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Diffstat (limited to 'numpy/lib/stride_tricks.py')
| -rw-r--r-- | numpy/lib/stride_tricks.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/numpy/lib/stride_tricks.py b/numpy/lib/stride_tricks.py index c05d56e2f..416776ff4 100644 --- a/numpy/lib/stride_tricks.py +++ b/numpy/lib/stride_tricks.py @@ -126,6 +126,10 @@ def _broadcast_shape(*args): b = np.broadcast(*args[:32]) # unfortunately, it cannot handle 32 or more arguments directly for pos in range(32, len(args), 31): + # ironically, np.broadcast does not properly handle np.broadcast + # objects (it treats them as scalars) + # use broadcasting to avoid allocating the full array + b = broadcast_to(0, b.shape) b = np.broadcast(b, *args[pos:(pos + 31)]) return b.shape |