mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
109 lines
3.6 KiB
C
109 lines
3.6 KiB
C
/* 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. */
|
|
|
|
/* As a special exception, if you include this header file into source
|
|
files compiled by GCC, this header file does not by itself cause
|
|
the resulting executable to be covered by the GNU General Public
|
|
License. This exception does not however invalidate any other
|
|
reasons why the executable file might be covered by the GNU General
|
|
Public License. */
|
|
|
|
/*
|
|
* Draft C Extension to support decimal floating-pointing arithmetic:
|
|
* Characteristics of decimal floating types <decfloat.h>
|
|
*/
|
|
|
|
#ifndef _DECFLOAT_H___
|
|
#define _DECFLOAT_H___
|
|
|
|
/* Number of base-FLT_RADIX digits in the significand, p. */
|
|
#undef DEC32_MANT_DIG
|
|
#undef DEC64_MANT_DIG
|
|
#undef DEC128_MANT_DIG
|
|
#define DEC32_MANT_DIG __DEC32_MANT_DIG__
|
|
#define DEC64_MANT_DIG __DEC64_MANT_DIG__
|
|
#define DEC128_MANT_DIG __DEC128_MANT_DIG__
|
|
|
|
/* Minimum exponent. */
|
|
#undef DEC32_MIN_EXP
|
|
#undef DEC64_MIN_EXP
|
|
#undef DEC128_MIN_EXP
|
|
#define DEC32_MIN_EXP __DEC32_MIN_EXP__
|
|
#define DEC64_MIN_EXP __DEC64_MIN_EXP__
|
|
#define DEC128_MIN_EXP __DEC128_MIN_EXP__
|
|
|
|
/* Maximum exponent. */
|
|
#undef DEC32_MAX_EXP
|
|
#undef DEC64_MAX_EXP
|
|
#undef DEC128_MAX_EXP
|
|
#define DEC32_MAX_EXP __DEC32_MAX_EXP__
|
|
#define DEC64_MAX_EXP __DEC64_MAX_EXP__
|
|
#define DEC128_MAX_EXP __DEC128_MAX_EXP__
|
|
|
|
/* Maximum representable finite decimal floating-point number
|
|
(there are 6, 15, and 33 9s after the decimal points respectively). */
|
|
#undef DEC32_MAX
|
|
#undef DEC64_MAX
|
|
#undef DEC128_MAX
|
|
#define DEC32_MAX __DEC32_MAX__
|
|
#define DEC64_MAX __DEC64_MAX__
|
|
#define DEC128_MAX __DEC128_MAX__
|
|
|
|
/* The difference between 1 and the least value greater than 1 that is
|
|
representable in the given floating point type. */
|
|
#undef DEC32_EPSILON
|
|
#undef DEC64_EPSILON
|
|
#undef DEC128_EPSILON
|
|
#define DEC32_EPSILON __DEC32_EPSILON__
|
|
#define DEC64_EPSILON __DEC64_EPSILON__
|
|
#define DEC128_EPSILON __DEC128_EPSILON__
|
|
|
|
/* Minimum normalized positive floating-point number. */
|
|
#undef DEC32_MIN
|
|
#undef DEC64_MIN
|
|
#undef DEC128_MIN
|
|
#define DEC32_MIN __DEC32_MIN__
|
|
#define DEC64_MIN __DEC64_MIN__
|
|
#define DEC128_MIN __DEC128_MIN__
|
|
|
|
/* Minimum denormalized positive floating-point number. */
|
|
#undef DEC32_DEN
|
|
#undef DEC64_DEN
|
|
#undef DEC128_DEN
|
|
#define DEC32_DEN __DEC32_DEN__
|
|
#define DEC64_DEN __DEC64_DEN__
|
|
#define DEC128_DEN __DEC128_DEN__
|
|
|
|
/* The floating-point expression evaluation method.
|
|
-1 indeterminate
|
|
0 evaluate all operations and constants just to the range and
|
|
precision of the type
|
|
1 evaluate operations and constants of type _Decimal32
|
|
and _Decimal64 to the range and precision of the _Decimal64
|
|
type, evaluate _Decimal128 operations and constants to the
|
|
range and precision of the _Decimal128 type;
|
|
2 evaluate all operations and constants to the range and
|
|
precision of the _Decimal128 type.
|
|
*/
|
|
|
|
#undef DECFLT_EVAL_METHOD
|
|
#define DECFLT_EVAL_METHOD __DECFLT_EVAL_METHOD__
|
|
|
|
#endif /* _DECFLOAT_H___ */
|