undef method

int undef(String? label)

Implementation

int undef( String? label ){
	int index;
	if( (index = _label.undef( label )) >= 0 ){
		// 値を初期化する
		_node[index] = ClipArrayNode();
		_mat [index] = MathMatrix();
		_mp  [index] = MPData();
	}
	return index;
}