* @param column
* the column that should have the same width
* @return the resulting same-width constraint
*/
public Constraint hasSameWidthAs(Column column) throws LinearProgrammingException {
Constraint c = ls.addConstraint(-1, left, 1, right, 1, column.left, -1,
column.right, OperatorType.EQ, 0);
c.Owner = this;
constraints.add(c);
return c;
}