Undocumented g0(x) and g1(x)



>>>>> "David" == CALCRTS  <Billinghurst> writes:

    David> To my surprise, the functions g0() and g1() are defined as
    David> (C1) g0(x);

    David>                                               - x
    David> (D1)                         BESSEL_I(0, X) %E
    David> (C2) g1(x);

    David>                                               - x
    David> (D2)                         BESSEL_I(1, X) %E


    David> I can't find any documentation on this.

As far as I know, it was only in the code.  I think I spent some time
figuring out what they really were.  They're useful if you need to
compute these functions for large x where e^x would overflow, but
g0/g1 would not.

New names would be useful.  I don't think they're used anywhere else. 

Ray