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fix: retain specialization of explicit f in remake #938

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Merged
merged 3 commits into from
Feb 22, 2025
Merged

fix: retain specialization of explicit f in remake #938

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76e1675
fix: retain specialization of explicit `f` in `remake`
AayushSabharwal Feb 20, 2025
108a74a
refactor: format
AayushSabharwal Feb 20, 2025
694e0bb
Merge branch 'master' into as/scimlfn-specialization
ChrisRackauckas Feb 22, 2025
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5 changes: 2 additions & 3 deletions src/problems/problem_utils.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -26,8 +26,8 @@ function Base.summary(io::IO, prob::AbstractDEProblem)
prob.tspan isa Function ?
"Unknown" : (prob.tspan === nothing ?
"Nothing" : typeof(prob.tspan[1])),
no_color,
". In-place: ", type_color, isinplace(prob), no_color)
no_color,
". In-place: ", type_color, isinplace(prob), no_color)
init = initialization_status(prob)
!isnothing(init) && begin
println(io)
Expand Down Expand Up @@ -120,7 +120,6 @@ function Base.show(io::IO, mime::MIME"text/plain", A::AbstractDEProblem)
println(io)
print(io, "u0: ")
show(io, mime, A.u0)

end
function Base.show(io::IO, mime::MIME"text/plain", A::AbstractNoiseProblem)
summary(io, A)
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2 changes: 2 additions & 0 deletions src/remake.jl
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Expand Up @@ -143,6 +143,8 @@ function remake(
T = parameterless_type(func)
f = isdefined(func, :f) ? func.f : func.f1
elseif f isa AbstractSciMLFunction
iip = isinplace(f)
spec = specialization(f)
# if `f` is a SciMLFunction, create that type
T = parameterless_type(f)
# properties of `f` take priority over those in the existing `func`
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8 changes: 8 additions & 0 deletions test/remake_tests.jl
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Expand Up @@ -417,3 +417,11 @@ end
prob2 = remake(prob; u0 = zeros(2))
@test prob2.f.f.jac == fjac!
end

@testset "Issue#925: `remake` retains specialization of explicit `f`" begin
f = ODEFunction{false, SciMLBase.FullSpecialize}((u, p, t) -> u)
prob = ODEProblem(f, nothing, nothing)
@test SciMLBase.specialization(prob.f) == SciMLBase.FullSpecialize
prob2 = remake(ODEProblem((u, p, t) -> 2 .* u, nothing, nothing); f = f)
@test SciMLBase.specialization(prob2.f) == SciMLBase.FullSpecialize
end
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