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ConstantKernel Performance #432

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Merged
willtebbutt merged 6 commits into from
Feb 1, 2022
Merged

ConstantKernel Performance #432

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4b95468
Add methods
willtebbutt Feb 1, 2022
77e4a5d
Bump patch version
willtebbutt Feb 1, 2022
eb09396
Use Fill
willtebbutt Feb 1, 2022
c82d384
Update src/basekernels/constant.jl
willtebbutt Feb 1, 2022
3221f0d
Revert to fill
willtebbutt Feb 1, 2022
0de2c43
Merge branch 'wct/constant-kernel-performance' of https://github.com/…
willtebbutt Feb 1, 2022
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2 changes: 1 addition & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name = "KernelFunctions"
uuid = "ec8451be-7e33-11e9-00cf-bbf324bd1392"
version = "0.10.29"
version = "0.10.30"

[deps]
ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
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8 changes: 8 additions & 0 deletions src/basekernels/constant.jl
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Expand Up @@ -77,4 +77,12 @@ kappa(κ::ConstantKernel, x::Real) = only(κ.c) * one(x)

metric(::ConstantKernel) = Delta()

function kernelmatrix(k::ConstantKernel, x::AbstractVector)
return Fill(only(k.c), length(x), length(x))
end

function kernelmatrix(k::ConstantKernel, x::AbstractVector, y::AbstractVector)
return Fill(only(k.c), length(x), length(y))
end

Base.show(io::IO, κ::ConstantKernel) = print(io, "Constant Kernel (c = ", only(κ.c), ")")