/* * call-seq: * dvector.floor! -> dvector * * Replace each entry x of _dvector_ with the largest integer not greater than x. * * a = Dvector[ 1.1, -2.2, 5.3 ] * a.floor! -> Dvector[ 1, -3, 5 ] * a -> Dvector[ 1, -3, 5 ] */ VALUE dvector_floor_bang(VALUE ary) {