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-rw-r--r--gcc-4.2.1-5666.3/libdecnumber/decLibrary.c110
1 files changed, 110 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/libdecnumber/decLibrary.c b/gcc-4.2.1-5666.3/libdecnumber/decLibrary.c
new file mode 100644
index 000000000..f7bece3a3
--- /dev/null
+++ b/gcc-4.2.1-5666.3/libdecnumber/decLibrary.c
@@ -0,0 +1,110 @@
+/* Temporary library support for decimal floating point.
+ Copyright (C) 2005, 2006 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 2, or (at your option)
+ any later version.
+
+ In addition to the permissions in the GNU General Public License,
+ the Free Software Foundation gives you unlimited permission to link
+ the compiled version of this file into combinations with other
+ programs, and to distribute those combinations without any
+ restriction coming from the use of this file. (The General Public
+ License restrictions do apply in other respects; for example, they
+ cover modification of the file, and distribution when not linked
+ into a combine executable.)
+
+ 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.
+
+ You should have received a copy of the GNU General Public License
+ along with GCC; see the file COPYING. If not, write to the Free
+ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+#include "config.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);
+extern void __dfp_enable_traps (void);
+extern void __dfp_raise (int exception __attribute__ ((unused)));
+
+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));
+}
+
+int __dfp_traps;
+
+void
+__dfp_enable_traps (void)
+{
+ __dfp_traps = 1;
+}
+
+void
+__dfp_raise (int exception __attribute__ ((unused)))
+{
+ raise (SIGFPE);
+}
+
+uint32_t
+__dec_byte_swap (uint32_t in)
+{
+ uint32_t out = 0;
+ unsigned char *p = (unsigned char *) &out;
+ union {
+ uint32_t i;
+ unsigned char b[4];
+ } u;
+
+ u.i = in;
+ p[0] = u.b[3];
+ p[1] = u.b[2];
+ p[2] = u.b[1];
+ p[3] = u.b[0];
+
+ return out;
+}