| # Copyright (C) 2020 Arm Limited or its affiliates. All rights reserved. |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| # 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 |
| # |
| # 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. |
| # Description: |
| # Contains unit tests for npu_encode_bias API for an external consumer |
| import random |
| |
| import numpy as np |
| |
| from ethosu.vela.api import npu_encode_bias |
| |
| |
| def test_encode_bias(): |
| bias_lower_limit = -(1 << (40 - 1)) |
| bias_upper_limit = (1 << (40 - 1)) - 1 |
| scale_lower_limit = 0 |
| scale_upper_limit = (1 << 32) - 1 |
| shift_lower_limit = 0 |
| shift_upper_limit = (1 << 6) - 1 |
| |
| for _ in range(30): |
| bias = np.int64(random.randint(bias_lower_limit, bias_upper_limit)) |
| scale = int(random.randint(scale_lower_limit, scale_upper_limit)) |
| shift = int(random.randint(shift_lower_limit, shift_upper_limit)) |
| biases_enc = npu_encode_bias(bias, scale, shift) |
| assert isinstance(biases_enc, bytearray) |
| assert len(biases_enc) == 10 |