Presolve v1 candidate

[codecov[bot]]

Codecov Report

Attention: 37 lines in your changes are missing coverage. Please review.

Comparison is base (064794f) 83.04% compared to head (9c44c75) 71.10%.

:exclamation: Current head 9c44c75 differs from pull request most recent head 9b9ec92. Consider uploading reports for the commit 9b9ec92 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1102 +/- ## =========================================== - Coverage 83.04% 71.10% -11.94% =========================================== Files 89 89 Lines 7436 7427 -9 =========================================== - Hits 6175 5281 -894 - Misses 1261 2146 +885 ``` | [Files](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima) | Coverage Δ | | |---|---|---| | [src/Algorithm/basic/solveipform.jl](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima#diff-c3JjL0FsZ29yaXRobS9iYXNpYy9zb2x2ZWlwZm9ybS5qbA==) | `85.18% <100.00%> (+0.13%)` | :arrow_up: | | [src/Algorithm/basic/solvelpform.jl](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima#diff-c3JjL0FsZ29yaXRobS9iYXNpYy9zb2x2ZWxwZm9ybS5qbA==) | `88.63% <100.00%> (-2.07%)` | :arrow_down: | | [src/Algorithm/colgen.jl](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima#diff-c3JjL0FsZ29yaXRobS9jb2xnZW4uamw=) | `83.60% <100.00%> (+0.27%)` | :arrow_up: | | [src/MathProg/formulation.jl](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima#diff-c3JjL01hdGhQcm9nL2Zvcm11bGF0aW9uLmps) | `83.33% <100.00%> (+3.54%)` | :arrow_up: | | [src/Algorithm/benders.jl](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima#diff-c3JjL0FsZ29yaXRobS9iZW5kZXJzLmps) | `0.00% <0.00%> (-3.45%)` | :arrow_down: | | [src/Algorithm/formstorages.jl](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima#diff-c3JjL0FsZ29yaXRobS9mb3Jtc3RvcmFnZXMuamw=) | `91.89% <97.29%> (-0.09%)` | :arrow_down: | | [src/Algorithm/presolve/propagation.jl](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima#diff-c3JjL0FsZ29yaXRobS9wcmVzb2x2ZS9wcm9wYWdhdGlvbi5qbA==) | `63.82% <85.71%> (-18.63%)` | :arrow_down: | | [src/Algorithm/presolve/helpers.jl](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima#diff-c3JjL0FsZ29yaXRobS9wcmVzb2x2ZS9oZWxwZXJzLmps) | `85.18% <66.66%> (-12.43%)` | :arrow_down: | | [src/MathProg/varconstr.jl](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima#diff-c3JjL01hdGhQcm9nL3ZhcmNvbnN0ci5qbA==) | `62.31% <50.00%> (-20.46%)` | :arrow_down: | | [src/Algorithm/presolve/interface.jl](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima#diff-c3JjL0FsZ29yaXRobS9wcmVzb2x2ZS9pbnRlcmZhY2Uuamw=) | `79.79% <73.91%> (-8.14%)` | :arrow_down: | ... and [38 files with indirect coverage changes](https://app.codecov.io/gh/atoptima/Coluna.jl/pull/1102/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=atoptima)

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