lib/exonio/financial.rb in exonio-0.7.0 vs lib/exonio/financial.rb in exonio-0.7.1

- old
+ new

@@ -117,9 +117,11 @@ # # @example # Exonio.pmt(0.075/12, 12*15, 200_000) # ==> -1854.0247200054619 # def pmt(rate, nper, pv, fv = 0, end_or_beginning = 0) + return (-pv - fv) / nper if rate.zero? + temp = (1 + rate) ** nper fact = (1 + rate * end_or_beginning) * (temp - 1) / rate -(fv + pv * temp) / fact end