| # Copyright 2024 MIT Han Lab | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| # | |
| # SPDX-License-Identifier: Apache-2.0 | |
| def val2list(x: list or tuple or any, repeat_time=1) -> list: # type: ignore | |
| """Repeat `val` for `repeat_time` times and return the list or val if list/tuple.""" | |
| if isinstance(x, (list, tuple)): | |
| return list(x) | |
| return [x for _ in range(repeat_time)] | |
| def val2tuple(x: list or tuple or any, min_len: int = 1, idx_repeat: int = -1) -> tuple: # type: ignore | |
| """Return tuple with min_len by repeating element at idx_repeat.""" | |
| # convert to list first | |
| x = val2list(x) | |
| # repeat elements if necessary | |
| if len(x) > 0: | |
| x[idx_repeat:idx_repeat] = [x[idx_repeat] for _ in range(min_len - len(x))] | |
| return tuple(x) | |
| def get_same_padding(kernel_size: int or tuple[int, ...]) -> int or tuple[int, ...]: | |
| if isinstance(kernel_size, tuple): | |
| return tuple([get_same_padding(ks) for ks in kernel_size]) | |
| else: | |
| assert kernel_size % 2 > 0, f"kernel size {kernel_size} should be odd number" | |
| return kernel_size // 2 | |