void merge(BindingGroup<T> bg, Matrix m, float epsilon) {
if (bg==this) {
if (m.equalsModuloEpsilon(Matrix.ONE, epsilon)) return;
void merge(BindingGroup<T> bg, Matrix m, float epsilon) {
if (bg==this) {
if (m.equalsModuloEpsilon(Matrix.ONE, epsilon)) return;