NAME SPSub -- Subtract two floating point numbers. SYNOPSIS fnum3 = SPSub(fnum1, fnum2) D0 D1 D0 float SPSub(float fnum1, float fnum2); FUNCTION Accepts two floating point numbers and returns the arithmetic subtraction of said numbers. INPUTS fnum1 - floating point number. fnum2 - floating point number. RESULT fnum3 - floating point number. BUGS None. SEE ALSO