setdiff for point

Author: dlfivefifty

Project.toml

@@ -1,6 +1,6 @@
 name = "ApproxFunOrthogonalPolynomials"
 uuid = "b70543e2-c0d9-56b8-a290-0d4d6d4de211"
-version = "0.1.0"
+version = "0.1.1"
 
 [deps]
 AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"
@@ -32,7 +32,7 @@ ToeplitzMatrices = "c751599d-da0a-543b-9d20-d0a503d91d24"
 AbstractFFTs = "≥ 0.3.1"
 ApproxFunBase = "0.1"
 BandedMatrices = "0.9.0"
-BlockArrays = "0.8.0"
+BlockArrays = "0.8, 0.9"
 BlockBandedMatrices = "0.4.0"
 Calculus = "≥ 0.1.15"
 DSP = "≥ 0.5.1"

src/Domains/Domains.jl

@@ -17,4 +17,7 @@ Base.setdiff(d::Union{AbstractInterval,Segment,Ray,Line}, ptsin::WrappedDomain{<
     affine_setdiff(d, ptsin)
 
 Base.setdiff(d::Union{AbstractInterval,Segment,Ray,Line}, ptsin::AbstractVector{<:Number}) = 
-    ApproxFunBase._affine_setdiff(d, ptsin)
+    ApproxFunBase._affine_setdiff(d, ptsin)
+
+Base.setdiff(d::Union{AbstractInterval,Segment,Ray,Line}, ptsin::Number) = 
+    ApproxFunBase._affine_setdiff(d, ptsin)    

test/SpacesTest.jl

@@ -1,9 +1,9 @@
 using ApproxFunOrthogonalPolynomials, SpecialFunctions, LinearAlgebra, Test
-    import DomainSets
-    import DomainSets: UnionDomain
-    import ApproxFunBase: space, SpaceOperator,
-                        testspace, testbandedoperator, testraggedbelowoperator, testcalculus, testtransforms,
-                        testfunctional
+import DomainSets
+import DomainSets: UnionDomain
+import ApproxFunBase: space, SpaceOperator,
+                    testspace, testbandedoperator, testraggedbelowoperator, testcalculus, testtransforms,
+                    testfunctional
 
 @testset "Spaces" begin
     @testset "ChebyshevDirichlet" begin
@@ -294,4 +294,11 @@ using ApproxFunOrthogonalPolynomials, SpecialFunctions, LinearAlgebra, Test
         @test g(0.1) ≈ 0.2
         @test g(-0.2) ≈ 0.0
     end
+
+    @testset "remove point" begin
+        @test (-1..1) \ 0 == UnionDomain(-1..0, 0..1)
+        f = Fun(identity, (-1..1) \ 0)
+        @test f(0.1) ≈ 0.1
+        @test f(-0.1) ≈ -0.1
+    end
 end