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- // Boost.Units - A C++ library for zero-overhead dimensional analysis and
- // unit/quantity manipulation and conversion
- //
- // Copyright (C) 2003-2008 Matthias Christian Schabel
- // Copyright (C) 2007-2008 Steven Watanabe
- //
- // Distributed under the Boost Software License, Version 1.0. (See
- // accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- #ifndef BOOST_UNITS_LIMITS_HPP
- #define BOOST_UNITS_LIMITS_HPP
- ///
- /// \file
- /// \brief specialize std::numeric_limits for units.
- ///
- #include <limits>
- #include <boost/config.hpp>
- #include <boost/units/units_fwd.hpp>
- namespace std {
- template<class Unit, class T>
- class numeric_limits< ::boost::units::quantity<Unit, T> >
- {
- public:
- typedef ::boost::units::quantity<Unit, T> quantity_type;
- BOOST_STATIC_CONSTEXPR bool is_specialized = std::numeric_limits<T>::is_specialized;
- static BOOST_CONSTEXPR quantity_type (min)() { return(quantity_type::from_value((std::numeric_limits<T>::min)())); }
- static BOOST_CONSTEXPR quantity_type (max)() { return(quantity_type::from_value((std::numeric_limits<T>::max)())); }
- #ifndef BOOST_NO_CXX11_NUMERIC_LIMITS
- static BOOST_CONSTEXPR quantity_type (lowest)() { return(quantity_type::from_value((std::numeric_limits<T>::lowest)())); }
- #endif
- BOOST_STATIC_CONSTEXPR int digits = std::numeric_limits<T>::digits;
- BOOST_STATIC_CONSTEXPR int digits10 = std::numeric_limits<T>::digits10;
- #ifndef BOOST_NO_CXX11_NUMERIC_LIMITS
- BOOST_STATIC_CONSTEXPR int max_digits10 = std::numeric_limits<T>::max_digits10;
- #endif
- BOOST_STATIC_CONSTEXPR bool is_signed = std::numeric_limits<T>::is_signed;
- BOOST_STATIC_CONSTEXPR bool is_integer = std::numeric_limits<T>::is_integer;
- BOOST_STATIC_CONSTEXPR bool is_exact = std::numeric_limits<T>::is_exact;
- BOOST_STATIC_CONSTEXPR int radix = std::numeric_limits<T>::radix;
- static BOOST_CONSTEXPR quantity_type epsilon() { return(quantity_type::from_value(std::numeric_limits<T>::epsilon())); }
- static BOOST_CONSTEXPR quantity_type round_error() { return(quantity_type::from_value(std::numeric_limits<T>::round_error())); }
- BOOST_STATIC_CONSTEXPR int min_exponent = std::numeric_limits<T>::min_exponent;
- BOOST_STATIC_CONSTEXPR int min_exponent10 = std::numeric_limits<T>::min_exponent10;
- BOOST_STATIC_CONSTEXPR int max_exponent = std::numeric_limits<T>::max_exponent;
- BOOST_STATIC_CONSTEXPR int max_exponent10 = std::numeric_limits<T>::max_exponent10;
- BOOST_STATIC_CONSTEXPR bool has_infinity = std::numeric_limits<T>::has_infinity;
- BOOST_STATIC_CONSTEXPR bool has_quiet_NaN = std::numeric_limits<T>::has_quiet_NaN;
- BOOST_STATIC_CONSTEXPR bool has_signaling_NaN = std::numeric_limits<T>::has_signaling_NaN;
- BOOST_STATIC_CONSTEXPR bool has_denorm_loss = std::numeric_limits<T>::has_denorm_loss;
- static BOOST_CONSTEXPR quantity_type infinity() { return(quantity_type::from_value(std::numeric_limits<T>::infinity())); }
- static BOOST_CONSTEXPR quantity_type quiet_NaN() { return(quantity_type::from_value(std::numeric_limits<T>::quiet_NaN())); }
- static BOOST_CONSTEXPR quantity_type signaling_NaN() { return(quantity_type::from_value(std::numeric_limits<T>::signaling_NaN())); }
- static BOOST_CONSTEXPR quantity_type denorm_min() { return(quantity_type::from_value(std::numeric_limits<T>::denorm_min())); }
- BOOST_STATIC_CONSTEXPR bool is_iec559 = std::numeric_limits<T>::is_iec559;
- BOOST_STATIC_CONSTEXPR bool is_bounded = std::numeric_limits<T>::is_bounded;
- BOOST_STATIC_CONSTEXPR bool is_modulo = std::numeric_limits<T>::is_modulo;
- BOOST_STATIC_CONSTEXPR bool traps = std::numeric_limits<T>::traps;
- BOOST_STATIC_CONSTEXPR bool tinyness_before = std::numeric_limits<T>::tinyness_before;
- #if defined(_STLP_STATIC_CONST_INIT_BUG)
- BOOST_STATIC_CONSTEXPR int has_denorm = std::numeric_limits<T>::has_denorm;
- BOOST_STATIC_CONSTEXPR int round_style = std::numeric_limits<T>::round_style;
- #else
- BOOST_STATIC_CONSTEXPR float_denorm_style has_denorm = std::numeric_limits<T>::has_denorm;
- BOOST_STATIC_CONSTEXPR float_round_style round_style = std::numeric_limits<T>::round_style;
- #endif
- };
- }
- #endif // BOOST_UNITS_LIMITS_HPP
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