forked from mindspore-Ecosystem/mindspore
44 lines
1.7 KiB
Python
44 lines
1.7 KiB
Python
# Copyright 2020 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.context as context
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from mindspore import Tensor
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import mindspore.ops.operations._grad_ops as P
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context.set_context(mode=context.PYNATIVE_MODE, device_target="GPU")
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np.random.seed(1)
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@pytest.mark.level0
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@pytest.mark.platform_x86_gpu_training
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@pytest.mark.env_onecard
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def test_atangrad_fp32():
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x_np = np.random.rand(4, 2).astype(np.float32) * 10
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dout_np = np.random.rand(4, 2).astype(np.float32) * 10
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output_ms = P.AtanGrad()(Tensor(x_np), Tensor(dout_np))
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output_np = dout_np / (1 + np.square(x_np))
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assert np.allclose(output_ms.asnumpy(), output_np, 1e-4, 1e-4)
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@pytest.mark.level0
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@pytest.mark.platform_x86_gpu_training
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@pytest.mark.env_onecard
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def test_atangrad_fp16():
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x_np = np.random.rand(4, 2).astype(np.float16) * 10
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dout_np = np.random.rand(4, 2).astype(np.float16) * 10
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output_ms = P.AtanGrad()(Tensor(x_np), Tensor(dout_np))
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output_np = dout_np.astype(np.float32) / (1 + np.square(x_np.astype(np.float32)))
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assert np.allclose(output_ms.asnumpy(), output_np.astype(np.float16), 1e-3, 1e-3)
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