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