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45 lines
1.9 KiB
C
45 lines
1.9 KiB
C
/* Decimal floating point support for GDB.
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Copyright 2007, 2008, 2009 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Decimal floating point is one of the extension to IEEE 754, which is
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described in http://grouper.ieee.org/groups/754/revision.html and
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http://www2.hursley.ibm.com/decimal/. It completes binary floating
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point by representing floating point more exactly. */
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#ifndef DFP_H
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#define DFP_H
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/* When using decimal128, this is the maximum string length + 1
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* (value comes from libdecnumber's DECIMAL128_String constant). */
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#define MAX_DECIMAL_STRING 43
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extern void decimal_to_string (const gdb_byte *, int, char *);
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extern int decimal_from_string (gdb_byte *, int, const char *);
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extern void decimal_from_integral (struct value *from, gdb_byte *to, int len);
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extern void decimal_from_floating (struct value *from, gdb_byte *to, int len);
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extern DOUBLEST decimal_to_doublest (const gdb_byte *from, int len);
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extern void decimal_binop (enum exp_opcode, const gdb_byte *, int,
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const gdb_byte *, int, gdb_byte *, int *);
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extern int decimal_is_zero (const gdb_byte *x, int len);
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extern int decimal_compare (const gdb_byte *x, int len_x, const gdb_byte *y, int len_y);
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extern void decimal_convert (const gdb_byte *from, int len_from, gdb_byte *to,
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int len_to);
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#endif
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