Fix compatibility with LogDensityProblemsAD 1.4 (#1965)

Author: devmotion

Project.toml

@@ -1,6 +1,6 @@
 name = "Turing"
 uuid = "fce5fe82-541a-59a6-adf8-730c64b5f9a0"
-version = "0.24.1"
+version = "0.24.2"
 
 [deps]
 AbstractMCMC = "80f14c24-f653-4e6a-9b94-39d6b0f70001"
@@ -52,7 +52,7 @@ EllipticalSliceSampling = "0.5, 1"
 ForwardDiff = "0.10.3"
 Libtask = "0.7, 0.8"
 LogDensityProblems = "2"
-LogDensityProblemsAD = "1"
+LogDensityProblemsAD = "1.4"
 MCMCChains = "5, 6"
 NamedArrays = "0.9"
 Reexport = "0.2, 1"

src/essential/ad.jl

@@ -98,13 +98,13 @@ function LogDensityProblemsAD.ADgradient(ad::ForwardDiffAD, ℓ::Turing.LogDensi
         ForwardDiff.Tag(f, eltype(θ))
     end
     chunk_size = getchunksize(ad)
-    config = if chunk_size == 0
-        ForwardDiff.GradientConfig(f, θ, ForwardDiff.Chunk(θ), tag)
+    chunk = if chunk_size == 0
+        ForwardDiff.Chunk(θ)
     else
-        ForwardDiff.GradientConfig(f, θ, ForwardDiff.Chunk(length(θ), chunk_size), tag)
+        ForwardDiff.Chunk(length(θ), chunk_size)
     end
 
-    return LogDensityProblemsAD.ADgradient(Val(:ForwardDiff), ℓ; gradientconfig=config)
+    return LogDensityProblemsAD.ADgradient(Val(:ForwardDiff), ℓ; chunk, tag, x = θ)
 end
 
 function LogDensityProblemsAD.ADgradient(::TrackerAD, ℓ::Turing.LogDensityFunction)

test/Project.toml

@@ -44,7 +44,7 @@ DynamicPPL = "0.21.5"
 FiniteDifferences = "0.10.8, 0.11, 0.12"
 ForwardDiff = "0.10.12 - 0.10.32, 0.10"
 LogDensityProblems = "2"
-LogDensityProblemsAD = "1.2"
+LogDensityProblemsAD = "1.4"
 MCMCChains = "5, 6"
 NamedArrays = "0.9.4"
 Optim = "0.22, 1.0"