/* * call-seq: * dvector.asin! -> dvector * * Replace each entry x of _dvector_ with asin(x). * * a = Dvector[ 0.1, -0.2, 0.3 ] * a.asin! -> Dvector[ asin(0.1), asin(-0.2), asin(0.3) ] * a -> Dvector[ asin(0.1), asin(-0.2), asin(0.3) ] */ VALUE dvector_asin_bang(VALUE ary) {