Chris@16: // Boost.Units - A C++ library for zero-overhead dimensional analysis and 
Chris@16: // unit/quantity manipulation and conversion
Chris@16: //
Chris@16: // Copyright (C) 2003-2008 Matthias Christian Schabel
Chris@16: // Copyright (C) 2007-2008 Steven Watanabe
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_UNITS_LIMITS_HPP
Chris@16: #define BOOST_UNITS_LIMITS_HPP
Chris@16: 
Chris@16: ///
Chris@16: /// \file
Chris@16: /// \brief specialize std::numeric_limits for units.
Chris@16: ///
Chris@16: 
Chris@16: #include <limits>
Chris@16: 
Chris@101: #include <boost/config.hpp>
Chris@16: #include <boost/units/units_fwd.hpp>
Chris@16: 
Chris@16: namespace std {
Chris@16: 
Chris@16: template<class Unit, class T>
Chris@16: class numeric_limits< ::boost::units::quantity<Unit, T> >
Chris@16: {
Chris@16:     public:
Chris@16:         typedef ::boost::units::quantity<Unit, T> quantity_type;
Chris@16:         static const bool is_specialized = std::numeric_limits<T>::is_specialized;
Chris@16:         static quantity_type (min)() { return(quantity_type::from_value((std::numeric_limits<T>::min)())); }
Chris@16:         static quantity_type (max)() { return(quantity_type::from_value((std::numeric_limits<T>::max)())); }
Chris@101: #ifndef BOOST_NO_CXX11_NUMERIC_LIMITS
Chris@101:         static quantity_type (lowest)() { return(quantity_type::from_value((std::numeric_limits<T>::lowest)())); }
Chris@101: #endif
Chris@16:         static const int digits = std::numeric_limits<T>::digits;
Chris@16:         static const int digits10 = std::numeric_limits<T>::digits10;
Chris@101: #ifndef BOOST_NO_CXX11_NUMERIC_LIMITS
Chris@101:         static const int max_digits10 = std::numeric_limits<T>::max_digits10;
Chris@101: #endif
Chris@16:         static const bool is_signed = std::numeric_limits<T>::is_signed;
Chris@16:         static const bool is_integer = std::numeric_limits<T>::is_integer;
Chris@16:         static const bool is_exact = std::numeric_limits<T>::is_exact;
Chris@16:         static const int radix = std::numeric_limits<T>::radix;
Chris@16:         static quantity_type epsilon()  { return(quantity_type::from_value(std::numeric_limits<T>::epsilon())); }
Chris@16:         static quantity_type round_error()  { return(quantity_type::from_value(std::numeric_limits<T>::round_error())); }
Chris@16:         static const int min_exponent = std::numeric_limits<T>::min_exponent;
Chris@16:         static const int min_exponent10 = std::numeric_limits<T>::min_exponent10;
Chris@16:         static const int max_exponent = std::numeric_limits<T>::max_exponent;
Chris@16:         static const int max_exponent10 = std::numeric_limits<T>::max_exponent10;
Chris@16:         static const bool has_infinity = std::numeric_limits<T>::has_infinity;
Chris@16:         static const bool has_quiet_NaN = std::numeric_limits<T>::has_quiet_NaN;
Chris@16:         static const bool has_signaling_NaN = std::numeric_limits<T>::has_signaling_NaN;
Chris@16:         static const bool has_denorm_loss = std::numeric_limits<T>::has_denorm_loss;
Chris@16:         static quantity_type infinity()  { return(quantity_type::from_value(std::numeric_limits<T>::infinity())); }
Chris@16:         static quantity_type quiet_NaN()  { return(quantity_type::from_value(std::numeric_limits<T>::quiet_NaN())); }
Chris@16:         static quantity_type signaling_NaN()  { return(quantity_type::from_value(std::numeric_limits<T>::signaling_NaN())); }
Chris@16:         static quantity_type denorm_min()  { return(quantity_type::from_value(std::numeric_limits<T>::denorm_min())); }
Chris@16:         static const bool is_iec559 = std::numeric_limits<T>::is_iec559;
Chris@16:         static const bool is_bounded = std::numeric_limits<T>::is_bounded;
Chris@16:         static const bool is_modulo = std::numeric_limits<T>::is_modulo;
Chris@16:         static const bool traps = std::numeric_limits<T>::traps;
Chris@16:         static const bool tinyness_before = std::numeric_limits<T>::tinyness_before;
Chris@16: #if defined(_STLP_STATIC_CONST_INIT_BUG)
Chris@16:         static const int has_denorm = std::numeric_limits<T>::has_denorm;
Chris@16:         static const int round_style = std::numeric_limits<T>::round_style;
Chris@16: #else
Chris@16:         static const float_denorm_style has_denorm = std::numeric_limits<T>::has_denorm;
Chris@16:         static const float_round_style round_style = std::numeric_limits<T>::round_style;
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: }
Chris@16: 
Chris@16: #endif // BOOST_UNITS_LIMITS_HPP