X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Finclude%2Fstd%2Flimits;fp=libstdc%2B%2B-v3%2Finclude%2Fstd%2Flimits;h=41bf806d5eb771cc5cfadef8630c120527f6bc39;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/include/std/limits b/libstdc++-v3/include/std/limits new file mode 100644 index 00000000..41bf806d --- /dev/null +++ b/libstdc++-v3/include/std/limits @@ -0,0 +1,1256 @@ +// The template and inlines for the numeric_limits classes. -*- C++ -*- + +// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, +// 2008, 2009 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// . + +/** @file limits + * This is a Standard C++ Library header. + */ + +// Note: this is not a conforming implementation. +// Written by Gabriel Dos Reis + +// +// ISO 14882:1998 +// 18.2.1 +// + +#ifndef _GLIBCXX_NUMERIC_LIMITS +#define _GLIBCXX_NUMERIC_LIMITS 1 + +#pragma GCC system_header + +#include + +// +// The numeric_limits<> traits document implementation-defined aspects +// of fundamental arithmetic data types (integers and floating points). +// From Standard C++ point of view, there are 13 such types: +// * integers +// bool (1) +// char, signed char, unsigned char (3) +// short, unsigned short (2) +// int, unsigned (2) +// long, unsigned long (2) +// +// * floating points +// float (1) +// double (1) +// long double (1) +// +// GNU C++ understands (where supported by the host C-library) +// * integer +// long long, unsigned long long (2) +// +// which brings us to 15 fundamental arithmetic data types in GNU C++. +// +// +// Since a numeric_limits<> is a bit tricky to get right, we rely on +// an interface composed of macros which should be defined in config/os +// or config/cpu when they differ from the generic (read arbitrary) +// definitions given here. +// + +// These values can be overridden in the target configuration file. +// The default values are appropriate for many 32-bit targets. + +// GCC only intrinsically supports modulo integral types. The only remaining +// integral exceptional values is division by zero. Only targets that do not +// signal division by zero in some "hard to ignore" way should use false. +#ifndef __glibcxx_integral_traps +# define __glibcxx_integral_traps true +#endif + +// float +// + +// Default values. Should be overridden in configuration files if necessary. + +#ifndef __glibcxx_float_has_denorm_loss +# define __glibcxx_float_has_denorm_loss false +#endif +#ifndef __glibcxx_float_traps +# define __glibcxx_float_traps false +#endif +#ifndef __glibcxx_float_tinyness_before +# define __glibcxx_float_tinyness_before false +#endif + +// double + +// Default values. Should be overridden in configuration files if necessary. + +#ifndef __glibcxx_double_has_denorm_loss +# define __glibcxx_double_has_denorm_loss false +#endif +#ifndef __glibcxx_double_traps +# define __glibcxx_double_traps false +#endif +#ifndef __glibcxx_double_tinyness_before +# define __glibcxx_double_tinyness_before false +#endif + +// long double + +// Default values. Should be overridden in configuration files if necessary. + +#ifndef __glibcxx_long_double_has_denorm_loss +# define __glibcxx_long_double_has_denorm_loss false +#endif +#ifndef __glibcxx_long_double_traps +# define __glibcxx_long_double_traps false +#endif +#ifndef __glibcxx_long_double_tinyness_before +# define __glibcxx_long_double_tinyness_before false +#endif + +// You should not need to define any macros below this point. + +#define __glibcxx_signed(T) ((T)(-1) < 0) + +#define __glibcxx_min(T) \ + (__glibcxx_signed (T) ? (T)1 << __glibcxx_digits (T) : (T)0) + +#define __glibcxx_max(T) \ + (__glibcxx_signed (T) ? \ + (((((T)1 << (__glibcxx_digits (T) - 1)) - 1) << 1) + 1) : ~(T)0) + +#define __glibcxx_digits(T) \ + (sizeof(T) * __CHAR_BIT__ - __glibcxx_signed (T)) + +// The fraction 643/2136 approximates log10(2) to 7 significant digits. +#define __glibcxx_digits10(T) \ + (__glibcxx_digits (T) * 643 / 2136) + + +_GLIBCXX_BEGIN_NAMESPACE(std) + + /** + * @brief Describes the rounding style for floating-point types. + * + * This is used in the std::numeric_limits class. + */ + enum float_round_style + { + round_indeterminate = -1, ///< Self-explanatory. + round_toward_zero = 0, ///< Self-explanatory. + round_to_nearest = 1, ///< To the nearest representable value. + round_toward_infinity = 2, ///< Self-explanatory. + round_toward_neg_infinity = 3 ///< Self-explanatory. + }; + + /** + * @brief Describes the denormalization for floating-point types. + * + * These values represent the presence or absence of a variable number + * of exponent bits. This type is used in the std::numeric_limits class. + */ + enum float_denorm_style + { + /// Indeterminate at compile time whether denormalized values are allowed. + denorm_indeterminate = -1, + /// The type does not allow denormalized values. + denorm_absent = 0, + /// The type allows denormalized values. + denorm_present = 1 + }; + + /** + * @brief Part of std::numeric_limits. + * + * The @c static @c const members are usable as integral constant + * expressions. + * + * @note This is a separate class for purposes of efficiency; you + * should only access these members as part of an instantiation + * of the std::numeric_limits class. + */ + struct __numeric_limits_base + { + /** This will be true for all fundamental types (which have + specializations), and false for everything else. */ + static const bool is_specialized = false; + + /** The number of @c radix digits that be represented without change: for + integer types, the number of non-sign bits in the mantissa; for + floating types, the number of @c radix digits in the mantissa. */ + static const int digits = 0; + /** The number of base 10 digits that can be represented without change. */ + static const int digits10 = 0; + /** True if the type is signed. */ + static const bool is_signed = false; + /** True if the type is integer. + * Is this supposed to be "if the type is integral"? + */ + static const bool is_integer = false; + /** True if the type uses an exact representation. "All integer types are + exact, but not all exact types are integer. For example, rational and + fixed-exponent representations are exact but not integer." + [18.2.1.2]/15 */ + static const bool is_exact = false; + /** For integer types, specifies the base of the representation. For + floating types, specifies the base of the exponent representation. */ + static const int radix = 0; + + /** The minimum negative integer such that @c radix raised to the power of + (one less than that integer) is a normalized floating point number. */ + static const int min_exponent = 0; + /** The minimum negative integer such that 10 raised to that power is in + the range of normalized floating point numbers. */ + static const int min_exponent10 = 0; + /** The maximum positive integer such that @c radix raised to the power of + (one less than that integer) is a representable finite floating point + number. */ + static const int max_exponent = 0; + /** The maximum positive integer such that 10 raised to that power is in + the range of representable finite floating point numbers. */ + static const int max_exponent10 = 0; + + /** True if the type has a representation for positive infinity. */ + static const bool has_infinity = false; + /** True if the type has a representation for a quiet (non-signaling) + "Not a Number." */ + static const bool has_quiet_NaN = false; + /** True if the type has a representation for a signaling + "Not a Number." */ + static const bool has_signaling_NaN = false; + /** See std::float_denorm_style for more information. */ + static const float_denorm_style has_denorm = denorm_absent; + /** "True if loss of accuracy is detected as a denormalization loss, + rather than as an inexact result." [18.2.1.2]/42 */ + static const bool has_denorm_loss = false; + + /** True if-and-only-if the type adheres to the IEC 559 standard, also + known as IEEE 754. (Only makes sense for floating point types.) */ + static const bool is_iec559 = false; + /** "True if the set of values representable by the type is finite. All + built-in types are bounded, this member would be false for arbitrary + precision types." [18.2.1.2]/54 */ + static const bool is_bounded = false; + /** True if the type is @e modulo, that is, if it is possible to add two + positive numbers and have a result that wraps around to a third number + that is less. Typically false for floating types, true for unsigned + integers, and true for signed integers. */ + static const bool is_modulo = false; + + /** True if trapping is implemented for this type. */ + static const bool traps = false; + /** True if tininess is detected before rounding. (see IEC 559) */ + static const bool tinyness_before = false; + /** See std::float_round_style for more information. This is only + meaningful for floating types; integer types will all be + round_toward_zero. */ + static const float_round_style round_style = round_toward_zero; + }; + + /** + * @brief Properties of fundamental types. + * + * This class allows a program to obtain information about the + * representation of a fundamental type on a given platform. For + * non-fundamental types, the functions will return 0 and the data + * members will all be @c false. + * + * _GLIBCXX_RESOLVE_LIB_DEFECTS: DRs 201 and 184 (hi Gaby!) are + * noted, but not incorporated in this documented (yet). + */ + template + struct numeric_limits : public __numeric_limits_base + { + /** The minimum finite value, or for floating types with + denormalization, the minimum positive normalized value. */ + static _Tp min() throw() { return static_cast<_Tp>(0); } + /** The maximum finite value. */ + static _Tp max() throw() { return static_cast<_Tp>(0); } + /** The @e machine @e epsilon: the difference between 1 and the least + value greater than 1 that is representable. */ + static _Tp epsilon() throw() { return static_cast<_Tp>(0); } + /** The maximum rounding error measurement (see LIA-1). */ + static _Tp round_error() throw() { return static_cast<_Tp>(0); } + /** The representation of positive infinity, if @c has_infinity. */ + static _Tp infinity() throw() { return static_cast<_Tp>(0); } + /** The representation of a quiet "Not a Number," if @c has_quiet_NaN. */ + static _Tp quiet_NaN() throw() { return static_cast<_Tp>(0); } + /** The representation of a signaling "Not a Number," if + @c has_signaling_NaN. */ + static _Tp signaling_NaN() throw() { return static_cast<_Tp>(0); } + /** The minimum positive denormalized value. For types where + @c has_denorm is false, this is the minimum positive normalized + value. */ + static _Tp denorm_min() throw() { return static_cast<_Tp>(0); } + }; + + // Now there follow 15 explicit specializations. Yes, 15. Make sure + // you get the count right. + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static bool min() throw() + { return false; } + static bool max() throw() + { return true; } + + static const int digits = 1; + static const int digits10 = 0; + static const bool is_signed = false; + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static bool epsilon() throw() + { return false; } + static bool round_error() throw() + { return false; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static bool infinity() throw() + { return false; } + static bool quiet_NaN() throw() + { return false; } + static bool signaling_NaN() throw() + { return false; } + static bool denorm_min() throw() + { return false; } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = false; + + // It is not clear what it means for a boolean type to trap. + // This is a DR on the LWG issue list. Here, I use integer + // promotion semantics. + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static char min() throw() + { return __glibcxx_min(char); } + static char max() throw() + { return __glibcxx_max(char); } + + static const int digits = __glibcxx_digits (char); + static const int digits10 = __glibcxx_digits10 (char); + static const bool is_signed = __glibcxx_signed (char); + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static char epsilon() throw() + { return 0; } + static char round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static char infinity() throw() + { return char(); } + static char quiet_NaN() throw() + { return char(); } + static char signaling_NaN() throw() + { return char(); } + static char denorm_min() throw() + { return static_cast(0); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static signed char min() throw() + { return -__SCHAR_MAX__ - 1; } + static signed char max() throw() + { return __SCHAR_MAX__; } + + static const int digits = __glibcxx_digits (signed char); + static const int digits10 = __glibcxx_digits10 (signed char); + static const bool is_signed = true; + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static signed char epsilon() throw() + { return 0; } + static signed char round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static signed char infinity() throw() + { return static_cast(0); } + static signed char quiet_NaN() throw() + { return static_cast(0); } + static signed char signaling_NaN() throw() + { return static_cast(0); } + static signed char denorm_min() throw() + { return static_cast(0); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static unsigned char min() throw() + { return 0; } + static unsigned char max() throw() + { return __SCHAR_MAX__ * 2U + 1; } + + static const int digits = __glibcxx_digits (unsigned char); + static const int digits10 = __glibcxx_digits10 (unsigned char); + static const bool is_signed = false; + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static unsigned char epsilon() throw() + { return 0; } + static unsigned char round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static unsigned char infinity() throw() + { return static_cast(0); } + static unsigned char quiet_NaN() throw() + { return static_cast(0); } + static unsigned char signaling_NaN() throw() + { return static_cast(0); } + static unsigned char denorm_min() throw() + { return static_cast(0); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static wchar_t min() throw() + { return __glibcxx_min (wchar_t); } + static wchar_t max() throw() + { return __glibcxx_max (wchar_t); } + + static const int digits = __glibcxx_digits (wchar_t); + static const int digits10 = __glibcxx_digits10 (wchar_t); + static const bool is_signed = __glibcxx_signed (wchar_t); + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static wchar_t epsilon() throw() + { return 0; } + static wchar_t round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static wchar_t infinity() throw() + { return wchar_t(); } + static wchar_t quiet_NaN() throw() + { return wchar_t(); } + static wchar_t signaling_NaN() throw() + { return wchar_t(); } + static wchar_t denorm_min() throw() + { return wchar_t(); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + +#ifdef __GXX_EXPERIMENTAL_CXX0X__ + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static char16_t min() throw() + { return __glibcxx_min (char16_t); } + static char16_t max() throw() + { return __glibcxx_max (char16_t); } + + static const int digits = __glibcxx_digits (char16_t); + static const int digits10 = __glibcxx_digits10 (char16_t); + static const bool is_signed = __glibcxx_signed (char16_t); + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static char16_t epsilon() throw() + { return 0; } + static char16_t round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static char16_t infinity() throw() + { return char16_t(); } + static char16_t quiet_NaN() throw() + { return char16_t(); } + static char16_t signaling_NaN() throw() + { return char16_t(); } + static char16_t denorm_min() throw() + { return char16_t(); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static char32_t min() throw() + { return __glibcxx_min (char32_t); } + static char32_t max() throw() + { return __glibcxx_max (char32_t); } + + static const int digits = __glibcxx_digits (char32_t); + static const int digits10 = __glibcxx_digits10 (char32_t); + static const bool is_signed = __glibcxx_signed (char32_t); + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static char32_t epsilon() throw() + { return 0; } + static char32_t round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static char32_t infinity() throw() + { return char32_t(); } + static char32_t quiet_NaN() throw() + { return char32_t(); } + static char32_t signaling_NaN() throw() + { return char32_t(); } + static char32_t denorm_min() throw() + { return char32_t(); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; +#endif + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static short min() throw() + { return -__SHRT_MAX__ - 1; } + static short max() throw() + { return __SHRT_MAX__; } + + static const int digits = __glibcxx_digits (short); + static const int digits10 = __glibcxx_digits10 (short); + static const bool is_signed = true; + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static short epsilon() throw() + { return 0; } + static short round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static short infinity() throw() + { return short(); } + static short quiet_NaN() throw() + { return short(); } + static short signaling_NaN() throw() + { return short(); } + static short denorm_min() throw() + { return short(); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static unsigned short min() throw() + { return 0; } + static unsigned short max() throw() + { return __SHRT_MAX__ * 2U + 1; } + + static const int digits = __glibcxx_digits (unsigned short); + static const int digits10 = __glibcxx_digits10 (unsigned short); + static const bool is_signed = false; + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static unsigned short epsilon() throw() + { return 0; } + static unsigned short round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static unsigned short infinity() throw() + { return static_cast(0); } + static unsigned short quiet_NaN() throw() + { return static_cast(0); } + static unsigned short signaling_NaN() throw() + { return static_cast(0); } + static unsigned short denorm_min() throw() + { return static_cast(0); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static int min() throw() + { return -__INT_MAX__ - 1; } + static int max() throw() + { return __INT_MAX__; } + + static const int digits = __glibcxx_digits (int); + static const int digits10 = __glibcxx_digits10 (int); + static const bool is_signed = true; + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static int epsilon() throw() + { return 0; } + static int round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static int infinity() throw() + { return static_cast(0); } + static int quiet_NaN() throw() + { return static_cast(0); } + static int signaling_NaN() throw() + { return static_cast(0); } + static int denorm_min() throw() + { return static_cast(0); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static unsigned int min() throw() + { return 0; } + static unsigned int max() throw() + { return __INT_MAX__ * 2U + 1; } + + static const int digits = __glibcxx_digits (unsigned int); + static const int digits10 = __glibcxx_digits10 (unsigned int); + static const bool is_signed = false; + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static unsigned int epsilon() throw() + { return 0; } + static unsigned int round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static unsigned int infinity() throw() + { return static_cast(0); } + static unsigned int quiet_NaN() throw() + { return static_cast(0); } + static unsigned int signaling_NaN() throw() + { return static_cast(0); } + static unsigned int denorm_min() throw() + { return static_cast(0); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static long min() throw() + { return -__LONG_MAX__ - 1; } + static long max() throw() + { return __LONG_MAX__; } + + static const int digits = __glibcxx_digits (long); + static const int digits10 = __glibcxx_digits10 (long); + static const bool is_signed = true; + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static long epsilon() throw() + { return 0; } + static long round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static long infinity() throw() + { return static_cast(0); } + static long quiet_NaN() throw() + { return static_cast(0); } + static long signaling_NaN() throw() + { return static_cast(0); } + static long denorm_min() throw() + { return static_cast(0); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static unsigned long min() throw() + { return 0; } + static unsigned long max() throw() + { return __LONG_MAX__ * 2UL + 1; } + + static const int digits = __glibcxx_digits (unsigned long); + static const int digits10 = __glibcxx_digits10 (unsigned long); + static const bool is_signed = false; + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static unsigned long epsilon() throw() + { return 0; } + static unsigned long round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static unsigned long infinity() throw() + { return static_cast(0); } + static unsigned long quiet_NaN() throw() + { return static_cast(0); } + static unsigned long signaling_NaN() throw() + { return static_cast(0); } + static unsigned long denorm_min() throw() + { return static_cast(0); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static long long min() throw() + { return -__LONG_LONG_MAX__ - 1; } + static long long max() throw() + { return __LONG_LONG_MAX__; } + + static const int digits = __glibcxx_digits (long long); + static const int digits10 = __glibcxx_digits10 (long long); + static const bool is_signed = true; + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static long long epsilon() throw() + { return 0; } + static long long round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static long long infinity() throw() + { return static_cast(0); } + static long long quiet_NaN() throw() + { return static_cast(0); } + static long long signaling_NaN() throw() + { return static_cast(0); } + static long long denorm_min() throw() + { return static_cast(0); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static unsigned long long min() throw() + { return 0; } + static unsigned long long max() throw() + { return __LONG_LONG_MAX__ * 2ULL + 1; } + + static const int digits = __glibcxx_digits (unsigned long long); + static const int digits10 = __glibcxx_digits10 (unsigned long long); + static const bool is_signed = false; + static const bool is_integer = true; + static const bool is_exact = true; + static const int radix = 2; + static unsigned long long epsilon() throw() + { return 0; } + static unsigned long long round_error() throw() + { return 0; } + + static const int min_exponent = 0; + static const int min_exponent10 = 0; + static const int max_exponent = 0; + static const int max_exponent10 = 0; + + static const bool has_infinity = false; + static const bool has_quiet_NaN = false; + static const bool has_signaling_NaN = false; + static const float_denorm_style has_denorm = denorm_absent; + static const bool has_denorm_loss = false; + + static unsigned long long infinity() throw() + { return static_cast(0); } + static unsigned long long quiet_NaN() throw() + { return static_cast(0); } + static unsigned long long signaling_NaN() throw() + { return static_cast(0); } + static unsigned long long denorm_min() throw() + { return static_cast(0); } + + static const bool is_iec559 = false; + static const bool is_bounded = true; + static const bool is_modulo = true; + + static const bool traps = __glibcxx_integral_traps; + static const bool tinyness_before = false; + static const float_round_style round_style = round_toward_zero; + }; + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static float min() throw() + { return __FLT_MIN__; } + static float max() throw() + { return __FLT_MAX__; } + + static const int digits = __FLT_MANT_DIG__; + static const int digits10 = __FLT_DIG__; + static const bool is_signed = true; + static const bool is_integer = false; + static const bool is_exact = false; + static const int radix = __FLT_RADIX__; + static float epsilon() throw() + { return __FLT_EPSILON__; } + static float round_error() throw() + { return 0.5F; } + + static const int min_exponent = __FLT_MIN_EXP__; + static const int min_exponent10 = __FLT_MIN_10_EXP__; + static const int max_exponent = __FLT_MAX_EXP__; + static const int max_exponent10 = __FLT_MAX_10_EXP__; + + static const bool has_infinity = __FLT_HAS_INFINITY__; + static const bool has_quiet_NaN = __FLT_HAS_QUIET_NAN__; + static const bool has_signaling_NaN = has_quiet_NaN; + static const float_denorm_style has_denorm + = bool(__FLT_HAS_DENORM__) ? denorm_present : denorm_absent; + static const bool has_denorm_loss = __glibcxx_float_has_denorm_loss; + + static float infinity() throw() + { return __builtin_huge_valf (); } + static float quiet_NaN() throw() + { return __builtin_nanf (""); } + static float signaling_NaN() throw() + { return __builtin_nansf (""); } + static float denorm_min() throw() + { return __FLT_DENORM_MIN__; } + + static const bool is_iec559 + = has_infinity && has_quiet_NaN && has_denorm == denorm_present; + static const bool is_bounded = true; + static const bool is_modulo = false; + + static const bool traps = __glibcxx_float_traps; + static const bool tinyness_before = __glibcxx_float_tinyness_before; + static const float_round_style round_style = round_to_nearest; + }; + +#undef __glibcxx_float_has_denorm_loss +#undef __glibcxx_float_traps +#undef __glibcxx_float_tinyness_before + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static double min() throw() + { return __DBL_MIN__; } + static double max() throw() + { return __DBL_MAX__; } + + static const int digits = __DBL_MANT_DIG__; + static const int digits10 = __DBL_DIG__; + static const bool is_signed = true; + static const bool is_integer = false; + static const bool is_exact = false; + static const int radix = __FLT_RADIX__; + static double epsilon() throw() + { return __DBL_EPSILON__; } + static double round_error() throw() + { return 0.5; } + + static const int min_exponent = __DBL_MIN_EXP__; + static const int min_exponent10 = __DBL_MIN_10_EXP__; + static const int max_exponent = __DBL_MAX_EXP__; + static const int max_exponent10 = __DBL_MAX_10_EXP__; + + static const bool has_infinity = __DBL_HAS_INFINITY__; + static const bool has_quiet_NaN = __DBL_HAS_QUIET_NAN__; + static const bool has_signaling_NaN = has_quiet_NaN; + static const float_denorm_style has_denorm + = bool(__DBL_HAS_DENORM__) ? denorm_present : denorm_absent; + static const bool has_denorm_loss = __glibcxx_double_has_denorm_loss; + + static double infinity() throw() + { return __builtin_huge_val(); } + static double quiet_NaN() throw() + { return __builtin_nan (""); } + static double signaling_NaN() throw() + { return __builtin_nans (""); } + static double denorm_min() throw() + { return __DBL_DENORM_MIN__; } + + static const bool is_iec559 + = has_infinity && has_quiet_NaN && has_denorm == denorm_present; + static const bool is_bounded = true; + static const bool is_modulo = false; + + static const bool traps = __glibcxx_double_traps; + static const bool tinyness_before = __glibcxx_double_tinyness_before; + static const float_round_style round_style = round_to_nearest; + }; + +#undef __glibcxx_double_has_denorm_loss +#undef __glibcxx_double_traps +#undef __glibcxx_double_tinyness_before + + /// numeric_limits specialization. + template<> + struct numeric_limits + { + static const bool is_specialized = true; + + static long double min() throw() + { return __LDBL_MIN__; } + static long double max() throw() + { return __LDBL_MAX__; } + + static const int digits = __LDBL_MANT_DIG__; + static const int digits10 = __LDBL_DIG__; + static const bool is_signed = true; + static const bool is_integer = false; + static const bool is_exact = false; + static const int radix = __FLT_RADIX__; + static long double epsilon() throw() + { return __LDBL_EPSILON__; } + static long double round_error() throw() + { return 0.5L; } + + static const int min_exponent = __LDBL_MIN_EXP__; + static const int min_exponent10 = __LDBL_MIN_10_EXP__; + static const int max_exponent = __LDBL_MAX_EXP__; + static const int max_exponent10 = __LDBL_MAX_10_EXP__; + + static const bool has_infinity = __LDBL_HAS_INFINITY__; + static const bool has_quiet_NaN = __LDBL_HAS_QUIET_NAN__; + static const bool has_signaling_NaN = has_quiet_NaN; + static const float_denorm_style has_denorm + = bool(__LDBL_HAS_DENORM__) ? denorm_present : denorm_absent; + static const bool has_denorm_loss + = __glibcxx_long_double_has_denorm_loss; + + static long double infinity() throw() + { return __builtin_huge_vall (); } + static long double quiet_NaN() throw() + { return __builtin_nanl (""); } + static long double signaling_NaN() throw() + { return __builtin_nansl (""); } + static long double denorm_min() throw() + { return __LDBL_DENORM_MIN__; } + + static const bool is_iec559 + = has_infinity && has_quiet_NaN && has_denorm == denorm_present; + static const bool is_bounded = true; + static const bool is_modulo = false; + + static const bool traps = __glibcxx_long_double_traps; + static const bool tinyness_before = __glibcxx_long_double_tinyness_before; + static const float_round_style round_style = round_to_nearest; + }; + +#undef __glibcxx_long_double_has_denorm_loss +#undef __glibcxx_long_double_traps +#undef __glibcxx_long_double_tinyness_before + +_GLIBCXX_END_NAMESPACE + +#undef __glibcxx_signed +#undef __glibcxx_min +#undef __glibcxx_max +#undef __glibcxx_digits +#undef __glibcxx_digits10 + +#endif // _GLIBCXX_NUMERIC_LIMITS