ASSERT (signbit (-2.718e-30f));
+ /* Zeros. */
+ ASSERT (!signbit (0.0f));
+ if (1.0f / minus_zerof < 0)
+ ASSERT (signbit (minus_zerof));
+ else
+ ASSERT (!signbit (minus_zerof));
/* Infinite values. */
ASSERT (!signbit (1.0f / 0.0f));
ASSERT (signbit (-1.0f / 0.0f));
@@ -79,6 +90,12 @@ test_signbitd ()
ASSERT (signbit (-2.718));
ASSERT (signbit (-2.718e30));
ASSERT (signbit (-2.718e-30));
+ /* Zeros. */
+ ASSERT (!signbit (0.0));
+ if (1.0 / minus_zerod < 0)
+ ASSERT (signbit (minus_zerod));
+ else
+ ASSERT (!signbit (minus_zerod));
/* Infinite values. */
ASSERT (!signbit (1.0 / 0.0));
ASSERT (signbit (-1.0 / 0.0));
@@ -116,6 +133,12 @@ test_signbitl ()
ASSERT (signbit (-2.718L));
ASSERT (signbit (-2.718e30L));
ASSERT (signbit (-2.718e-30L));
+ /* Zeros. */
+ ASSERT (!signbit (0.0L));
+ if (1.0L / minus_zerol < 0)
+ ASSERT (signbit (minus_zerol));
+ else
+ ASSERT (!signbit (minus_zerol));
/* Infinite values. */
ASSERT (!signbit (1.0L / 0.0L));
ASSERT (signbit (-1.0L / 0.0L));