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Fix type instability #989

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Fix type instability #989

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a252d31
Fix type instability
hersle Apr 13, 2025
2d49e1f
Test issue #985
hersle Apr 13, 2025
ff16619
Format
hersle Apr 13, 2025
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2 changes: 1 addition & 1 deletion src/remake.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -229,7 +229,7 @@ function remake(prob::ODEProblem; f = missing,

iip = isinplace(prob)

if build_initializeprob == Val{true} || build_initializeprob == true
if build_initializeprob isa Val{true} || build_initializeprob == true
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@AayushSabharwal AayushSabharwal Apr 13, 2025

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build_initializeprob defaults to Val{true} and Val{true} isa Val{true} == false so this won't run?

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@hersle hersle Apr 13, 2025

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You're right ... 🤦

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@ChrisRackauckas ChrisRackauckas Apr 13, 2025

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The other way to do it is build_initializeprob === Val{true}

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@hersle hersle Apr 13, 2025

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Doesn't help. Looks like the problem is inside the if, within remake_initialization_data::Any. I effectively just made it if false so it never ran.

if f !== missing && has_initialization_data(f)
initialization_data = remake_initialization_data(
prob.f.sys, f, u0, tspan[1], p, newu0, newp)
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7 changes: 7 additions & 0 deletions test/downstream/solution_interface.jl
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Expand Up @@ -349,3 +349,10 @@ end
sol = solve(prob)
@test sol(0.6, idxs = y) ≈ 2.0
end

@testset "Type stability of MTK workflow" begin
@variables x(t)
@mtkbuild sys = ODESystem([D(x) ~ 0.0], t; defaults = [x => 0.0])
prob = ODEProblem(sys, [], (0.0, 1.0))
@test_nowarn @inferred solve(prob, Tsit5())
end
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