forked from mindspore-Ecosystem/mindspore
45 lines
1.5 KiB
Python
45 lines
1.5 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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import mindspore.nn as nn
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from mindspore import Tensor
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from mindspore.ops import operations as P
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from mindspore.common import dtype as mstype
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context.set_context(mode=context.GRAPH_MODE, device_target="GPU")
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class NetCholesky(nn.Cell):
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def __init__(self):
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super(NetCholesky, self).__init__()
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self.cholesky = P.Cholesky()
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def construct(self, x):
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return self.cholesky(x)
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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_cholesky_fp32():
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cholesky = NetCholesky()
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x = np.array([[4, 12, -16], [12, 37, -43], [-16, -43, 98]]).astype(np.float32)
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output = cholesky(Tensor(x, dtype=mstype.float32))
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expect = np.linalg.cholesky(x)
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tol = 1e-6
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assert (np.abs(output.asnumpy() - expect) < tol).all()
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