diff options
Diffstat (limited to 'lib/gcc/arm-linux-androideabi/7.2.0/include/float.h')
| -rw-r--r-- | lib/gcc/arm-linux-androideabi/7.2.0/include/float.h | 506 |
1 files changed, 506 insertions, 0 deletions
diff --git a/lib/gcc/arm-linux-androideabi/7.2.0/include/float.h b/lib/gcc/arm-linux-androideabi/7.2.0/include/float.h new file mode 100644 index 0000000..658017f --- /dev/null +++ b/lib/gcc/arm-linux-androideabi/7.2.0/include/float.h @@ -0,0 +1,506 @@ +/* Copyright (C) 2002-2017 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 3, 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. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + +/* + * ISO C Standard: 5.2.4.2.2 Characteristics of floating types <float.h> + */ + +#ifndef _FLOAT_H___ +#define _FLOAT_H___ + +/* Radix of exponent representation, b. */ +#undef FLT_RADIX +#define FLT_RADIX __FLT_RADIX__ + +/* Number of base-FLT_RADIX digits in the significand, p. */ +#undef FLT_MANT_DIG +#undef DBL_MANT_DIG +#undef LDBL_MANT_DIG +#define FLT_MANT_DIG __FLT_MANT_DIG__ +#define DBL_MANT_DIG __DBL_MANT_DIG__ +#define LDBL_MANT_DIG __LDBL_MANT_DIG__ + +/* Number of decimal digits, q, such that any floating-point number with q + decimal digits can be rounded into a floating-point number with p radix b + digits and back again without change to the q decimal digits, + + p * log10(b) if b is a power of 10 + floor((p - 1) * log10(b)) otherwise +*/ +#undef FLT_DIG +#undef DBL_DIG +#undef LDBL_DIG +#define FLT_DIG __FLT_DIG__ +#define DBL_DIG __DBL_DIG__ +#define LDBL_DIG __LDBL_DIG__ + +/* Minimum int x such that FLT_RADIX**(x-1) is a normalized float, emin */ +#undef FLT_MIN_EXP +#undef DBL_MIN_EXP +#undef LDBL_MIN_EXP +#define FLT_MIN_EXP __FLT_MIN_EXP__ +#define DBL_MIN_EXP __DBL_MIN_EXP__ +#define LDBL_MIN_EXP __LDBL_MIN_EXP__ + +/* Minimum negative integer such that 10 raised to that power is in the + range of normalized floating-point numbers, + + ceil(log10(b) * (emin - 1)) +*/ +#undef FLT_MIN_10_EXP +#undef DBL_MIN_10_EXP +#undef LDBL_MIN_10_EXP +#define FLT_MIN_10_EXP __FLT_MIN_10_EXP__ +#define DBL_MIN_10_EXP __DBL_MIN_10_EXP__ +#define LDBL_MIN_10_EXP __LDBL_MIN_10_EXP__ + +/* Maximum int x such that FLT_RADIX**(x-1) is a representable float, emax. */ +#undef FLT_MAX_EXP +#undef DBL_MAX_EXP +#undef LDBL_MAX_EXP +#define FLT_MAX_EXP __FLT_MAX_EXP__ +#define DBL_MAX_EXP __DBL_MAX_EXP__ +#define LDBL_MAX_EXP __LDBL_MAX_EXP__ + +/* Maximum integer such that 10 raised to that power is in the range of + representable finite floating-point numbers, + + floor(log10((1 - b**-p) * b**emax)) +*/ +#undef FLT_MAX_10_EXP +#undef DBL_MAX_10_EXP +#undef LDBL_MAX_10_EXP +#define FLT_MAX_10_EXP __FLT_MAX_10_EXP__ +#define DBL_MAX_10_EXP __DBL_MAX_10_EXP__ +#define LDBL_MAX_10_EXP __LDBL_MAX_10_EXP__ + +/* Maximum representable finite floating-point number, + + (1 - b**-p) * b**emax +*/ +#undef FLT_MAX +#undef DBL_MAX +#undef LDBL_MAX +#define FLT_MAX __FLT_MAX__ +#define DBL_MAX __DBL_MAX__ +#define LDBL_MAX __LDBL_MAX__ + +/* The difference between 1 and the least value greater than 1 that is + representable in the given floating point type, b**1-p. */ +#undef FLT_EPSILON +#undef DBL_EPSILON +#undef LDBL_EPSILON +#define FLT_EPSILON __FLT_EPSILON__ +#define DBL_EPSILON __DBL_EPSILON__ +#define LDBL_EPSILON __LDBL_EPSILON__ + +/* Minimum normalized positive floating-point number, b**(emin - 1). */ +#undef FLT_MIN +#undef DBL_MIN +#undef LDBL_MIN +#define FLT_MIN __FLT_MIN__ +#define DBL_MIN __DBL_MIN__ +#define LDBL_MIN __LDBL_MIN__ + +/* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown. */ +/* ??? This is supposed to change with calls to fesetround in <fenv.h>. */ +#undef FLT_ROUNDS +#define FLT_ROUNDS 1 + +#if (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) \ + || (defined (__cplusplus) && __cplusplus >= 201103L) +/* The floating-point expression evaluation method. The precise + definitions of these values are generalised to include support for + the interchange and extended types defined in ISO/IEC TS 18661-3. + Prior to this (for C99/C11) the definitions were: + + -1 indeterminate + 0 evaluate all operations and constants just to the range and + precision of the type + 1 evaluate operations and constants of type float and double + to the range and precision of the double type, evaluate + long double operations and constants to the range and + precision of the long double type + 2 evaluate all operations and constants to the range and + precision of the long double type + + The TS 18661-3 definitions are: + + -1 indeterminate + 0 evaluate all operations and constants, whose semantic type has + at most the range and precision of float, to the range and + precision of float; evaluate all other operations and constants + to the range and precision of the semantic type. + 1 evaluate all operations and constants, whose semantic type has + at most the range and precision of double, to the range and + precision of double; evaluate all other operations and constants + to the range and precision of the semantic type. + 2 evaluate all operations and constants, whose semantic type has + at most the range and precision of long double, to the range and + precision of long double; evaluate all other operations and + constants to the range and precision of the semantic type. + N where _FloatN is a supported interchange floating type + evaluate all operations and constants, whose semantic type has + at most the range and precision of the _FloatN type, to the + range and precision of the _FloatN type; evaluate all other + operations and constants to the range and precision of the + semantic type. + N + 1, where _FloatNx is a supported extended floating type + evaluate operations and constants, whose semantic type has at + most the range and precision of the _FloatNx type, to the range + and precision of the _FloatNx type; evaluate all other + operations and constants to the range and precision of the + semantic type. + + The compiler predefines two macros: + + __FLT_EVAL_METHOD__ + Which, depending on the value given for + -fpermitted-flt-eval-methods, may be limited to only those values + for FLT_EVAL_METHOD defined in C99/C11. + + __FLT_EVAL_METHOD_TS_18661_3__ + Which always permits the values for FLT_EVAL_METHOD defined in + ISO/IEC TS 18661-3. + + Here we want to use __FLT_EVAL_METHOD__, unless + __STDC_WANT_IEC_60559_TYPES_EXT__ is defined, in which case the user + is specifically asking for the ISO/IEC TS 18661-3 types, so we use + __FLT_EVAL_METHOD_TS_18661_3__. + + ??? This ought to change with the setting of the fp control word; + the value provided by the compiler assumes the widest setting. */ +#undef FLT_EVAL_METHOD +#ifdef __STDC_WANT_IEC_60559_TYPES_EXT__ +#define FLT_EVAL_METHOD __FLT_EVAL_METHOD_TS_18661_3__ +#else +#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__ +#endif + +/* Number of decimal digits, n, such that any floating-point number in the + widest supported floating type with pmax radix b digits can be rounded + to a floating-point number with n decimal digits and back again without + change to the value, + + pmax * log10(b) if b is a power of 10 + ceil(1 + pmax * log10(b)) otherwise +*/ +#undef DECIMAL_DIG +#define DECIMAL_DIG __DECIMAL_DIG__ + +#endif /* C99 */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L +/* Versions of DECIMAL_DIG for each floating-point type. */ +#undef FLT_DECIMAL_DIG +#undef DBL_DECIMAL_DIG +#undef LDBL_DECIMAL_DIG +#define FLT_DECIMAL_DIG __FLT_DECIMAL_DIG__ +#define DBL_DECIMAL_DIG __DBL_DECIMAL_DIG__ +#define LDBL_DECIMAL_DIG __LDBL_DECIMAL_DIG__ + +/* Whether types support subnormal numbers. */ +#undef FLT_HAS_SUBNORM +#undef DBL_HAS_SUBNORM +#undef LDBL_HAS_SUBNORM +#define FLT_HAS_SUBNORM __FLT_HAS_DENORM__ +#define DBL_HAS_SUBNORM __DBL_HAS_DENORM__ +#define LDBL_HAS_SUBNORM __LDBL_HAS_DENORM__ + +/* Minimum positive values, including subnormals. */ +#undef FLT_TRUE_MIN +#undef DBL_TRUE_MIN +#undef LDBL_TRUE_MIN +#define FLT_TRUE_MIN __FLT_DENORM_MIN__ +#define DBL_TRUE_MIN __DBL_DENORM_MIN__ +#define LDBL_TRUE_MIN __LDBL_DENORM_MIN__ + +#endif /* C11 */ + +#ifdef __STDC_WANT_IEC_60559_BFP_EXT__ +/* Number of decimal digits for which conversions between decimal + character strings and binary formats, in both directions, are + correctly rounded. */ +#define CR_DECIMAL_DIG __UINTMAX_MAX__ +#endif + +#ifdef __STDC_WANT_IEC_60559_TYPES_EXT__ +/* Constants for _FloatN and _FloatNx types from TS 18661-3. See + comments above for their semantics. */ + +#ifdef __FLT16_MANT_DIG__ +#undef FLT16_MANT_DIG +#define FLT16_MANT_DIG __FLT16_MANT_DIG__ +#undef FLT16_DIG +#define FLT16_DIG __FLT16_DIG__ +#undef FLT16_MIN_EXP +#define FLT16_MIN_EXP __FLT16_MIN_EXP__ +#undef FLT16_MIN_10_EXP +#define FLT16_MIN_10_EXP __FLT16_MIN_10_EXP__ +#undef FLT16_MAX_EXP +#define FLT16_MAX_EXP __FLT16_MAX_EXP__ +#undef FLT16_MAX_10_EXP +#define FLT16_MAX_10_EXP __FLT16_MAX_10_EXP__ +#undef FLT16_MAX +#define FLT16_MAX __FLT16_MAX__ +#undef FLT16_EPSILON +#define FLT16_EPSILON __FLT16_EPSILON__ +#undef FLT16_MIN +#define FLT16_MIN __FLT16_MIN__ +#undef FLT16_DECIMAL_DIG +#define FLT16_DECIMAL_DIG __FLT16_DECIMAL_DIG__ +#undef FLT16_TRUE_MIN +#define FLT16_TRUE_MIN __FLT16_DENORM_MIN__ +#endif /* __FLT16_MANT_DIG__. */ + +#ifdef __FLT32_MANT_DIG__ +#undef FLT32_MANT_DIG +#define FLT32_MANT_DIG __FLT32_MANT_DIG__ +#undef FLT32_DIG +#define FLT32_DIG __FLT32_DIG__ +#undef FLT32_MIN_EXP +#define FLT32_MIN_EXP __FLT32_MIN_EXP__ +#undef FLT32_MIN_10_EXP +#define FLT32_MIN_10_EXP __FLT32_MIN_10_EXP__ +#undef FLT32_MAX_EXP +#define FLT32_MAX_EXP __FLT32_MAX_EXP__ +#undef FLT32_MAX_10_EXP +#define FLT32_MAX_10_EXP __FLT32_MAX_10_EXP__ +#undef FLT32_MAX +#define FLT32_MAX __FLT32_MAX__ +#undef FLT32_EPSILON +#define FLT32_EPSILON __FLT32_EPSILON__ +#undef FLT32_MIN +#define FLT32_MIN __FLT32_MIN__ +#undef FLT32_DECIMAL_DIG +#define FLT32_DECIMAL_DIG __FLT32_DECIMAL_DIG__ +#undef FLT32_TRUE_MIN +#define FLT32_TRUE_MIN __FLT32_DENORM_MIN__ +#endif /* __FLT32_MANT_DIG__. */ + +#ifdef __FLT64_MANT_DIG__ +#undef FLT64_MANT_DIG +#define FLT64_MANT_DIG __FLT64_MANT_DIG__ +#undef FLT64_DIG +#define FLT64_DIG __FLT64_DIG__ +#undef FLT64_MIN_EXP +#define FLT64_MIN_EXP __FLT64_MIN_EXP__ +#undef FLT64_MIN_10_EXP +#define FLT64_MIN_10_EXP __FLT64_MIN_10_EXP__ +#undef FLT64_MAX_EXP +#define FLT64_MAX_EXP __FLT64_MAX_EXP__ +#undef FLT64_MAX_10_EXP +#define FLT64_MAX_10_EXP __FLT64_MAX_10_EXP__ +#undef FLT64_MAX +#define FLT64_MAX __FLT64_MAX__ +#undef FLT64_EPSILON +#define FLT64_EPSILON __FLT64_EPSILON__ +#undef FLT64_MIN +#define FLT64_MIN __FLT64_MIN__ +#undef FLT64_DECIMAL_DIG +#define FLT64_DECIMAL_DIG __FLT64_DECIMAL_DIG__ +#undef FLT64_TRUE_MIN +#define FLT64_TRUE_MIN __FLT64_DENORM_MIN__ +#endif /* __FLT64_MANT_DIG__. */ + +#ifdef __FLT128_MANT_DIG__ +#undef FLT128_MANT_DIG +#define FLT128_MANT_DIG __FLT128_MANT_DIG__ +#undef FLT128_DIG +#define FLT128_DIG __FLT128_DIG__ +#undef FLT128_MIN_EXP +#define FLT128_MIN_EXP __FLT128_MIN_EXP__ +#undef FLT128_MIN_10_EXP +#define FLT128_MIN_10_EXP __FLT128_MIN_10_EXP__ +#undef FLT128_MAX_EXP +#define FLT128_MAX_EXP __FLT128_MAX_EXP__ +#undef FLT128_MAX_10_EXP +#define FLT128_MAX_10_EXP __FLT128_MAX_10_EXP__ +#undef FLT128_MAX +#define FLT128_MAX __FLT128_MAX__ +#undef FLT128_EPSILON +#define FLT128_EPSILON __FLT128_EPSILON__ +#undef FLT128_MIN +#define FLT128_MIN __FLT128_MIN__ +#undef FLT128_DECIMAL_DIG +#define FLT128_DECIMAL_DIG __FLT128_DECIMAL_DIG__ +#undef FLT128_TRUE_MIN +#define FLT128_TRUE_MIN __FLT128_DENORM_MIN__ +#endif /* __FLT128_MANT_DIG__. */ + +#ifdef __FLT32X_MANT_DIG__ +#undef FLT32X_MANT_DIG +#define FLT32X_MANT_DIG __FLT32X_MANT_DIG__ +#undef FLT32X_DIG +#define FLT32X_DIG __FLT32X_DIG__ +#undef FLT32X_MIN_EXP +#define FLT32X_MIN_EXP __FLT32X_MIN_EXP__ +#undef FLT32X_MIN_10_EXP +#define FLT32X_MIN_10_EXP __FLT32X_MIN_10_EXP__ +#undef FLT32X_MAX_EXP +#define FLT32X_MAX_EXP __FLT32X_MAX_EXP__ +#undef FLT32X_MAX_10_EXP +#define FLT32X_MAX_10_EXP __FLT32X_MAX_10_EXP__ +#undef FLT32X_MAX +#define FLT32X_MAX __FLT32X_MAX__ +#undef FLT32X_EPSILON +#define FLT32X_EPSILON __FLT32X_EPSILON__ +#undef FLT32X_MIN +#define FLT32X_MIN __FLT32X_MIN__ +#undef FLT32X_DECIMAL_DIG +#define FLT32X_DECIMAL_DIG __FLT32X_DECIMAL_DIG__ +#undef FLT32X_TRUE_MIN +#define FLT32X_TRUE_MIN __FLT32X_DENORM_MIN__ +#endif /* __FLT32X_MANT_DIG__. */ + +#ifdef __FLT64X_MANT_DIG__ +#undef FLT64X_MANT_DIG +#define FLT64X_MANT_DIG __FLT64X_MANT_DIG__ +#undef FLT64X_DIG +#define FLT64X_DIG __FLT64X_DIG__ +#undef FLT64X_MIN_EXP +#define FLT64X_MIN_EXP __FLT64X_MIN_EXP__ +#undef FLT64X_MIN_10_EXP +#define FLT64X_MIN_10_EXP __FLT64X_MIN_10_EXP__ +#undef FLT64X_MAX_EXP +#define FLT64X_MAX_EXP __FLT64X_MAX_EXP__ +#undef FLT64X_MAX_10_EXP +#define FLT64X_MAX_10_EXP __FLT64X_MAX_10_EXP__ +#undef FLT64X_MAX +#define FLT64X_MAX __FLT64X_MAX__ +#undef FLT64X_EPSILON +#define FLT64X_EPSILON __FLT64X_EPSILON__ +#undef FLT64X_MIN +#define FLT64X_MIN __FLT64X_MIN__ +#undef FLT64X_DECIMAL_DIG +#define FLT64X_DECIMAL_DIG __FLT64X_DECIMAL_DIG__ +#undef FLT64X_TRUE_MIN +#define FLT64X_TRUE_MIN __FLT64X_DENORM_MIN__ +#endif /* __FLT64X_MANT_DIG__. */ + +#ifdef __FLT128X_MANT_DIG__ +#undef FLT128X_MANT_DIG +#define FLT128X_MANT_DIG __FLT128X_MANT_DIG__ +#undef FLT128X_DIG +#define FLT128X_DIG __FLT128X_DIG__ +#undef FLT128X_MIN_EXP +#define FLT128X_MIN_EXP __FLT128X_MIN_EXP__ +#undef FLT128X_MIN_10_EXP +#define FLT128X_MIN_10_EXP __FLT128X_MIN_10_EXP__ +#undef FLT128X_MAX_EXP +#define FLT128X_MAX_EXP __FLT128X_MAX_EXP__ +#undef FLT128X_MAX_10_EXP +#define FLT128X_MAX_10_EXP __FLT128X_MAX_10_EXP__ +#undef FLT128X_MAX +#define FLT128X_MAX __FLT128X_MAX__ +#undef FLT128X_EPSILON +#define FLT128X_EPSILON __FLT128X_EPSILON__ +#undef FLT128X_MIN +#define FLT128X_MIN __FLT128X_MIN__ +#undef FLT128X_DECIMAL_DIG +#define FLT128X_DECIMAL_DIG __FLT128X_DECIMAL_DIG__ +#undef FLT128X_TRUE_MIN +#define FLT128X_TRUE_MIN __FLT128X_DENORM_MIN__ +#endif /* __FLT128X_MANT_DIG__. */ + +#endif /* __STDC_WANT_IEC_60559_TYPES_EXT__. */ + +#ifdef __STDC_WANT_DEC_FP__ +/* 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 subnormal positive floating-point number. */ +#undef DEC32_SUBNORMAL_MIN +#undef DEC64_SUBNORMAL_MIN +#undef DEC128_SUBNORMAL_MIN +#define DEC32_SUBNORMAL_MIN __DEC32_SUBNORMAL_MIN__ +#define DEC64_SUBNORMAL_MIN __DEC64_SUBNORMAL_MIN__ +#define DEC128_SUBNORMAL_MIN __DEC128_SUBNORMAL_MIN__ + +/* 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 DEC_EVAL_METHOD +#define DEC_EVAL_METHOD __DEC_EVAL_METHOD__ + +#endif /* __STDC_WANT_DEC_FP__ */ + +#endif /* _FLOAT_H___ */ |