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authorwanglu <wang_lu@dl.cn.nexty-ele.com>2019-03-25 09:42:49 +0800
committerwanglu <wang_lu@dl.cn.nexty-ele.com>2019-03-25 09:52:02 +0800
commit4a8b7a6301e4b093c99329d0a16fbee6c535f312 (patch)
treefe9f589e1723e8f173b50dfa617374042f4cf7a7 /include/mapbox/geometry/point_arithmetic.hpp
parentfb539bbd9f7b36d26cd56fe09b804e18b3b3d984 (diff)
Change-Id: I0866a7d9ffa347c0935b4d00259ad1a74cd00d6e Signed-off-by: wanglu <wang_lu@dl.cn.nexty-ele.com>
Diffstat (limited to 'include/mapbox/geometry/point_arithmetic.hpp')
-rw-r--r--include/mapbox/geometry/point_arithmetic.hpp119
1 files changed, 119 insertions, 0 deletions
diff --git a/include/mapbox/geometry/point_arithmetic.hpp b/include/mapbox/geometry/point_arithmetic.hpp
new file mode 100644
index 0000000..3940e5b
--- /dev/null
+++ b/include/mapbox/geometry/point_arithmetic.hpp
@@ -0,0 +1,119 @@
+#pragma once
+
+namespace mapbox {
+namespace geometry {
+
+template <typename T>
+constexpr point<T> operator+(point<T> const& lhs, point<T> const& rhs)
+{
+ return point<T>(lhs.x + rhs.x, lhs.y + rhs.y);
+}
+
+template <typename T>
+constexpr point<T> operator+(point<T> const& lhs, T const& rhs)
+{
+ return point<T>(lhs.x + rhs, lhs.y + rhs);
+}
+
+template <typename T>
+constexpr point<T> operator-(point<T> const& lhs, point<T> const& rhs)
+{
+ return point<T>(lhs.x - rhs.x, lhs.y - rhs.y);
+}
+
+template <typename T>
+constexpr point<T> operator-(point<T> const& lhs, T const& rhs)
+{
+ return point<T>(lhs.x - rhs, lhs.y - rhs);
+}
+
+template <typename T>
+constexpr point<T> operator*(point<T> const& lhs, point<T> const& rhs)
+{
+ return point<T>(lhs.x * rhs.x, lhs.y * rhs.y);
+}
+
+template <typename T>
+constexpr point<T> operator*(point<T> const& lhs, T const& rhs)
+{
+ return point<T>(lhs.x * rhs, lhs.y * rhs);
+}
+
+template <typename T>
+constexpr point<T> operator/(point<T> const& lhs, point<T> const& rhs)
+{
+ return point<T>(lhs.x / rhs.x, lhs.y / rhs.y);
+}
+
+template <typename T>
+constexpr point<T> operator/(point<T> const& lhs, T const& rhs)
+{
+ return point<T>(lhs.x / rhs, lhs.y / rhs);
+}
+
+template <typename T>
+constexpr point<T>& operator+=(point<T>& lhs, point<T> const& rhs)
+{
+ lhs.x += rhs.x;
+ lhs.y += rhs.y;
+ return lhs;
+}
+
+template <typename T>
+constexpr point<T>& operator+=(point<T>& lhs, T const& rhs)
+{
+ lhs.x += rhs;
+ lhs.y += rhs;
+ return lhs;
+}
+
+template <typename T>
+constexpr point<T>& operator-=(point<T>& lhs, point<T> const& rhs)
+{
+ lhs.x -= rhs.x;
+ lhs.y -= rhs.y;
+ return lhs;
+}
+
+template <typename T>
+constexpr point<T>& operator-=(point<T>& lhs, T const& rhs)
+{
+ lhs.x -= rhs;
+ lhs.y -= rhs;
+ return lhs;
+}
+
+template <typename T>
+constexpr point<T>& operator*=(point<T>& lhs, point<T> const& rhs)
+{
+ lhs.x *= rhs.x;
+ lhs.y *= rhs.y;
+ return lhs;
+}
+
+template <typename T>
+constexpr point<T>& operator*=(point<T>& lhs, T const& rhs)
+{
+ lhs.x *= rhs;
+ lhs.y *= rhs;
+ return lhs;
+}
+
+template <typename T>
+constexpr point<T>& operator/=(point<T>& lhs, point<T> const& rhs)
+{
+ lhs.x /= rhs.x;
+ lhs.y /= rhs.y;
+ return lhs;
+}
+
+template <typename T>
+constexpr point<T>& operator/=(point<T>& lhs, T const& rhs)
+{
+ lhs.x /= rhs;
+ lhs.y /= rhs;
+ return lhs;
+}
+
+} // namespace geometry
+} // namespace mapbox