/* * call-seq: * dvector.asin -> a_dvector * * Returns of copy of _dvector_ with entry x replaced by asin(x). * * a = Dvector[ 0.1, -0.2, -0.3, 0.4 ] * a.asin -> Dvector[ asin(0.1), asin(-0.2), asin(-0.3), asin(0.4) ] */ VALUE dvector_asin(VALUE ary) {