/* * call-seq: * dtable.div!(number) -> dtable * dtable.div!(other) -> dtable * * When argument is a number, each entry x in _dtable_ is replaced by x / _number_. * When argument is a data array, each entry x in _dtable_ is replaced by x / * the corresponding entry in the _other_ data array. */ VALUE dtable_div_bang(VALUE ary, VALUE arg) {