density.h

Go to the documentation of this file.

// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
 
// Copyright (c) 2016 Nic Holthaus
//
// The MIT License (MIT)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
 
#pragma once
 
#include "units/base.h"
#include "units/mass.h"
#include "units/volume.h"
 
namespace units {
/**
 * @namespace units::density
 * @brief namespace for unit types and containers representing density values
 * @details The SI unit for density is `kilograms_per_cubic_meter`, and the
 *          corresponding `base_unit` category is `density_unit`.
 * @anchor densityContainers
 * @sa See unit_t for more information on unit type containers.
 */
#if !defined(DISABLE_PREDEFINED_UNITS) || \
    defined(ENABLE_PREDEFINED_DENSITY_UNITS)
UNIT_ADD(density, kilograms_per_cubic_meter, kilograms_per_cubic_meter,
         kg_per_cu_m, unit<std::ratio<1>, units::category::density_unit>)
UNIT_ADD(density, grams_per_milliliter, grams_per_milliliter, g_per_mL,
         compound_unit<mass::grams, inverse<volume::milliliter>>)
UNIT_ADD(density, kilograms_per_liter, kilograms_per_liter, kg_per_L,
         unit<std::ratio<1>,
              compound_unit<mass::grams, inverse<volume::milliliter>>>)
UNIT_ADD(density, ounces_per_cubic_foot, ounces_per_cubic_foot, oz_per_cu_ft,
         compound_unit<mass::ounces, inverse<volume::cubic_foot>>)
UNIT_ADD(density, ounces_per_cubic_inch, ounces_per_cubic_inch, oz_per_cu_in,
         compound_unit<mass::ounces, inverse<volume::cubic_inch>>)
UNIT_ADD(density, ounces_per_gallon, ounces_per_gallon, oz_per_gal,
         compound_unit<mass::ounces, inverse<volume::gallon>>)
UNIT_ADD(density, pounds_per_cubic_foot, pounds_per_cubic_foot, lb_per_cu_ft,
         compound_unit<mass::pounds, inverse<volume::cubic_foot>>)
UNIT_ADD(density, pounds_per_cubic_inch, pounds_per_cubic_inch, lb_per_cu_in,
         compound_unit<mass::pounds, inverse<volume::cubic_inch>>)
UNIT_ADD(density, pounds_per_gallon, pounds_per_gallon, lb_per_gal,
         compound_unit<mass::pounds, inverse<volume::gallon>>)
UNIT_ADD(density, slugs_per_cubic_foot, slugs_per_cubic_foot, slug_per_cu_ft,
         compound_unit<mass::slugs, inverse<volume::cubic_foot>>)
 
UNIT_ADD_CATEGORY_TRAIT(density)
#endif
 
using namespace density;
}  // namespace units