/* * call-seq: * dvector.abs! -> dvector * * Replace each entry x of _dvector_ with abs(x). * * a = Dvector[ 1.1, -2.2, 5.3 ] * a.abs! -> Dvector[ 1.1, 2.2, 5.3 ] * a -> Dvector[ 1.1, 2.2, 5.3 ] */ VALUE dvector_abs_bang(VALUE ary) {