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/* Decimal floating point support for GDB.
Copyright 2007, 2008 Free Software Foundation, Inc.
This file is part of GDB.
This program 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 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
/* Decimal floating point is one of the extension to IEEE 754, which is
described in http://grouper.ieee.org/groups/754/revision.html and
http://www2.hursley.ibm.com/decimal/. It completes binary floating
point by representing floating point more exactly. */
#ifndef DFP_H
#define DFP_H
/* When using decimal128, this is the maximum string length + 1
* (value comes from libdecnumber's DECIMAL128_String constant). */
#define MAX_DECIMAL_STRING 43
extern void decimal_to_string (const gdb_byte *, int, char *);
extern int decimal_from_string (gdb_byte *, int, const char *);
extern void decimal_from_integral (struct value *from, gdb_byte *to, int len);
extern void decimal_from_floating (struct value *from, gdb_byte *to, int len);
extern DOUBLEST decimal_to_double (const gdb_byte *from, int len);
extern void decimal_binop (enum exp_opcode, const gdb_byte *, int,
const gdb_byte *, int, gdb_byte *, int *);
extern int decimal_is_zero (const gdb_byte *x, int len);
extern int decimal_compare (const gdb_byte *x, int len_x, const gdb_byte *y, int len_y);
extern void decimal_convert (const gdb_byte *from, int len_from, gdb_byte *to,
int len_to);
#endif
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