!12384 Add Sin, Cos, Tan, Atan, AtanGrad for CPU
From: @wangrao124 Reviewed-by: @wuxuejian,@kisnwang Signed-off-by: @wuxuejianpull/12384/MERGE
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# Copyright 2021 Huawei Technologies Co., Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ============================================================================
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import numpy as np
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import pytest
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import mindspore.nn as nn
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from mindspore import Tensor
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from mindspore import context
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from mindspore.ops.operations import _grad_ops as G
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context.set_context(mode=context.GRAPH_MODE, device_target="CPU")
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class NetAtanGrad(nn.Cell):
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def __init__(self):
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super(NetAtanGrad, self).__init__()
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self.atanGrad = G.AtanGrad()
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def construct(self, x, dy):
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return self.atanGrad(x, dy)
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@pytest.mark.level0
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@pytest.mark.platform_x86_cpu
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@pytest.mark.env_onecard
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def test_atan_grad():
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x = np.array([-0.5, 0, 0.5]).astype('float32')
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dy = np.array([1, 0, -1]).astype('float32')
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atan_grad = NetAtanGrad()
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output = atan_grad(Tensor(x), Tensor(dy))
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print(output)
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expect = dy / (1 + x * x)
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assert np.allclose(output.asnumpy(), expect)
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# Copyright 2021 Huawei Technologies Co., Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ============================================================================
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import numpy as np
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import pytest
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import mindspore.nn as nn
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from mindspore import Tensor
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from mindspore import context
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from mindspore.ops import operations as P
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context.set_context(mode=context.GRAPH_MODE, device_target="CPU")
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class NetAtan(nn.Cell):
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def __init__(self):
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super(NetAtan, self).__init__()
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self.atan = P.Atan()
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def construct(self, x):
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return self.atan(x)
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@pytest.mark.level0
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@pytest.mark.platform_x86_cpu
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@pytest.mark.env_onecard
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def test_atan():
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np_array = np.array([-1, -0.5, 0, 0.5, 1]).astype('float32')
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input_x = Tensor(np_array)
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net = NetAtan()
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output = net(input_x)
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print(output)
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expect = np.arctan(np_array)
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assert np.allclose(output.asnumpy(), expect)
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# Copyright 2021 Huawei Technologies Co., Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ============================================================================
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import numpy as np
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import pytest
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import mindspore.nn as nn
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from mindspore import Tensor
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from mindspore import context
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from mindspore.ops import operations as P
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context.set_context(mode=context.GRAPH_MODE, device_target="CPU")
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class NetCos(nn.Cell):
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def __init__(self):
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super(NetCos, self).__init__()
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self.cos = P.Cos()
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def construct(self, x):
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return self.cos(x)
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@pytest.mark.level0
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@pytest.mark.platform_x86_cpu
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@pytest.mark.env_onecard
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def test_cos():
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np_array = np.array([-1, -0.5, 0, 0.5, 1]).astype('float32')
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input_x = Tensor(np_array)
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net = NetCos()
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output = net(input_x)
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print(output)
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expect = np.cos(np_array)
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assert np.allclose(output.asnumpy(), expect)
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# Copyright 2021 Huawei Technologies Co., Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ============================================================================
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import numpy as np
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import pytest
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import mindspore.nn as nn
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from mindspore import Tensor
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from mindspore import context
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from mindspore.ops import operations as P
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context.set_context(mode=context.GRAPH_MODE, device_target="CPU")
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class NetSin(nn.Cell):
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def __init__(self):
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super(NetSin, self).__init__()
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self.sin = P.Sin()
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def construct(self, x):
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return self.sin(x)
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@pytest.mark.level0
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@pytest.mark.platform_x86_cpu
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@pytest.mark.env_onecard
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def test_sin():
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np_array = np.array([-1, -0.5, 0, 0.5, 1]).astype('float32')
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input_x = Tensor(np_array)
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net = NetSin()
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output = net(input_x)
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print(output)
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expect = np.sin(np_array)
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assert np.allclose(output.asnumpy(), expect)
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# Copyright 2021 Huawei Technologies Co., Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ============================================================================
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import numpy as np
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import pytest
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import mindspore.nn as nn
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from mindspore import Tensor
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from mindspore import context
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from mindspore.ops import operations as P
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context.set_context(mode=context.GRAPH_MODE, device_target="CPU")
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class NetTan(nn.Cell):
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def __init__(self):
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super(NetTan, self).__init__()
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self.tan = P.Tan()
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def construct(self, x):
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return self.tan(x)
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@pytest.mark.level0
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@pytest.mark.platform_x86_cpu
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@pytest.mark.env_onecard
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def test_tan():
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np_array = np.array([-1, -0.5, 0, 0.5, 1]).astype('float32')
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input_x = Tensor(np_array)
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net = NetTan()
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output = net(input_x)
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print(output)
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expect = np.tan(np_array)
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assert np.allclose(output.asnumpy(), expect)
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