patrik.gustavsson | eeb8515 | 2020-12-21 17:10:40 +0000 | [diff] [blame] | 1 | # Copyright (C) 2020 Arm Limited or its affiliates. All rights reserved. |
| 2 | # |
| 3 | # SPDX-License-Identifier: Apache-2.0 |
| 4 | # |
| 5 | # Licensed under the Apache License, Version 2.0 (the License); you may |
| 6 | # not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
| 8 | # |
| 9 | # www.apache.org/licenses/LICENSE-2.0 |
| 10 | # |
| 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| 13 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
| 16 | # Description: |
| 17 | # Defines the class Shape4D. |
| 18 | from .numeric_util import full_shape |
| 19 | |
| 20 | |
| 21 | class Shape4D: |
| 22 | """ |
| 23 | 4D Shape (in NHWC format) |
| 24 | """ |
| 25 | |
| 26 | def __init__(self, shape, base=1): |
| 27 | assert shape is not None |
| 28 | assert len(shape) <= 4 |
| 29 | self._shape4D = tuple(full_shape(4, shape, base)) |
| 30 | |
| 31 | def __str__(self): |
| 32 | return f"<Shape4D {self.as_list()}>" |
| 33 | |
| 34 | def __eq__(self, other): |
| 35 | return self._shape4D == other._shape4D |
| 36 | |
| 37 | def clone(self): |
| 38 | return Shape4D(self.as_list()) |
| 39 | |
| 40 | @property |
| 41 | def batch(self): |
| 42 | return self._shape4D[0] |
| 43 | |
| 44 | @property |
| 45 | def height(self): |
| 46 | return self._shape4D[1] |
| 47 | |
| 48 | @property |
| 49 | def width(self): |
| 50 | return self._shape4D[2] |
| 51 | |
| 52 | @property |
| 53 | def depth(self): |
| 54 | return self._shape4D[3] |
| 55 | |
| 56 | @batch.setter |
| 57 | def batch(self, new_batch): |
| 58 | self._shape4D = (new_batch, self._shape4D[1], self._shape4D[2], self._shape4D[3]) |
| 59 | |
| 60 | @height.setter |
| 61 | def height(self, new_height): |
| 62 | self._shape4D = (self._shape4D[0], new_height, self._shape4D[2], self._shape4D[3]) |
| 63 | |
| 64 | @width.setter |
| 65 | def width(self, new_width): |
| 66 | self._shape4D = (self._shape4D[0], self._shape4D[1], new_width, self._shape4D[3]) |
| 67 | |
| 68 | @depth.setter |
| 69 | def depth(self, new_depth): |
| 70 | self._shape4D = (self._shape4D[0], self._shape4D[1], self._shape4D[2], new_depth) |
| 71 | |
| 72 | def get_dim(self, dim): |
| 73 | assert -4 <= dim < 4 |
| 74 | return self._shape4D[dim] |
| 75 | |
| 76 | def as_list(self): |
| 77 | return list(self._shape4D) |