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add sensitivity solution constructor #1152

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May 30, 2020
Merged

add sensitivity solution constructor #1152

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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
Expand Up @@ -26,7 +26,7 @@ UnPack = "3a884ed6-31ef-47d7-9d2a-63182c4928ed"
[compat]
ArrayInterface = "2.7"
DataStructures = "0.17"
DiffEqBase = "6.33"
DiffEqBase = "6.36"
ExponentialUtilities = "1.2"
FiniteDiff = "2"
ForwardDiff = "0.10.3"
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26 changes: 23 additions & 3 deletions src/composite_solution.jl
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Expand Up @@ -62,12 +62,32 @@ function DiffEqBase.solution_new_retcode(sol::ODECompositeSolution{T,N,uType,uTy
sol.u,sol.u_analytic,sol.errors,sol.t,sol.k,sol.prob,
sol.alg,sol.interp,sol.alg_choice,sol.dense,sol.tslocation,
sol.destats,retcode)
end
end

function DiffEqBase.solution_new_tslocation(sol::ODECompositeSolution{
function DiffEqBase.solution_new_tslocation(sol::ODECompositeSolution{
T,N,uType,uType2,EType,tType,rateType,P,A,IType,DE},tslocation) where {T,N,uType,uType2,EType,tType,rateType,P,A,IType,DE}
ODECompositeSolution{T,N,uType,uType2,EType,tType,rateType,P,A,IType,DE}(
sol.u,sol.u_analytic,sol.errors,sol.t,sol.k,sol.prob,
sol.alg,sol.interp,sol.alg_choice,sol.dense,tslocation,
sol.destats,sol.retcode)
end
end

function DiffEqBase.sensitivity_solution(sol::ODECompositeSolution,u,t)
T = eltype(eltype(u))
N = length((size(sol.prob.u0)..., length(u)))
interp = if typeof(sol.interp) <: LinearInterpolation
LinearInterpolation(t,u)
elseif typeof(sol.interp) <: ConstantInterpolation
ConstantInterpolation(t,u)
else
SensitivityInterpolation(t,u)
end

ODECompositeSolution{T,N,typeof(u),typeof(sol.u_analytic),typeof(sol.errors),
typeof(t),Nothing,typeof(sol.prob),typeof(sol.alg),
typeof(interp),typeof(sol.destats)}(
u,sol.u_analytic,sol.errors,t,nothing,sol.prob,
sol.alg,interp,sol.alg_choice,
sol.dense,sol.tslocation,
sol.destats,sol.retcode)
end