- fpfactorial nprocedure
- fpbinomial n kprocedure
- fppermutations n kprocedure
- fpmultinomial n ksprocedure
- n
- flonum
- k
- flonum
- ks
- (list-of flonum)
Like (fp (factorial (fp->exact-integer n))) and so on, but computed in constant time. Also, these return +nan.0 instead of raising exceptions.
For factorial-like functions that return sensible values for non-integers, see log-gamma and log-beta (Note: currently missing).