finite() returns the integer value 1 (true) or 0 (false).

    finite(x) = 1 when -infinity < x < +infinity.

    finite(x) = 0 when |x| = infinity or x is a NaN.

                           Entry-Point Names

    Generic                                   Compaq
    Function   Data Type                      Tru64 UNIX
    Name       Required    OpenVMS Alpha      Alpha

    finite     S_FLOAT     math$finite_s      finitef
               T_FLOAT     math$finite_t      finite
               X_FLOAT     math$finite_x      finitel
               F_FLOAT     math$finite_f
               G_FLOAT     math$finite_g