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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [dfp.h] - Rev 308
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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_doublest (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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