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// The template and inlines for the numeric_limits classes. -*- C++ -*- |
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// Copyright (C) 1999-2015 Free Software Foundation, Inc. |
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// |
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// This file is part of the GNU ISO C++ Library. This library is free |
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// software; you can redistribute it and/or modify it under the |
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// terms of the GNU General Public License as published by the |
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// Free Software Foundation; either version 3, or (at your option) |
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// any later version. |
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 3.1, as published by the Free Software Foundation. |
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// You should have received a copy of the GNU General Public License and |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// . |
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/** @file include/limits |
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* This is a Standard C++ Library header. |
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*/ |
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// Note: this is not a conforming implementation. |
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// Written by Gabriel Dos Reis |
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// |
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// ISO 14882:1998 |
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// 18.2.1 |
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// |
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#ifndef _GLIBCXX_NUMERIC_LIMITS |
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#define _GLIBCXX_NUMERIC_LIMITS 1 |
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#pragma GCC system_header |
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#include |
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// |
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// The numeric_limits<> traits document implementation-defined aspects |
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// of fundamental arithmetic data types (integers and floating points). |
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// From Standard C++ point of view, there are 14 such types: |
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// * integers |
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// bool (1) |
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// char, signed char, unsigned char, wchar_t (4) |
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// short, unsigned short (2) |
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// int, unsigned (2) |
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// long, unsigned long (2) |
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// |
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// * floating points |
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// float (1) |
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// double (1) |
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// long double (1) |
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// |
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// GNU C++ understands (where supported by the host C-library) |
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// * integer |
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// long long, unsigned long long (2) |
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// |
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// which brings us to 16 fundamental arithmetic data types in GNU C++. |
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// |
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// |
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// Since a numeric_limits<> is a bit tricky to get right, we rely on |
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// an interface composed of macros which should be defined in config/os |
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// or config/cpu when they differ from the generic (read arbitrary) |
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// definitions given here. |
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// |
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// These values can be overridden in the target configuration file. |
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// The default values are appropriate for many 32-bit targets. |
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// GCC only intrinsically supports modulo integral types. The only remaining |
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// integral exceptional values is division by zero. Only targets that do not |
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// signal division by zero in some "hard to ignore" way should use false. |
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#ifndef __glibcxx_integral_traps |
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# define __glibcxx_integral_traps true |
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#endif |
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// float |
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// |
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// Default values. Should be overridden in configuration files if necessary. |
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#ifndef __glibcxx_float_has_denorm_loss |
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# define __glibcxx_float_has_denorm_loss false |
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#endif |
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#ifndef __glibcxx_float_traps |
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# define __glibcxx_float_traps false |
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#endif |
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#ifndef __glibcxx_float_tinyness_before |
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# define __glibcxx_float_tinyness_before false |
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#endif |
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// double |
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// Default values. Should be overridden in configuration files if necessary. |
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#ifndef __glibcxx_double_has_denorm_loss |
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# define __glibcxx_double_has_denorm_loss false |
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#endif |
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#ifndef __glibcxx_double_traps |
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# define __glibcxx_double_traps false |
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#endif |
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#ifndef __glibcxx_double_tinyness_before |
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# define __glibcxx_double_tinyness_before false |
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#endif |
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// long double |
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// Default values. Should be overridden in configuration files if necessary. |
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#ifndef __glibcxx_long_double_has_denorm_loss |
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# define __glibcxx_long_double_has_denorm_loss false |
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#endif |
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#ifndef __glibcxx_long_double_traps |
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# define __glibcxx_long_double_traps false |
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#endif |
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#ifndef __glibcxx_long_double_tinyness_before |
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# define __glibcxx_long_double_tinyness_before false |
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#endif |
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// You should not need to define any macros below this point. |
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#define __glibcxx_signed_b(T,B) ((T)(-1) < 0) |
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#define __glibcxx_min_b(T,B) \ |
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(__glibcxx_signed_b (T,B) ? -__glibcxx_max_b (T,B) - 1 : (T)0) |
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#define __glibcxx_max_b(T,B) \ |
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(__glibcxx_signed_b (T,B) ? \ |
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(((((T)1 << (__glibcxx_digits_b (T,B) - 1)) - 1) << 1) + 1) : ~(T)0) |
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#define __glibcxx_digits_b(T,B) \ |
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(B - __glibcxx_signed_b (T,B)) |
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// The fraction 643/2136 approximates log10(2) to 7 significant digits. |
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#define __glibcxx_digits10_b(T,B) \ |
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(__glibcxx_digits_b (T,B) * 643L / 2136) |
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#define __glibcxx_signed(T) \ |
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__glibcxx_signed_b (T, sizeof(T) * __CHAR_BIT__) |
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#define __glibcxx_min(T) \ |
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__glibcxx_min_b (T, sizeof(T) * __CHAR_BIT__) |
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#define __glibcxx_max(T) \ |
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__glibcxx_max_b (T, sizeof(T) * __CHAR_BIT__) |
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#define __glibcxx_digits(T) \ |
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__glibcxx_digits_b (T, sizeof(T) * __CHAR_BIT__) |
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#define __glibcxx_digits10(T) \ |
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__glibcxx_digits10_b (T, sizeof(T) * __CHAR_BIT__) |
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#define __glibcxx_max_digits10(T) \ |
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(2 + (T) * 643L / 2136) |
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namespace std _GLIBCXX_VISIBILITY(default) |
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{ |
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_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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/** |
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* @brief Describes the rounding style for floating-point types. |
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* |
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* This is used in the std::numeric_limits class. |
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*/ |
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enum float_round_style |
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{ |
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round_indeterminate = -1, /// Intermediate. |
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round_toward_zero = 0, /// To zero. |
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round_to_nearest = 1, /// To the nearest representable value. |
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round_toward_infinity = 2, /// To infinity. |
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round_toward_neg_infinity = 3 /// To negative infinity. |
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}; |
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/** |
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* @brief Describes the denormalization for floating-point types. |
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* |
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* These values represent the presence or absence of a variable number |
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* of exponent bits. This type is used in the std::numeric_limits class. |
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*/ |
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enum float_denorm_style |
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{ |
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/// Indeterminate at compile time whether denormalized values are allowed. |
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denorm_indeterminate = -1, |
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/// The type does not allow denormalized values. |
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denorm_absent = 0, |
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/// The type allows denormalized values. |
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denorm_present = 1 |
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}; |
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/** |
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* @brief Part of std::numeric_limits. |
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* |
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* The @c static @c const members are usable as integral constant |
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* expressions. |
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* |
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* @note This is a separate class for purposes of efficiency; you |
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* should only access these members as part of an instantiation |
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* of the std::numeric_limits class. |
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*/ |
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struct __numeric_limits_base |
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{ |
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/** This will be true for all fundamental types (which have |
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specializations), and false for everything else. */ |
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static _GLIBCXX_USE_CONSTEXPR bool is_specialized = false; |
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/** The number of @c radix digits that be represented without change: for |
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integer types, the number of non-sign bits in the mantissa; for |
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floating types, the number of @c radix digits in the mantissa. */ |
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static _GLIBCXX_USE_CONSTEXPR int digits = 0; |
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/** The number of base 10 digits that can be represented without change. */ |
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static _GLIBCXX_USE_CONSTEXPR int digits10 = 0; |
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#if __cplusplus >= 201103L |
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/** The number of base 10 digits required to ensure that values which |
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differ are always differentiated. */ |
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static constexpr int max_digits10 = 0; |
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#endif |
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/** True if the type is signed. */ |
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static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
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/** True if the type is integer. */ |
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static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; |
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/** True if the type uses an exact representation. All integer types are |
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exact, but not all exact types are integer. For example, rational and |
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fixed-exponent representations are exact but not integer. */ |
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static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; |
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/** For integer types, specifies the base of the representation. For |
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floating types, specifies the base of the exponent representation. */ |
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static _GLIBCXX_USE_CONSTEXPR int radix = 0; |
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/** The minimum negative integer such that @c radix raised to the power of |
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(one less than that integer) is a normalized floating point number. */ |
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static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
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/** The minimum negative integer such that 10 raised to that power is in |
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the range of normalized floating point numbers. */ |
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static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
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/** The maximum positive integer such that @c radix raised to the power of |
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(one less than that integer) is a representable finite floating point |
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number. */ |
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static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
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/** The maximum positive integer such that 10 raised to that power is in |
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the range of representable finite floating point numbers. */ |
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static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
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/** True if the type has a representation for positive infinity. */ |
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static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
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/** True if the type has a representation for a quiet (non-signaling) |
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Not a Number. */ |
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static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
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/** True if the type has a representation for a signaling |
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Not a Number. */ |
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static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
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/** See std::float_denorm_style for more information. */ |
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static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm = denorm_absent; |
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/** True if loss of accuracy is detected as a denormalization loss, |
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rather than as an inexact result. */ |
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static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
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/** True if-and-only-if the type adheres to the IEC 559 standard, also |
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known as IEEE 754. (Only makes sense for floating point types.) */ |
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static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
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/** True if the set of values representable by the type is |
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finite. All built-in types are bounded, this member would be |
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false for arbitrary precision types. */ |
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static _GLIBCXX_USE_CONSTEXPR bool is_bounded = false; |
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/** True if the type is @e modulo. A type is modulo if, for any |
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operation involving +, -, or * on values of that type whose |
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result would fall outside the range [min(),max()], the value |
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returned differs from the true value by an integer multiple of |
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max() - min() + 1. On most machines, this is false for floating |
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types, true for unsigned integers, and true for signed integers. |
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See PR22200 about signed integers. */ |
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static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
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/** True if trapping is implemented for this type. */ |
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static _GLIBCXX_USE_CONSTEXPR bool traps = false; |
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/** True if tininess is detected before rounding. (see IEC 559) */ |
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static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
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/** See std::float_round_style for more information. This is only |
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meaningful for floating types; integer types will all be |
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round_toward_zero. */ |
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static _GLIBCXX_USE_CONSTEXPR float_round_style round_style = |
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round_toward_zero; |
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}; |
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/** |
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* @brief Properties of fundamental types. |
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* |
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* This class allows a program to obtain information about the |
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* representation of a fundamental type on a given platform. For |
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* non-fundamental types, the functions will return 0 and the data |
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* members will all be @c false. |
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* |
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* _GLIBCXX_RESOLVE_LIB_DEFECTS: DRs 201 and 184 (hi Gaby!) are |
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* noted, but not incorporated in this documented (yet). |
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*/ |
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template |
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struct numeric_limits : public __numeric_limits_base |
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{ |
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/** The minimum finite value, or for floating types with |
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denormalization, the minimum positive normalized value. */ |
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static _GLIBCXX_CONSTEXPR _Tp |
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min() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
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/** The maximum finite value. */ |
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static _GLIBCXX_CONSTEXPR _Tp |
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max() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
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#if __cplusplus >= 201103L |
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/** A finite value x such that there is no other finite value y |
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* where y < x. */ |
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static constexpr _Tp |
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lowest() noexcept { return _Tp(); } |
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#endif |
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/** The @e machine @e epsilon: the difference between 1 and the least |
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value greater than 1 that is representable. */ |
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static _GLIBCXX_CONSTEXPR _Tp |
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epsilon() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
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/** The maximum rounding error measurement (see LIA-1). */ |
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static _GLIBCXX_CONSTEXPR _Tp |
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round_error() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
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/** The representation of positive infinity, if @c has_infinity. */ |
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static _GLIBCXX_CONSTEXPR _Tp |
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infinity() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
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/** The representation of a quiet Not a Number, |
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if @c has_quiet_NaN. */ |
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static _GLIBCXX_CONSTEXPR _Tp |
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quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
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/** The representation of a signaling Not a Number, if |
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@c has_signaling_NaN. */ |
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static _GLIBCXX_CONSTEXPR _Tp |
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signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
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/** The minimum positive denormalized value. For types where |
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@c has_denorm is false, this is the minimum positive normalized |
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value. */ |
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static _GLIBCXX_CONSTEXPR _Tp |
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denorm_min() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
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}; |
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#if __cplusplus >= 201103L |
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template |
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365 |
struct numeric_limits |
|
|
366 |
: public numeric_limits<_Tp> { }; |
|
|
367 |
|
|
|
368 |
template |
|
|
369 |
struct numeric_limits |
|
|
370 |
: public numeric_limits<_Tp> { }; |
|
|
371 |
|
|
|
372 |
template |
|
|
373 |
struct numeric_limits |
|
|
374 |
: public numeric_limits<_Tp> { }; |
|
|
375 |
#endif |
|
|
376 |
|
|
|
377 |
// Now there follow 16 explicit specializations. Yes, 16. Make sure |
|
|
378 |
// you get the count right. (18 in c++0x mode) |
|
|
379 |
|
|
|
380 |
/// numeric_limits specialization. |
|
|
381 |
template<> |
|
|
382 |
struct numeric_limits |
|
|
383 |
{ |
|
|
384 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
385 |
|
|
|
386 |
static _GLIBCXX_CONSTEXPR bool |
|
|
387 |
min() _GLIBCXX_USE_NOEXCEPT { return false; } |
|
|
388 |
|
|
|
389 |
static _GLIBCXX_CONSTEXPR bool |
|
|
390 |
max() _GLIBCXX_USE_NOEXCEPT { return true; } |
|
|
391 |
|
|
|
392 |
#if __cplusplus >= 201103L |
|
|
393 |
static constexpr bool |
|
|
394 |
lowest() noexcept { return min(); } |
|
|
395 |
#endif |
|
|
396 |
static _GLIBCXX_USE_CONSTEXPR int digits = 1; |
|
|
397 |
static _GLIBCXX_USE_CONSTEXPR int digits10 = 0; |
|
|
398 |
#if __cplusplus >= 201103L |
|
|
399 |
static constexpr int max_digits10 = 0; |
|
|
400 |
#endif |
|
|
401 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
|
|
402 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
403 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
404 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
405 |
|
|
|
406 |
static _GLIBCXX_CONSTEXPR bool |
|
|
407 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return false; } |
|
|
408 |
|
|
|
409 |
static _GLIBCXX_CONSTEXPR bool |
|
|
410 |
round_error() _GLIBCXX_USE_NOEXCEPT { return false; } |
|
|
411 |
|
|
|
412 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
413 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
414 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
415 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
416 |
|
|
|
417 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
418 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
419 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
420 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
421 |
= denorm_absent; |
|
|
422 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
423 |
|
|
|
424 |
static _GLIBCXX_CONSTEXPR bool |
|
|
425 |
infinity() _GLIBCXX_USE_NOEXCEPT { return false; } |
|
|
426 |
|
|
|
427 |
static _GLIBCXX_CONSTEXPR bool |
|
|
428 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return false; } |
|
|
429 |
|
|
|
430 |
static _GLIBCXX_CONSTEXPR bool |
|
|
431 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return false; } |
|
|
432 |
|
|
|
433 |
static _GLIBCXX_CONSTEXPR bool |
|
|
434 |
denorm_min() _GLIBCXX_USE_NOEXCEPT { return false; } |
|
|
435 |
|
|
|
436 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
437 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
438 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
|
|
439 |
|
|
|
440 |
// It is not clear what it means for a boolean type to trap. |
|
|
441 |
// This is a DR on the LWG issue list. Here, I use integer |
|
|
442 |
// promotion semantics. |
|
|
443 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
444 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
445 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
446 |
= round_toward_zero; |
|
|
447 |
}; |
|
|
448 |
|
|
|
449 |
/// numeric_limits specialization. |
|
|
450 |
template<> |
|
|
451 |
struct numeric_limits |
|
|
452 |
{ |
|
|
453 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
454 |
|
|
|
455 |
static _GLIBCXX_CONSTEXPR char |
|
|
456 |
min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min(char); } |
|
|
457 |
|
|
|
458 |
static _GLIBCXX_CONSTEXPR char |
|
|
459 |
max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max(char); } |
|
|
460 |
|
|
|
461 |
#if __cplusplus >= 201103L |
|
|
462 |
static constexpr char |
|
|
463 |
lowest() noexcept { return min(); } |
|
|
464 |
#endif |
|
|
465 |
|
|
|
466 |
static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (char); |
|
|
467 |
static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (char); |
|
|
468 |
#if __cplusplus >= 201103L |
|
|
469 |
static constexpr int max_digits10 = 0; |
|
|
470 |
#endif |
|
|
471 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = __glibcxx_signed (char); |
|
|
472 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
473 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
474 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
475 |
|
|
|
476 |
static _GLIBCXX_CONSTEXPR char |
|
|
477 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
478 |
|
|
|
479 |
static _GLIBCXX_CONSTEXPR char |
|
|
480 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
481 |
|
|
|
482 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
483 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
484 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
485 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
486 |
|
|
|
487 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
488 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
489 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
490 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
491 |
= denorm_absent; |
|
|
492 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
493 |
|
|
|
494 |
static _GLIBCXX_CONSTEXPR |
|
|
495 |
char infinity() _GLIBCXX_USE_NOEXCEPT { return char(); } |
|
|
496 |
|
|
|
497 |
static _GLIBCXX_CONSTEXPR char |
|
|
498 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return char(); } |
|
|
499 |
|
|
|
500 |
static _GLIBCXX_CONSTEXPR char |
|
|
501 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return char(); } |
|
|
502 |
|
|
|
503 |
static _GLIBCXX_CONSTEXPR char |
|
|
504 |
denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
505 |
|
|
|
506 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
507 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
508 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = !is_signed; |
|
|
509 |
|
|
|
510 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
511 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
512 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
513 |
= round_toward_zero; |
|
|
514 |
}; |
|
|
515 |
|
|
|
516 |
/// numeric_limits specialization. |
|
|
517 |
template<> |
|
|
518 |
struct numeric_limits |
|
|
519 |
{ |
|
|
520 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
521 |
|
|
|
522 |
static _GLIBCXX_CONSTEXPR signed char |
|
|
523 |
min() _GLIBCXX_USE_NOEXCEPT { return -__SCHAR_MAX__ - 1; } |
|
|
524 |
|
|
|
525 |
static _GLIBCXX_CONSTEXPR signed char |
|
|
526 |
max() _GLIBCXX_USE_NOEXCEPT { return __SCHAR_MAX__; } |
|
|
527 |
|
|
|
528 |
#if __cplusplus >= 201103L |
|
|
529 |
static constexpr signed char |
|
|
530 |
lowest() noexcept { return min(); } |
|
|
531 |
#endif |
|
|
532 |
|
|
|
533 |
static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (signed char); |
|
|
534 |
static _GLIBCXX_USE_CONSTEXPR int digits10 |
|
|
535 |
= __glibcxx_digits10 (signed char); |
|
|
536 |
#if __cplusplus >= 201103L |
|
|
537 |
static constexpr int max_digits10 = 0; |
|
|
538 |
#endif |
|
|
539 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
|
|
540 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
541 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
542 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
543 |
|
|
|
544 |
static _GLIBCXX_CONSTEXPR signed char |
|
|
545 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
546 |
|
|
|
547 |
static _GLIBCXX_CONSTEXPR signed char |
|
|
548 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
549 |
|
|
|
550 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
551 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
552 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
553 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
554 |
|
|
|
555 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
556 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
557 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
558 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
559 |
= denorm_absent; |
|
|
560 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
561 |
|
|
|
562 |
static _GLIBCXX_CONSTEXPR signed char |
|
|
563 |
infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
564 |
|
|
|
565 |
static _GLIBCXX_CONSTEXPR signed char |
|
|
566 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
567 |
|
|
|
568 |
static _GLIBCXX_CONSTEXPR signed char |
|
|
569 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
570 |
{ return static_cast(0); } |
|
|
571 |
|
|
|
572 |
static _GLIBCXX_CONSTEXPR signed char |
|
|
573 |
denorm_min() _GLIBCXX_USE_NOEXCEPT |
|
|
574 |
{ return static_cast(0); } |
|
|
575 |
|
|
|
576 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
577 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
578 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
|
|
579 |
|
|
|
580 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
581 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
582 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
583 |
= round_toward_zero; |
|
|
584 |
}; |
|
|
585 |
|
|
|
586 |
/// numeric_limits specialization. |
|
|
587 |
template<> |
|
|
588 |
struct numeric_limits |
|
|
589 |
{ |
|
|
590 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
591 |
|
|
|
592 |
static _GLIBCXX_CONSTEXPR unsigned char |
|
|
593 |
min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
594 |
|
|
|
595 |
static _GLIBCXX_CONSTEXPR unsigned char |
|
|
596 |
max() _GLIBCXX_USE_NOEXCEPT { return __SCHAR_MAX__ * 2U + 1; } |
|
|
597 |
|
|
|
598 |
#if __cplusplus >= 201103L |
|
|
599 |
static constexpr unsigned char |
|
|
600 |
lowest() noexcept { return min(); } |
|
|
601 |
#endif |
|
|
602 |
|
|
|
603 |
static _GLIBCXX_USE_CONSTEXPR int digits |
|
|
604 |
= __glibcxx_digits (unsigned char); |
|
|
605 |
static _GLIBCXX_USE_CONSTEXPR int digits10 |
|
|
606 |
= __glibcxx_digits10 (unsigned char); |
|
|
607 |
#if __cplusplus >= 201103L |
|
|
608 |
static constexpr int max_digits10 = 0; |
|
|
609 |
#endif |
|
|
610 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
|
|
611 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
612 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
613 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
614 |
|
|
|
615 |
static _GLIBCXX_CONSTEXPR unsigned char |
|
|
616 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
617 |
|
|
|
618 |
static _GLIBCXX_CONSTEXPR unsigned char |
|
|
619 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
620 |
|
|
|
621 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
622 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
623 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
624 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
625 |
|
|
|
626 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
627 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
628 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
629 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
630 |
= denorm_absent; |
|
|
631 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
632 |
|
|
|
633 |
static _GLIBCXX_CONSTEXPR unsigned char |
|
|
634 |
infinity() _GLIBCXX_USE_NOEXCEPT |
|
|
635 |
{ return static_cast(0); } |
|
|
636 |
|
|
|
637 |
static _GLIBCXX_CONSTEXPR unsigned char |
|
|
638 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
639 |
{ return static_cast(0); } |
|
|
640 |
|
|
|
641 |
static _GLIBCXX_CONSTEXPR unsigned char |
|
|
642 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
643 |
{ return static_cast(0); } |
|
|
644 |
|
|
|
645 |
static _GLIBCXX_CONSTEXPR unsigned char |
|
|
646 |
denorm_min() _GLIBCXX_USE_NOEXCEPT |
|
|
647 |
{ return static_cast(0); } |
|
|
648 |
|
|
|
649 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
650 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
651 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; |
|
|
652 |
|
|
|
653 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
654 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
655 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
656 |
= round_toward_zero; |
|
|
657 |
}; |
|
|
658 |
|
|
|
659 |
/// numeric_limits specialization. |
|
|
660 |
template<> |
|
|
661 |
struct numeric_limits |
|
|
662 |
{ |
|
|
663 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
664 |
|
|
|
665 |
static _GLIBCXX_CONSTEXPR wchar_t |
|
|
666 |
min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min (wchar_t); } |
|
|
667 |
|
|
|
668 |
static _GLIBCXX_CONSTEXPR wchar_t |
|
|
669 |
max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max (wchar_t); } |
|
|
670 |
|
|
|
671 |
#if __cplusplus >= 201103L |
|
|
672 |
static constexpr wchar_t |
|
|
673 |
lowest() noexcept { return min(); } |
|
|
674 |
#endif |
|
|
675 |
|
|
|
676 |
static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (wchar_t); |
|
|
677 |
static _GLIBCXX_USE_CONSTEXPR int digits10 |
|
|
678 |
= __glibcxx_digits10 (wchar_t); |
|
|
679 |
#if __cplusplus >= 201103L |
|
|
680 |
static constexpr int max_digits10 = 0; |
|
|
681 |
#endif |
|
|
682 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = __glibcxx_signed (wchar_t); |
|
|
683 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
684 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
685 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
686 |
|
|
|
687 |
static _GLIBCXX_CONSTEXPR wchar_t |
|
|
688 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
689 |
|
|
|
690 |
static _GLIBCXX_CONSTEXPR wchar_t |
|
|
691 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
692 |
|
|
|
693 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
694 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
695 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
696 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
697 |
|
|
|
698 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
699 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
700 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
701 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
702 |
= denorm_absent; |
|
|
703 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
704 |
|
|
|
705 |
static _GLIBCXX_CONSTEXPR wchar_t |
|
|
706 |
infinity() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
|
|
707 |
|
|
|
708 |
static _GLIBCXX_CONSTEXPR wchar_t |
|
|
709 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
|
|
710 |
|
|
|
711 |
static _GLIBCXX_CONSTEXPR wchar_t |
|
|
712 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
|
|
713 |
|
|
|
714 |
static _GLIBCXX_CONSTEXPR wchar_t |
|
|
715 |
denorm_min() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
|
|
716 |
|
|
|
717 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
718 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
719 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = !is_signed; |
|
|
720 |
|
|
|
721 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
722 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
723 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
724 |
= round_toward_zero; |
|
|
725 |
}; |
|
|
726 |
|
|
|
727 |
#if __cplusplus >= 201103L |
|
|
728 |
/// numeric_limits specialization. |
|
|
729 |
template<> |
|
|
730 |
struct numeric_limits |
|
|
731 |
{ |
|
|
732 |
static constexpr bool is_specialized = true; |
|
|
733 |
|
|
|
734 |
static constexpr char16_t |
|
|
735 |
min() noexcept { return __glibcxx_min (char16_t); } |
|
|
736 |
|
|
|
737 |
static constexpr char16_t |
|
|
738 |
max() noexcept { return __glibcxx_max (char16_t); } |
|
|
739 |
|
|
|
740 |
static constexpr char16_t |
|
|
741 |
lowest() noexcept { return min(); } |
|
|
742 |
|
|
|
743 |
static constexpr int digits = __glibcxx_digits (char16_t); |
|
|
744 |
static constexpr int digits10 = __glibcxx_digits10 (char16_t); |
|
|
745 |
static constexpr int max_digits10 = 0; |
|
|
746 |
static constexpr bool is_signed = __glibcxx_signed (char16_t); |
|
|
747 |
static constexpr bool is_integer = true; |
|
|
748 |
static constexpr bool is_exact = true; |
|
|
749 |
static constexpr int radix = 2; |
|
|
750 |
|
|
|
751 |
static constexpr char16_t |
|
|
752 |
epsilon() noexcept { return 0; } |
|
|
753 |
|
|
|
754 |
static constexpr char16_t |
|
|
755 |
round_error() noexcept { return 0; } |
|
|
756 |
|
|
|
757 |
static constexpr int min_exponent = 0; |
|
|
758 |
static constexpr int min_exponent10 = 0; |
|
|
759 |
static constexpr int max_exponent = 0; |
|
|
760 |
static constexpr int max_exponent10 = 0; |
|
|
761 |
|
|
|
762 |
static constexpr bool has_infinity = false; |
|
|
763 |
static constexpr bool has_quiet_NaN = false; |
|
|
764 |
static constexpr bool has_signaling_NaN = false; |
|
|
765 |
static constexpr float_denorm_style has_denorm = denorm_absent; |
|
|
766 |
static constexpr bool has_denorm_loss = false; |
|
|
767 |
|
|
|
768 |
static constexpr char16_t |
|
|
769 |
infinity() noexcept { return char16_t(); } |
|
|
770 |
|
|
|
771 |
static constexpr char16_t |
|
|
772 |
quiet_NaN() noexcept { return char16_t(); } |
|
|
773 |
|
|
|
774 |
static constexpr char16_t |
|
|
775 |
signaling_NaN() noexcept { return char16_t(); } |
|
|
776 |
|
|
|
777 |
static constexpr char16_t |
|
|
778 |
denorm_min() noexcept { return char16_t(); } |
|
|
779 |
|
|
|
780 |
static constexpr bool is_iec559 = false; |
|
|
781 |
static constexpr bool is_bounded = true; |
|
|
782 |
static constexpr bool is_modulo = !is_signed; |
|
|
783 |
|
|
|
784 |
static constexpr bool traps = __glibcxx_integral_traps; |
|
|
785 |
static constexpr bool tinyness_before = false; |
|
|
786 |
static constexpr float_round_style round_style = round_toward_zero; |
|
|
787 |
}; |
|
|
788 |
|
|
|
789 |
/// numeric_limits specialization. |
|
|
790 |
template<> |
|
|
791 |
struct numeric_limits |
|
|
792 |
{ |
|
|
793 |
static constexpr bool is_specialized = true; |
|
|
794 |
|
|
|
795 |
static constexpr char32_t |
|
|
796 |
min() noexcept { return __glibcxx_min (char32_t); } |
|
|
797 |
|
|
|
798 |
static constexpr char32_t |
|
|
799 |
max() noexcept { return __glibcxx_max (char32_t); } |
|
|
800 |
|
|
|
801 |
static constexpr char32_t |
|
|
802 |
lowest() noexcept { return min(); } |
|
|
803 |
|
|
|
804 |
static constexpr int digits = __glibcxx_digits (char32_t); |
|
|
805 |
static constexpr int digits10 = __glibcxx_digits10 (char32_t); |
|
|
806 |
static constexpr int max_digits10 = 0; |
|
|
807 |
static constexpr bool is_signed = __glibcxx_signed (char32_t); |
|
|
808 |
static constexpr bool is_integer = true; |
|
|
809 |
static constexpr bool is_exact = true; |
|
|
810 |
static constexpr int radix = 2; |
|
|
811 |
|
|
|
812 |
static constexpr char32_t |
|
|
813 |
epsilon() noexcept { return 0; } |
|
|
814 |
|
|
|
815 |
static constexpr char32_t |
|
|
816 |
round_error() noexcept { return 0; } |
|
|
817 |
|
|
|
818 |
static constexpr int min_exponent = 0; |
|
|
819 |
static constexpr int min_exponent10 = 0; |
|
|
820 |
static constexpr int max_exponent = 0; |
|
|
821 |
static constexpr int max_exponent10 = 0; |
|
|
822 |
|
|
|
823 |
static constexpr bool has_infinity = false; |
|
|
824 |
static constexpr bool has_quiet_NaN = false; |
|
|
825 |
static constexpr bool has_signaling_NaN = false; |
|
|
826 |
static constexpr float_denorm_style has_denorm = denorm_absent; |
|
|
827 |
static constexpr bool has_denorm_loss = false; |
|
|
828 |
|
|
|
829 |
static constexpr char32_t |
|
|
830 |
infinity() noexcept { return char32_t(); } |
|
|
831 |
|
|
|
832 |
static constexpr char32_t |
|
|
833 |
quiet_NaN() noexcept { return char32_t(); } |
|
|
834 |
|
|
|
835 |
static constexpr char32_t |
|
|
836 |
signaling_NaN() noexcept { return char32_t(); } |
|
|
837 |
|
|
|
838 |
static constexpr char32_t |
|
|
839 |
denorm_min() noexcept { return char32_t(); } |
|
|
840 |
|
|
|
841 |
static constexpr bool is_iec559 = false; |
|
|
842 |
static constexpr bool is_bounded = true; |
|
|
843 |
static constexpr bool is_modulo = !is_signed; |
|
|
844 |
|
|
|
845 |
static constexpr bool traps = __glibcxx_integral_traps; |
|
|
846 |
static constexpr bool tinyness_before = false; |
|
|
847 |
static constexpr float_round_style round_style = round_toward_zero; |
|
|
848 |
}; |
|
|
849 |
#endif |
|
|
850 |
|
|
|
851 |
/// numeric_limits specialization. |
|
|
852 |
template<> |
|
|
853 |
struct numeric_limits |
|
|
854 |
{ |
|
|
855 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
856 |
|
|
|
857 |
static _GLIBCXX_CONSTEXPR short |
|
|
858 |
min() _GLIBCXX_USE_NOEXCEPT { return -__SHRT_MAX__ - 1; } |
|
|
859 |
|
|
|
860 |
static _GLIBCXX_CONSTEXPR short |
|
|
861 |
max() _GLIBCXX_USE_NOEXCEPT { return __SHRT_MAX__; } |
|
|
862 |
|
|
|
863 |
#if __cplusplus >= 201103L |
|
|
864 |
static constexpr short |
|
|
865 |
lowest() noexcept { return min(); } |
|
|
866 |
#endif |
|
|
867 |
|
|
|
868 |
static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (short); |
|
|
869 |
static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (short); |
|
|
870 |
#if __cplusplus >= 201103L |
|
|
871 |
static constexpr int max_digits10 = 0; |
|
|
872 |
#endif |
|
|
873 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
|
|
874 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
875 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
876 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
877 |
|
|
|
878 |
static _GLIBCXX_CONSTEXPR short |
|
|
879 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
880 |
|
|
|
881 |
static _GLIBCXX_CONSTEXPR short |
|
|
882 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
883 |
|
|
|
884 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
885 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
886 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
887 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
888 |
|
|
|
889 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
890 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
891 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
892 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
893 |
= denorm_absent; |
|
|
894 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
895 |
|
|
|
896 |
static _GLIBCXX_CONSTEXPR short |
|
|
897 |
infinity() _GLIBCXX_USE_NOEXCEPT { return short(); } |
|
|
898 |
|
|
|
899 |
static _GLIBCXX_CONSTEXPR short |
|
|
900 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return short(); } |
|
|
901 |
|
|
|
902 |
static _GLIBCXX_CONSTEXPR short |
|
|
903 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return short(); } |
|
|
904 |
|
|
|
905 |
static _GLIBCXX_CONSTEXPR short |
|
|
906 |
denorm_min() _GLIBCXX_USE_NOEXCEPT { return short(); } |
|
|
907 |
|
|
|
908 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
909 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
910 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
|
|
911 |
|
|
|
912 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
913 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
914 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
915 |
= round_toward_zero; |
|
|
916 |
}; |
|
|
917 |
|
|
|
918 |
/// numeric_limits specialization. |
|
|
919 |
template<> |
|
|
920 |
struct numeric_limits |
|
|
921 |
{ |
|
|
922 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
923 |
|
|
|
924 |
static _GLIBCXX_CONSTEXPR unsigned short |
|
|
925 |
min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
926 |
|
|
|
927 |
static _GLIBCXX_CONSTEXPR unsigned short |
|
|
928 |
max() _GLIBCXX_USE_NOEXCEPT { return __SHRT_MAX__ * 2U + 1; } |
|
|
929 |
|
|
|
930 |
#if __cplusplus >= 201103L |
|
|
931 |
static constexpr unsigned short |
|
|
932 |
lowest() noexcept { return min(); } |
|
|
933 |
#endif |
|
|
934 |
|
|
|
935 |
static _GLIBCXX_USE_CONSTEXPR int digits |
|
|
936 |
= __glibcxx_digits (unsigned short); |
|
|
937 |
static _GLIBCXX_USE_CONSTEXPR int digits10 |
|
|
938 |
= __glibcxx_digits10 (unsigned short); |
|
|
939 |
#if __cplusplus >= 201103L |
|
|
940 |
static constexpr int max_digits10 = 0; |
|
|
941 |
#endif |
|
|
942 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
|
|
943 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
944 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
945 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
946 |
|
|
|
947 |
static _GLIBCXX_CONSTEXPR unsigned short |
|
|
948 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
949 |
|
|
|
950 |
static _GLIBCXX_CONSTEXPR unsigned short |
|
|
951 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
952 |
|
|
|
953 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
954 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
955 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
956 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
957 |
|
|
|
958 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
959 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
960 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
961 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
962 |
= denorm_absent; |
|
|
963 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
964 |
|
|
|
965 |
static _GLIBCXX_CONSTEXPR unsigned short |
|
|
966 |
infinity() _GLIBCXX_USE_NOEXCEPT |
|
|
967 |
{ return static_cast(0); } |
|
|
968 |
|
|
|
969 |
static _GLIBCXX_CONSTEXPR unsigned short |
|
|
970 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
971 |
{ return static_cast(0); } |
|
|
972 |
|
|
|
973 |
static _GLIBCXX_CONSTEXPR unsigned short |
|
|
974 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
975 |
{ return static_cast(0); } |
|
|
976 |
|
|
|
977 |
static _GLIBCXX_CONSTEXPR unsigned short |
|
|
978 |
denorm_min() _GLIBCXX_USE_NOEXCEPT |
|
|
979 |
{ return static_cast(0); } |
|
|
980 |
|
|
|
981 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
982 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
983 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; |
|
|
984 |
|
|
|
985 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
986 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
987 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
988 |
= round_toward_zero; |
|
|
989 |
}; |
|
|
990 |
|
|
|
991 |
/// numeric_limits specialization. |
|
|
992 |
template<> |
|
|
993 |
struct numeric_limits |
|
|
994 |
{ |
|
|
995 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
996 |
|
|
|
997 |
static _GLIBCXX_CONSTEXPR int |
|
|
998 |
min() _GLIBCXX_USE_NOEXCEPT { return -__INT_MAX__ - 1; } |
|
|
999 |
|
|
|
1000 |
static _GLIBCXX_CONSTEXPR int |
|
|
1001 |
max() _GLIBCXX_USE_NOEXCEPT { return __INT_MAX__; } |
|
|
1002 |
|
|
|
1003 |
#if __cplusplus >= 201103L |
|
|
1004 |
static constexpr int |
|
|
1005 |
lowest() noexcept { return min(); } |
|
|
1006 |
#endif |
|
|
1007 |
|
|
|
1008 |
static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (int); |
|
|
1009 |
static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (int); |
|
|
1010 |
#if __cplusplus >= 201103L |
|
|
1011 |
static constexpr int max_digits10 = 0; |
|
|
1012 |
#endif |
|
|
1013 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
|
|
1014 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
1015 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
1016 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
1017 |
|
|
|
1018 |
static _GLIBCXX_CONSTEXPR int |
|
|
1019 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1020 |
|
|
|
1021 |
static _GLIBCXX_CONSTEXPR int |
|
|
1022 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1023 |
|
|
|
1024 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
1025 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
1026 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
1027 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
1028 |
|
|
|
1029 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
1030 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
1031 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
1032 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
1033 |
= denorm_absent; |
|
|
1034 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
1035 |
|
|
|
1036 |
static _GLIBCXX_CONSTEXPR int |
|
|
1037 |
infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1038 |
|
|
|
1039 |
static _GLIBCXX_CONSTEXPR int |
|
|
1040 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1041 |
|
|
|
1042 |
static _GLIBCXX_CONSTEXPR int |
|
|
1043 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1044 |
|
|
|
1045 |
static _GLIBCXX_CONSTEXPR int |
|
|
1046 |
denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1047 |
|
|
|
1048 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
1049 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
1050 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
|
|
1051 |
|
|
|
1052 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
1053 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
1054 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
1055 |
= round_toward_zero; |
|
|
1056 |
}; |
|
|
1057 |
|
|
|
1058 |
/// numeric_limits specialization. |
|
|
1059 |
template<> |
|
|
1060 |
struct numeric_limits |
|
|
1061 |
{ |
|
|
1062 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
1063 |
|
|
|
1064 |
static _GLIBCXX_CONSTEXPR unsigned int |
|
|
1065 |
min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1066 |
|
|
|
1067 |
static _GLIBCXX_CONSTEXPR unsigned int |
|
|
1068 |
max() _GLIBCXX_USE_NOEXCEPT { return __INT_MAX__ * 2U + 1; } |
|
|
1069 |
|
|
|
1070 |
#if __cplusplus >= 201103L |
|
|
1071 |
static constexpr unsigned int |
|
|
1072 |
lowest() noexcept { return min(); } |
|
|
1073 |
#endif |
|
|
1074 |
|
|
|
1075 |
static _GLIBCXX_USE_CONSTEXPR int digits |
|
|
1076 |
= __glibcxx_digits (unsigned int); |
|
|
1077 |
static _GLIBCXX_USE_CONSTEXPR int digits10 |
|
|
1078 |
= __glibcxx_digits10 (unsigned int); |
|
|
1079 |
#if __cplusplus >= 201103L |
|
|
1080 |
static constexpr int max_digits10 = 0; |
|
|
1081 |
#endif |
|
|
1082 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
|
|
1083 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
1084 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
1085 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
1086 |
|
|
|
1087 |
static _GLIBCXX_CONSTEXPR unsigned int |
|
|
1088 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1089 |
|
|
|
1090 |
static _GLIBCXX_CONSTEXPR unsigned int |
|
|
1091 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1092 |
|
|
|
1093 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
1094 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
1095 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
1096 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
1097 |
|
|
|
1098 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
1099 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
1100 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
1101 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
1102 |
= denorm_absent; |
|
|
1103 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
1104 |
|
|
|
1105 |
static _GLIBCXX_CONSTEXPR unsigned int |
|
|
1106 |
infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1107 |
|
|
|
1108 |
static _GLIBCXX_CONSTEXPR unsigned int |
|
|
1109 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
1110 |
{ return static_cast(0); } |
|
|
1111 |
|
|
|
1112 |
static _GLIBCXX_CONSTEXPR unsigned int |
|
|
1113 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
1114 |
{ return static_cast(0); } |
|
|
1115 |
|
|
|
1116 |
static _GLIBCXX_CONSTEXPR unsigned int |
|
|
1117 |
denorm_min() _GLIBCXX_USE_NOEXCEPT |
|
|
1118 |
{ return static_cast(0); } |
|
|
1119 |
|
|
|
1120 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
1121 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
1122 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; |
|
|
1123 |
|
|
|
1124 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
1125 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
1126 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
1127 |
= round_toward_zero; |
|
|
1128 |
}; |
|
|
1129 |
|
|
|
1130 |
/// numeric_limits specialization. |
|
|
1131 |
template<> |
|
|
1132 |
struct numeric_limits |
|
|
1133 |
{ |
|
|
1134 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
1135 |
|
|
|
1136 |
static _GLIBCXX_CONSTEXPR long |
|
|
1137 |
min() _GLIBCXX_USE_NOEXCEPT { return -__LONG_MAX__ - 1; } |
|
|
1138 |
|
|
|
1139 |
static _GLIBCXX_CONSTEXPR long |
|
|
1140 |
max() _GLIBCXX_USE_NOEXCEPT { return __LONG_MAX__; } |
|
|
1141 |
|
|
|
1142 |
#if __cplusplus >= 201103L |
|
|
1143 |
static constexpr long |
|
|
1144 |
lowest() noexcept { return min(); } |
|
|
1145 |
#endif |
|
|
1146 |
|
|
|
1147 |
static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (long); |
|
|
1148 |
static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (long); |
|
|
1149 |
#if __cplusplus >= 201103L |
|
|
1150 |
static constexpr int max_digits10 = 0; |
|
|
1151 |
#endif |
|
|
1152 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
|
|
1153 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
1154 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
1155 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
1156 |
|
|
|
1157 |
static _GLIBCXX_CONSTEXPR long |
|
|
1158 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1159 |
|
|
|
1160 |
static _GLIBCXX_CONSTEXPR long |
|
|
1161 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1162 |
|
|
|
1163 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
1164 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
1165 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
1166 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
1167 |
|
|
|
1168 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
1169 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
1170 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
1171 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
1172 |
= denorm_absent; |
|
|
1173 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
1174 |
|
|
|
1175 |
static _GLIBCXX_CONSTEXPR long |
|
|
1176 |
infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1177 |
|
|
|
1178 |
static _GLIBCXX_CONSTEXPR long |
|
|
1179 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1180 |
|
|
|
1181 |
static _GLIBCXX_CONSTEXPR long |
|
|
1182 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1183 |
|
|
|
1184 |
static _GLIBCXX_CONSTEXPR long |
|
|
1185 |
denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1186 |
|
|
|
1187 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
1188 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
1189 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
|
|
1190 |
|
|
|
1191 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
1192 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
1193 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
1194 |
= round_toward_zero; |
|
|
1195 |
}; |
|
|
1196 |
|
|
|
1197 |
/// numeric_limits specialization. |
|
|
1198 |
template<> |
|
|
1199 |
struct numeric_limits |
|
|
1200 |
{ |
|
|
1201 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
1202 |
|
|
|
1203 |
static _GLIBCXX_CONSTEXPR unsigned long |
|
|
1204 |
min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1205 |
|
|
|
1206 |
static _GLIBCXX_CONSTEXPR unsigned long |
|
|
1207 |
max() _GLIBCXX_USE_NOEXCEPT { return __LONG_MAX__ * 2UL + 1; } |
|
|
1208 |
|
|
|
1209 |
#if __cplusplus >= 201103L |
|
|
1210 |
static constexpr unsigned long |
|
|
1211 |
lowest() noexcept { return min(); } |
|
|
1212 |
#endif |
|
|
1213 |
|
|
|
1214 |
static _GLIBCXX_USE_CONSTEXPR int digits |
|
|
1215 |
= __glibcxx_digits (unsigned long); |
|
|
1216 |
static _GLIBCXX_USE_CONSTEXPR int digits10 |
|
|
1217 |
= __glibcxx_digits10 (unsigned long); |
|
|
1218 |
#if __cplusplus >= 201103L |
|
|
1219 |
static constexpr int max_digits10 = 0; |
|
|
1220 |
#endif |
|
|
1221 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
|
|
1222 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
1223 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
1224 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
1225 |
|
|
|
1226 |
static _GLIBCXX_CONSTEXPR unsigned long |
|
|
1227 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1228 |
|
|
|
1229 |
static _GLIBCXX_CONSTEXPR unsigned long |
|
|
1230 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1231 |
|
|
|
1232 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
1233 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
1234 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
1235 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
1236 |
|
|
|
1237 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
1238 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
1239 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
1240 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
1241 |
= denorm_absent; |
|
|
1242 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
1243 |
|
|
|
1244 |
static _GLIBCXX_CONSTEXPR unsigned long |
|
|
1245 |
infinity() _GLIBCXX_USE_NOEXCEPT |
|
|
1246 |
{ return static_cast(0); } |
|
|
1247 |
|
|
|
1248 |
static _GLIBCXX_CONSTEXPR unsigned long |
|
|
1249 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
1250 |
{ return static_cast(0); } |
|
|
1251 |
|
|
|
1252 |
static _GLIBCXX_CONSTEXPR unsigned long |
|
|
1253 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
1254 |
{ return static_cast(0); } |
|
|
1255 |
|
|
|
1256 |
static _GLIBCXX_CONSTEXPR unsigned long |
|
|
1257 |
denorm_min() _GLIBCXX_USE_NOEXCEPT |
|
|
1258 |
{ return static_cast(0); } |
|
|
1259 |
|
|
|
1260 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
1261 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
1262 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; |
|
|
1263 |
|
|
|
1264 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
1265 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
1266 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
1267 |
= round_toward_zero; |
|
|
1268 |
}; |
|
|
1269 |
|
|
|
1270 |
/// numeric_limits specialization. |
|
|
1271 |
template<> |
|
|
1272 |
struct numeric_limits |
|
|
1273 |
{ |
|
|
1274 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
1275 |
|
|
|
1276 |
static _GLIBCXX_CONSTEXPR long long |
|
|
1277 |
min() _GLIBCXX_USE_NOEXCEPT { return -__LONG_LONG_MAX__ - 1; } |
|
|
1278 |
|
|
|
1279 |
static _GLIBCXX_CONSTEXPR long long |
|
|
1280 |
max() _GLIBCXX_USE_NOEXCEPT { return __LONG_LONG_MAX__; } |
|
|
1281 |
|
|
|
1282 |
#if __cplusplus >= 201103L |
|
|
1283 |
static constexpr long long |
|
|
1284 |
lowest() noexcept { return min(); } |
|
|
1285 |
#endif |
|
|
1286 |
|
|
|
1287 |
static _GLIBCXX_USE_CONSTEXPR int digits |
|
|
1288 |
= __glibcxx_digits (long long); |
|
|
1289 |
static _GLIBCXX_USE_CONSTEXPR int digits10 |
|
|
1290 |
= __glibcxx_digits10 (long long); |
|
|
1291 |
#if __cplusplus >= 201103L |
|
|
1292 |
static constexpr int max_digits10 = 0; |
|
|
1293 |
#endif |
|
|
1294 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
|
|
1295 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
1296 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
1297 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
1298 |
|
|
|
1299 |
static _GLIBCXX_CONSTEXPR long long |
|
|
1300 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1301 |
|
|
|
1302 |
static _GLIBCXX_CONSTEXPR long long |
|
|
1303 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1304 |
|
|
|
1305 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
1306 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
1307 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
1308 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
1309 |
|
|
|
1310 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
1311 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
1312 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
1313 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
1314 |
= denorm_absent; |
|
|
1315 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
1316 |
|
|
|
1317 |
static _GLIBCXX_CONSTEXPR long long |
|
|
1318 |
infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1319 |
|
|
|
1320 |
static _GLIBCXX_CONSTEXPR long long |
|
|
1321 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1322 |
|
|
|
1323 |
static _GLIBCXX_CONSTEXPR long long |
|
|
1324 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
1325 |
{ return static_cast(0); } |
|
|
1326 |
|
|
|
1327 |
static _GLIBCXX_CONSTEXPR long long |
|
|
1328 |
denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast(0); } |
|
|
1329 |
|
|
|
1330 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
1331 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
1332 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
|
|
1333 |
|
|
|
1334 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
1335 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
1336 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
1337 |
= round_toward_zero; |
|
|
1338 |
}; |
|
|
1339 |
|
|
|
1340 |
/// numeric_limits specialization. |
|
|
1341 |
template<> |
|
|
1342 |
struct numeric_limits |
|
|
1343 |
{ |
|
|
1344 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
1345 |
|
|
|
1346 |
static _GLIBCXX_CONSTEXPR unsigned long long |
|
|
1347 |
min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1348 |
|
|
|
1349 |
static _GLIBCXX_CONSTEXPR unsigned long long |
|
|
1350 |
max() _GLIBCXX_USE_NOEXCEPT { return __LONG_LONG_MAX__ * 2ULL + 1; } |
|
|
1351 |
|
|
|
1352 |
#if __cplusplus >= 201103L |
|
|
1353 |
static constexpr unsigned long long |
|
|
1354 |
lowest() noexcept { return min(); } |
|
|
1355 |
#endif |
|
|
1356 |
|
|
|
1357 |
static _GLIBCXX_USE_CONSTEXPR int digits |
|
|
1358 |
= __glibcxx_digits (unsigned long long); |
|
|
1359 |
static _GLIBCXX_USE_CONSTEXPR int digits10 |
|
|
1360 |
= __glibcxx_digits10 (unsigned long long); |
|
|
1361 |
#if __cplusplus >= 201103L |
|
|
1362 |
static constexpr int max_digits10 = 0; |
|
|
1363 |
#endif |
|
|
1364 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
|
|
1365 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; |
|
|
1366 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; |
|
|
1367 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; |
|
|
1368 |
|
|
|
1369 |
static _GLIBCXX_CONSTEXPR unsigned long long |
|
|
1370 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1371 |
|
|
|
1372 |
static _GLIBCXX_CONSTEXPR unsigned long long |
|
|
1373 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
|
|
1374 |
|
|
|
1375 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; |
|
|
1376 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; |
|
|
1377 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
|
|
1378 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; |
|
|
1379 |
|
|
|
1380 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
|
|
1381 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
|
|
1382 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
|
|
1383 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
1384 |
= denorm_absent; |
|
|
1385 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
|
|
1386 |
|
|
|
1387 |
static _GLIBCXX_CONSTEXPR unsigned long long |
|
|
1388 |
infinity() _GLIBCXX_USE_NOEXCEPT |
|
|
1389 |
{ return static_cast(0); } |
|
|
1390 |
|
|
|
1391 |
static _GLIBCXX_CONSTEXPR unsigned long long |
|
|
1392 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
1393 |
{ return static_cast(0); } |
|
|
1394 |
|
|
|
1395 |
static _GLIBCXX_CONSTEXPR unsigned long long |
|
|
1396 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
|
|
1397 |
{ return static_cast(0); } |
|
|
1398 |
|
|
|
1399 |
static _GLIBCXX_CONSTEXPR unsigned long long |
|
|
1400 |
denorm_min() _GLIBCXX_USE_NOEXCEPT |
|
|
1401 |
{ return static_cast(0); } |
|
|
1402 |
|
|
|
1403 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; |
|
|
1404 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
1405 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; |
|
|
1406 |
|
|
|
1407 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
|
|
1408 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
|
|
1409 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
1410 |
= round_toward_zero; |
|
|
1411 |
}; |
|
|
1412 |
|
|
|
1413 |
#if !defined(__STRICT_ANSI__) |
|
|
1414 |
|
|
|
1415 |
#define __INT_N(TYPE, BITSIZE, EXT, UEXT) \ |
|
|
1416 |
template<> \ |
|
|
1417 |
struct numeric_limits \ |
|
|
1418 |
{ \ |
|
|
1419 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; \ |
|
|
1420 |
\ |
|
|
1421 |
static _GLIBCXX_CONSTEXPR TYPE \ |
|
|
1422 |
min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min_b (TYPE, BITSIZE); } \ |
|
|
1423 |
\ |
|
|
1424 |
static _GLIBCXX_CONSTEXPR TYPE \ |
|
|
1425 |
max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max_b (TYPE, BITSIZE); } \ |
|
|
1426 |
\ |
|
|
1427 |
static _GLIBCXX_USE_CONSTEXPR int digits \ |
|
|
1428 |
= BITSIZE - 1; \ |
|
|
1429 |
static _GLIBCXX_USE_CONSTEXPR int digits10 \ |
|
|
1430 |
= (BITSIZE - 1) * 643L / 2136; \ |
|
|
1431 |
\ |
|
|
1432 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; \ |
|
|
1433 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; \ |
|
|
1434 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; \ |
|
|
1435 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; \ |
|
|
1436 |
\ |
|
|
1437 |
static _GLIBCXX_CONSTEXPR TYPE \ |
|
|
1438 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } \ |
|
|
1439 |
\ |
|
|
1440 |
static _GLIBCXX_CONSTEXPR TYPE \ |
|
|
1441 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } \ |
|
|
1442 |
\ |
|
|
1443 |
EXT \ |
|
|
1444 |
\ |
|
|
1445 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; \ |
|
|
1446 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; \ |
|
|
1447 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; \ |
|
|
1448 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; \ |
|
|
1449 |
\ |
|
|
1450 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; \ |
|
|
1451 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; \ |
|
|
1452 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; \ |
|
|
1453 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm \ |
|
|
1454 |
= denorm_absent; \ |
|
|
1455 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; \ |
|
|
1456 |
\ |
|
|
1457 |
static _GLIBCXX_CONSTEXPR TYPE \ |
|
|
1458 |
infinity() _GLIBCXX_USE_NOEXCEPT \ |
|
|
1459 |
{ return static_cast(0); } \ |
|
|
1460 |
\ |
|
|
1461 |
static _GLIBCXX_CONSTEXPR TYPE \ |
|
|
1462 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT \ |
|
|
1463 |
{ return static_cast(0); } \ |
|
|
1464 |
\ |
|
|
1465 |
static _GLIBCXX_CONSTEXPR TYPE \ |
|
|
1466 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT \ |
|
|
1467 |
{ return static_cast(0); } \ |
|
|
1468 |
\ |
|
|
1469 |
static _GLIBCXX_CONSTEXPR TYPE \ |
|
|
1470 |
denorm_min() _GLIBCXX_USE_NOEXCEPT \ |
|
|
1471 |
{ return static_cast(0); } \ |
|
|
1472 |
\ |
|
|
1473 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; \ |
|
|
1474 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; \ |
|
|
1475 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; \ |
|
|
1476 |
\ |
|
|
1477 |
static _GLIBCXX_USE_CONSTEXPR bool traps \ |
|
|
1478 |
= __glibcxx_integral_traps; \ |
|
|
1479 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; \ |
|
|
1480 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style \ |
|
|
1481 |
= round_toward_zero; \ |
|
|
1482 |
}; \ |
|
|
1483 |
\ |
|
|
1484 |
template<> \ |
|
|
1485 |
struct numeric_limits \ |
|
|
1486 |
{ \ |
|
|
1487 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; \ |
|
|
1488 |
\ |
|
|
1489 |
static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
|
|
1490 |
min() _GLIBCXX_USE_NOEXCEPT { return 0; } \ |
|
|
1491 |
\ |
|
|
1492 |
static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
|
|
1493 |
max() _GLIBCXX_USE_NOEXCEPT \ |
|
|
1494 |
{ return __glibcxx_max_b (unsigned TYPE, BITSIZE); } \ |
|
|
1495 |
\ |
|
|
1496 |
UEXT \ |
|
|
1497 |
\ |
|
|
1498 |
static _GLIBCXX_USE_CONSTEXPR int digits \ |
|
|
1499 |
= BITSIZE; \ |
|
|
1500 |
static _GLIBCXX_USE_CONSTEXPR int digits10 \ |
|
|
1501 |
= BITSIZE * 643L / 2136; \ |
|
|
1502 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; \ |
|
|
1503 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; \ |
|
|
1504 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; \ |
|
|
1505 |
static _GLIBCXX_USE_CONSTEXPR int radix = 2; \ |
|
|
1506 |
\ |
|
|
1507 |
static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
|
|
1508 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } \ |
|
|
1509 |
\ |
|
|
1510 |
static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
|
|
1511 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } \ |
|
|
1512 |
\ |
|
|
1513 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; \ |
|
|
1514 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; \ |
|
|
1515 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; \ |
|
|
1516 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; \ |
|
|
1517 |
\ |
|
|
1518 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; \ |
|
|
1519 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; \ |
|
|
1520 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; \ |
|
|
1521 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm \ |
|
|
1522 |
= denorm_absent; \ |
|
|
1523 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; \ |
|
|
1524 |
\ |
|
|
1525 |
static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
|
|
1526 |
infinity() _GLIBCXX_USE_NOEXCEPT \ |
|
|
1527 |
{ return static_cast(0); } \ |
|
|
1528 |
\ |
|
|
1529 |
static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
|
|
1530 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT \ |
|
|
1531 |
{ return static_cast(0); } \ |
|
|
1532 |
\ |
|
|
1533 |
static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
|
|
1534 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT \ |
|
|
1535 |
{ return static_cast(0); } \ |
|
|
1536 |
\ |
|
|
1537 |
static _GLIBCXX_CONSTEXPR unsigned TYPE \ |
|
|
1538 |
denorm_min() _GLIBCXX_USE_NOEXCEPT \ |
|
|
1539 |
{ return static_cast(0); } \ |
|
|
1540 |
\ |
|
|
1541 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; \ |
|
|
1542 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; \ |
|
|
1543 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; \ |
|
|
1544 |
\ |
|
|
1545 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; \ |
|
|
1546 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; \ |
|
|
1547 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style \ |
|
|
1548 |
= round_toward_zero; \ |
|
|
1549 |
}; |
|
|
1550 |
|
|
|
1551 |
#if __cplusplus >= 201103L |
|
|
1552 |
|
|
|
1553 |
#define __INT_N_201103(TYPE) \ |
|
|
1554 |
static constexpr TYPE \ |
|
|
1555 |
lowest() noexcept { return min(); } \ |
|
|
1556 |
static constexpr int max_digits10 = 0; |
|
|
1557 |
|
|
|
1558 |
#define __INT_N_U201103(TYPE) \ |
|
|
1559 |
static constexpr unsigned TYPE \ |
|
|
1560 |
lowest() noexcept { return min(); } \ |
|
|
1561 |
static constexpr int max_digits10 = 0; |
|
|
1562 |
|
|
|
1563 |
#else |
|
|
1564 |
#define __INT_N_201103(TYPE) |
|
|
1565 |
#define __INT_N_U201103(TYPE) |
|
|
1566 |
#endif |
|
|
1567 |
|
|
|
1568 |
#ifdef __GLIBCXX_TYPE_INT_N_0 |
|
|
1569 |
__INT_N(__GLIBCXX_TYPE_INT_N_0, __GLIBCXX_BITSIZE_INT_N_0, |
|
|
1570 |
__INT_N_201103 (__GLIBCXX_TYPE_INT_N_0), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_0)) |
|
|
1571 |
#endif |
|
|
1572 |
#ifdef __GLIBCXX_TYPE_INT_N_1 |
|
|
1573 |
__INT_N (__GLIBCXX_TYPE_INT_N_1, __GLIBCXX_BITSIZE_INT_N_1, |
|
|
1574 |
__INT_N_201103 (__GLIBCXX_TYPE_INT_N_1), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_1)) |
|
|
1575 |
#endif |
|
|
1576 |
#ifdef __GLIBCXX_TYPE_INT_N_2 |
|
|
1577 |
__INT_N (__GLIBCXX_TYPE_INT_N_2, __GLIBCXX_BITSIZE_INT_N_2, |
|
|
1578 |
__INT_N_201103 (__GLIBCXX_TYPE_INT_N_2), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_2)) |
|
|
1579 |
#endif |
|
|
1580 |
#ifdef __GLIBCXX_TYPE_INT_N_3 |
|
|
1581 |
__INT_N (__GLIBCXX_TYPE_INT_N_3, __GLIBCXX_BITSIZE_INT_N_3, |
|
|
1582 |
__INT_N_201103 (__GLIBCXX_TYPE_INT_N_3), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_3)) |
|
|
1583 |
#endif |
|
|
1584 |
|
|
|
1585 |
#undef __INT_N |
|
|
1586 |
#undef __INT_N_201103 |
|
|
1587 |
#undef __INT_N_U201103 |
|
|
1588 |
|
|
|
1589 |
#endif |
|
|
1590 |
|
|
|
1591 |
/// numeric_limits specialization. |
|
|
1592 |
template<> |
|
|
1593 |
struct numeric_limits |
|
|
1594 |
{ |
|
|
1595 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
1596 |
|
|
|
1597 |
static _GLIBCXX_CONSTEXPR float |
|
|
1598 |
min() _GLIBCXX_USE_NOEXCEPT { return __FLT_MIN__; } |
|
|
1599 |
|
|
|
1600 |
static _GLIBCXX_CONSTEXPR float |
|
|
1601 |
max() _GLIBCXX_USE_NOEXCEPT { return __FLT_MAX__; } |
|
|
1602 |
|
|
|
1603 |
#if __cplusplus >= 201103L |
|
|
1604 |
static constexpr float |
|
|
1605 |
lowest() noexcept { return -__FLT_MAX__; } |
|
|
1606 |
#endif |
|
|
1607 |
|
|
|
1608 |
static _GLIBCXX_USE_CONSTEXPR int digits = __FLT_MANT_DIG__; |
|
|
1609 |
static _GLIBCXX_USE_CONSTEXPR int digits10 = __FLT_DIG__; |
|
|
1610 |
#if __cplusplus >= 201103L |
|
|
1611 |
static constexpr int max_digits10 |
|
|
1612 |
= __glibcxx_max_digits10 (__FLT_MANT_DIG__); |
|
|
1613 |
#endif |
|
|
1614 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
|
|
1615 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; |
|
|
1616 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; |
|
|
1617 |
static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; |
|
|
1618 |
|
|
|
1619 |
static _GLIBCXX_CONSTEXPR float |
|
|
1620 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return __FLT_EPSILON__; } |
|
|
1621 |
|
|
|
1622 |
static _GLIBCXX_CONSTEXPR float |
|
|
1623 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5F; } |
|
|
1624 |
|
|
|
1625 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = __FLT_MIN_EXP__; |
|
|
1626 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __FLT_MIN_10_EXP__; |
|
|
1627 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = __FLT_MAX_EXP__; |
|
|
1628 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __FLT_MAX_10_EXP__; |
|
|
1629 |
|
|
|
1630 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __FLT_HAS_INFINITY__; |
|
|
1631 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __FLT_HAS_QUIET_NAN__; |
|
|
1632 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; |
|
|
1633 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
1634 |
= bool(__FLT_HAS_DENORM__) ? denorm_present : denorm_absent; |
|
|
1635 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
|
|
1636 |
= __glibcxx_float_has_denorm_loss; |
|
|
1637 |
|
|
|
1638 |
static _GLIBCXX_CONSTEXPR float |
|
|
1639 |
infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_valf(); } |
|
|
1640 |
|
|
|
1641 |
static _GLIBCXX_CONSTEXPR float |
|
|
1642 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nanf(""); } |
|
|
1643 |
|
|
|
1644 |
static _GLIBCXX_CONSTEXPR float |
|
|
1645 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nansf(""); } |
|
|
1646 |
|
|
|
1647 |
static _GLIBCXX_CONSTEXPR float |
|
|
1648 |
denorm_min() _GLIBCXX_USE_NOEXCEPT { return __FLT_DENORM_MIN__; } |
|
|
1649 |
|
|
|
1650 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 |
|
|
1651 |
= has_infinity && has_quiet_NaN && has_denorm == denorm_present; |
|
|
1652 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
1653 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
|
|
1654 |
|
|
|
1655 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_float_traps; |
|
|
1656 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before |
|
|
1657 |
= __glibcxx_float_tinyness_before; |
|
|
1658 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
1659 |
= round_to_nearest; |
|
|
1660 |
}; |
|
|
1661 |
|
|
|
1662 |
#undef __glibcxx_float_has_denorm_loss |
|
|
1663 |
#undef __glibcxx_float_traps |
|
|
1664 |
#undef __glibcxx_float_tinyness_before |
|
|
1665 |
|
|
|
1666 |
/// numeric_limits specialization. |
|
|
1667 |
template<> |
|
|
1668 |
struct numeric_limits |
|
|
1669 |
{ |
|
|
1670 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
1671 |
|
|
|
1672 |
static _GLIBCXX_CONSTEXPR double |
|
|
1673 |
min() _GLIBCXX_USE_NOEXCEPT { return __DBL_MIN__; } |
|
|
1674 |
|
|
|
1675 |
static _GLIBCXX_CONSTEXPR double |
|
|
1676 |
max() _GLIBCXX_USE_NOEXCEPT { return __DBL_MAX__; } |
|
|
1677 |
|
|
|
1678 |
#if __cplusplus >= 201103L |
|
|
1679 |
static constexpr double |
|
|
1680 |
lowest() noexcept { return -__DBL_MAX__; } |
|
|
1681 |
#endif |
|
|
1682 |
|
|
|
1683 |
static _GLIBCXX_USE_CONSTEXPR int digits = __DBL_MANT_DIG__; |
|
|
1684 |
static _GLIBCXX_USE_CONSTEXPR int digits10 = __DBL_DIG__; |
|
|
1685 |
#if __cplusplus >= 201103L |
|
|
1686 |
static constexpr int max_digits10 |
|
|
1687 |
= __glibcxx_max_digits10 (__DBL_MANT_DIG__); |
|
|
1688 |
#endif |
|
|
1689 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
|
|
1690 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; |
|
|
1691 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; |
|
|
1692 |
static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; |
|
|
1693 |
|
|
|
1694 |
static _GLIBCXX_CONSTEXPR double |
|
|
1695 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return __DBL_EPSILON__; } |
|
|
1696 |
|
|
|
1697 |
static _GLIBCXX_CONSTEXPR double |
|
|
1698 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5; } |
|
|
1699 |
|
|
|
1700 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = __DBL_MIN_EXP__; |
|
|
1701 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __DBL_MIN_10_EXP__; |
|
|
1702 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = __DBL_MAX_EXP__; |
|
|
1703 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __DBL_MAX_10_EXP__; |
|
|
1704 |
|
|
|
1705 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __DBL_HAS_INFINITY__; |
|
|
1706 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __DBL_HAS_QUIET_NAN__; |
|
|
1707 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; |
|
|
1708 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
1709 |
= bool(__DBL_HAS_DENORM__) ? denorm_present : denorm_absent; |
|
|
1710 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
|
|
1711 |
= __glibcxx_double_has_denorm_loss; |
|
|
1712 |
|
|
|
1713 |
static _GLIBCXX_CONSTEXPR double |
|
|
1714 |
infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_val(); } |
|
|
1715 |
|
|
|
1716 |
static _GLIBCXX_CONSTEXPR double |
|
|
1717 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nan(""); } |
|
|
1718 |
|
|
|
1719 |
static _GLIBCXX_CONSTEXPR double |
|
|
1720 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nans(""); } |
|
|
1721 |
|
|
|
1722 |
static _GLIBCXX_CONSTEXPR double |
|
|
1723 |
denorm_min() _GLIBCXX_USE_NOEXCEPT { return __DBL_DENORM_MIN__; } |
|
|
1724 |
|
|
|
1725 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 |
|
|
1726 |
= has_infinity && has_quiet_NaN && has_denorm == denorm_present; |
|
|
1727 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
1728 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
|
|
1729 |
|
|
|
1730 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_double_traps; |
|
|
1731 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before |
|
|
1732 |
= __glibcxx_double_tinyness_before; |
|
|
1733 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
|
|
1734 |
= round_to_nearest; |
|
|
1735 |
}; |
|
|
1736 |
|
|
|
1737 |
#undef __glibcxx_double_has_denorm_loss |
|
|
1738 |
#undef __glibcxx_double_traps |
|
|
1739 |
#undef __glibcxx_double_tinyness_before |
|
|
1740 |
|
|
|
1741 |
/// numeric_limits specialization. |
|
|
1742 |
template<> |
|
|
1743 |
struct numeric_limits |
|
|
1744 |
{ |
|
|
1745 |
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
|
|
1746 |
|
|
|
1747 |
static _GLIBCXX_CONSTEXPR long double |
|
|
1748 |
min() _GLIBCXX_USE_NOEXCEPT { return __LDBL_MIN__; } |
|
|
1749 |
|
|
|
1750 |
static _GLIBCXX_CONSTEXPR long double |
|
|
1751 |
max() _GLIBCXX_USE_NOEXCEPT { return __LDBL_MAX__; } |
|
|
1752 |
|
|
|
1753 |
#if __cplusplus >= 201103L |
|
|
1754 |
static constexpr long double |
|
|
1755 |
lowest() noexcept { return -__LDBL_MAX__; } |
|
|
1756 |
#endif |
|
|
1757 |
|
|
|
1758 |
static _GLIBCXX_USE_CONSTEXPR int digits = __LDBL_MANT_DIG__; |
|
|
1759 |
static _GLIBCXX_USE_CONSTEXPR int digits10 = __LDBL_DIG__; |
|
|
1760 |
#if __cplusplus >= 201103L |
|
|
1761 |
static _GLIBCXX_USE_CONSTEXPR int max_digits10 |
|
|
1762 |
= __glibcxx_max_digits10 (__LDBL_MANT_DIG__); |
|
|
1763 |
#endif |
|
|
1764 |
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
|
|
1765 |
static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; |
|
|
1766 |
static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; |
|
|
1767 |
static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; |
|
|
1768 |
|
|
|
1769 |
static _GLIBCXX_CONSTEXPR long double |
|
|
1770 |
epsilon() _GLIBCXX_USE_NOEXCEPT { return __LDBL_EPSILON__; } |
|
|
1771 |
|
|
|
1772 |
static _GLIBCXX_CONSTEXPR long double |
|
|
1773 |
round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5L; } |
|
|
1774 |
|
|
|
1775 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent = __LDBL_MIN_EXP__; |
|
|
1776 |
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __LDBL_MIN_10_EXP__; |
|
|
1777 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent = __LDBL_MAX_EXP__; |
|
|
1778 |
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __LDBL_MAX_10_EXP__; |
|
|
1779 |
|
|
|
1780 |
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __LDBL_HAS_INFINITY__; |
|
|
1781 |
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __LDBL_HAS_QUIET_NAN__; |
|
|
1782 |
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; |
|
|
1783 |
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
|
|
1784 |
= bool(__LDBL_HAS_DENORM__) ? denorm_present : denorm_absent; |
|
|
1785 |
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
|
|
1786 |
= __glibcxx_long_double_has_denorm_loss; |
|
|
1787 |
|
|
|
1788 |
static _GLIBCXX_CONSTEXPR long double |
|
|
1789 |
infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_vall(); } |
|
|
1790 |
|
|
|
1791 |
static _GLIBCXX_CONSTEXPR long double |
|
|
1792 |
quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nanl(""); } |
|
|
1793 |
|
|
|
1794 |
static _GLIBCXX_CONSTEXPR long double |
|
|
1795 |
signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nansl(""); } |
|
|
1796 |
|
|
|
1797 |
static _GLIBCXX_CONSTEXPR long double |
|
|
1798 |
denorm_min() _GLIBCXX_USE_NOEXCEPT { return __LDBL_DENORM_MIN__; } |
|
|
1799 |
|
|
|
1800 |
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 |
|
|
1801 |
= has_infinity && has_quiet_NaN && has_denorm == denorm_present; |
|
|
1802 |
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; |
|
|
1803 |
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
|
|
1804 |
|
|
|
1805 |
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_long_double_traps; |
|
|
1806 |
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = |
|
|
1807 |
__glibcxx_long_double_tinyness_before; |
|
|
1808 |
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style = |
|
|
1809 |
round_to_nearest; |
|
|
1810 |
}; |
|
|
1811 |
|
|
|
1812 |
#undef __glibcxx_long_double_has_denorm_loss |
|
|
1813 |
#undef __glibcxx_long_double_traps |
|
|
1814 |
#undef __glibcxx_long_double_tinyness_before |
|
|
1815 |
|
|
|
1816 |
_GLIBCXX_END_NAMESPACE_VERSION |
|
|
1817 |
} // namespace |
|
|
1818 |
|
|
|
1819 |
#undef __glibcxx_signed |
|
|
1820 |
#undef __glibcxx_min |
|
|
1821 |
#undef __glibcxx_max |
|
|
1822 |
#undef __glibcxx_digits |
|
|
1823 |
#undef __glibcxx_digits10 |
|
|
1824 |
#undef __glibcxx_max_digits10 |
|
|
1825 |
|
|
|
1826 |
#endif // _GLIBCXX_NUMERIC_LIMITS |