@Override
    public INDArray exec(RandomOp op, Random rng) {
        return processOp(op).z();
    }
@Override
    public INDArray exec(RandomOp op, Random rng) {
        return processOp(op).z();
    }
@ Override public INDArray exec ( RandomOp op , Random rng ) { return processOp ( op ) . z ( ) ; }
This method executes specific RandomOp against specified RNG

@param op
@param rng
This method executes specific RandomOp against specified RNG