| /* 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___ */ |
