mindspore/tests/st/tensor/test_digamma.py

44 lines
1.4 KiB
Python

# Copyright 2022 Huawei Technologies Co., Ltd
#
# 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.
# ============================================================================
import numpy as np
import pytest
import mindspore as ms
import mindspore.nn as nn
class Net(nn.Cell):
def construct(self, x):
return x.digamma()
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.platform_arm_cpu
@pytest.mark.platform_x86_gpu_training
@pytest.mark.env_onecard
@pytest.mark.parametrize('mode', [ms.GRAPH_MODE, ms.PYNATIVE_MODE])
def test_tensor_digamma(mode):
"""
Feature: tensor.digamma
Description: Verify the result of digamma
Expectation: success
"""
ms.set_context(mode=mode)
x = ms.Tensor([-0.5, 0.5, 10, 1.0], ms.float32)
net = Net()
output = net(x)
expect_output = [0.03648978, -1.9635109, 2.2517526, -0.5772159]
assert np.allclose(output.asnumpy(), expect_output)