Merge branch 'master' into compathelper/new_version/2021-08-04-00-16-45-998-1513176018

Author: mkitti

Project.toml

@@ -17,7 +17,7 @@ WoodburyMatrices = "efce3f68-66dc-5838-9240-27a6d6f5f9b6"
 
 [compat]
 AxisAlgorithms = "0.3, 1"
-ChainRulesCore = "0.10, 1.3"
+ChainRulesCore = "0.10, 1.0, 1.2, 1.3"
 OffsetArrays = "0.10, 0.11, 1.0.1"
 Ratios = "0.3, 0.4"
 Requires = "1.1"

src/Interpolations.jl

@@ -470,6 +470,9 @@ maybe_clamp(itp, xs) = maybe_clamp(BoundsCheckStyle(itp), itp, xs)
 maybe_clamp(::NeedsCheck, itp, xs) = map(clamp, xs, lbounds(itp), ubounds(itp))
 maybe_clamp(::CheckWillPass, itp, xs) = xs
 
+Base.hash(x::AbstractInterpolation, h::UInt = zero(UInt)) = Base.hash_uint(3h - objectid(x))
+Base.hash(x::AbstractExtrapolation, h::UInt = zero(UInt)) = Base.hash_uint(3h - objectid(x))
+
 include("nointerp/nointerp.jl")
 include("b-splines/b-splines.jl")
 include("gridded/gridded.jl")

test/core.jl

@@ -51,3 +51,23 @@ end
     @test wi/2 === Interpolations.WeightedArbIndex((2, -1), (0.1, 0.4))
     @test Interpolations.indextuple(wi) == (2, -1)
 end
+
+@testset "Hash" begin
+    # Issue 339: Base.hash accesses out-of-bound indexes due to AbstractArray interface
+    # Relevant to Distributed computing
+    xr = collect(0.0:1.0:5.0)
+    yr = collect(1.0:1.0:6.0)
+    itp = interpolate((xr,),yr,Gridded(Linear()))
+    # using Distributed
+    # addprocs(2)
+    # @everywhere begin
+    #    using Interpolations
+    #    callitp(itp, x) = itp(x)
+    # end
+    # r = remotecall(callitp, 2, itp, 1.2)
+    # fetch(r) # 2.2
+    @test hash(itp) != 0
+    etp = LinearInterpolation([2, 3], [4, 5])
+    @test hash(etp.itp) != 0
+    @test hash(etp) != 0
+end