Backport PR #12909 on branch maint/1.8 (Fix GDF NumPy >= 2) (#12915)

Co-authored-by: Clemens Brunner <[email protected]>
mne-tools · Oct 23, 2024 · 92cf6f2 · 92cf6f2
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diff --git a/doc/changes/devel/12909.bugfix.rst b/doc/changes/devel/12909.bugfix.rst
@@ -0,0 +1 @@
+Fix bug in :func:`mne.io.read_raw_gdf` when NumPy >= 2 is used, by `Clemens Brunner`_.
diff --git a/mne/io/edf/edf.py b/mne/io/edf/edf.py
@@ -1442,7 +1442,7 @@ def _read_gdf_header(fname, exclude, include=None):
                     ne = np.fromfile(fid, UINT8, 3)
                     n_events = ne[0]
                     for i in range(1, len(ne)):
-                        n_events = n_events + ne[i] * 2 ** (i * 8)
+                        n_events = n_events + int(ne[i]) * 2 ** (i * 8)
                     event_sr = np.fromfile(fid, FLOAT32, 1)[0]
 
                 pos = np.fromfile(fid, UINT32, n_events) - 1  # 1-based inds
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Fix bug in :func:`mne.io.read_raw_gdf` when NumPy >= 2 is used, by `Clemens Brunner`_.