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Update functional.py #6

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Update functional.py #6

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3 changes: 2 additions & 1 deletion pietorch/functional.py
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,8 @@ def blend(target: Tensor, source: Tensor, mask: Tensor, corner_coord: Tensor, mi
else:
assert green_function.shape[d] == 1, f'Green function should have size 1 in non-chosen dimension ' \
f'{d}: has {green_function.shape[d]}.'

if laplacian.device != green_function.device:
green_function = green_function.to(laplacian.device)
# Apply green function convolution
init_blended = torch.fft.ifftn(torch.fft.fftn(laplacian, dim=chosen_dimensions) * green_function,
dim=chosen_dimensions)
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