/* * call-seq: * dvector.ceil! -> dvector * * Replace each entry x of _dvector_ with the smallest integer not less than x. * * a = Dvector[ 1.1, -2.2, 5.3 ] * a.ceil! -> Dvector[ 2, -2, 6 ] * a -> Dvector[ 2, -2, 6 ] */ VALUE dvector_ceil_bang(VALUE ary) {