Flux.jl/test/basic.jl
2017-03-30 15:54:42 +01:00

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@net type TLP
first
second
function (x)
l1 = σ(first(x))
l2 = softmax(second(l1))
end
end
@net type Multi
W
V
(x, y) -> (x*W, y*V)
end
Multi(in::Integer, out::Integer) =
Multi(randn(in, out), randn(in, out))
@testset "Basics" begin
xs = randn(10)
d = Affine(10, 20)
@test d(xs) (xs'*d.W.x + d.b.x)[1,:]
d1 = @net x -> x * d.W + d.b
@test d(xs) == d1(xs)
let
# In 0.6 `.+` evaluates to an anon function, so we must match on that.
@capture(syntax(d), _Frame(_Line(bplus_(x_[1] * W_, b_))))
@test isa(x, DataFlow.Input) && isa(W, Param) && isa(b, Param)
end
let a1 = Affine(10, 20), a2 = Affine(20, 15)
tlp = TLP(a1, a2)
@test tlp(xs) softmax(a2(σ(a1(xs))))
@test Flux.interpmodel(tlp, xs) softmax(a2(σ(a1(xs))))
@test Flux.infer(tlp, (1, 10)) == (1,15)
end
let tlp = TLP(Affine(10, 21), Affine(20, 15))
e = try
Flux.interpmodel(tlp, rand(10))
catch e
e
end
@test e.trace[end].func == :TLP
@test e.trace[end-1].func == Symbol("Flux.Affine")
end
let m = Multi(10, 15)
x, y = rand(10), rand(10)
@test all(isapprox.(m(x, y), (m.W.x' * x, m.V.x' * y)))
@test all(isapprox.(m(x, y), Flux.interpmodel(m, x, y)))
end
end