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small bug fix #271

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Merged
JoOkuma merged 3 commits into from
Mar 24, 2026
Merged

small bug fix #271

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efc9f22
small bug fix
ThibautGoldsborough Mar 24, 2026
384fa89
Update _ctc_metrics.py
ThibautGoldsborough Mar 24, 2026
23aadb2
Update _ctc_metrics.py
ThibautGoldsborough Mar 24, 2026
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3 changes: 2 additions & 1 deletion src/tracksdata/metrics/_ctc_metrics.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,10 +24,11 @@ def _fill_empty(weights: sp.csr_array, fill_value: float) -> None:
Fill empty rows and columns of a sparse matrix with a small value.
"""
empty_rows = weights.sum(axis=1) == 0
empty_cols = weights.sum(axis=0) == 0 # find the empty rows before applying the fill_value

if empty_rows.any():
weights[empty_rows, :] = fill_value

empty_cols = weights.sum(axis=0) == 0
if empty_cols.any():
weights[:, empty_cols] = fill_value

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