Accept tolerance kw in isapprox(::Fun, ::Number) (#455)

Author: jishnub

Project.toml

@@ -1,6 +1,6 @@
 name = "ApproxFunBase"
 uuid = "fbd15aa5-315a-5a7d-a8a4-24992e37be05"
-version = "0.8.17"
+version = "0.8.18"
 
 [deps]
 AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"

src/Fun.jl

@@ -761,8 +761,8 @@ function isapprox(f::Fun,g::Fun;
     end
 end
 
-isapprox(f::Fun, g::Number) = f ≈ g*ones(space(f))
-isapprox(g::Number, f::Fun) = g*ones(space(f)) ≈ f
+isapprox(f::Fun, g::Number; kw...) = isapprox(f, g*ones(space(f)); kw...)
+isapprox(g::Number, f::Fun; kw...) = isapprox(g*ones(space(f)), f; kw...)
 
 
 isreal(f::Fun{<:RealSpace,<:Real}) = true

test/runtests.jl

@@ -678,5 +678,10 @@ end
     @test !ApproxFunBase.isleftendpoint(rightendpoint)
 end
 
+@testset "Fun isapprox with kw" begin
+    @test isapprox(Fun(1), 1, atol=1e-10)
+    @test isapprox(1, Fun(1), atol=1e-10)
+end
+
 @time include("ETDRK4Test.jl")
 include("show.jl")