| 1 | // Boost.Units - A C++ library for zero-overhead dimensional analysis and |
|---|---|
| 2 | // unit/quantity manipulation and conversion |
| 3 | // |
| 4 | // Copyright (C) 2003-2008 Matthias Christian Schabel |
| 5 | // Copyright (C) 2008 Steven Watanabe |
| 6 | // |
| 7 | // Distributed under the Boost Software License, Version 1.0. (See |
| 8 | // accompanying file LICENSE_1_0.txt or copy at |
| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
| 10 | |
| 11 | /** |
| 12 | \file |
| 13 | |
| 14 | \brief fail_heterogeneous_unit.cpp |
| 15 | |
| 16 | \details |
| 17 | make sure that trying to bind a heterogeneous system to a different dimension fails. |
| 18 | |
| 19 | Output: |
| 20 | @verbatim |
| 21 | @endverbatim |
| 22 | **/ |
| 23 | |
| 24 | #include <boost/units/pow.hpp> |
| 25 | #include <boost/units/quantity.hpp> |
| 26 | #include <boost/units/systems/si.hpp> |
| 27 | #include <boost/units/systems/cgs.hpp> |
| 28 | //#include <boost/units/systems/conversions/convert_cgs_to_si.hpp> |
| 29 | //#include <boost/units/systems/conversions/convert_si_to_cgs.hpp> |
| 30 | |
| 31 | namespace bu = boost::units; |
| 32 | |
| 33 | template<class System> |
| 34 | bu::quantity<bu::unit<bu::energy_dimension, System> > f(bu::quantity<bu::unit<bu::length_dimension, System> > l) { |
| 35 | return(static_cast<bu::quantity<bu::unit<bu::energy_dimension, System> > >(f(l: static_cast<bu::quantity<bu::si::length> >(l)))); |
| 36 | } |
| 37 | bu::quantity<bu::si::energy> f(bu::quantity<bu::si::length> l) { |
| 38 | return(l * l * 2.0 * bu::si::kilograms / bu::pow<2>(x: bu::si::seconds)); |
| 39 | } |
| 40 | |
| 41 | int main() { |
| 42 | |
| 43 | f(l: 1.0 * bu::pow<2>(x: bu::si::meters) / bu::cgs::centimeters); |
| 44 | |
| 45 | return(0); |
| 46 | } |
| 47 |