Ensure special evaluation is at leftendpoint/rightendpoint (#60)

* Ensure special evaluation is at leftendpoint/rightendpoint

* compat cutoff on ApproxFunBase

* import isrightendpoint

Author: jishnub

Project.toml

@@ -1,6 +1,6 @@
 name = "ApproxFunSingularities"
 uuid = "f8fcb915-6b99-5be2-b79a-d6dbef8e6e7e"
-version = "0.3.8"
+version = "0.3.9"
 
 [deps]
 ApproxFunBase = "fbd15aa5-315a-5a7d-a8a4-24992e37be05"
@@ -13,7 +13,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
-ApproxFunBase = "0.7.43, 0.8"
+ApproxFunBase = "0.8.16"
 ApproxFunBaseTest = "0.1"
 ApproxFunOrthogonalPolynomials = "0.2.3, 0.3, 0.4, 0.5, 0.6"
 Aqua = "0.5"

src/ApproxFunSingularities.jl

@@ -25,7 +25,7 @@ import ApproxFunBase: Fun, SumSpace, SubSpace, WeightSpace, NoSpace,
             coefficients, isconvertible, SpaceOperator, cfstype, mobius, roots,
             splitatroots, domaintype, rangetype, weight, isapproxinteger,
             dotu, components, promoterangespace, ∞, gamma,
-            assert_integer, SpecialEvalPtType, isleftendpoint, evaluation_point
+            assert_integer, SpecialEvalPtType, isleftendpoint, isrightendpoint, evaluation_point
 
 import ApproxFunOrthogonalPolynomials: order
 

src/JacobiWeightOperators.jl

@@ -339,10 +339,13 @@ defaultConversion(A::JacobiWeight{<:Any,<:IntervalOrSegmentDomain},
 ## Evaluation
 
 function getindex(op::ConcreteEvaluation{<:JacobiWeight,<:SpecialEvalPtType}, kr::AbstractRange)
-    if isleftendpoint(evaluation_point(op))
+    x = evaluation_point(op)
+    if isleftendpoint(x)
         _getindex_eval_leftendpoint(op, kr)
-    else
+    elseif isrightendpoint(x)
         _getindex_eval_rightendpoint(op, kr)
+    else
+        throw(ArgumentError("Evaluation is supported only at the leftendpoint/rightendpoint of the domain"))
     end
 end