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[WIP] Add exact EMD-L1 solver for Cartesian grid histograms - #863

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tvercaut:solve_grid_l1

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[WIP] Add exact EMD-L1 solver for Cartesian grid histograms#863
tvercaut wants to merge 10 commits into
PythonOT:masterfrom
tvercaut:solve_grid_l1

Commits on Sep 18, 2026
- [WIP] Add exact EMD-L1 solver for Cartesian grid histograms
  
  tvercaut
  and
  claude
  committed
  1fc45ba
- Fill in PR number in RELEASES.md
  
  tvercaut
  and
  claude
  committed
  b978576
- Merge branch 'master' into solve_grid_l1
  rflamary
  authored
  35eddc2
- Add test coverage for the 1D plan helper's mass-mismatch branch
  
  tvercaut
  and
  claude
  committed
  bab45cc
- Merge remote-tracking branch 'origin/solve_grid_l1' into solve_grid_l1
  tvercaut
  committed
  e26fdb3
Commits on Sep 19, 2026
- Fix arange() silently ignoring type_as for dtype/device across all backends
  
  tvercaut
  and
  claude
  committed
  d83455e
- Add exact gradient support to emd_grid_l1
  
  tvercaut
  and
  claude
  committed
  c35d037
Commits on Sep 20, 2026
- Fix roll_cols doctest crash from arange's now-honored type_as
  
  tvercaut
  and
  claude
  committed
  cb1fbab
Commits on Sep 21, 2026
- Wire exact autodiff support into emd_grid_l1's cost via set_gradients
  
  tvercaut
  and
  claude
  committed
  b888e89
Commits on Oct 13, 2026
- Merge branch 'master' into solve_grid_l1
  rflamary
  authored
  52f9c7f