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Error when integrating with cache_parameters = true #390

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SouthEndMusic opened this issue Feb 6, 2025 · 1 comment · Fixed by #391
Closed

Error when integrating with cache_parameters = true #390

SouthEndMusic opened this issue Feb 6, 2025 · 1 comment · Fixed by #391
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@SouthEndMusic
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Describe the bug 🐞

When integrating it seems any interpolation type which was defined with cache_parameters = true, in some cases the computation fails with an attempt to evaluate the cached integral vector at index 0.

Expected behavior

Integration without error 😋

Minimal Reproducible Example 👇

using DataInterpolations

A = LinearInterpolation([1.0, 2.0], [1.0, 2.0]; cache_parameters=true, extrapolation=ExtrapolationType.Extension)
DataInterpolations.integral(A, 0, 1.5)

Error & Stacktrace ⚠️

oundsError: attempt to access 1-element Vector{Float64} at index [0]
Stacktrace:
 [1] getindex
   @ .\essentials.jl:13 [inlined]
 [2] integral(A::LinearInterpolation{Vector{…}, Vector{…}, Vector{…}, Vector{…}, Float64, (1,)}, t1::Int64, t2::Float64)
   @ DataInterpolations c:\Users\konin_bt\Repositories\SciML\DataInterpolations.jl\src\integrals.jl:55
@SouthEndMusic SouthEndMusic added the bug Something isn't working label Feb 6, 2025
@SouthEndMusic SouthEndMusic mentioned this issue Feb 6, 2025
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@SouthEndMusic
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So it occurs when idx2 = 1 which means that no complete interval between data points is in the integration interval

@SouthEndMusic SouthEndMusic mentioned this issue Feb 6, 2025
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Fix integrating with cache_parameters = true SouthEndMusic/DataInterpolations.jl
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@SouthEndMusic