diff options
Diffstat (limited to 'libstdc++-v3/include/std/limits')
| -rw-r--r-- | libstdc++-v3/include/std/limits | 1991 |
1 files changed, 1104 insertions, 887 deletions
diff --git a/libstdc++-v3/include/std/limits b/libstdc++-v3/include/std/limits index 65b623e853d..4594c93eb32 100644 --- a/libstdc++-v3/include/std/limits +++ b/libstdc++-v3/include/std/limits @@ -1,4 +1,4 @@ -// The template and inlines for the numeric_limits classes. -*- C++ -*- +// The template and inlines for the numeric_limits classes. -*- C++ -*- // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, // 2008, 2009, 2010 Free Software Foundation, Inc. @@ -47,7 +47,7 @@ // of fundamental arithmetic data types (integers and floating points). // From Standard C++ point of view, there are 14 such types: // * integers -// bool (1) +// bool (1) // char, signed char, unsigned char, wchar_t (4) // short, unsigned short (2) // int, unsigned (2) @@ -140,10 +140,10 @@ // The fraction 643/2136 approximates log10(2) to 7 significant digits. #define __glibcxx_digits10(T) \ - (__glibcxx_digits (T) * 643 / 2136) + (__glibcxx_digits (T) * 643L / 2136) #define __glibcxx_max_digits10(T) \ - (2 + (T) * 643 / 2136) + (2 + (T) * 643L / 2136) _GLIBCXX_BEGIN_NAMESPACE(std) @@ -190,83 +190,101 @@ _GLIBCXX_BEGIN_NAMESPACE(std) 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; + specializations), and false for everything else. */ + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = false; /** The number of @c radix digits that be represented without change: for - integer types, the number of non-sign bits in the mantissa; for - floating types, the number of @c radix digits in the mantissa. */ - static const int digits = 0; + integer types, the number of non-sign bits in the mantissa; for + floating types, the number of @c radix digits in the mantissa. */ + static _GLIBCXX_USE_CONSTEXPR int digits = 0; + /** The number of base 10 digits that can be represented without change. */ - static const int digits10 = 0; + static _GLIBCXX_USE_CONSTEXPR int digits10 = 0; + #ifdef __GXX_EXPERIMENTAL_CXX0X__ /** The number of base 10 digits required to ensure that values which differ are always differentiated. */ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif + /** True if the type is signed. */ - static const bool is_signed = false; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; + /** True if the type is integer. * Is this supposed to be <em>if the type is integral?</em> */ - static const bool is_integer = false; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; + /** True if the type uses an exact representation. <em>All integer types are - exact, but not all exact types are integer. For example, rational and - fixed-exponent representations are exact but not integer.</em> - [18.2.1.2]/15 */ - static const bool is_exact = false; + exact, but not all exact types are integer. For example, rational and + fixed-exponent representations are exact but not integer.</em> + [18.2.1.2]/15 */ + static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; + /** For integer types, specifies the base of the representation. For - floating types, specifies the base of the exponent representation. */ - static const int radix = 0; + floating types, specifies the base of the exponent representation. */ + static _GLIBCXX_USE_CONSTEXPR int radix = 0; /** The minimum negative integer such that @c radix raised to the power of - (one less than that integer) is a normalized floating point number. */ - static const int min_exponent = 0; + (one less than that integer) is a normalized floating point number. */ + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + /** The minimum negative integer such that 10 raised to that power is in - the range of normalized floating point numbers. */ - static const int min_exponent10 = 0; + the range of normalized floating point numbers. */ + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + /** The maximum positive integer such that @c radix raised to the power of - (one less than that integer) is a representable finite floating point + (one less than that integer) is a representable finite floating point number. */ - static const int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + /** The maximum positive integer such that 10 raised to that power is in - the range of representable finite floating point numbers. */ - static const int max_exponent10 = 0; + the range of representable finite floating point numbers. */ + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; /** True if the type has a representation for positive infinity. */ - static const bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + /** True if the type has a representation for a quiet (non-signaling) - <em>Not a Number</em>. */ - static const bool has_quiet_NaN = false; + <em>Not a Number</em>. */ + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + /** True if the type has a representation for a signaling - <em>Not a Number</em>. */ - static const bool has_signaling_NaN = false; + <em>Not a Number</em>. */ + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + /** See std::float_denorm_style for more information. */ - static const float_denorm_style has_denorm = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm = denorm_absent; + /** <em>True if loss of accuracy is detected as a denormalization loss, - rather than as an inexact result.</em> [18.2.1.2]/42 */ - static const bool has_denorm_loss = false; + rather than as an inexact result.</em> [18.2.1.2]/42 */ + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; /** True if-and-only-if the type adheres to the IEC 559 standard, also - known as IEEE 754. (Only makes sense for floating point types.) */ - static const bool is_iec559 = false; + known as IEEE 754. (Only makes sense for floating point types.) */ + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + /** <em>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.</em> [18.2.1.2]/54 */ - static const bool is_bounded = false; + finite. All built-in types are bounded, this member would be + false for arbitrary precision types.</em> [18.2.1.2]/54 */ + static _GLIBCXX_USE_CONSTEXPR 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; + 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 _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; /** True if trapping is implemented for this type. */ - static const bool traps = false; + static _GLIBCXX_USE_CONSTEXPR bool traps = false; + /** True if tininess is detected before rounding. (see IEC 559) */ - static const bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + /** See std::float_round_style for more information. This is only - meaningful for floating types; integer types will all be + meaningful for floating types; integer types will all be round_toward_zero. */ - static const float_round_style round_style = round_toward_zero; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style = + round_toward_zero; }; /** @@ -284,33 +302,49 @@ _GLIBCXX_BEGIN_NAMESPACE(std) 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); } + denormalization, the minimum positive normalized value. */ + static _GLIBCXX_CONSTEXPR _Tp + min() throw() { return static_cast<_Tp>(0); } + /** The maximum finite value. */ - static _Tp max() throw() { return static_cast<_Tp>(0); } + static _GLIBCXX_CONSTEXPR _Tp + max() throw() { return static_cast<_Tp>(0); } + #ifdef __GXX_EXPERIMENTAL_CXX0X__ /** A finite value x such that there is no other finite value y * where y < x. */ - static _Tp lowest() throw() { return static_cast<_Tp>(0); } + static constexpr _Tp + lowest() throw() { return static_cast<_Tp>(0); } #endif + /** 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); } + value greater than 1 that is representable. */ + static _GLIBCXX_CONSTEXPR _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); } + static _GLIBCXX_CONSTEXPR _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); } + static _GLIBCXX_CONSTEXPR _Tp + infinity() throw() { return static_cast<_Tp>(0); } - /** The representation of a quiet <em>Not a Number</em>, + /** The representation of a quiet <em>Not a Number</em>, if @c has_quiet_NaN. */ - static _Tp quiet_NaN() throw() { return static_cast<_Tp>(0); } + static _GLIBCXX_CONSTEXPR _Tp + quiet_NaN() throw() { return static_cast<_Tp>(0); } + /** The representation of a signaling <em>Not a Number</em>, if - @c has_signaling_NaN. */ - static _Tp signaling_NaN() throw() { return static_cast<_Tp>(0); } + @c has_signaling_NaN. */ + static _GLIBCXX_CONSTEXPR _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 + @c has_denorm is false, this is the minimum positive normalized value. */ - static _Tp denorm_min() throw() { return static_cast<_Tp>(0); } + static _GLIBCXX_CONSTEXPR _Tp + denorm_min() throw() { return static_cast<_Tp>(0); } }; #ifdef __GXX_EXPERIMENTAL_CXX0X__ @@ -334,292 +368,341 @@ _GLIBCXX_BEGIN_NAMESPACE(std) template<> struct numeric_limits<bool> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR bool + min() throw() { return false; } + + static _GLIBCXX_CONSTEXPR bool + max() throw() { return true; } - static bool min() throw() - { return false; } - static bool max() throw() - { return true; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static bool lowest() throw() - { return min(); } + static constexpr bool + lowest() throw() { return min(); } #endif - static const int digits = 1; - static const int digits10 = 0; + static _GLIBCXX_USE_CONSTEXPR int digits = 1; + static _GLIBCXX_USE_CONSTEXPR int digits10 = 0; #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR bool + epsilon() throw() { return false; } + + static _GLIBCXX_CONSTEXPR bool + round_error() throw() { return false; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR bool + infinity() throw() { return false; } + + static _GLIBCXX_CONSTEXPR bool + quiet_NaN() throw() { return false; } + + static _GLIBCXX_CONSTEXPR bool + signaling_NaN() throw() { return false; } + + static _GLIBCXX_CONSTEXPR bool + denorm_min() throw() { return false; } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; // It is not clear what it means for a boolean type to trap. // This is a DR on the LWG issue list. Here, I use integer // promotion semantics. - static const bool traps = __glibcxx_integral_traps; - static const bool tinyness_before = false; - static const float_round_style round_style = round_toward_zero; + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<char> specialization. template<> struct numeric_limits<char> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR char + min() throw() { return __glibcxx_min(char); } + + static _GLIBCXX_CONSTEXPR char + max() throw() { return __glibcxx_max(char); } - static char min() throw() - { return __glibcxx_min(char); } - static char max() throw() - { return __glibcxx_max(char); } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static char lowest() throw() - { return min(); } + static constexpr char + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (char); - static const int digits10 = __glibcxx_digits10 (char); + static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (char); + static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (char); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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<char>(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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = __glibcxx_signed (char); + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR char + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR char + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR + char infinity() throw() { return char(); } + + static _GLIBCXX_CONSTEXPR char + quiet_NaN() throw() { return char(); } + + static _GLIBCXX_CONSTEXPR char + signaling_NaN() throw() { return char(); } + + static _GLIBCXX_CONSTEXPR char + denorm_min() throw() { return static_cast<char>(0); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<signed char> specialization. template<> struct numeric_limits<signed char> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR signed char + min() throw() { return -__SCHAR_MAX__ - 1; } + + static _GLIBCXX_CONSTEXPR signed char + max() throw() { return __SCHAR_MAX__; } - static signed char min() throw() - { return -__SCHAR_MAX__ - 1; } - static signed char max() throw() - { return __SCHAR_MAX__; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static signed char lowest() throw() - { return min(); } + static constexpr signed char + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (signed char); - static const int digits10 = __glibcxx_digits10 (signed char); + static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (signed char); + static _GLIBCXX_USE_CONSTEXPR int digits10 + = __glibcxx_digits10 (signed char); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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<signed char>(0); } - static signed char quiet_NaN() throw() - { return static_cast<signed char>(0); } - static signed char signaling_NaN() throw() - { return static_cast<signed char>(0); } - static signed char denorm_min() throw() - { return static_cast<signed char>(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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR signed char + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR signed char + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR signed char + infinity() throw() { return static_cast<signed char>(0); } + + static _GLIBCXX_CONSTEXPR signed char + quiet_NaN() throw() { return static_cast<signed char>(0); } + + static _GLIBCXX_CONSTEXPR signed char + signaling_NaN() throw() { return static_cast<signed char>(0); } + + static _GLIBCXX_CONSTEXPR signed char + denorm_min() throw() { return static_cast<signed char>(0); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<unsigned char> specialization. template<> struct numeric_limits<unsigned char> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR unsigned char + min() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR unsigned char + max() throw() { return __SCHAR_MAX__ * 2U + 1; } - static unsigned char min() throw() - { return 0; } - static unsigned char max() throw() - { return __SCHAR_MAX__ * 2U + 1; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static unsigned char lowest() throw() - { return min(); } + static constexpr unsigned char + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (unsigned char); - static const int digits10 = __glibcxx_digits10 (unsigned char); + static _GLIBCXX_USE_CONSTEXPR int digits + = __glibcxx_digits (unsigned char); + static _GLIBCXX_USE_CONSTEXPR int digits10 + = __glibcxx_digits10 (unsigned char); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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<unsigned char>(0); } - static unsigned char quiet_NaN() throw() - { return static_cast<unsigned char>(0); } - static unsigned char signaling_NaN() throw() - { return static_cast<unsigned char>(0); } - static unsigned char denorm_min() throw() - { return static_cast<unsigned char>(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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR unsigned char + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR unsigned char + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR unsigned char + infinity() throw() { return static_cast<unsigned char>(0); } + + static _GLIBCXX_CONSTEXPR unsigned char + quiet_NaN() throw() { return static_cast<unsigned char>(0); } + + static _GLIBCXX_CONSTEXPR unsigned char + signaling_NaN() throw() { return static_cast<unsigned char>(0); } + + static _GLIBCXX_CONSTEXPR unsigned char + denorm_min() throw() { return static_cast<unsigned char>(0); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<wchar_t> specialization. template<> struct numeric_limits<wchar_t> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR wchar_t + min() throw() { return __glibcxx_min (wchar_t); } + + static _GLIBCXX_CONSTEXPR wchar_t + max() throw() { return __glibcxx_max (wchar_t); } - static wchar_t min() throw() - { return __glibcxx_min (wchar_t); } - static wchar_t max() throw() - { return __glibcxx_max (wchar_t); } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static wchar_t lowest() throw() - { return min(); } + static constexpr wchar_t + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (wchar_t); - static const int digits10 = __glibcxx_digits10 (wchar_t); + static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (wchar_t); + static _GLIBCXX_USE_CONSTEXPR int digits10 + = __glibcxx_digits10 (wchar_t); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = __glibcxx_signed (wchar_t); + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR wchar_t + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR wchar_t + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR wchar_t + infinity() throw() { return wchar_t(); } + + static _GLIBCXX_CONSTEXPR wchar_t + quiet_NaN() throw() { return wchar_t(); } + + static _GLIBCXX_CONSTEXPR wchar_t + signaling_NaN() throw() { return wchar_t(); } + + static _GLIBCXX_CONSTEXPR wchar_t + denorm_min() throw() { return wchar_t(); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; #ifdef __GXX_EXPERIMENTAL_CXX0X__ @@ -627,116 +710,139 @@ _GLIBCXX_BEGIN_NAMESPACE(std) template<> struct numeric_limits<char16_t> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR char16_t + min() throw() { return __glibcxx_min (char16_t); } + + static _GLIBCXX_CONSTEXPR char16_t + max() throw() { return __glibcxx_max (char16_t); } - static char16_t min() throw() - { return __glibcxx_min (char16_t); } - static char16_t max() throw() - { return __glibcxx_max (char16_t); } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static char16_t lowest() throw() - { return min(); } + static constexpr char16_t + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (char16_t); - static const int digits10 = __glibcxx_digits10 (char16_t); + static _GLIBCXX_USE_CONSTEXPR int digits + = __glibcxx_digits (char16_t); + static _GLIBCXX_USE_CONSTEXPR int digits10 + = __glibcxx_digits10 (char16_t); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed + = __glibcxx_signed (char16_t); + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR char16_t + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR char16_t + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR char16_t + infinity() throw() { return char16_t(); } + + static _GLIBCXX_CONSTEXPR char16_t + quiet_NaN() throw() { return char16_t(); } + + static _GLIBCXX_CONSTEXPR char16_t + signaling_NaN() throw() { return char16_t(); } + + static _GLIBCXX_CONSTEXPR char16_t + denorm_min() throw() { return char16_t(); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<char32_t> specialization. template<> struct numeric_limits<char32_t> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR char32_t + min() throw() { return __glibcxx_min (char32_t); } + + static _GLIBCXX_CONSTEXPR char32_t + max() throw() { return __glibcxx_max (char32_t); } - static char32_t min() throw() - { return __glibcxx_min (char32_t); } - static char32_t max() throw() - { return __glibcxx_max (char32_t); } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static char32_t lowest() throw() - { return min(); } + static constexpr char32_t + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (char32_t); - static const int digits10 = __glibcxx_digits10 (char32_t); + static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (char32_t); + static _GLIBCXX_USE_CONSTEXPR int digits10 + = __glibcxx_digits10 (char32_t); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed + = __glibcxx_signed (char32_t); + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR char32_t + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR char32_t + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR char32_t + infinity() throw() { return char32_t(); } + + static _GLIBCXX_CONSTEXPR char32_t + quiet_NaN() throw() { return char32_t(); } + + static _GLIBCXX_CONSTEXPR char32_t + signaling_NaN() throw() { return char32_t(); } + + static _GLIBCXX_CONSTEXPR char32_t + denorm_min() throw() { return char32_t(); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; #endif @@ -744,525 +850,617 @@ _GLIBCXX_BEGIN_NAMESPACE(std) template<> struct numeric_limits<short> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR short + min() throw() { return -__SHRT_MAX__ - 1; } + + static _GLIBCXX_CONSTEXPR short + max() throw() { return __SHRT_MAX__; } - static short min() throw() - { return -__SHRT_MAX__ - 1; } - static short max() throw() - { return __SHRT_MAX__; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static short lowest() throw() - { return min(); } + static constexpr short + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (short); - static const int digits10 = __glibcxx_digits10 (short); + static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (short); + static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (short); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR short + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR short + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR short + infinity() throw() { return short(); } + + static _GLIBCXX_CONSTEXPR short + quiet_NaN() throw() { return short(); } + + static _GLIBCXX_CONSTEXPR short + signaling_NaN() throw() { return short(); } + + static _GLIBCXX_CONSTEXPR short + denorm_min() throw() { return short(); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<unsigned short> specialization. template<> struct numeric_limits<unsigned short> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR unsigned short + min() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR unsigned short + max() throw() { return __SHRT_MAX__ * 2U + 1; } - static unsigned short min() throw() - { return 0; } - static unsigned short max() throw() - { return __SHRT_MAX__ * 2U + 1; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static unsigned short lowest() throw() - { return min(); } + static constexpr unsigned short + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (unsigned short); - static const int digits10 = __glibcxx_digits10 (unsigned short); + static _GLIBCXX_USE_CONSTEXPR int digits + = __glibcxx_digits (unsigned short); + static _GLIBCXX_USE_CONSTEXPR int digits10 + = __glibcxx_digits10 (unsigned short); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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<unsigned short>(0); } - static unsigned short quiet_NaN() throw() - { return static_cast<unsigned short>(0); } - static unsigned short signaling_NaN() throw() - { return static_cast<unsigned short>(0); } - static unsigned short denorm_min() throw() - { return static_cast<unsigned short>(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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR unsigned short + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR unsigned short + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR unsigned short + infinity() throw() { return static_cast<unsigned short>(0); } + + static _GLIBCXX_CONSTEXPR unsigned short + quiet_NaN() throw() { return static_cast<unsigned short>(0); } + + static _GLIBCXX_CONSTEXPR unsigned short + signaling_NaN() throw() { return static_cast<unsigned short>(0); } + + static _GLIBCXX_CONSTEXPR unsigned short + denorm_min() throw() { return static_cast<unsigned short>(0); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<int> specialization. template<> struct numeric_limits<int> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR int + min() throw() { return -__INT_MAX__ - 1; } + + static _GLIBCXX_CONSTEXPR int + max() throw() { return __INT_MAX__; } - static int min() throw() - { return -__INT_MAX__ - 1; } - static int max() throw() - { return __INT_MAX__; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static int lowest() throw() - { return min(); } + static constexpr int + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (int); - static const int digits10 = __glibcxx_digits10 (int); + static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (int); + static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (int); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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<int>(0); } - static int quiet_NaN() throw() - { return static_cast<int>(0); } - static int signaling_NaN() throw() - { return static_cast<int>(0); } - static int denorm_min() throw() - { return static_cast<int>(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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR int + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR int + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR int + infinity() throw() { return static_cast<int>(0); } + + static _GLIBCXX_CONSTEXPR int + quiet_NaN() throw() { return static_cast<int>(0); } + + static _GLIBCXX_CONSTEXPR int + signaling_NaN() throw() { return static_cast<int>(0); } + + static _GLIBCXX_CONSTEXPR int + denorm_min() throw() { return static_cast<int>(0); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<unsigned int> specialization. template<> struct numeric_limits<unsigned int> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR unsigned int + min() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR unsigned int + max() throw() { return __INT_MAX__ * 2U + 1; } - static unsigned int min() throw() - { return 0; } - static unsigned int max() throw() - { return __INT_MAX__ * 2U + 1; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static unsigned int lowest() throw() - { return min(); } + static constexpr unsigned int + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (unsigned int); - static const int digits10 = __glibcxx_digits10 (unsigned int); + static _GLIBCXX_USE_CONSTEXPR int digits + = __glibcxx_digits (unsigned int); + static _GLIBCXX_USE_CONSTEXPR int digits10 + = __glibcxx_digits10 (unsigned int); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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<unsigned int>(0); } - static unsigned int quiet_NaN() throw() - { return static_cast<unsigned int>(0); } - static unsigned int signaling_NaN() throw() - { return static_cast<unsigned int>(0); } - static unsigned int denorm_min() throw() - { return static_cast<unsigned int>(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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR unsigned int + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR unsigned int + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR unsigned int + infinity() throw() { return static_cast<unsigned int>(0); } + + static _GLIBCXX_CONSTEXPR unsigned int + quiet_NaN() throw() { return static_cast<unsigned int>(0); } + + static _GLIBCXX_CONSTEXPR unsigned int + signaling_NaN() throw() { return static_cast<unsigned int>(0); } + + static _GLIBCXX_CONSTEXPR unsigned int + denorm_min() throw() { return static_cast<unsigned int>(0); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<long> specialization. template<> struct numeric_limits<long> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR long + min() throw() { return -__LONG_MAX__ - 1; } + + static _GLIBCXX_CONSTEXPR long + max() throw() { return __LONG_MAX__; } - static long min() throw() - { return -__LONG_MAX__ - 1; } - static long max() throw() - { return __LONG_MAX__; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static long lowest() throw() - { return min(); } + static constexpr long + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (long); - static const int digits10 = __glibcxx_digits10 (long); + static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (long); + static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (long); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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<long>(0); } - static long quiet_NaN() throw() - { return static_cast<long>(0); } - static long signaling_NaN() throw() - { return static_cast<long>(0); } - static long denorm_min() throw() - { return static_cast<long>(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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR long + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR long + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR long + infinity() throw() { return static_cast<long>(0); } + + static _GLIBCXX_CONSTEXPR long + quiet_NaN() throw() { return static_cast<long>(0); } + + static _GLIBCXX_CONSTEXPR long + signaling_NaN() throw() { return static_cast<long>(0); } + + static _GLIBCXX_CONSTEXPR long + denorm_min() throw() { return static_cast<long>(0); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<unsigned long> specialization. template<> struct numeric_limits<unsigned long> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR unsigned long + min() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR unsigned long + max() throw() { return __LONG_MAX__ * 2UL + 1; } - static unsigned long min() throw() - { return 0; } - static unsigned long max() throw() - { return __LONG_MAX__ * 2UL + 1; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static unsigned long lowest() throw() - { return min(); } + static constexpr unsigned long + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (unsigned long); - static const int digits10 = __glibcxx_digits10 (unsigned long); + static _GLIBCXX_USE_CONSTEXPR int digits + = __glibcxx_digits (unsigned long); + static _GLIBCXX_USE_CONSTEXPR int digits10 + = __glibcxx_digits10 (unsigned long); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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<unsigned long>(0); } - static unsigned long quiet_NaN() throw() - { return static_cast<unsigned long>(0); } - static unsigned long signaling_NaN() throw() - { return static_cast<unsigned long>(0); } - static unsigned long denorm_min() throw() - { return static_cast<unsigned long>(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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR unsigned long + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR unsigned long + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR unsigned long + infinity() throw() { return static_cast<unsigned long>(0); } + + static _GLIBCXX_CONSTEXPR unsigned long + quiet_NaN() throw() { return static_cast<unsigned long>(0); } + + static _GLIBCXX_CONSTEXPR unsigned long + signaling_NaN() throw() { return static_cast<unsigned long>(0); } + + static _GLIBCXX_CONSTEXPR unsigned long + denorm_min() throw() { return static_cast<unsigned long>(0); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<long long> specialization. template<> struct numeric_limits<long long> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR long long + min() throw() { return -__LONG_LONG_MAX__ - 1; } + + static _GLIBCXX_CONSTEXPR long long + max() throw() { return __LONG_LONG_MAX__; } - static long long min() throw() - { return -__LONG_LONG_MAX__ - 1; } - static long long max() throw() - { return __LONG_LONG_MAX__; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static long long lowest() throw() - { return min(); } + static constexpr long long + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (long long); - static const int digits10 = __glibcxx_digits10 (long long); + static _GLIBCXX_USE_CONSTEXPR int digits + = __glibcxx_digits (long long); + static _GLIBCXX_USE_CONSTEXPR int digits10 + = __glibcxx_digits10 (long long); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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<long long>(0); } - static long long quiet_NaN() throw() - { return static_cast<long long>(0); } - static long long signaling_NaN() throw() - { return static_cast<long long>(0); } - static long long denorm_min() throw() - { return static_cast<long long>(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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR long long + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR long long + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR long long + infinity() throw() { return static_cast<long long>(0); } + + static _GLIBCXX_CONSTEXPR long long + quiet_NaN() throw() { return static_cast<long long>(0); } + + static _GLIBCXX_CONSTEXPR long long + signaling_NaN() throw() { return static_cast<long long>(0); } + + static _GLIBCXX_CONSTEXPR long long + denorm_min() throw() { return static_cast<long long>(0); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<unsigned long long> specialization. template<> struct numeric_limits<unsigned long long> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR unsigned long long + min() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR unsigned long long + max() throw() { return __LONG_LONG_MAX__ * 2ULL + 1; } - static unsigned long long min() throw() - { return 0; } - static unsigned long long max() throw() - { return __LONG_LONG_MAX__ * 2ULL + 1; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static unsigned long long lowest() throw() - { return min(); } + static constexpr unsigned long long + lowest() throw() { return min(); } #endif - static const int digits = __glibcxx_digits (unsigned long long); - static const int digits10 = __glibcxx_digits10 (unsigned long long); + static _GLIBCXX_USE_CONSTEXPR int digits + = __glibcxx_digits (unsigned long long); + static _GLIBCXX_USE_CONSTEXPR int digits10 + = __glibcxx_digits10 (unsigned long long); #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 = 0; + static constexpr int max_digits10 = 0; #endif - 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<unsigned long long>(0); } - static unsigned long long quiet_NaN() throw() - { return static_cast<unsigned long long>(0); } - static unsigned long long signaling_NaN() throw() - { return static_cast<unsigned long long>(0); } - static unsigned long long denorm_min() throw() - { return static_cast<unsigned long long>(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; + static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; + static _GLIBCXX_USE_CONSTEXPR int radix = 2; + + static _GLIBCXX_CONSTEXPR unsigned long long + epsilon() throw() { return 0; } + + static _GLIBCXX_CONSTEXPR unsigned long long + round_error() throw() { return 0; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm + = denorm_absent; + static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; + + static _GLIBCXX_CONSTEXPR unsigned long long + infinity() throw() { return static_cast<unsigned long long>(0); } + + static _GLIBCXX_CONSTEXPR unsigned long long + quiet_NaN() throw() { return static_cast<unsigned long long>(0); } + + static _GLIBCXX_CONSTEXPR unsigned long long + signaling_NaN() throw() { return static_cast<unsigned long long>(0); } + + static _GLIBCXX_CONSTEXPR unsigned long long + denorm_min() throw() { return static_cast<unsigned long long>(0); } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_toward_zero; }; /// numeric_limits<float> specialization. template<> struct numeric_limits<float> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR float + min() throw() { return __FLT_MIN__; } + + static _GLIBCXX_CONSTEXPR float + max() throw() { return __FLT_MAX__; } - static float min() throw() - { return __FLT_MIN__; } - static float max() throw() - { return __FLT_MAX__; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static float lowest() throw() - { return -__FLT_MAX__; } + static constexpr float + lowest() throw() { return -__FLT_MAX__; } #endif - static const int digits = __FLT_MANT_DIG__; - static const int digits10 = __FLT_DIG__; + static _GLIBCXX_USE_CONSTEXPR int digits = __FLT_MANT_DIG__; + static _GLIBCXX_USE_CONSTEXPR int digits10 = __FLT_DIG__; #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 + static constexpr int max_digits10 = __glibcxx_max_digits10 (__FLT_MANT_DIG__); #endif - 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 + static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; + static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; + + static _GLIBCXX_CONSTEXPR float + epsilon() throw() { return __FLT_EPSILON__; } + + static _GLIBCXX_CONSTEXPR float + round_error() throw() { return 0.5F; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = __FLT_MIN_EXP__; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __FLT_MIN_10_EXP__; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = __FLT_MAX_EXP__; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __FLT_MAX_10_EXP__; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __FLT_HAS_INFINITY__; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __FLT_HAS_QUIET_NAN__; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm = bool(__FLT_HAS_DENORM__) ? denorm_present : denorm_absent; - static 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 _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss + = __glibcxx_float_has_denorm_loss; + + static _GLIBCXX_CONSTEXPR float + infinity() throw() { return __builtin_huge_valf (); } - 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; + static _GLIBCXX_CONSTEXPR float + quiet_NaN() throw() { return __builtin_nanf (""); } + + static _GLIBCXX_CONSTEXPR float + signaling_NaN() throw() { return __builtin_nansf (""); } + + static _GLIBCXX_CONSTEXPR float + denorm_min() throw() { return __FLT_DENORM_MIN__; } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 + = has_infinity && has_quiet_NaN && has_denorm == denorm_present; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_float_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before + = __glibcxx_float_tinyness_before; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_to_nearest; }; #undef __glibcxx_float_has_denorm_loss @@ -1273,61 +1471,71 @@ _GLIBCXX_BEGIN_NAMESPACE(std) template<> struct numeric_limits<double> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR double + min() throw() { return __DBL_MIN__; } + + static _GLIBCXX_CONSTEXPR double + max() throw() { return __DBL_MAX__; } - static double min() throw() - { return __DBL_MIN__; } - static double max() throw() - { return __DBL_MAX__; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static double lowest() throw() - { return -__DBL_MAX__; } + static constexpr double + lowest() throw() { return -__DBL_MAX__; } #endif - static const int digits = __DBL_MANT_DIG__; - static const int digits10 = __DBL_DIG__; + static _GLIBCXX_USE_CONSTEXPR int digits = __DBL_MANT_DIG__; + static _GLIBCXX_USE_CONSTEXPR int digits10 = __DBL_DIG__; #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 + static constexpr int max_digits10 = __glibcxx_max_digits10 (__DBL_MANT_DIG__); #endif - 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 + static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; + static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; + + static _GLIBCXX_CONSTEXPR double + epsilon() throw() { return __DBL_EPSILON__; } + + static _GLIBCXX_CONSTEXPR double + round_error() throw() { return 0.5; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = __DBL_MIN_EXP__; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __DBL_MIN_10_EXP__; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = __DBL_MAX_EXP__; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __DBL_MAX_10_EXP__; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __DBL_HAS_INFINITY__; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __DBL_HAS_QUIET_NAN__; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm = bool(__DBL_HAS_DENORM__) ? denorm_present : denorm_absent; - static 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 _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss + = __glibcxx_double_has_denorm_loss; + + static _GLIBCXX_CONSTEXPR double + infinity() throw() { return __builtin_huge_val(); } + + static _GLIBCXX_CONSTEXPR double + quiet_NaN() throw() { return __builtin_nan (""); } - 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; + static _GLIBCXX_CONSTEXPR double + signaling_NaN() throw() { return __builtin_nans (""); } + + static _GLIBCXX_CONSTEXPR double + denorm_min() throw() { return __DBL_DENORM_MIN__; } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 + = has_infinity && has_quiet_NaN && has_denorm == denorm_present; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_double_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before + = __glibcxx_double_tinyness_before; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style + = round_to_nearest; }; #undef __glibcxx_double_has_denorm_loss @@ -1338,62 +1546,71 @@ _GLIBCXX_BEGIN_NAMESPACE(std) template<> struct numeric_limits<long double> { - static const bool is_specialized = true; + static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; + + static _GLIBCXX_CONSTEXPR long double + min() throw() { return __LDBL_MIN__; } + + static _GLIBCXX_CONSTEXPR long double + max() throw() { return __LDBL_MAX__; } - static long double min() throw() - { return __LDBL_MIN__; } - static long double max() throw() - { return __LDBL_MAX__; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static long double lowest() throw() - { return -__LDBL_MAX__; } + static constexpr long double + lowest() throw() { return -__LDBL_MAX__; } #endif - static const int digits = __LDBL_MANT_DIG__; - static const int digits10 = __LDBL_DIG__; + static _GLIBCXX_USE_CONSTEXPR int digits = __LDBL_MANT_DIG__; + static _GLIBCXX_USE_CONSTEXPR int digits10 = __LDBL_DIG__; #ifdef __GXX_EXPERIMENTAL_CXX0X__ - static const int max_digits10 + static _GLIBCXX_USE_CONSTEXPR int max_digits10 = __glibcxx_max_digits10 (__LDBL_MANT_DIG__); #endif - 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 + static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; + static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; + static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; + static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; + + static _GLIBCXX_CONSTEXPR long double + epsilon() throw() { return __LDBL_EPSILON__; } + + static _GLIBCXX_CONSTEXPR long double + round_error() throw() { return 0.5L; } + + static _GLIBCXX_USE_CONSTEXPR int min_exponent = __LDBL_MIN_EXP__; + static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __LDBL_MIN_10_EXP__; + static _GLIBCXX_USE_CONSTEXPR int max_exponent = __LDBL_MAX_EXP__; + static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __LDBL_MAX_10_EXP__; + + static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __LDBL_HAS_INFINITY__; + static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __LDBL_HAS_QUIET_NAN__; + static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; + static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm = bool(__LDBL_HAS_DENORM__) ? denorm_present : denorm_absent; - static const bool has_denorm_loss + static _GLIBCXX_USE_CONSTEXPR 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 _GLIBCXX_CONSTEXPR long double + infinity() throw() { return __builtin_huge_vall (); } - 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 _GLIBCXX_CONSTEXPR long double + quiet_NaN() throw() { return __builtin_nanl (""); } - 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; + static _GLIBCXX_CONSTEXPR long double + signaling_NaN() throw() { return __builtin_nansl (""); } + + static _GLIBCXX_CONSTEXPR long double + denorm_min() throw() { return __LDBL_DENORM_MIN__; } + + static _GLIBCXX_USE_CONSTEXPR bool is_iec559 + = has_infinity && has_quiet_NaN && has_denorm == denorm_present; + static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; + static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; + + static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_long_double_traps; + static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = + __glibcxx_long_double_tinyness_before; + static _GLIBCXX_USE_CONSTEXPR float_round_style round_style = + round_to_nearest; }; #undef __glibcxx_long_double_has_denorm_loss |