diff options
Diffstat (limited to 'gcc/ginclude')
| -rw-r--r-- | gcc/ginclude/decfloat.h | 108 | ||||
| -rw-r--r-- | gcc/ginclude/float.h | 81 |
2 files changed, 80 insertions, 109 deletions
diff --git a/gcc/ginclude/decfloat.h b/gcc/ginclude/decfloat.h deleted file mode 100644 index 03e0a7bf2e8..00000000000 --- a/gcc/ginclude/decfloat.h +++ /dev/null @@ -1,108 +0,0 @@ -/* 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___ */ diff --git a/gcc/ginclude/float.h b/gcc/ginclude/float.h index 3cdf7c82886..1e16e8884d7 100644 --- a/gcc/ginclude/float.h +++ b/gcc/ginclude/float.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2007 Free Software Foundation, Inc. This file is part of GCC. @@ -159,4 +159,83 @@ Boston, MA 02110-1301, USA. */ #define DECIMAL_DIG __DECIMAL_DIG__ #endif /* C99 */ + +#if __STDC_WANT_DEC_FP__ == 1 +/* Draft Technical Report 24732, extension for decimal floating-point + arithmetic: Characteristic of decimal floating types <float.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 /* __STDC_WANT_DEC_FP__ == 1 */ + #endif /* _FLOAT_H___ */ |