NAME
    SPLog - obtain the natural logarithm of the floating point number
SYNOPSIS
    fnum2 = SPLog(fnum1);
                  d0.l
    float fnum2;
    float fnum1;
FUNCTION
    Accepts a floating point number and returns the natural
    logarithem (base e) of said number
INPUTS
    fnum1 - Motorola fast floating point number
RESULT
    fnum2 - Motorola fast floating point number
BUGS
    None
SEE ALSO
    spexp