/* * call-seq: * dtable.pow!(number) -> dtable * dtable.pow!(other) -> dtable * dtable.raised_to!(number) -> dtable * dtable.raised_to!(other) -> 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_pow_bang(VALUE ary, VALUE arg) {