/* * call-seq: * dvector.mul!(number) -> dvector * dvector.mul!(other) -> dvector * * When argument is a number, each entry x in _dvector_ is replaced by x * _number_. * When argument is a vector, each entry x in _dvector_ is replaced by x * * the corresponding entry in the _other_ vector. * * a = Dvector[ 11, -5, 2 ] * a.mul!(3) -> Dvector[ 33, -15, 6 ] * a -> Dvector[ 33, -15, 6 ] * a = Dvector[ 11, -5, 2 ] * b = Dvector[ 7, 4, -10 ] * a.mul!(b) -> Dvector[ 77, -20, -20 ] * a -> Dvector[ 77, -20, -20 ] */ VALUE dvector_mul_bang(VALUE ary, VALUE arg) {