/* * call-seq: * dvector.resize(new_size) -> dvector * * Modifies _dvector_ to have the requested size by truncating or expanding with trailing zeros. * * a = Dvector[1, 5, -3] * a.resize(5) -> Dvector[ 1, 5, -3, 0, 0 ] * a -> Dvector[ 1, 5, -3, 0, 0 ] * a.resize(2) -> Dvector[ 1, 5 ] * a -> Dvector[ 1, 5 ] */ VALUE dvector_resize(VALUE ary, VALUE len) {