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