| // The template and inlines for the numeric_limits classes. -*- C++ -*- |
| |
| // Copyright (C) 1999-2016 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library 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. |
| |
| // This library 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/>. |
| |
| /** @file include/limits |
| * This is a Standard C++ Library header. |
| */ |
| |
| // Note: this is not a conforming implementation. |
| // Written by Gabriel Dos Reis <gdr@codesourcery.com> |
| |
| // |
| // ISO 14882:1998 |
| // 18.2.1 |
| // |
| |
| #ifndef _GLIBCXX_NUMERIC_LIMITS |
| #define _GLIBCXX_NUMERIC_LIMITS 1 |
| |
| #pragma GCC system_header |
| |
| #include <bits/c++config.h> |
| |
| // |
| // The numeric_limits<> traits document implementation-defined aspects |
| // of fundamental arithmetic data types (integers and floating points). |
| // From Standard C++ point of view, there are 14 such types: |
| // * integers |
| // bool (1) |
| // char, signed char, unsigned char, wchar_t (4) |
| // short, unsigned short (2) |
| // int, unsigned (2) |
| // long, unsigned long (2) |
| // |
| // * floating points |
| // float (1) |
| // double (1) |
| // long double (1) |
| // |
| // GNU C++ understands (where supported by the host C-library) |
| // * integer |
| // long long, unsigned long long (2) |
| // |
| // which brings us to 16 fundamental arithmetic data types in GNU C++. |
| // |
| // |
| // Since a numeric_limits<> is a bit tricky to get right, we rely on |
| // an interface composed of macros which should be defined in config/os |
| // or config/cpu when they differ from the generic (read arbitrary) |
| // definitions given here. |
| // |
| |
| // These values can be overridden in the target configuration file. |
| // The default values are appropriate for many 32-bit targets. |
| |
| // GCC only intrinsically supports modulo integral types. The only remaining |
| // integral exceptional values is division by zero. Only targets that do not |
| // signal division by zero in some "hard to ignore" way should use false. |
| #ifndef __glibcxx_integral_traps |
| # define __glibcxx_integral_traps true |
| #endif |
| |
| // float |
| // |
| |
| // Default values. Should be overridden in configuration files if necessary. |
| |
| #ifndef __glibcxx_float_has_denorm_loss |
| # define __glibcxx_float_has_denorm_loss false |
| #endif |
| #ifndef __glibcxx_float_traps |
| # define __glibcxx_float_traps false |
| #endif |
| #ifndef __glibcxx_float_tinyness_before |
| # define __glibcxx_float_tinyness_before false |
| #endif |
| |
| // double |
| |
| // Default values. Should be overridden in configuration files if necessary. |
| |
| #ifndef __glibcxx_double_has_denorm_loss |
| # define __glibcxx_double_has_denorm_loss false |
| #endif |
| #ifndef __glibcxx_double_traps |
| # define __glibcxx_double_traps false |
| #endif |
| #ifndef __glibcxx_double_tinyness_before |
| # define __glibcxx_double_tinyness_before false |
| #endif |
| |
| // long double |
| |
| // Default values. Should be overridden in configuration files if necessary. |
| |
| #ifndef __glibcxx_long_double_has_denorm_loss |
| # define __glibcxx_long_double_has_denorm_loss false |
| #endif |
| #ifndef __glibcxx_long_double_traps |
| # define __glibcxx_long_double_traps false |
| #endif |
| #ifndef __glibcxx_long_double_tinyness_before |
| # define __glibcxx_long_double_tinyness_before false |
| #endif |
| |
| // You should not need to define any macros below this point. |
| |
| #define __glibcxx_signed_b(T,B) ((T)(-1) < 0) |
| |
| #define __glibcxx_min_b(T,B) \ |
| (__glibcxx_signed_b (T,B) ? -__glibcxx_max_b (T,B) - 1 : (T)0) |
| |
| #define __glibcxx_max_b(T,B) \ |
| (__glibcxx_signed_b (T,B) ? \ |
| (((((T)1 << (__glibcxx_digits_b (T,B) - 1)) - 1) << 1) + 1) : ~(T)0) |
| |
| #define __glibcxx_digits_b(T,B) \ |
| (B - __glibcxx_signed_b (T,B)) |
| |
| // The fraction 643/2136 approximates log10(2) to 7 significant digits. |
| #define __glibcxx_digits10_b(T,B) \ |
| (__glibcxx_digits_b (T,B) * 643L / 2136) |
| |
| #define __glibcxx_signed(T) \ |
| __glibcxx_signed_b (T, sizeof(T) * __CHAR_BIT__) |
| #define __glibcxx_min(T) \ |
| __glibcxx_min_b (T, sizeof(T) * __CHAR_BIT__) |
| #define __glibcxx_max(T) \ |
| __glibcxx_max_b (T, sizeof(T) * __CHAR_BIT__) |
| #define __glibcxx_digits(T) \ |
| __glibcxx_digits_b (T, sizeof(T) * __CHAR_BIT__) |
| #define __glibcxx_digits10(T) \ |
| __glibcxx_digits10_b (T, sizeof(T) * __CHAR_BIT__) |
| |
| #define __glibcxx_max_digits10(T) \ |
| (2 + (T) * 643L / 2136) |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| /** |
| * @brief Describes the rounding style for floating-point types. |
| * |
| * This is used in the std::numeric_limits class. |
| */ |
| enum float_round_style |
| { |
| round_indeterminate = -1, /// Intermediate. |
| round_toward_zero = 0, /// To zero. |
| round_to_nearest = 1, /// To the nearest representable value. |
| round_toward_infinity = 2, /// To infinity. |
| round_toward_neg_infinity = 3 /// To negative infinity. |
| }; |
| |
| /** |
| * @brief Describes the denormalization for floating-point types. |
| * |
| * These values represent the presence or absence of a variable number |
| * of exponent bits. This type is used in the std::numeric_limits class. |
| */ |
| enum float_denorm_style |
| { |
| /// Indeterminate at compile time whether denormalized values are allowed. |
| denorm_indeterminate = -1, |
| /// The type does not allow denormalized values. |
| denorm_absent = 0, |
| /// The type allows denormalized values. |
| denorm_present = 1 |
| }; |
| |
| /** |
| * @brief Part of std::numeric_limits. |
| * |
| * The @c static @c const members are usable as integral constant |
| * expressions. |
| * |
| * @note This is a separate class for purposes of efficiency; you |
| * should only access these members as part of an instantiation |
| * of the std::numeric_limits class. |
| */ |
| struct __numeric_limits_base |
| { |
| /** This will be true for all fundamental types (which have |
| specializations), and false for everything else. */ |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = false; |
| |
| /** The number of @c radix digits that be represented without change: for |
| integer types, the number of non-sign bits in the mantissa; for |
| floating types, the number of @c radix digits in the mantissa. */ |
| static _GLIBCXX_USE_CONSTEXPR int digits = 0; |
| |
| /** The number of base 10 digits that can be represented without change. */ |
| static _GLIBCXX_USE_CONSTEXPR int digits10 = 0; |
| |
| #if __cplusplus >= 201103L |
| /** The number of base 10 digits required to ensure that values which |
| differ are always differentiated. */ |
| static constexpr int max_digits10 = 0; |
| #endif |
| |
| /** True if the type is signed. */ |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| |
| /** True if the type is integer. */ |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; |
| |
| /** True if the type uses an exact representation. All integer types are |
| exact, but not all exact types are integer. For example, rational and |
| fixed-exponent representations are exact but not integer. */ |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; |
| |
| /** For integer types, specifies the base of the representation. For |
| floating types, specifies the base of the exponent representation. */ |
| static _GLIBCXX_USE_CONSTEXPR int radix = 0; |
| |
| /** The minimum negative integer such that @c radix raised to the power of |
| (one less than that integer) is a normalized floating point number. */ |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| |
| /** The minimum negative integer such that 10 raised to that power is in |
| the range of normalized floating point numbers. */ |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| |
| /** The maximum positive integer such that @c radix raised to the power of |
| (one less than that integer) is a representable finite floating point |
| number. */ |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| |
| /** The maximum positive integer such that 10 raised to that power is in |
| the range of representable finite floating point numbers. */ |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| /** True if the type has a representation for positive infinity. */ |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| |
| /** True if the type has a representation for a quiet (non-signaling) |
| Not a Number. */ |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| |
| /** True if the type has a representation for a signaling |
| Not a Number. */ |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| |
| /** See std::float_denorm_style for more information. */ |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm = denorm_absent; |
| |
| /** True if loss of accuracy is detected as a denormalization loss, |
| rather than as an inexact result. */ |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| /** True if-and-only-if the type adheres to the IEC 559 standard, also |
| known as IEEE 754. (Only makes sense for floating point types.) */ |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| |
| /** True if the set of values representable by the type is |
| finite. All built-in types are bounded, this member would be |
| false for arbitrary precision types. */ |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = false; |
| |
| /** True if the type is @e modulo. A type is modulo if, for any |
| operation involving +, -, or * on values of that type whose |
| result would fall outside the range [min(),max()], the value |
| returned differs from the true value by an integer multiple of |
| max() - min() + 1. On most machines, this is false for floating |
| types, true for unsigned integers, and true for signed integers. |
| See PR22200 about signed integers. */ |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
| |
| /** True if trapping is implemented for this type. */ |
| static _GLIBCXX_USE_CONSTEXPR bool traps = false; |
| |
| /** True if tininess is detected before rounding. (see IEC 559) */ |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| |
| /** See std::float_round_style for more information. This is only |
| meaningful for floating types; integer types will all be |
| round_toward_zero. */ |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style = |
| round_toward_zero; |
| }; |
| |
| /** |
| * @brief Properties of fundamental types. |
| * |
| * This class allows a program to obtain information about the |
| * representation of a fundamental type on a given platform. For |
| * non-fundamental types, the functions will return 0 and the data |
| * members will all be @c false. |
| * |
| * _GLIBCXX_RESOLVE_LIB_DEFECTS: DRs 201 and 184 (hi Gaby!) are |
| * noted, but not incorporated in this documented (yet). |
| */ |
| template<typename _Tp> |
| struct numeric_limits : public __numeric_limits_base |
| { |
| /** The minimum finite value, or for floating types with |
| denormalization, the minimum positive normalized value. */ |
| static _GLIBCXX_CONSTEXPR _Tp |
| min() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
| |
| /** The maximum finite value. */ |
| static _GLIBCXX_CONSTEXPR _Tp |
| max() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
| |
| #if __cplusplus >= 201103L |
| /** A finite value x such that there is no other finite value y |
| * where y < x. */ |
| static constexpr _Tp |
| lowest() noexcept { return _Tp(); } |
| #endif |
| |
| /** The @e machine @e epsilon: the difference between 1 and the least |
| value greater than 1 that is representable. */ |
| static _GLIBCXX_CONSTEXPR _Tp |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
| |
| /** The maximum rounding error measurement (see LIA-1). */ |
| static _GLIBCXX_CONSTEXPR _Tp |
| round_error() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
| |
| /** The representation of positive infinity, if @c has_infinity. */ |
| static _GLIBCXX_CONSTEXPR _Tp |
| infinity() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
| |
| /** The representation of a quiet Not a Number, |
| if @c has_quiet_NaN. */ |
| static _GLIBCXX_CONSTEXPR _Tp |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
| |
| /** The representation of a signaling Not a Number, if |
| @c has_signaling_NaN. */ |
| static _GLIBCXX_CONSTEXPR _Tp |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
| |
| /** The minimum positive denormalized value. For types where |
| @c has_denorm is false, this is the minimum positive normalized |
| value. */ |
| static _GLIBCXX_CONSTEXPR _Tp |
| denorm_min() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
| }; |
| |
| #if __cplusplus >= 201103L |
| template<typename _Tp> |
| struct numeric_limits<const _Tp> |
| : public numeric_limits<_Tp> { }; |
| |
| template<typename _Tp> |
| struct numeric_limits<volatile _Tp> |
| : public numeric_limits<_Tp> { }; |
| |
| template<typename _Tp> |
| struct numeric_limits<const volatile _Tp> |
| : public numeric_limits<_Tp> { }; |
| #endif |
| |
| // Now there follow 16 explicit specializations. Yes, 16. Make sure |
| // you get the count right. (18 in c++0x mode) |
| |
| /// numeric_limits<bool> specialization. |
| template<> |
| struct numeric_limits<bool> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR bool |
| min() _GLIBCXX_USE_NOEXCEPT { return false; } |
| |
| static _GLIBCXX_CONSTEXPR bool |
| max() _GLIBCXX_USE_NOEXCEPT { return true; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr bool |
| lowest() noexcept { return min(); } |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR int digits = 1; |
| static _GLIBCXX_USE_CONSTEXPR int digits10 = 0; |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR bool |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return false; } |
| |
| static _GLIBCXX_CONSTEXPR bool |
| round_error() _GLIBCXX_USE_NOEXCEPT { return false; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR bool |
| infinity() _GLIBCXX_USE_NOEXCEPT { return false; } |
| |
| static _GLIBCXX_CONSTEXPR bool |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return false; } |
| |
| static _GLIBCXX_CONSTEXPR bool |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return false; } |
| |
| static _GLIBCXX_CONSTEXPR bool |
| denorm_min() _GLIBCXX_USE_NOEXCEPT { return false; } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
| |
| // It is not clear what it means for a boolean type to trap. |
| // This is a DR on the LWG issue list. Here, I use integer |
| // promotion semantics. |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| /// numeric_limits<char> specialization. |
| template<> |
| struct numeric_limits<char> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR char |
| min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min(char); } |
| |
| static _GLIBCXX_CONSTEXPR char |
| max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max(char); } |
| |
| #if __cplusplus >= 201103L |
| static constexpr char |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (char); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (char); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = __glibcxx_signed (char); |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR char |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR char |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR |
| char infinity() _GLIBCXX_USE_NOEXCEPT { return char(); } |
| |
| static _GLIBCXX_CONSTEXPR char |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return char(); } |
| |
| static _GLIBCXX_CONSTEXPR char |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return char(); } |
| |
| static _GLIBCXX_CONSTEXPR char |
| denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<char>(0); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = !is_signed; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| /// numeric_limits<signed char> specialization. |
| template<> |
| struct numeric_limits<signed char> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR signed char |
| min() _GLIBCXX_USE_NOEXCEPT { return -__SCHAR_MAX__ - 1; } |
| |
| static _GLIBCXX_CONSTEXPR signed char |
| max() _GLIBCXX_USE_NOEXCEPT { return __SCHAR_MAX__; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr signed char |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (signed char); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 |
| = __glibcxx_digits10 (signed char); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR signed char |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR signed char |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR signed char |
| infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<signed char>(0); } |
| |
| static _GLIBCXX_CONSTEXPR signed char |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<signed char>(0); } |
| |
| static _GLIBCXX_CONSTEXPR signed char |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<signed char>(0); } |
| |
| static _GLIBCXX_CONSTEXPR signed char |
| denorm_min() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<signed char>(0); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| /// numeric_limits<unsigned char> specialization. |
| template<> |
| struct numeric_limits<unsigned char> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR unsigned char |
| min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR unsigned char |
| max() _GLIBCXX_USE_NOEXCEPT { return __SCHAR_MAX__ * 2U + 1; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr unsigned char |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits |
| = __glibcxx_digits (unsigned char); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 |
| = __glibcxx_digits10 (unsigned char); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR unsigned char |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR unsigned char |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR unsigned char |
| infinity() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned char>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned char |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned char>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned char |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned char>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned char |
| denorm_min() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned char>(0); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| /// numeric_limits<wchar_t> specialization. |
| template<> |
| struct numeric_limits<wchar_t> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR wchar_t |
| min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min (wchar_t); } |
| |
| static _GLIBCXX_CONSTEXPR wchar_t |
| max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max (wchar_t); } |
| |
| #if __cplusplus >= 201103L |
| static constexpr wchar_t |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (wchar_t); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 |
| = __glibcxx_digits10 (wchar_t); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = __glibcxx_signed (wchar_t); |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR wchar_t |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR wchar_t |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR wchar_t |
| infinity() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
| |
| static _GLIBCXX_CONSTEXPR wchar_t |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
| |
| static _GLIBCXX_CONSTEXPR wchar_t |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
| |
| static _GLIBCXX_CONSTEXPR wchar_t |
| denorm_min() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = !is_signed; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| #if __cplusplus >= 201103L |
| /// numeric_limits<char16_t> specialization. |
| template<> |
| struct numeric_limits<char16_t> |
| { |
| static constexpr bool is_specialized = true; |
| |
| static constexpr char16_t |
| min() noexcept { return __glibcxx_min (char16_t); } |
| |
| static constexpr char16_t |
| max() noexcept { return __glibcxx_max (char16_t); } |
| |
| static constexpr char16_t |
| lowest() noexcept { return min(); } |
| |
| static constexpr int digits = __glibcxx_digits (char16_t); |
| static constexpr int digits10 = __glibcxx_digits10 (char16_t); |
| static constexpr int max_digits10 = 0; |
| static constexpr bool is_signed = __glibcxx_signed (char16_t); |
| static constexpr bool is_integer = true; |
| static constexpr bool is_exact = true; |
| static constexpr int radix = 2; |
| |
| static constexpr char16_t |
| epsilon() noexcept { return 0; } |
| |
| static constexpr char16_t |
| round_error() noexcept { return 0; } |
| |
| static constexpr int min_exponent = 0; |
| static constexpr int min_exponent10 = 0; |
| static constexpr int max_exponent = 0; |
| static constexpr int max_exponent10 = 0; |
| |
| static constexpr bool has_infinity = false; |
| static constexpr bool has_quiet_NaN = false; |
| static constexpr bool has_signaling_NaN = false; |
| static constexpr float_denorm_style has_denorm = denorm_absent; |
| static constexpr bool has_denorm_loss = false; |
| |
| static constexpr char16_t |
| infinity() noexcept { return char16_t(); } |
| |
| static constexpr char16_t |
| quiet_NaN() noexcept { return char16_t(); } |
| |
| static constexpr char16_t |
| signaling_NaN() noexcept { return char16_t(); } |
| |
| static constexpr char16_t |
| denorm_min() noexcept { return char16_t(); } |
| |
| static constexpr bool is_iec559 = false; |
| static constexpr bool is_bounded = true; |
| static constexpr bool is_modulo = !is_signed; |
| |
| static constexpr bool traps = __glibcxx_integral_traps; |
| static constexpr bool tinyness_before = false; |
| static constexpr float_round_style round_style = round_toward_zero; |
| }; |
| |
| /// numeric_limits<char32_t> specialization. |
| template<> |
| struct numeric_limits<char32_t> |
| { |
| static constexpr bool is_specialized = true; |
| |
| static constexpr char32_t |
| min() noexcept { return __glibcxx_min (char32_t); } |
| |
| static constexpr char32_t |
| max() noexcept { return __glibcxx_max (char32_t); } |
| |
| static constexpr char32_t |
| lowest() noexcept { return min(); } |
| |
| static constexpr int digits = __glibcxx_digits (char32_t); |
| static constexpr int digits10 = __glibcxx_digits10 (char32_t); |
| static constexpr int max_digits10 = 0; |
| static constexpr bool is_signed = __glibcxx_signed (char32_t); |
| static constexpr bool is_integer = true; |
| static constexpr bool is_exact = true; |
| static constexpr int radix = 2; |
| |
| static constexpr char32_t |
| epsilon() noexcept { return 0; } |
| |
| static constexpr char32_t |
| round_error() noexcept { return 0; } |
| |
| static constexpr int min_exponent = 0; |
| static constexpr int min_exponent10 = 0; |
| static constexpr int max_exponent = 0; |
| static constexpr int max_exponent10 = 0; |
| |
| static constexpr bool has_infinity = false; |
| static constexpr bool has_quiet_NaN = false; |
| static constexpr bool has_signaling_NaN = false; |
| static constexpr float_denorm_style has_denorm = denorm_absent; |
| static constexpr bool has_denorm_loss = false; |
| |
| static constexpr char32_t |
| infinity() noexcept { return char32_t(); } |
| |
| static constexpr char32_t |
| quiet_NaN() noexcept { return char32_t(); } |
| |
| static constexpr char32_t |
| signaling_NaN() noexcept { return char32_t(); } |
| |
| static constexpr char32_t |
| denorm_min() noexcept { return char32_t(); } |
| |
| static constexpr bool is_iec559 = false; |
| static constexpr bool is_bounded = true; |
| static constexpr bool is_modulo = !is_signed; |
| |
| static constexpr bool traps = __glibcxx_integral_traps; |
| static constexpr bool tinyness_before = false; |
| static constexpr float_round_style round_style = round_toward_zero; |
| }; |
| #endif |
| |
| /// numeric_limits<short> specialization. |
| template<> |
| struct numeric_limits<short> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR short |
| min() _GLIBCXX_USE_NOEXCEPT { return -__SHRT_MAX__ - 1; } |
| |
| static _GLIBCXX_CONSTEXPR short |
| max() _GLIBCXX_USE_NOEXCEPT { return __SHRT_MAX__; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr short |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (short); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (short); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR short |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR short |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR short |
| infinity() _GLIBCXX_USE_NOEXCEPT { return short(); } |
| |
| static _GLIBCXX_CONSTEXPR short |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return short(); } |
| |
| static _GLIBCXX_CONSTEXPR short |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return short(); } |
| |
| static _GLIBCXX_CONSTEXPR short |
| denorm_min() _GLIBCXX_USE_NOEXCEPT { return short(); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| /// numeric_limits<unsigned short> specialization. |
| template<> |
| struct numeric_limits<unsigned short> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR unsigned short |
| min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR unsigned short |
| max() _GLIBCXX_USE_NOEXCEPT { return __SHRT_MAX__ * 2U + 1; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr unsigned short |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits |
| = __glibcxx_digits (unsigned short); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 |
| = __glibcxx_digits10 (unsigned short); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR unsigned short |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR unsigned short |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR unsigned short |
| infinity() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned short>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned short |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned short>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned short |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned short>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned short |
| denorm_min() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned short>(0); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| /// numeric_limits<int> specialization. |
| template<> |
| struct numeric_limits<int> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR int |
| min() _GLIBCXX_USE_NOEXCEPT { return -__INT_MAX__ - 1; } |
| |
| static _GLIBCXX_CONSTEXPR int |
| max() _GLIBCXX_USE_NOEXCEPT { return __INT_MAX__; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr int |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (int); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (int); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR int |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR int |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR int |
| infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
| |
| static _GLIBCXX_CONSTEXPR int |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
| |
| static _GLIBCXX_CONSTEXPR int |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
| |
| static _GLIBCXX_CONSTEXPR int |
| denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| /// numeric_limits<unsigned int> specialization. |
| template<> |
| struct numeric_limits<unsigned int> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR unsigned int |
| min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR unsigned int |
| max() _GLIBCXX_USE_NOEXCEPT { return __INT_MAX__ * 2U + 1; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr unsigned int |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits |
| = __glibcxx_digits (unsigned int); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 |
| = __glibcxx_digits10 (unsigned int); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR unsigned int |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR unsigned int |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR unsigned int |
| infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<unsigned int>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned int |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned int>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned int |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned int>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned int |
| denorm_min() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned int>(0); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| /// numeric_limits<long> specialization. |
| template<> |
| struct numeric_limits<long> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR long |
| min() _GLIBCXX_USE_NOEXCEPT { return -__LONG_MAX__ - 1; } |
| |
| static _GLIBCXX_CONSTEXPR long |
| max() _GLIBCXX_USE_NOEXCEPT { return __LONG_MAX__; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr long |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (long); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (long); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR long |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR long |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR long |
| infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR long |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR long |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR long |
| denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| /// numeric_limits<unsigned long> specialization. |
| template<> |
| struct numeric_limits<unsigned long> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR unsigned long |
| min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR unsigned long |
| max() _GLIBCXX_USE_NOEXCEPT { return __LONG_MAX__ * 2UL + 1; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr unsigned long |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits |
| = __glibcxx_digits (unsigned long); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 |
| = __glibcxx_digits10 (unsigned long); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR unsigned long |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR unsigned long |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR unsigned long |
| infinity() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned long |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned long |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned long |
| denorm_min() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned long>(0); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| /// numeric_limits<long long> specialization. |
| template<> |
| struct numeric_limits<long long> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR long long |
| min() _GLIBCXX_USE_NOEXCEPT { return -__LONG_LONG_MAX__ - 1; } |
| |
| static _GLIBCXX_CONSTEXPR long long |
| max() _GLIBCXX_USE_NOEXCEPT { return __LONG_LONG_MAX__; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr long long |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits |
| = __glibcxx_digits (long long); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 |
| = __glibcxx_digits10 (long long); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR long long |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR long long |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR long long |
| infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<long long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR long long |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<long long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR long long |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<long long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR long long |
| denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<long long>(0); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| /// numeric_limits<unsigned long long> specialization. |
| template<> |
| struct numeric_limits<unsigned long long> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR unsigned long long |
| min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR unsigned long long |
| max() _GLIBCXX_USE_NOEXCEPT { return __LONG_LONG_MAX__ * 2ULL + 1; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr unsigned long long |
| lowest() noexcept { return min(); } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits |
| = __glibcxx_digits (unsigned long long); |
| static _GLIBCXX_USE_CONSTEXPR int digits10 |
| = __glibcxx_digits10 (unsigned long long); |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 = 0; |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
| |
| static _GLIBCXX_CONSTEXPR unsigned long long |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_CONSTEXPR unsigned long long |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
| |
| static _GLIBCXX_CONSTEXPR unsigned long long |
| infinity() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned long long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned long long |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned long long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned long long |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned long long>(0); } |
| |
| static _GLIBCXX_CONSTEXPR unsigned long long |
| denorm_min() _GLIBCXX_USE_NOEXCEPT |
| { return static_cast<unsigned long long>(0); } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_toward_zero; |
| }; |
| |
| #if !defined(__STRICT_ANSI__) |
| |
| #define __INT_N(TYPE, BITSIZE, EXT, UEXT) \ |
| template<> \ |
| struct numeric_limits<TYPE> \ |
| { \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; \ |
| \ |
| static _GLIBCXX_CONSTEXPR TYPE \ |
| min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min_b (TYPE, BITSIZE); } \ |
| \ |
| static _GLIBCXX_CONSTEXPR TYPE \ |
| max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max_b (TYPE, BITSIZE); } \ |
| \ |
| static _GLIBCXX_USE_CONSTEXPR int digits \ |
| = BITSIZE - 1; \ |
| static _GLIBCXX_USE_CONSTEXPR int digits10 \ |
| = (BITSIZE - 1) * 643L / 2136; \ |
| \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; \ |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; \ |
| \ |
| static _GLIBCXX_CONSTEXPR TYPE \ |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } \ |
| \ |
| static _GLIBCXX_CONSTEXPR TYPE \ |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } \ |
| \ |
| EXT \ |
| \ |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; \ |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; \ |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; \ |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; \ |
| \ |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; \ |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; \ |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; \ |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm \ |
| = denorm_absent; \ |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; \ |
| \ |
| static _GLIBCXX_CONSTEXPR TYPE \ |
| infinity() _GLIBCXX_USE_NOEXCEPT \ |
| { return static_cast<TYPE>(0); } \ |
| \ |
| static _GLIBCXX_CONSTEXPR TYPE \ |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT \ |
| { return static_cast<TYPE>(0); } \ |
| \ |
| static _GLIBCXX_CONSTEXPR TYPE \ |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT \ |
| { return static_cast<TYPE>(0); } \ |
| \ |
| static _GLIBCXX_CONSTEXPR TYPE \ |
| denorm_min() _GLIBCXX_USE_NOEXCEPT \ |
| { return static_cast<TYPE>(0); } \ |
| \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; \ |
| \ |
| static _GLIBCXX_USE_CONSTEXPR bool traps \ |
| = __glibcxx_integral_traps; \ |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; \ |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style \ |
| = round_toward_zero; \ |
| }; \ |
| \ |
| template<> \ |
| struct numeric_limits<unsigned TYPE> \ |
| { \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; \ |
| \ |
| static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
| min() _GLIBCXX_USE_NOEXCEPT { return 0; } \ |
| \ |
| static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
| max() _GLIBCXX_USE_NOEXCEPT \ |
| { return __glibcxx_max_b (unsigned TYPE, BITSIZE); } \ |
| \ |
| UEXT \ |
| \ |
| static _GLIBCXX_USE_CONSTEXPR int digits \ |
| = BITSIZE; \ |
| static _GLIBCXX_USE_CONSTEXPR int digits10 \ |
| = BITSIZE * 643L / 2136; \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; \ |
| static _GLIBCXX_USE_CONSTEXPR int radix = 2; \ |
| \ |
| static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } \ |
| \ |
| static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } \ |
| \ |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; \ |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; \ |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; \ |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; \ |
| \ |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; \ |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; \ |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; \ |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm \ |
| = denorm_absent; \ |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; \ |
| \ |
| static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
| infinity() _GLIBCXX_USE_NOEXCEPT \ |
| { return static_cast<unsigned TYPE>(0); } \ |
| \ |
| static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT \ |
| { return static_cast<unsigned TYPE>(0); } \ |
| \ |
| static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT \ |
| { return static_cast<unsigned TYPE>(0); } \ |
| \ |
| static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
| denorm_min() _GLIBCXX_USE_NOEXCEPT \ |
| { return static_cast<unsigned TYPE>(0); } \ |
| \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; \ |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; \ |
| \ |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; \ |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; \ |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style \ |
| = round_toward_zero; \ |
| }; |
| |
| #if __cplusplus >= 201103L |
| |
| #define __INT_N_201103(TYPE) \ |
| static constexpr TYPE \ |
| lowest() noexcept { return min(); } \ |
| static constexpr int max_digits10 = 0; |
| |
| #define __INT_N_U201103(TYPE) \ |
| static constexpr unsigned TYPE \ |
| lowest() noexcept { return min(); } \ |
| static constexpr int max_digits10 = 0; |
| |
| #else |
| #define __INT_N_201103(TYPE) |
| #define __INT_N_U201103(TYPE) |
| #endif |
| |
| #ifdef __GLIBCXX_TYPE_INT_N_0 |
| __INT_N(__GLIBCXX_TYPE_INT_N_0, __GLIBCXX_BITSIZE_INT_N_0, |
| __INT_N_201103 (__GLIBCXX_TYPE_INT_N_0), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_0)) |
| #endif |
| #ifdef __GLIBCXX_TYPE_INT_N_1 |
| __INT_N (__GLIBCXX_TYPE_INT_N_1, __GLIBCXX_BITSIZE_INT_N_1, |
| __INT_N_201103 (__GLIBCXX_TYPE_INT_N_1), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_1)) |
| #endif |
| #ifdef __GLIBCXX_TYPE_INT_N_2 |
| __INT_N (__GLIBCXX_TYPE_INT_N_2, __GLIBCXX_BITSIZE_INT_N_2, |
| __INT_N_201103 (__GLIBCXX_TYPE_INT_N_2), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_2)) |
| #endif |
| #ifdef __GLIBCXX_TYPE_INT_N_3 |
| __INT_N (__GLIBCXX_TYPE_INT_N_3, __GLIBCXX_BITSIZE_INT_N_3, |
| __INT_N_201103 (__GLIBCXX_TYPE_INT_N_3), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_3)) |
| #endif |
| |
| #undef __INT_N |
| #undef __INT_N_201103 |
| #undef __INT_N_U201103 |
| |
| #endif |
| |
| /// numeric_limits<float> specialization. |
| template<> |
| struct numeric_limits<float> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR float |
| min() _GLIBCXX_USE_NOEXCEPT { return __FLT_MIN__; } |
| |
| static _GLIBCXX_CONSTEXPR float |
| max() _GLIBCXX_USE_NOEXCEPT { return __FLT_MAX__; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr float |
| lowest() noexcept { return -__FLT_MAX__; } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits = __FLT_MANT_DIG__; |
| static _GLIBCXX_USE_CONSTEXPR int digits10 = __FLT_DIG__; |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 |
| = __glibcxx_max_digits10 (__FLT_MANT_DIG__); |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; |
| static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; |
| |
| static _GLIBCXX_CONSTEXPR float |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return __FLT_EPSILON__; } |
| |
| static _GLIBCXX_CONSTEXPR float |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5F; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = __FLT_MIN_EXP__; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __FLT_MIN_10_EXP__; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = __FLT_MAX_EXP__; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __FLT_MAX_10_EXP__; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __FLT_HAS_INFINITY__; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __FLT_HAS_QUIET_NAN__; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = bool(__FLT_HAS_DENORM__) ? denorm_present : denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
| = __glibcxx_float_has_denorm_loss; |
| |
| static _GLIBCXX_CONSTEXPR float |
| infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_valf(); } |
| |
| static _GLIBCXX_CONSTEXPR float |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nanf(""); } |
| |
| static _GLIBCXX_CONSTEXPR float |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nansf(""); } |
| |
| static _GLIBCXX_CONSTEXPR float |
| denorm_min() _GLIBCXX_USE_NOEXCEPT { return __FLT_DENORM_MIN__; } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 |
| = has_infinity && has_quiet_NaN && has_denorm == denorm_present; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_float_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before |
| = __glibcxx_float_tinyness_before; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_to_nearest; |
| }; |
| |
| #undef __glibcxx_float_has_denorm_loss |
| #undef __glibcxx_float_traps |
| #undef __glibcxx_float_tinyness_before |
| |
| /// numeric_limits<double> specialization. |
| template<> |
| struct numeric_limits<double> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR double |
| min() _GLIBCXX_USE_NOEXCEPT { return __DBL_MIN__; } |
| |
| static _GLIBCXX_CONSTEXPR double |
| max() _GLIBCXX_USE_NOEXCEPT { return __DBL_MAX__; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr double |
| lowest() noexcept { return -__DBL_MAX__; } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits = __DBL_MANT_DIG__; |
| static _GLIBCXX_USE_CONSTEXPR int digits10 = __DBL_DIG__; |
| #if __cplusplus >= 201103L |
| static constexpr int max_digits10 |
| = __glibcxx_max_digits10 (__DBL_MANT_DIG__); |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; |
| static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; |
| |
| static _GLIBCXX_CONSTEXPR double |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return __DBL_EPSILON__; } |
| |
| static _GLIBCXX_CONSTEXPR double |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = __DBL_MIN_EXP__; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __DBL_MIN_10_EXP__; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = __DBL_MAX_EXP__; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __DBL_MAX_10_EXP__; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __DBL_HAS_INFINITY__; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __DBL_HAS_QUIET_NAN__; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = bool(__DBL_HAS_DENORM__) ? denorm_present : denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
| = __glibcxx_double_has_denorm_loss; |
| |
| static _GLIBCXX_CONSTEXPR double |
| infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_val(); } |
| |
| static _GLIBCXX_CONSTEXPR double |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nan(""); } |
| |
| static _GLIBCXX_CONSTEXPR double |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nans(""); } |
| |
| static _GLIBCXX_CONSTEXPR double |
| denorm_min() _GLIBCXX_USE_NOEXCEPT { return __DBL_DENORM_MIN__; } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 |
| = has_infinity && has_quiet_NaN && has_denorm == denorm_present; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_double_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before |
| = __glibcxx_double_tinyness_before; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
| = round_to_nearest; |
| }; |
| |
| #undef __glibcxx_double_has_denorm_loss |
| #undef __glibcxx_double_traps |
| #undef __glibcxx_double_tinyness_before |
| |
| /// numeric_limits<long double> specialization. |
| template<> |
| struct numeric_limits<long double> |
| { |
| static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| |
| static _GLIBCXX_CONSTEXPR long double |
| min() _GLIBCXX_USE_NOEXCEPT { return __LDBL_MIN__; } |
| |
| static _GLIBCXX_CONSTEXPR long double |
| max() _GLIBCXX_USE_NOEXCEPT { return __LDBL_MAX__; } |
| |
| #if __cplusplus >= 201103L |
| static constexpr long double |
| lowest() noexcept { return -__LDBL_MAX__; } |
| #endif |
| |
| static _GLIBCXX_USE_CONSTEXPR int digits = __LDBL_MANT_DIG__; |
| static _GLIBCXX_USE_CONSTEXPR int digits10 = __LDBL_DIG__; |
| #if __cplusplus >= 201103L |
| static _GLIBCXX_USE_CONSTEXPR int max_digits10 |
| = __glibcxx_max_digits10 (__LDBL_MANT_DIG__); |
| #endif |
| static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; |
| static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; |
| static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; |
| |
| static _GLIBCXX_CONSTEXPR long double |
| epsilon() _GLIBCXX_USE_NOEXCEPT { return __LDBL_EPSILON__; } |
| |
| static _GLIBCXX_CONSTEXPR long double |
| round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5L; } |
| |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent = __LDBL_MIN_EXP__; |
| static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __LDBL_MIN_10_EXP__; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent = __LDBL_MAX_EXP__; |
| static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __LDBL_MAX_10_EXP__; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __LDBL_HAS_INFINITY__; |
| static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __LDBL_HAS_QUIET_NAN__; |
| static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; |
| static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
| = bool(__LDBL_HAS_DENORM__) ? denorm_present : denorm_absent; |
| static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
| = __glibcxx_long_double_has_denorm_loss; |
| |
| static _GLIBCXX_CONSTEXPR long double |
| infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_vall(); } |
| |
| static _GLIBCXX_CONSTEXPR long double |
| quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nanl(""); } |
| |
| static _GLIBCXX_CONSTEXPR long double |
| signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nansl(""); } |
| |
| static _GLIBCXX_CONSTEXPR long double |
| denorm_min() _GLIBCXX_USE_NOEXCEPT { return __LDBL_DENORM_MIN__; } |
| |
| static _GLIBCXX_USE_CONSTEXPR bool is_iec559 |
| = has_infinity && has_quiet_NaN && has_denorm == denorm_present; |
| static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
| static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
| |
| static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_long_double_traps; |
| static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = |
| __glibcxx_long_double_tinyness_before; |
| static _GLIBCXX_USE_CONSTEXPR float_round_style round_style = |
| round_to_nearest; |
| }; |
| |
| #undef __glibcxx_long_double_has_denorm_loss |
| #undef __glibcxx_long_double_traps |
| #undef __glibcxx_long_double_tinyness_before |
| |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace |
| |
| #undef __glibcxx_signed |
| #undef __glibcxx_min |
| #undef __glibcxx_max |
| #undef __glibcxx_digits |
| #undef __glibcxx_digits10 |
| #undef __glibcxx_max_digits10 |
| |
| #endif // _GLIBCXX_NUMERIC_LIMITS |
