VMS Help  —  CPML  rint()  Description
    rint() rounds x to an integral value according to the current
    IEEE rounding direction specified by the user.

                           Entry-Point Names

    Generic
    Function   Data Type   OpenVMS        Tru64 UNIX
    Name       Required

    rint       S_FLOAT     math$rint_s    rintf
               T_FLOAT     math$rint_t    rint
               X_FLOAT     math$rint_x    rintl
               F_FLOAT     math$rint_f
               G_FLOAT     math$rint_g
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