| Brian Silverman | a8ce4c3 | 2018-08-04 23:57:09 -0700 | [diff] [blame^] | 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 composite_output.cpp |
| 15 | |
| 16 | \details An example of textual representations of units. |
| 17 | |
| 18 | Output: |
| 19 | @verbatim |
| 20 | |
| 21 | //[conversion_output_output |
| 22 | 2 dyn |
| 23 | 2 dyn |
| 24 | 2 dyne |
| 25 | cm g s^-1 |
| 26 | centimeter gram second^-1 |
| 27 | dyn |
| 28 | dyne |
| 29 | n |
| 30 | nano |
| 31 | n |
| 32 | nano |
| 33 | F |
| 34 | farad |
| 35 | 1 F |
| 36 | 1 farad |
| 37 | nF |
| 38 | nanofarad |
| 39 | 1 nF |
| 40 | 1 nanofarad |
| 41 | n(cm g s^-1) |
| 42 | nano(centimeter gram second^-1) |
| 43 | //] |
| 44 | |
| 45 | @endverbatim |
| 46 | **/ |
| 47 | #include <boost/units/quantity.hpp> |
| 48 | #include <boost/units/systems/cgs.hpp> |
| 49 | #include <boost/units/io.hpp> |
| 50 | #include <boost/units/scale.hpp> |
| 51 | |
| 52 | #include <boost/units/detail/utility.hpp> |
| 53 | |
| 54 | #include <boost/units/systems/si/capacitance.hpp> |
| 55 | #include <boost/units/systems/si/io.hpp> |
| 56 | #include <boost/units/systems/si/prefixes.hpp> |
| 57 | |
| 58 | #include <iostream> |
| 59 | #include <sstream> |
| 60 | |
| 61 | namespace boost { |
| 62 | |
| 63 | namespace units { |
| 64 | |
| 65 | //[composite_output_snippet_1 |
| 66 | |
| 67 | std::string name_string(const cgs::force&) |
| 68 | { |
| 69 | return "dyne"; |
| 70 | } |
| 71 | |
| 72 | std::string symbol_string(const cgs::force&) |
| 73 | { |
| 74 | return "dyn"; |
| 75 | } |
| 76 | |
| 77 | //] |
| 78 | |
| 79 | } |
| 80 | |
| 81 | } |
| 82 | |
| 83 | int main() |
| 84 | { |
| 85 | using namespace boost::units; |
| 86 | using boost::units::cgs::centimeter; |
| 87 | using boost::units::cgs::gram; |
| 88 | using boost::units::cgs::second; |
| 89 | using boost::units::cgs::dyne; |
| 90 | |
| 91 | //[composite_output_snippet_2] |
| 92 | std::cout << 2.0 * dyne << std::endl |
| 93 | << symbol_format << 2.0 * dyne << std::endl |
| 94 | << name_format << 2.0 * dyne << std::endl |
| 95 | << symbol_format << gram*centimeter/second << std::endl |
| 96 | << name_format << gram*centimeter/second << std::endl |
| 97 | << symbol_format << gram*centimeter/(second*second) << std::endl |
| 98 | << name_format << gram*centimeter/(second*second) << std::endl |
| 99 | << symbol_string(scale<10,static_rational<-9> >()) << std::endl |
| 100 | << name_string(scale<10,static_rational<-9> >()) << std::endl |
| 101 | << symbol_format << si::nano << std::endl |
| 102 | << name_format << si::nano << std::endl |
| 103 | << symbol_format << si::farad << std::endl |
| 104 | << name_format << si::farad << std::endl |
| 105 | << symbol_format << 1.0*si::farad << std::endl |
| 106 | << name_format << 1.0*si::farad << std::endl |
| 107 | << symbol_format << si::farad*si::nano << std::endl |
| 108 | << name_format << si::farad*si::nano << std::endl |
| 109 | << symbol_format << 1.0*si::farad*si::nano << std::endl |
| 110 | << name_format << 1.0*si::farad*si::nano << std::endl |
| 111 | << symbol_format << si::nano*gram*centimeter/second << std::endl |
| 112 | << name_format << si::nano*gram*centimeter/second << std::endl; |
| 113 | //] |
| 114 | |
| 115 | return 0; |
| 116 | } |