Optimize interface a python basic#843

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dmitry-kabanov wants to merge 48 commits intoMaRDI4NFDI:mainfrom

dmitry-kabanov:optimize-interface-a-python-basic

Commits on Jan 6, 2026

Add preliminary work on optimization interface with Python implementation via Scipy
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Add WIP on optimization interface from Python
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[docs] Add technote on development of optimization interface
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Add notes on optimization interfaces in JuMP and Scipy Optimize
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[docs] Add missing files for version bump to technote
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Try to build minimal example for nonlinear optimization
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[misc] Update clang-tidy config to avoid warnings about Python C API usage
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WIP to have return types
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Expand call_impl interface to include return arguments
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[python, bridge] Accept return value and check that the number of expected arguments matches
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[python, converter] Pass return_args argument as a pointer as it will be modified
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[python, converter] Work on reading return_args and freeing them after use
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[python, bridge] Correct convert Python string object to C null-terminated string
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[python, converter] Work on convert return values to proper Python variables
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[python, bridge] Fix memory leak when converting Python string to C string
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[python] Correctly convert return Python objects to C intermediate representation
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[python, converter] Correctly convert C intermediate return args to Python objects
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[python, converter] Rename core.py -> converter.py to match used terminology
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[python] Rename converter back to core
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[scipy_optimize] Return arguments from `minimize` function
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[tests, python] Update tests for `optim` interface
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[python, optim] Implement `set_user_data` method
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[python, Optim] Clean code - docstrings, redundant code
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[tests, python] Add test for `optim::set_user_data` function
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[python] Implement method `optim::set_method` in `scipy_optimize`
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[python] Add method `optim::set_method` to the Optim gateway
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[docs] Update documentation
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[python, tests] Add tests for optimization results getting better with stricter tolerances
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[examples] Add initial example for optimization in Python
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[python, misc] Fix wrong constant name
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[python, bridge] Allocate memory for a return integer only if all checks have passed
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[python, scipy_optimize] Use correct variable `method_name` instead of `method` and set default values
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[python] Use correct data type identifiers
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[python, tests] Correct the test for optimization result improving with tighter tolerances
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Commits on Jan 7, 2026

[python, optim::set_method] Check that passed method parameters are accepted
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Commits on Jan 13, 2026

[Julia, Converter] Handle situation when no return args are passed for backward compatibility
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Commits on Jan 14, 2026