

_S_t_o_p _F_u_n_c_t_i_o_n _E_x_e_c_u_t_i_o_n

     stop(message)

_D_e_s_c_r_i_p_t_i_o_n:

     `stop' stops execution of the current expression,
     prints the message given as its argument and then
     returns to the top level prompt.

_S_e_e _A_l_s_o:

     `warning'.

_E_x_a_m_p_l_e_s:

     if(iter > 10) stop("too many iterations")

     if(iter > 10) stop("too many iterations")

