/* * call-seq: * dtable.add(number) -> a_dtable * dtable.add(other) -> a_dtable * dtable + number -> a_dtable * number + dtable -> a_dtable * dtable + other -> a_dtable * * When argument is a number, this operation returns a copy of _dtable_ with each entry x replaced by x + _number_. * When argument is a data array, this operation returns a copy of _dtable_ with each entry x replaced * by x + the corresponding entry in the _other_ data array. */ VALUE dtable_add(VALUE ary, VALUE arg) {