math → util Relation

File in gazebo/math	Includes file in gazebo/util
Angle.hh	system.hh
Box.hh	system.hh
Kmeans.hh	system.hh
Matrix3.hh	system.hh
Matrix4.hh	system.hh
Plane.hh	system.hh
Pose.hh	system.hh
Quaternion.hh	system.hh
Rand.hh	system.hh
RotationSpline.hh	system.hh
SignalStats.hh	system.hh
Spline.hh	system.hh
Vector2d.hh	system.hh
Vector2i.hh	system.hh
Vector3.hh	system.hh
Vector3Stats.hh	system.hh
Vector4.hh	system.hh