patch-2.4.6 linux/arch/mips64/math-emu/ieee754m.c

• Lines: 57
• Date: Mon Jul 2 13:56:41 2001
• Orig file: v2.4.5/linux/arch/mips64/math-emu/ieee754m.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.5/linux/arch/mips64/math-emu/ieee754m.c linux/arch/mips64/math-emu/ieee754m.c
@@ -0,0 +1,56 @@
+/*
+ * floor, trunc, ceil
+ */
+/*
+ * MIPS floating point support
+ * Copyright (C) 1994-2000 Algorithmics Ltd.  All rights reserved.
+ * http://www.algor.co.uk
+ *
+ * ########################################################################
+ *
+ *  This program is free software; you can distribute it and/or modify it
+ *  under the terms of the GNU General Public License (Version 2) as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope 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, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * ########################################################################
+ */
+
+
+#include "ieee754.h"
+
+ieee754dp ieee754dp_floor(ieee754dp x)
+{
+	ieee754dp i;
+
+	if (ieee754dp_lt(ieee754dp_modf(x, &i), ieee754dp_zero(0)))
+		return ieee754dp_sub(i, ieee754dp_one(0));
+	else
+		return i;
+}
+
+ieee754dp ieee754dp_ceil(ieee754dp x)
+{
+	ieee754dp i;
+
+	if (ieee754dp_gt(ieee754dp_modf(x, &i), ieee754dp_zero(0)))
+		return ieee754dp_add(i, ieee754dp_one(0));
+	else
+		return i;
+}
+
+ieee754dp ieee754dp_trunc(ieee754dp x)
+{
+	ieee754dp i;
+
+	(void) ieee754dp_modf(x, &i);
+	return i;
+}