diff libdecnumber/decLibrary.c @ 0:a06113de4d67

first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children 04ced10e8804
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libdecnumber/decLibrary.c	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,71 @@
+/* Temporary library support for decimal floating point.
+   Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
+
+   This file is part of GCC.
+
+   GCC 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, or (at your option)
+   any later version.
+
+   GCC 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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#include "dconfig.h"
+#include "decContext.h"
+#include "decimal128.h"
+#include "decimal64.h"
+#include "decimal32.h"
+
+void __host_to_ieee_32 (_Decimal32, decimal32 *);
+void __host_to_ieee_64 (_Decimal64, decimal64 *);
+void __host_to_ieee_128 (_Decimal128, decimal128 *);
+
+extern int isinfd32 (_Decimal32);
+extern int isinfd64 (_Decimal64);
+extern int isinfd128 (_Decimal128);
+uint32_t __dec_byte_swap (uint32_t);
+
+int
+isinfd32 (_Decimal32 arg)
+{
+  decNumber dn;
+  decimal32 d32;
+
+  __host_to_ieee_32 (arg, &d32);
+  decimal32ToNumber (&d32, &dn);
+  return (decNumberIsInfinite (&dn));
+}
+
+int
+isinfd64 (_Decimal64 arg)
+{
+  decNumber dn;
+  decimal64 d64;
+
+  __host_to_ieee_64 (arg, &d64);
+  decimal64ToNumber (&d64, &dn);
+  return (decNumberIsInfinite (&dn));
+}
+
+int
+isinfd128 (_Decimal128 arg)
+{
+  decNumber dn;
+  decimal128 d128;
+
+  __host_to_ieee_128 (arg, &d128);
+  decimal128ToNumber (&d128, &dn);
+  return (decNumberIsInfinite (&dn));
+}