2 files changed, 48 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/tests/test-ceill-ieee.c b/gnulib/tests/test-ceill-ieee.c
new file mode 100644
index 0000000..90a5201
--- /dev/null
+++ b/gnulib/tests/test-ceill-ieee.c
@@ -0,0 +1,48 @@
+/* Test of rounding towards positive infinity.
+   Copyright (C) 2010-2011 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
+   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
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include <math.h>
+
+#include "fpucw.h"
+#include "minus-zero.h"
+#include "macros.h"
+
+int
+main ()
+{
+  DECL_LONG_DOUBLE_ROUNDING
+
+  BEGIN_LONG_DOUBLE_ROUNDING ();
+
+  /* See IEEE 754, section 6.3:
+       "the sign of the result of the round floating-point number to
+        integral value operation is the sign of the operand. These rules
+        shall apply even when operands or results are zero or infinite."  */
+
+  /* Zero.  */
+  ASSERT (!signbit (ceill (0.0L)));
+  ASSERT (!!signbit (ceill (minus_zerol)) == !!signbit (minus_zerol));
+  /* Positive numbers.  */
+  ASSERT (!signbit (ceill (0.3L)));
+  ASSERT (!signbit (ceill (0.7L)));
+  /* Negative numbers.  */
+  ASSERT (!!signbit (ceill (-0.3L)) == !!signbit (minus_zerol));
+  ASSERT (!!signbit (ceill (-0.7L)) == !!signbit (minus_zerol));
+
+  return 0;
+}