main/src/georegression/geometry/GeometryMath_F64.java
public static void changeSign( GeoTuple3D_F64 t ) {
		t.x = -t.x;
		t.y = -t.y;
		t.z = -t.z;
	}
public static void changeSign( GeoTuple3D_F64 t ) {
		t.x = -t.x;
		t.y = -t.y;
		t.z = -t.z;
	}
<p>
Changes the sign of the vector:<br>
<br>
T = -T
</p>

@param t Vector whose sign is being changed.  Modified.