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) 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_DERIVED_DIMENSION_HPP
Chris@16: #define BOOST_UNITS_DERIVED_DIMENSION_HPP
Chris@16: 
Chris@16: #include <boost/units/dim.hpp>
Chris@16: #include <boost/units/dimension.hpp>
Chris@16: #include <boost/units/static_rational.hpp>
Chris@16: #include <boost/units/units_fwd.hpp>
Chris@16: #include <boost/units/detail/dimension_list.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: namespace units {
Chris@16: 
Chris@16: /// A utility class for defining composite dimensions with integer powers.
Chris@16: template<class DT1 = dimensionless_type,long E1 = 0,
Chris@16:          class DT2 = dimensionless_type,long E2 = 0,
Chris@16:          class DT3 = dimensionless_type,long E3 = 0,
Chris@16:          class DT4 = dimensionless_type,long E4 = 0,
Chris@16:          class DT5 = dimensionless_type,long E5 = 0,
Chris@16:          class DT6 = dimensionless_type,long E6 = 0,
Chris@16:          class DT7 = dimensionless_type,long E7 = 0,
Chris@16:          class DT8 = dimensionless_type,long E8 = 0>
Chris@16: struct derived_dimension
Chris@16: {
Chris@16: #ifdef BOOST_UNITS_DOXYGEN
Chris@16:     typedef detail::unspecified type;
Chris@16: #else
Chris@16:     typedef typename 
Chris@16:     make_dimension_list< list< dim< DT1,static_rational<E1> >,
Chris@16:                          list< dim< DT2,static_rational<E2> >,
Chris@16:                          list< dim< DT3,static_rational<E3> >,
Chris@16:                          list< dim< DT4,static_rational<E4> >,
Chris@16:                          list< dim< DT5,static_rational<E5> >,
Chris@16:                          list< dim< DT6,static_rational<E6> >,
Chris@16:                          list< dim< DT7,static_rational<E7> >,
Chris@16:                          list< dim< DT8,static_rational<E8> >, dimensionless_type > > > > > > > > >::type type;
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: /// INTERNAL ONLY
Chris@16: template<class DT1,long E1>
Chris@16: struct derived_dimension<
Chris@16:     DT1, E1,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0>
Chris@16: {
Chris@16:     typedef typename 
Chris@16:     make_dimension_list< list< dim< DT1,static_rational<E1> >, dimensionless_type > >::type type;
Chris@16: };
Chris@16: 
Chris@16: /// INTERNAL ONLY
Chris@16: template<class DT1,long E1,
Chris@16:          class DT2,long E2>
Chris@16: struct derived_dimension<
Chris@16:     DT1, E1,
Chris@16:     DT2, E2,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0>
Chris@16: {
Chris@16:     typedef typename 
Chris@16:     make_dimension_list< list< dim< DT1,static_rational<E1> >,
Chris@16:                          list< dim< DT2,static_rational<E2> >, dimensionless_type > > >::type type;
Chris@16: };
Chris@16: 
Chris@16: /// INTERNAL ONLY
Chris@16: template<class DT1,long E1,
Chris@16:          class DT2,long E2,
Chris@16:          class DT3,long E3>
Chris@16: struct derived_dimension<
Chris@16:     DT1, E1,
Chris@16:     DT2, E2,
Chris@16:     DT3, E3,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0>
Chris@16: {
Chris@16:     typedef typename 
Chris@16:     make_dimension_list< list< dim< DT1,static_rational<E1> >,
Chris@16:                          list< dim< DT2,static_rational<E2> >,
Chris@16:                          list< dim< DT3,static_rational<E3> >, dimensionless_type > > > >::type type;
Chris@16: };
Chris@16: 
Chris@16: /// INTERNAL ONLY
Chris@16: template<class DT1,long E1,
Chris@16:          class DT2,long E2,
Chris@16:          class DT3,long E3,
Chris@16:          class DT4,long E4>
Chris@16: struct derived_dimension<
Chris@16:     DT1, E1,
Chris@16:     DT2, E2,
Chris@16:     DT3, E3,
Chris@16:     DT4, E4,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0>
Chris@16: {
Chris@16:     typedef typename 
Chris@16:     make_dimension_list< list< dim< DT1,static_rational<E1> >,
Chris@16:                          list< dim< DT2,static_rational<E2> >,
Chris@16:                          list< dim< DT3,static_rational<E3> >,
Chris@16:                          list< dim< DT4,static_rational<E4> >, dimensionless_type > > > > >::type type;
Chris@16: };
Chris@16: 
Chris@16: /// INTERNAL ONLY
Chris@16: template<class DT1,long E1,
Chris@16:          class DT2,long E2,
Chris@16:          class DT3,long E3,
Chris@16:          class DT4,long E4,
Chris@16:          class DT5,long E5>
Chris@16: struct derived_dimension<
Chris@16:     DT1, E1,
Chris@16:     DT2, E2,
Chris@16:     DT3, E3,
Chris@16:     DT4, E4,
Chris@16:     DT5, E5,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0>
Chris@16: {
Chris@16:     typedef typename 
Chris@16:     make_dimension_list< list< dim< DT1,static_rational<E1> >,
Chris@16:                          list< dim< DT2,static_rational<E2> >,
Chris@16:                          list< dim< DT3,static_rational<E3> >,
Chris@16:                          list< dim< DT4,static_rational<E4> >,
Chris@16:                          list< dim< DT5,static_rational<E5> >, dimensionless_type > > > > > >::type type;
Chris@16: };
Chris@16: 
Chris@16: /// INTERNAL ONLY
Chris@16: template<class DT1,long E1,
Chris@16:          class DT2,long E2,
Chris@16:          class DT3,long E3,
Chris@16:          class DT4,long E4,
Chris@16:          class DT5,long E5,
Chris@16:          class DT6,long E6>
Chris@16: struct derived_dimension<
Chris@16:     DT1, E1,
Chris@16:     DT2, E2,
Chris@16:     DT3, E3,
Chris@16:     DT4, E4,
Chris@16:     DT5, E5,
Chris@16:     DT6, E6,
Chris@16:     dimensionless_type,0,
Chris@16:     dimensionless_type,0>
Chris@16: {
Chris@16:     typedef typename 
Chris@16:     make_dimension_list< list< dim< DT1,static_rational<E1> >,
Chris@16:                          list< dim< DT2,static_rational<E2> >,
Chris@16:                          list< dim< DT3,static_rational<E3> >,
Chris@16:                          list< dim< DT4,static_rational<E4> >,
Chris@16:                          list< dim< DT5,static_rational<E5> >,
Chris@16:                          list< dim< DT6,static_rational<E6> >, dimensionless_type > > > > > > >::type type;
Chris@16: };
Chris@16: 
Chris@16: /// INTERNAL ONLY
Chris@16: template<class DT1,long E1,
Chris@16:          class DT2,long E2,
Chris@16:          class DT3,long E3,
Chris@16:          class DT4,long E4,
Chris@16:          class DT5,long E5,
Chris@16:          class DT6,long E6,
Chris@16:          class DT7,long E7>
Chris@16: struct derived_dimension<
Chris@16:     DT1, E1,
Chris@16:     DT2, E2,
Chris@16:     DT3, E3,
Chris@16:     DT4, E4,
Chris@16:     DT5, E5,
Chris@16:     DT6, E6,
Chris@16:     DT7, E7,
Chris@16:     dimensionless_type,0>
Chris@16: {
Chris@16:     typedef typename 
Chris@16:     make_dimension_list< list< dim< DT1,static_rational<E1> >,
Chris@16:                          list< dim< DT2,static_rational<E2> >,
Chris@16:                          list< dim< DT3,static_rational<E3> >,
Chris@16:                          list< dim< DT4,static_rational<E4> >,
Chris@16:                          list< dim< DT5,static_rational<E5> >,
Chris@16:                          list< dim< DT6,static_rational<E6> >,
Chris@16:                          list< dim< DT7,static_rational<E7> >, dimensionless_type > > > > > > > >::type type;
Chris@16: };
Chris@16: 
Chris@16: } // namespace units
Chris@16: 
Chris@16: } // namespace boost                                                                   
Chris@16: 
Chris@16: #endif // BOOST_UNITS_DERIVED_DIMENSION_HPP