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Preserve Float type for Periodic Kernel #560

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merged 5 commits into from
Jul 22, 2024
Merged

Preserve Float type for Periodic Kernel #560

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aae8bc2
0.5d -> d/2 change for kappa function of periodic kernel
molet Jul 8, 2024
1416dd2
test added
molet Jul 8, 2024
8686dd1
strip trailing whitespace
molet Jul 8, 2024
d84ec69
Update test/basekernels/periodic.jl
molet Jul 8, 2024
9782c68
Merge branch 'master' into preserve_float_type
willtebbutt Jul 22, 2024
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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 = "0.10.63"
version = "0.10.64"

[deps]
ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
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2 changes: 1 addition & 1 deletion src/basekernels/periodic.jl
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Expand Up @@ -34,7 +34,7 @@ PeriodicKernel(T::DataType, dims::Int=1) = PeriodicKernel(; r=ones(T, dims))

metric(κ::PeriodicKernel) = Sinus(κ.r)

kappa(::PeriodicKernel, d::Real) = exp(-0.5d)
kappa(::PeriodicKernel, d::Real) = exp(-d / 2)

function Base.show(io::IO, κ::PeriodicKernel)
return print(io, "Periodic Kernel, length(r) = $(length(κ.r))")
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1 change: 1 addition & 0 deletions test/basekernels/periodic.jl
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Expand Up @@ -8,6 +8,7 @@
@test k(v1, v2) ≈ exp(-0.5 * sum(abs2, sinpi.(v1 - v2) ./ r))
@test k(v1, v2) == k(v2, v1)
@test PeriodicKernel(3)(v1, v2) == PeriodicKernel(; r=ones(3))(v1, v2)
@test PeriodicKernel(; r=Float32.(r))(Float32.(v1), Float32.(v2)) isa Float32
@test repr(k) == "Periodic Kernel, length(r) = $(length(r))"

# Standardised tests.
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