main/src/georegression/struct/se/SpecialEuclideanOps_F64.java
public static Affine2D_F64 toAffine( Se2_F64 se , Affine2D_F64 affine ) {
		if( affine == null )
			affine = new Affine2D_F64();

		affine.a11 = se.c;
		affine.a12 = -se.s;
		affine.a21 = se.s;
		affine.a22 = se.c;

		affine.tx = se.T.x;
		affine.ty = se.T.y;

		return affine;
	}
public static Affine2D_F64 toAffine( Se2_F64 se , Affine2D_F64 affine ) {
		if( affine == null )
			affine = new Affine2D_F64();

		affine.a11 = se.c;
		affine.a12 = -se.s;
		affine.a21 = se.s;
		affine.a22 = se.c;

		affine.tx = se.T.x;
		affine.ty = se.T.y;

		return affine;
	}
Converts {@link Se2_F64} into {@link Affine2D_F64}.
@param se (Input) Se2
@param affine (Output) Equivalent affine.  If null a new object will be declared.
@return Equivalent affine.