pytorch/functorch/dim/tree_map.py
Nikita Shulga d05a11337c [CMake] Add functorch target (#83464)
Move functorch/functorch into `functorch` folder
- Add functorch/CMakeLists.txt that adds `functorch` native python exension
- Modify `setup.py` to package pytorch and functorch together into a single wheel
- Modify `functorch.__version__` is not equal to that of `torch.__version__`
- Add dummy `functorch/setup.py` file for the projects that still want to build it

Differential Revision: [D39058811](https://our.internmc.facebook.com/intern/diff/D39058811)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/83464
Approved by: https://github.com/zou3519
2022-09-14 00:05:33 +00:00

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Python

# Copyright (c) Facebook, Inc. and its affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
from functorch._C import dim
tree_flatten = dim.tree_flatten
def tree_map(fn, tree):
vs, unflatten = tree_flatten(tree)
return unflatten(fn(v) for v in vs)