initial skeleton for octastd vector math lib

ostd/vecmath.hh

@@ -0,0 +1,59 @@
+/* Vector math for OctaSTD.
+ *
+ * This file is part of OctaSTD. See COPYING.md for futher information.
+ */
+
+#ifndef OSTD_VECMATH_HH
+#define OSTD_VECMATH_HH
+
+#include "ostd/types.hh"
+
+namespace ostd {
+
+template<typename T>
+struct Vec2 {
+    union {
+        struct { T x, y; };
+        T value[2];
+    };
+};
+
+using Vec2f = Vec2<float>;
+using Vec2d = Vec2<double>;
+using Vec2b = Vec2<byte>;
+using Vec2s = Vec2<short>;
+using Vec2i = Vec2<int>;
+
+template<typename T>
+struct Vec3 {
+    union {
+        struct { T x, y, z; };
+        struct { T r, g, b; };
+        T value[3];
+    };
+};
+
+using Vec3f = Vec3<float>;
+using Vec3d = Vec3<double>;
+using Vec3b = Vec3<byte>;
+using Vec3s = Vec3<short>;
+using Vec3i = Vec3<int>;
+
+template<typename T>
+struct Vec4 {
+    union {
+        struct { T x, y, z, w; };
+        struct { T r, g, b, a; };
+        T value[4];
+    };
+};
+
+using Vec4f = Vec4<float>;
+using Vec4d = Vec4<double>;
+using Vec4b = Vec4<byte>;
+using Vec4s = Vec4<short>;
+using Vec4i = Vec4<int>;
+
+} /* namespace ostd */
+
+#endif