85 lines
2.8 KiB
C++
85 lines
2.8 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(0, 1, 0, 0, QLength)
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constexpr QLength meter(1.0); // SI base unit
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constexpr QLength decimeter = meter / 10;
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constexpr QLength centimeter = meter / 100;
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constexpr QLength millimeter = meter / 1000;
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constexpr QLength kilometer = 1000 * meter;
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constexpr QLength inch = 2.54 * centimeter;
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constexpr QLength foot = 12 * inch;
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constexpr QLength yard = 3 * foot;
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constexpr QLength mile = 5280 * foot;
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constexpr QLength tile = 24 * inch;
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inline namespace literals {
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constexpr QLength operator"" _mm(long double x) {
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return static_cast<double>(x) * millimeter;
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}
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constexpr QLength operator"" _cm(long double x) {
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return static_cast<double>(x) * centimeter;
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}
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constexpr QLength operator"" _m(long double x) {
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return static_cast<double>(x) * meter;
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}
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constexpr QLength operator"" _km(long double x) {
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return static_cast<double>(x) * kilometer;
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}
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constexpr QLength operator"" _mi(long double x) {
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return static_cast<double>(x) * mile;
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}
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constexpr QLength operator"" _yd(long double x) {
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return static_cast<double>(x) * yard;
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}
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constexpr QLength operator"" _ft(long double x) {
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return static_cast<double>(x) * foot;
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}
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constexpr QLength operator"" _in(long double x) {
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return static_cast<double>(x) * inch;
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}
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constexpr QLength operator"" _tile(long double x) {
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return static_cast<double>(x) * tile;
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}
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constexpr QLength operator"" _mm(unsigned long long int x) {
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return static_cast<double>(x) * millimeter;
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}
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constexpr QLength operator"" _cm(unsigned long long int x) {
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return static_cast<double>(x) * centimeter;
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}
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constexpr QLength operator"" _m(unsigned long long int x) {
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return static_cast<double>(x) * meter;
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}
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constexpr QLength operator"" _km(unsigned long long int x) {
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return static_cast<double>(x) * kilometer;
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}
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constexpr QLength operator"" _mi(unsigned long long int x) {
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return static_cast<double>(x) * mile;
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}
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constexpr QLength operator"" _yd(unsigned long long int x) {
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return static_cast<double>(x) * yard;
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}
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constexpr QLength operator"" _ft(unsigned long long int x) {
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return static_cast<double>(x) * foot;
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}
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constexpr QLength operator"" _in(unsigned long long int x) {
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return static_cast<double>(x) * inch;
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}
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constexpr QLength operator"" _tile(unsigned long long int x) {
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return static_cast<double>(x) * tile;
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}
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} // namespace literals
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} // namespace okapi
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