Added OpenGL test.

tests/gl/math/vec3.h

@@ -0,0 +1,40 @@
+#ifndef MATH_VECTOR3_H
+#define MATH_VECTOR3_H
+
+#include <iostream>
+#include <cmath>
+
+class Vec4;
+class Quat;
+
+class Vec3 {
+public:
+	float x, y, z;
+
+	Vec3(void);
+	Vec3(float x, float y, float z);
+	Vec3(float *v);
+	Vec3(const Vec4 &v);
+	Vec3(const Quat &q);
+	float *ptr(void);
+	Vec3 operator-(void) const;
+	Vec3 operator+(const Vec3 &rhs) const;
+	Vec3 operator-(const Vec3 &rhs) const;
+	Vec3 operator*(float rhs) const;
+	Vec3 operator/(float rhs) const;
+	Vec3 &operator+=(const Vec3 &rhs);
+	Vec3 &operator-=(const Vec3 &rhs);
+	Vec3 &operator*=(float rhs);
+	Vec3 &operator/=(float rhs);
+	bool operator==(const Vec3 &rhs) const;
+	bool operator!=(const Vec3 &rhs) const;
+	float norm(void) const;
+	float normsq(void) const;
+	Vec3 normalized(void) const;
+	float dot(const Vec3 &rhs) const;
+	Vec3 cross(const Vec3 &rhs) const;
+	void print(std::ostream &of) const;
+};
+
+#endif
+