63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
/*
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* This code is a modified version of Benjamin Jurke's work in 2015. You can read his blog post
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* here:
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* https://benjaminjurke.com/content/articles/2015/compile-time-numerical-unit-dimension-checking/
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include "okapi/api/units/RQuantity.hpp"
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namespace okapi {
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QUANTITY_TYPE(1, 0, 0, 0, QMass)
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constexpr QMass kg(1.0); // SI base unit
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constexpr QMass gramme = 0.001 * kg;
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constexpr QMass tonne = 1000 * kg;
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constexpr QMass ounce = 0.028349523125 * kg;
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constexpr QMass pound = 16 * ounce;
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constexpr QMass stone = 14 * pound;
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inline namespace literals {
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constexpr QMass operator"" _kg(long double x) {
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return QMass(x);
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}
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constexpr QMass operator"" _g(long double x) {
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return static_cast<double>(x) * gramme;
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}
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constexpr QMass operator"" _t(long double x) {
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return static_cast<double>(x) * tonne;
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}
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constexpr QMass operator"" _oz(long double x) {
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return static_cast<double>(x) * ounce;
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}
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constexpr QMass operator"" _lb(long double x) {
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return static_cast<double>(x) * pound;
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}
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constexpr QMass operator"" _st(long double x) {
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return static_cast<double>(x) * stone;
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}
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constexpr QMass operator"" _kg(unsigned long long int x) {
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return QMass(static_cast<double>(x));
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}
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constexpr QMass operator"" _g(unsigned long long int x) {
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return static_cast<double>(x) * gramme;
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}
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constexpr QMass operator"" _t(unsigned long long int x) {
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return static_cast<double>(x) * tonne;
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}
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constexpr QMass operator"" _oz(unsigned long long int x) {
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return static_cast<double>(x) * ounce;
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}
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constexpr QMass operator"" _lb(unsigned long long int x) {
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return static_cast<double>(x) * pound;
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}
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constexpr QMass operator"" _st(unsigned long long int x) {
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return static_cast<double>(x) * stone;
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}
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} // namespace literals
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} // namespace okapi
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