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                 A number of library subprograms with highly specialized uses
            in  mathematics  and  programming  are  included  in  a number of
          * locally-supported Subsystem libraries.

                 This  section  is  designed  to  give  the  user  a  working
            knowledge  of  these functions and subroutines.  Each routine has
            its own entry organized under the following headings.  Note  that
            a heading will be omitted if it contains no information.


                 _H_e_a_d_e_r _L_i_n_e

                      The  subprogram's  name, a synopsis of its purpose, and
                      the date of last modification to its documentation.

                 _C_a_l_l_i_n_g _I_n_f_o_r_m_a_t_i_o_n

                      The subprogram declaration and the declarations of  its
                      arguments,  as well as the name of the library in which
                      it can be found.  This should be used  as  a  reference
                      when constructing calls to a given routine.

                 _F_u_n_c_t_i_o_n

                      A description of the purpose of the routine, along with
                      the  interpretations  of its arguments and the returned
                      value (if any).

                 _I_m_p_l_e_m_e_n_t_a_t_i_o_n

                      A short discussion of the strategy  used  to  implement
                      the routine, abstracted from the source code.

                 _A_r_g_u_m_e_n_t_s _M_o_d_i_f_i_e_d

                      Names of those arguments modified by the routine.

                 _C_a_l_l_s

                      Other subprograms called by this routine.

                 _B_u_g_s

                      Known problems with the use of the routine.

                 _S_e_e _A_l_s_o

                      References to further information or related routines.






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