mindspore/tests/st/ops/cpu/test_cosh_op.py

47 lines
1.4 KiB
Python

# Copyright 2021 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.nn as nn
from mindspore import Tensor
from mindspore import context
from mindspore.ops import operations as P
context.set_context(mode=context.GRAPH_MODE, device_target="CPU")
class NetCosh(nn.Cell):
def __init__(self):
super(NetCosh, self).__init__()
self.cosh = P.Cosh()
def construct(self, x):
return self.cosh(x)
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.env_onecard
def test_cosh():
np_array = np.array([-1, -0.5, 0, 0.5, 1]).astype('float32')
input_x = Tensor(np_array)
net = NetCosh()
output = net(input_x)
print(output)
expect = np.cosh(np_array)
assert np.allclose(output.asnumpy(), expect)