48 lines
2.4 KiB
C
48 lines
2.4 KiB
C
/* Decimal floating point support functions for GNU compiler.
|
|
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.
|
|
|
|
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. */
|
|
|
|
#ifndef GCC_DFP_H
|
|
#define GCC_DFP_H
|
|
|
|
/* Encode REAL_VALUE_TYPEs into 32/64/128-bit IEEE 754R encoded values. */
|
|
void encode_decimal32 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
|
|
void encode_decimal64 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
|
|
void decode_decimal128 (const struct real_format *, REAL_VALUE_TYPE *, const long *);
|
|
|
|
/* Decode 32/64/128-bit IEEE 754R encoded values into REAL_VALUE_TYPEs. */
|
|
void decode_decimal32 (const struct real_format *, REAL_VALUE_TYPE *, const long *);
|
|
void decode_decimal64 (const struct real_format *, REAL_VALUE_TYPE *, const long *);
|
|
void encode_decimal128 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
|
|
|
|
/* Arithmetic and conversion functions. */
|
|
int decimal_do_compare (const REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *, int);
|
|
void decimal_real_from_string (REAL_VALUE_TYPE *, const char *);
|
|
void decimal_round_for_format (const struct real_format *, REAL_VALUE_TYPE *);
|
|
void decimal_real_convert (REAL_VALUE_TYPE *, enum machine_mode, const REAL_VALUE_TYPE *);
|
|
void decimal_real_to_decimal (char *, const REAL_VALUE_TYPE *, size_t, size_t, int);
|
|
void decimal_do_fix_trunc (REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *);
|
|
bool decimal_real_arithmetic (REAL_VALUE_TYPE *, enum tree_code, const REAL_VALUE_TYPE *,
|
|
const REAL_VALUE_TYPE *);
|
|
void decimal_real_maxval (REAL_VALUE_TYPE *, int, enum machine_mode);
|
|
void decimal_real_to_integer2 (HOST_WIDE_INT *, HOST_WIDE_INT *, const REAL_VALUE_TYPE *);
|
|
HOST_WIDE_INT decimal_real_to_integer (const REAL_VALUE_TYPE *);
|
|
|
|
#endif /* GCC_DFP_H */
|