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create xexpy function with x = 1 typestable #473

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Oct 4, 2024
Merged

create xexpy function with x = 1 typestable #473

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2 changes: 1 addition & 1 deletion EpiAware/src/EpiInfModels/EpiInfModels.jl
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Expand Up @@ -6,7 +6,7 @@ module EpiInfModels
using ..EpiAwareBase
using ..EpiAwareUtils

using Turing, Distributions, DocStringExtensions, LinearAlgebra
using Turing, Distributions, DocStringExtensions, LinearAlgebra, LogExpFunctions

#Export models
export EpiData, DirectInfections, ExpGrowthRate, Renewal
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2 changes: 1 addition & 1 deletion EpiAware/src/EpiInfModels/ExpGrowthRate.jl
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Expand Up @@ -116,5 +116,5 @@ I_t = generated_quantities(latent_inf, θ)
"
@model function EpiAwareBase.generate_latent_infs(epi_model::ExpGrowthRate, rt)
init_incidence ~ epi_model.initialisation_prior
return exp.(init_incidence .+ cumsum(rt))
return oneexpy.(init_incidence .+ cumsum(rt))
end
7 changes: 7 additions & 0 deletions EpiAware/src/EpiInfModels/utils.jl
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Expand Up @@ -72,3 +72,10 @@ Compute the reproductive ratio given exponential growth rate `r`
function r_to_R(r, w::AbstractVector)
return 1 / neg_MGF(r, w::AbstractVector)
end

"""
Version of `LogExpFunctions.xexpy` that takes a single argument `y` and returns `exp(y)`.
"""
function oneexpy(y::T) where {T}
return xexpy(one(T), y)
end
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