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-rw-r--r--libdecnumber/decLibrary.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/libdecnumber/decLibrary.c b/libdecnumber/decLibrary.c
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index 000000000..323a0d6ac
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+++ b/libdecnumber/decLibrary.c
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+/* 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));
+}