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https://github.com/wpilibsuite/allwpilib
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60 lines
2.6 KiB
C
60 lines
2.6 KiB
C
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/*----------------------------------------------------------------------------*/
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/* Copyright (c) 2020 FIRST. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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// Copyright (c) 2016 Nic Holthaus
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//
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// The MIT License (MIT)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#pragma once
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#include "units/base.h"
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namespace units {
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/**
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* @namespace units::concentration
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* @brief namespace for unit types and containers representing concentration
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* values
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* @details The SI unit for concentration is `parts_per_million`, and the
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* corresponding `base_unit` category is `scalar_unit`.
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* @anchor concentrationContainers
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* @sa See unit_t for more information on unit type containers.
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*/
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#if !defined(DISABLE_PREDEFINED_UNITS) || \
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defined(ENABLE_PREDEFINED_CONCENTRATION_UNITS)
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UNIT_ADD(concentration, ppm, parts_per_million, ppm,
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unit<std::ratio<1, 1000000>, units::category::scalar_unit>)
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UNIT_ADD(concentration, ppb, parts_per_billion, ppb,
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unit<std::ratio<1, 1000>, parts_per_million>)
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UNIT_ADD(concentration, ppt, parts_per_trillion, ppt,
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unit<std::ratio<1, 1000>, parts_per_billion>)
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UNIT_ADD(concentration, percent, percent, pct,
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unit<std::ratio<1, 100>, units::category::scalar_unit>)
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UNIT_ADD_CATEGORY_TRAIT(concentration)
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#endif
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using namespace concentration;
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} // namespace units
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