main/src/georegression/geometry/UtilVector3D_F64.java
public static boolean isIdentical( Vector3D_F64 a, Vector3D_F64 b, double tol ) {
		if( Math.abs( a.x - b.x ) > tol )
			return false;

		if( Math.abs( a.y - b.y ) > tol )
			return false;

		return Math.abs( a.z - b.z ) <= tol;

	}
public static boolean isIdentical( Vector3D_F64 a, Vector3D_F64 b, double tol ) {
		if( Math.abs( a.x - b.x ) > tol )
			return false;

		if( Math.abs( a.y - b.y ) > tol )
			return false;

		return Math.abs( a.z - b.z ) <= tol;

	}
Checks to see if the two vectors are identical to within tolerance. Each axis is checked
individually.

@param a   First vector.
@param b   Second vector.
@param tol Tolerance for equality.
@return true if identical and false if not.