docs: @Pure
  	public static boolean isCollinearLines(
  			double x1, double y1, double z1, double x2, double y2, double z2,
  			double x3, double y3, double z3, double x4, double y4, double z4) {
  		return (isParallelLines(x1, y1, z1, x2, y2, z2, x3, y3, z3, x4, y4, z4)
  				&& FunctionalPoint3D.isCollinearPoints(x1, y1, z1, x2, y2, z2, x3, y3, z3, MathConstants.EPSILON));
  	}