* libdecnumber: Import decNumber sources from the dfp-branch.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107629 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 81 insertions, 0 deletions

diff --git a/libdecnumber/decLibrary.c b/libdecnumber/decLibrary.c
new file mode 100644
index 00000000000..b7cbd109b25
--- /dev/null
+++ b/libdecnumber/decLibrary.c
@@ -0,0 +1,81 @@
+/* Temporary library support for decimal floating point.
+   Copyright (C) 2005 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.
+
+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 "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);
+}