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mne/simulation/_metrics.py

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+# Authors: The MNE-Python contributors.
+# License: BSD-3-Clause
+# Copyright the MNE-Python contributors.
+
+import numpy as np
+
+
+def _check_stc(stc1, stc2):
+    """Check that stcs are compatible."""
+    if stc1.data.shape != stc2.data.shape:
+        raise ValueError("Data in stcs must have the same size")
+    if np.all(stc1.times != stc2.times):
+        raise ValueError("Times of two stcs must match.")