concrete conversion in normalized/jacobi conversion (#186)

Author: jishnub

src/Spaces/Jacobi/JacobiOperators.jl

@@ -152,12 +152,12 @@ function Conversion(L::Jacobi,M::Jacobi)
         elseif M.b > L.b+1
             ConversionWrapper(
                 TimesOperator(
-                    Conversion(Jacobi(M.b-1,M.a,dm),M),
+                    ConcreteConversion(Jacobi(M.b-1,M.a,dm),M),
                     Conversion(L,Jacobi(M.b-1,M.a,dm))))
         else  #if M.a >= L.a+1
             ConversionWrapper(
                 TimesOperator(
-                    Conversion(Jacobi(M.b,M.a-1,dm),M),
+                    ConcreteConversion(Jacobi(M.b,M.a-1,dm),M),
                     Conversion(L,Jacobi(M.b,M.a-1,dm))))
         end
     elseif L.a ≈ L.b ≈ 0 && M.a ≈ M.b ≈ 0.5

src/Spaces/PolynomialSpace.jl

@@ -392,7 +392,7 @@ function Conversion(L::NormalizedPolynomialSpace{S}, M::S) where S<:PolynomialSp
         ConcreteConversion(L, M)
     else
         sp = L.space
-        ConversionWrapper(TimesOperator(Conversion(sp, M), Conversion(L, sp)))
+        ConversionWrapper(TimesOperator(Conversion(sp, M), ConcreteConversion(L, sp)))
     end
 end
 
@@ -401,7 +401,7 @@ function Conversion(L::S, M::NormalizedPolynomialSpace{S}) where S<:PolynomialSp
         ConcreteConversion(L, M)
     else
         sp = M.space
-        ConversionWrapper(TimesOperator(Conversion(sp, M), Conversion(L, sp)))
+        ConversionWrapper(TimesOperator(ConcreteConversion(sp, M), Conversion(L, sp)))
     end
 end