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