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;
	}
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.
<p > Changes the sign of the vector : <br > <br > T = - T < / p >