lib/dydx/algebra/operator/parts/general.rb in dydx-0.1.29 vs lib/dydx/algebra/operator/parts/general.rb in dydx-0.1.31

@@ -33,9 +33,11 @@
                 elsif combinable?(x.g, operator)
                   send(operator, x.g).send(operator, x.f)
                 else
                   super(x)
                 end
+              elsif [:+, :*].include?(operator) && x.formula?(operator.super) && self == x.f
+                send(operator.super, (1 + x.g))
               elsif x.is_a?(Inverse) && x.operator == operator && x.x.formula?(operator)
                 if combinable?(x.x.f, operator)
                   send(operator, inverse(x.x.f, operator)).send(operator, inverse(x.x.g, operator))
                 elsif combinable?(x.x.g, operator)
                   send(operator, inverse(x.x.g, operator)).send(operator, inverse(x.x.f, operator))