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WIP: bugfix AD #126

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WIP: bugfix AD #126

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57be075
support ScalMat in FiniteGP observation covariance
st-- Apr 1, 2022
693147d
WIP: ProjectTo type piracy AD fix
st-- Apr 1, 2022
4be201b
Merge branch 'master' of github.com:JuliaGaussianProcesses/Approximat…
st-- Apr 2, 2022
09044de
Update src/ApproximateGPs.jl
st-- Apr 2, 2022
a9f748f
Merge branch 'master' into st/bugfix-ad
st-- Apr 8, 2022
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6 changes: 6 additions & 0 deletions src/ApproximateGPs.jl
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Expand Up @@ -23,4 +23,10 @@

include("TestUtils.jl")

import ChainRulesCore: ProjectTo, Tangent
using PDMats: ScalMat
ProjectTo(x::T) where {T<:ScalMat} = ProjectTo{T}(; dim=x.dim, value=ProjectTo(x.value))
(pr::ProjectTo{<:ScalMat})(dx::ScalMat) = ScalMat(pr.dim, pr.value(dx.value))
(pr::ProjectTo{<:ScalMat})(dx::Tangent{<:ScalMat}) = ScalMat(pr.dim, pr.value(dx.value))

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end