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Add ipopt method for AbstractNLSModel#132

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tmigot merged 24 commits intoJuliaSmoothOptimizers:mainfrom
arnavk23:add-abstractnlsmodel-support
Jul 27, 2025
Merged

Add ipopt method for AbstractNLSModel#132
tmigot merged 24 commits intoJuliaSmoothOptimizers:mainfrom
arnavk23:add-abstractnlsmodel-support

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@arnavk23 arnavk23 commented Jul 12, 2025 •
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  • Implement ipopt(nls::AbstractNLSModel)
  • Add FeasibilityFormNLS function to convert NLS models for optimization
  • Add comprehensive tests for AbstractNLSModel support
  • Export FeasibilityFormNLS function for user access
  • Using the option print_timing_statistics="yes", Ipopt returns detailed time statistics in the output file that we could parse.

Closes #131

@arnavk23
Add ipopt method for AbstractNLSModel
eacdece 
- Implement ipopt(nls::AbstractNLSModel) as requested in issue JuliaSmoothOptimizers#131
- Add FeasibilityFormNLS function to convert NLS models for optimization
- Add comprehensive tests for AbstractNLSModel support
- Export FeasibilityFormNLS function for user access

Resolves JuliaSmoothOptimizers#131
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Thanks @arnavk23 for the PR! I made a first round of comments.

@arnavk23
Use FeasibilityFormNLS from NLPModelsModifiers.jl
b5eb23e 
- Remove local FeasibilityFormNLS implementation
- Import FeasibilityFormNLS from NLPModelsModifiers package
- Update tests to work with the external implementation
- Add NLPModelsModifiers to dependencies
@arnavk23 arnavk23 force-pushed the add-abstractnlsmodel-support branch from 1d0fae7 to b5eb23e Compare July 15, 2025 03:53
@arnavk23 arnavk23 requested a review from tmigot July 15, 2025 03:54
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arnavk23 and others added 2 commits July 22, 2025 19:43
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Update test/runtests.jl
41da9f1 
Co-authored-by: Tangi Migot <tangi.migot@gmail.com>
@arnavk23 @tmigot
Update src/NLPModelsIpopt.jl
a785a79 
Co-authored-by: Tangi Migot <tangi.migot@gmail.com>
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arnavk23 and others added 2 commits July 23, 2025 01:15
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Update src/NLPModelsIpopt.jl
7069aa2 
Co-authored-by: Dominique <dominique.orban@gmail.com>
@arnavk23
Make tests robust to solver variations, fix syntax errors, and ensure…
0655c98 
… all tests pass
@arnavk23 arnavk23 requested review from dpo and tmigot July 22, 2025 20:37
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@arnavk23 arnavk23 requested a review from dpo July 23, 2025 15:20
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arnavk23 and others added 4 commits July 24, 2025 16:17
@arnavk23 @dpo
Update src/NLPModelsIpopt.jl
c34662c 
Co-authored-by: Dominique <dominique.orban@gmail.com>
@arnavk23 @dpo
Update src/NLPModelsIpopt.jl
e21c3f5 
Co-authored-by: Dominique <dominique.orban@gmail.com>
@arnavk23 @dpo
Update src/NLPModelsIpopt.jl
4669e2c 
Co-authored-by: Dominique <dominique.orban@gmail.com>
@arnavk23 @dpo
Update src/NLPModelsIpopt.jl
884bc1b 
Co-authored-by: Dominique <dominique.orban@gmail.com>
@arnavk23 arnavk23 requested a review from dpo July 24, 2025 11:02
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Thanks for the hard work @arnavk23 ! I made some more comments :).

arnavk23 and others added 3 commits July 24, 2025 17:05
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Update Project.toml
cbe657e 
Co-authored-by: Tangi Migot <tangi.migot@gmail.com>
@arnavk23 @tmigot
Update test/runtests.jl
1d74feb 
Co-authored-by: Tangi Migot <tangi.migot@gmail.com>
@arnavk23
changes
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@arnavk23 arnavk23 requested a review from tmigot July 24, 2025 12:09
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arnavk23 commented Jul 25, 2025 •
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@tmigot Passing all now. I think this can be merged now.

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Thanks @arnavk23 ! I made a final batch of comments and then it will be good to go

@arnavk23 arnavk23 force-pushed the add-abstractnlsmodel-support branch from fe03af9 to 23c0785 Compare July 27, 2025 15:22
@arnavk23 arnavk23 requested a review from tmigot July 27, 2025 15:23
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Many thanks @arnavk23 !

tmigot
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arnavk23 and others added 5 commits July 27, 2025 21:22
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Update Project.toml
4dffddf 
Co-authored-by: Tangi Migot <tangi.migot@gmail.com>
@arnavk23 @tmigot
Update test/runtests.jl
d5be2b2 
Co-authored-by: Tangi Migot <tangi.migot@gmail.com>
@arnavk23 @tmigot
Update test/runtests.jl
a00bea3 
Co-authored-by: Tangi Migot <tangi.migot@gmail.com>
@arnavk23 @tmigot
Update test/runtests.jl
c1377ca 
Co-authored-by: Tangi Migot <tangi.migot@gmail.com>
@arnavk23 @tmigot
Update test/runtests.jl
e668fec 
Co-authored-by: Tangi Migot <tangi.migot@gmail.com>
@arnavk23 arnavk23 requested a review from tmigot July 27, 2025 15:53
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Thanks !

@tmigot tmigot merged commit fb4953f into JuliaSmoothOptimizers:main Jul 27, 2025
12 of 14 checks passed
@arnavk23 arnavk23 deleted the add-abstractnlsmodel-support branch July 27, 2025 16:12
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Define ipopt(AbstractNLSModel)

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