180 lines
6.1 KiB
Python
180 lines
6.1 KiB
Python
# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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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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import unittest
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import numpy as np
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from op_test import get_device_place
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import paddle
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np.random.seed(10)
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class TestNanmeanAPI(unittest.TestCase):
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# test paddle.tensor.math.nanmean
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def setUp(self):
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self.x_shape = [2, 3, 4, 5]
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self.x = np.random.uniform(-1, 1, self.x_shape).astype(np.float32)
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self.x[0, :, :, :] = np.nan
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self.x_grad = np.array(
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[[np.nan, np.nan, 3.0], [0.0, np.nan, 2.0]]
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).astype(np.float32)
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self.place = get_device_place()
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def test_api_static(self):
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paddle.enable_static()
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with paddle.static.program_guard(paddle.static.Program()):
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x = paddle.static.data('X', self.x_shape)
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out1 = paddle.nanmean(x)
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out2 = paddle.tensor.nanmean(x)
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out3 = paddle.tensor.math.nanmean(x)
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axis = np.arange(len(self.x_shape)).tolist()
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out4 = paddle.nanmean(x, axis)
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out5 = paddle.nanmean(x, tuple(axis))
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exe = paddle.static.Executor(self.place)
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res = exe.run(
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feed={'X': self.x}, fetch_list=[out1, out2, out3, out4, out5]
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)
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out_ref = np.nanmean(self.x)
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for out in res:
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np.testing.assert_allclose(out, out_ref, rtol=0.0001)
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def test_api_dygraph(self):
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paddle.disable_static(self.place)
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def test_case(x, axis=None, keepdim=False):
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x_tensor = paddle.to_tensor(x)
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out = paddle.nanmean(x_tensor, axis, keepdim)
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if isinstance(axis, list):
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axis = tuple(axis)
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if len(axis) == 0:
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axis = None
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out_ref = np.nanmean(x, axis, keepdims=keepdim)
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if np.isnan(out_ref).sum():
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nan_mask = np.isnan(out_ref)
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out_ref[nan_mask] = 0
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out_np = out.numpy()
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out_np[nan_mask] = 0
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np.testing.assert_allclose(out_np, out_ref, rtol=0.0001)
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else:
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np.testing.assert_allclose(out.numpy(), out_ref, rtol=0.0001)
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test_case(self.x)
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test_case(self.x, [])
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test_case(self.x, -1)
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test_case(self.x, keepdim=True)
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test_case(self.x, 2, keepdim=True)
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test_case(self.x, [0, 2])
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test_case(self.x, (0, 2))
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test_case(self.x, [0, 1, 2, 3])
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paddle.enable_static()
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def test_errors(self):
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paddle.enable_static()
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with paddle.static.program_guard(paddle.static.Program()):
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x = paddle.static.data('X', [10, 12], 'int32')
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self.assertRaises(TypeError, paddle.nanmean, x)
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def test_api_dygraph_grad(self):
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paddle.disable_static(self.place)
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def test_case(x, axis=None, keepdim=False):
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if isinstance(axis, list):
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axis = list(axis)
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if len(axis) == 0:
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axis = None
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x_tensor = paddle.to_tensor(x, stop_gradient=False)
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y = paddle.nanmean(x_tensor, axis, keepdim)
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dx = paddle.grad(y, x_tensor)[0].numpy()
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sum_dx_ref = np.prod(y.shape)
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if np.isnan(y.numpy()).sum():
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sum_dx_ref -= np.isnan(y.numpy()).sum()
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cnt = paddle.sum(
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~paddle.isnan(x_tensor), axis=axis, keepdim=keepdim
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)
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if (cnt == 0).sum():
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dx[np.isnan(dx)] = 0
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sum_dx = dx.sum()
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np.testing.assert_allclose(sum_dx, sum_dx_ref, rtol=0.0001)
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test_case(self.x)
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test_case(self.x, [])
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test_case(self.x, -1)
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test_case(self.x, keepdim=True)
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test_case(self.x, 2, keepdim=True)
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test_case(self.x, [0, 2])
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test_case(self.x, (0, 2))
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test_case(self.x, [0, 1, 2, 3])
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test_case(self.x_grad)
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test_case(self.x_grad, [])
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test_case(self.x_grad, -1)
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test_case(self.x_grad, keepdim=True)
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test_case(self.x_grad, 0, keepdim=True)
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test_case(self.x_grad, 1)
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test_case(self.x_grad, (0, 1))
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paddle.enable_static()
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class TestNanmeanAPI_ZeroSize(unittest.TestCase):
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# test paddle.tensor.math.nanmean
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def setUp(self):
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self.x_shape = [2, 0, 4, 5]
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self.x = np.random.uniform(-1, 1, self.x_shape).astype(np.float32)
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self.x[0, :, :, :] = np.nan
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self.place = get_device_place()
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def test_api_dygraph(self):
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paddle.disable_static(self.place)
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def test_case(x, axis=None, keepdim=False):
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x_tensor = paddle.to_tensor(x)
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out = paddle.nanmean(x_tensor, axis, keepdim)
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if isinstance(axis, list):
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axis = tuple(axis)
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if len(axis) == 0:
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axis = None
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out_ref = np.nanmean(x, axis, keepdims=keepdim)
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np.testing.assert_allclose(out.numpy(), out_ref, rtol=0.0001)
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test_case(self.x)
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paddle.enable_static()
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def test_api_dygraph_grad(self):
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paddle.disable_static(self.place)
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def test_case(x, axis=None, keepdim=False):
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if isinstance(axis, list):
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axis = list(axis)
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if len(axis) == 0:
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axis = None
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x_tensor = paddle.to_tensor(x, stop_gradient=False)
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x_tensor.stop_gradient = False
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y = paddle.nanmean(x_tensor, axis, keepdim)
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loss = paddle.sum(y)
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loss.backward()
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np.testing.assert_allclose(x_tensor.grad.shape, x_tensor.shape)
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test_case(self.x)
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paddle.enable_static()
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if __name__ == "__main__":
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unittest.main()
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