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include/okapi/api/units/QArea.hpp

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+/*
+ * This code is a modified version of Benjamin Jurke's work in 2015. You can read his blog post
+ * here:
+ * https://benjaminjurke.com/content/articles/2015/compile-time-numerical-unit-dimension-checking/
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+#pragma once
+
+#include "okapi/api/units/QLength.hpp"
+#include "okapi/api/units/RQuantity.hpp"
+
+namespace okapi {
+QUANTITY_TYPE(0, 2, 0, 0, QArea)
+
+constexpr QArea kilometer2 = kilometer * kilometer;
+constexpr QArea meter2 = meter * meter;
+constexpr QArea decimeter2 = decimeter * decimeter;
+constexpr QArea centimeter2 = centimeter * centimeter;
+constexpr QArea millimeter2 = millimeter * millimeter;
+constexpr QArea inch2 = inch * inch;
+constexpr QArea foot2 = foot * foot;
+constexpr QArea mile2 = mile * mile;
+} // namespace okapi