main/src/georegression/struct/GeoTuple4D_F64.java
public void timesIP( double scalar ) {
		x *= scalar;
		y *= scalar;
		z *= scalar;
		w *= scalar;
	}
public void timesIP( double scalar ) {
		x *= scalar;
		y *= scalar;
		z *= scalar;
		w *= scalar;
	}
In-place scalar multiplication
@param scalar value that it is multiplied by