44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
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/*
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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/QLength.hpp"
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#include "okapi/api/units/QTime.hpp"
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#include "okapi/api/units/RQuantity.hpp"
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namespace okapi {
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QUANTITY_TYPE(0, 1, -1, 0, QSpeed)
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constexpr QSpeed mps = meter / second;
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constexpr QSpeed miph = mile / hour;
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constexpr QSpeed kmph = kilometer / hour;
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inline namespace literals {
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constexpr QSpeed operator"" _mps(long double x) {
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return static_cast<double>(x) * mps;
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}
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constexpr QSpeed operator"" _miph(long double x) {
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return static_cast<double>(x) * mile / hour;
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}
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constexpr QSpeed operator"" _kmph(long double x) {
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return static_cast<double>(x) * kilometer / hour;
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}
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constexpr QSpeed operator"" _mps(unsigned long long int x) {
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return static_cast<double>(x) * mps;
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}
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constexpr QSpeed operator"" _miph(unsigned long long int x) {
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return static_cast<double>(x) * mile / hour;
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}
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constexpr QSpeed operator"" _kmph(unsigned long long int x) {
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return static_cast<double>(x) * kilometer / hour;
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}
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} // namespace literals
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} // namespace okapi
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