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Invariants #126

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Invariants #126

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2 changes: 2 additions & 0 deletions src/interface.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,8 @@ function test_interface(μ::M) where {M}
x = @inferred testvalue(Float64, μ)
β = @inferred basemeasure(μ, x)

@test logdensity_def(μ, x) ≈ logdensity_rel(μ, β, x)

ℓμ = @inferred logdensityof(μ, x)
ℓβ = @inferred logdensityof(β, x)

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9 changes: 9 additions & 0 deletions test/combinators/transformedmeasure.jl
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Expand Up @@ -42,6 +42,15 @@ function test_pushfwd(f, μ, ν_ref)
test_transport(ν_ref, ν)

y = rand(ν_ref)
x = inverse(f)(y)

β = basemeasure(μ)
@test isapprox(
logdensity_rel(ν, pushfwd(f, β), y),
logdensity_rel(μ, β, x),
atol = 1e-10,
)

@test isapprox(@inferred(logdensityof(ν, y)), logdensityof(ν_ref, y), atol = 1e-10)
@test isapprox(
@inferred(unsafe_logdensityof(ν, y)),
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