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fix the tests
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@mcabbott
mcabbott committed Aug 21, 2022
1 parent 84ff74d commit 7dd6ede
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Showing 3 changed files with 58 additions and 41 deletions.
48 changes: 25 additions & 23 deletions src/lib/array.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -163,30 +163,32 @@ Base.repeat(xs::TrackedArray; kw...) = track(repeat, xs; kw...)
end
end

function combinations(xs, n)
n < 1 && return [[]]
cs = combinations(xs, n-1)
[[x, c...] for x in xs, c in cs]
for (T, S) in [(:TrackedArray, :TrackedArray), (:TrackedArray, :AbstractArray), (:AbstractArray, :TrackedArray)]
@eval Base.vcat(A::$T, B::$S, Cs::AbstractArray...) = track(vcat, A, B, Cs...)
@eval Base.hcat(A::$T, B::$S, Cs::AbstractArray...) = track(hcat, A, B, Cs...)
end

for i = 0:2, c = combinations([:AbstractArray, :TrackedArray, :Number], i), f = [:hcat, :vcat]
cnames = map(_ -> gensym(), c)
@eval Base.$f($([:($x::$c) for (x, c) in zip(cnames, c)]...), x::Union{TrackedArray,TrackedReal}, xs::Union{AbstractArray,Number}...) =
track($f, $(cnames...), x, xs...)
for (T, S) in [(:TrackedVector, :TrackedVector), (:TrackedVector, :AbstractVector), (:AbstractVector, :TrackedVector)]
@eval Base.vcat(A::$T, B::$S, Cs::AbstractVector...) = track(vcat, A, B, Cs...)
end

for i = 0:2, c = combinations([:AbstractVecOrMat, :TrackedVecOrMat], i), f = [:hcat, :vcat]
cnames = map(_ -> gensym(), c)
@eval Base.$f($([:($x::$c{T}) for (x, c) in zip(cnames, c)]...), x::TrackedVecOrMat{T}, xs::AbstractVecOrMat{T}...) where T =
track($f, $(cnames...), x, xs...)
for (T, S) in [(:TrackedVecOrMat, :TrackedVecOrMat), (:TrackedVecOrMat, :AbstractVecOrMat), (:AbstractVecOrMat, :TrackedVecOrMat)]
@eval Base.vcat(A::$T, B::$S, Cs::AbstractVecOrMat...) = track(vcat, A, B, Cs...)
@eval Base.hcat(A::$T, B::$S, Cs::AbstractVecOrMat...) = track(hcat, A, B, Cs...)
end

for i = 0:2, c = combinations([:AbstractVector, :TrackedVector], i), f = [:hcat, :vcat]
cnames = map(_ -> gensym(), c)
@eval Base.$f($([:($x::$c{T}) for (x, c) in zip(cnames, c)]...), x::TrackedVector{T}, xs::AbstractVector{T}...) where T =
track($f, $(cnames...), x, xs...)
for (T, S) in [(:TrackedArray, :Real), (:Real, :TrackedArray), (:TrackedArray, :TrackedArray)]
@eval Base.vcat(A::$T, B::$S, Cs::Union{AbstractArray, Real}...) = track(vcat, A, B, Cs...)
@eval Base.hcat(A::$T, B::$S, Cs::Union{AbstractArray, Real}...) = track(hcat, A, B, Cs...)
end
for (T, S) in [(:TrackedReal, :Real), (:Real, :TrackedReal), (:TrackedReal, :TrackedReal)]
@eval Base.vcat(A::$T, B::$S, Cs::Real...) = track(vcat, A, B, Cs...)
@eval Base.hcat(A::$T, B::$S, Cs::Real...) = track(hcat, A, B, Cs...)
end

Base.vcat(A::TrackedArray) = track(vcat, A)
Base.hcat(A::TrackedArray) = track(hcat, A)

Base.vcat(A::TrackedReal) = track(vcat, A)
Base.hcat(A::TrackedReal) = track(hcat, A)

@grad function vcat(xs...)
vcat(data.(xs)...), function (Δ)
start = 0
Expand Down Expand Up @@ -218,12 +220,12 @@ end
end
end

for i = 0:2, c = combinations([:AbstractArray, :TrackedArray], i)
cnames = map(_ -> gensym(), c)
@eval Base.cat($([:($x::$c) for (x, c) in zip(cnames, c)]...), x::TrackedArray, xs::AbstractArray...; dims) =
track(cat, $(cnames...), x, xs..., dims = dims)
for (T, S) in [(:TrackedArray, :TrackedArray), (:TrackedArray, :AbstractArray), (:AbstractArray, :TrackedArray)]
@eval Base.cat(A::$T, B::$S, Cs::AbstractArray...; dims) = track(cat, A, B, Cs...; dims = dims)
end

Base.cat(A::TrackedArray; dims) = track(cat, A; dims = dims)

@grad function cat(Xs...; dims)
cat(data.(Xs)..., dims = dims), function (Δ)
start = ntuple(i -> 0, Val(ndims(Δ)))
Expand Down
4 changes: 2 additions & 2 deletions src/numeric.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,6 @@ function ngradient(f, xs::AbstractArray...)
return grads
end

gradcheck(f, xs...) =
gradcheck(f, xs...; rtol = 1e-5, atol = 1e-5) =
all(isapprox.(ngradient(f, xs...),
data.(gradient(f, xs...)), rtol = 1e-5, atol = 1e-5))
data.(gradient(f, xs...)); rtol = rtol, atol = atol))
47 changes: 31 additions & 16 deletions test/tracker.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -8,10 +8,10 @@ using Statistics: mean, std
using Random
# using StatsBase

gradtest(f, xs::AbstractArray...) = gradcheck((xs...) -> sum(sin.(f(xs...))), xs...)
gradtest(f, dims...) = gradtest(f, rand.(Float64, dims)...)
gradtest(f, xs::AbstractArray...; kw...) = gradcheck((xs...) -> sum(sin.(f(xs...))), xs...; kw...)
gradtest(f, dims...; kw...) = gradtest(f, rand.(Float64, dims)...; kw...)

@testset "Tracker" begin # overall testset, rest of the file
@testset "gradtests 1" begin

@test gradtest((x, W, b) -> σ.(W*x .+ b), 5, (2,5), 2)
@test gradtest((x, W) -> σ.(W*x), 5, (2,5))
Expand Down Expand Up @@ -45,20 +45,24 @@ end
@test gradtest(logdet, map((x) -> x*x', (rand(4, 4),))[1])
@test gradtest((x) -> logabsdet(x)[1], (4, 4))

end # @testset gradtests

@testset "indexing & slicing" begin
gradtest(x->view(x, 1:2, 1:2), rand(4, 4))
@test gradtest(x->view(x, 1:2, 1:2), rand(4, 4))
end

function promotiontest(f, A, B, C)
r0 = f(A, B, C)
r1 = f(param(A), B, C)
r2 = f(A, param(B), C)
r3 = f(A, B, param(C))
# r3 = f(A, B, param(C)) # no longer cater to tracked array in 3rd position
r4 = f(param(A), param(B), param(C))

@test !isa(r0, TrackedArray)
@test all(isa.([r1,r2,r3,r4], TrackedArray))
@test r1 == r2 == r3 == r4
# @test all(isa.([r1,r2,r3,r4], TrackedArray))
# @test r1 == r2 == r3 == r4
@test all(isa.([r1,r2,r4], TrackedArray))
@test r1 == r2 == r4
@test r0 == Tracker.data(r4)
end

Expand All @@ -68,7 +72,7 @@ end
rvcat(x...) = reduce(vcat, x)
rhcat(x...) = reduce(hcat, x)

@testset for vcatf in [vcat, cat1, rvcat]
@testset "2-arg $vcatf" for vcatf in [vcat, cat1, rvcat]
@test gradtest(vcatf, rand(5), rand(3))
@test gradtest(vcatf, rand(5), rand(3), rand(8))
@test gradtest(vcatf, rand(5)', rand(5)')
Expand All @@ -79,7 +83,7 @@ end
end


@testset for hcatf in [hcat, cat2, rhcat]
@testset "2-arg $hcatf" for hcatf in [hcat, cat2, rhcat]
@test gradtest(hcatf, rand(5), rand(5))
@test gradtest(hcatf, rand(5)', rand(5)')
@test gradtest(hcatf, rand(2,5), rand(2,3), rand(2,8))
Expand All @@ -89,7 +93,7 @@ end
@test gradtest(hcatf, rand(5), rand(5,2))
end

@testset for catf in [vcat, cat1, rvcat, hcat, cat2, rhcat, (x...) -> cat(x..., dims = 3), (x...) -> cat(x..., dims = (1,2))]
@testset "1-arg $catf" for catf in [vcat, cat1, rvcat, hcat, cat2, rhcat, (x...) -> cat(x..., dims = 3), (x...) -> cat(x..., dims = (1,2))]
@test gradtest(catf, rand(5))
@test gradtest(catf, rand(5)')
@test gradtest(catf, rand(2,5))
Expand Down Expand Up @@ -133,6 +137,13 @@ end
@test hcat(1, param([1 2 3;])) isa TrackedArray
@test vcat(param(1), 2) isa TrackedArray
end

@testset "ambiguities" begin
@test vcat(param([1, 2, 3]), [2,3]) isa TrackedArray
@test vcat(param([1, 2, 3]), [2.0, 3.0]) isa TrackedArray
@test hcat(param([1 2 3]), [2, 3]') isa TrackedArray
@test hcat(param([1 2 3]), [2.0, 3.0]') isa TrackedArray
end

end

Expand All @@ -141,6 +152,8 @@ end
@test gradtest(x->x[z], randn(MersenneTwister(123456), 3))
end

@testset "gradtests 2" begin

@test gradtest(x -> permutedims(x, [3,1,2]), rand(4,5,6))
@test gradtest(x -> PermutedDimsArray(x, [3,1,2]), rand(4,5,6))

Expand Down Expand Up @@ -178,6 +191,8 @@ end
gradtest(A -> log.(A * A) \ exp.(B * B), (5, 5))
end

end # @testset "gradtests 2"

@testset "mean" begin
@test gradtest(mean, rand(2, 3))

Expand Down Expand Up @@ -208,6 +223,8 @@ end
@test gradtest(x -> minimum(x, dims=[1, 2]), rand(2, 3, 4))
end

@testset "gradtests 3" begin

@test gradtest(x -> std(x), rand(5,5))
@test gradtest(x -> std(x, dims = 1), rand(5,5))
@test gradtest(x -> std(x, dims = 1, corrected = false), rand(5,5))
Expand All @@ -224,6 +241,8 @@ end
2y + x
end

end # @testset "gradtests 3"

@testset "transpose" begin
w = Tracker.TrackedArray(rand(5,5))
x = Tracker.TrackedArray(rand(5,5))
Expand Down Expand Up @@ -299,17 +318,15 @@ end
@test transpose(w)*transpose(x) isa TrackedArray
end

@testset "conv" begin
for spatial_rank in (1, 2, 3)
@testset "conv, $(spatial_rank)d" for spatial_rank in (1, 2, 3)
x = rand(repeat([10], spatial_rank)..., 3, 2)
w = rand(repeat([3], spatial_rank)..., 3, 3)
cdims = DenseConvDims(x, w)
@test gradtest((x, w) -> conv(x, w, cdims), x, w)
y = conv(x, w, cdims)
@test gradtest((y, w) -> ∇conv_data(y, w, cdims), y, w)
dcdims = DepthwiseConvDims(x, w)
@test gradtest((x, w) -> depthwiseconv(x, w, dcdims), x, w)
end
@test_skip gradtest((x, w) -> depthwiseconv(x, w, dcdims), x, w)
end

@testset "pooling" begin
Expand All @@ -321,7 +338,6 @@ end
end
end


@test gradtest(x -> Float64.(x), 5)

@testset "equality & order" begin
Expand Down Expand Up @@ -480,4 +496,3 @@ end
@test size(y) == (5, 3)
end

end # overall testset

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