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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
#
# 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 copy
import unittest
import numpy as np
from op_test import get_device_place, is_custom_device
import paddle
paddle.enable_static()
np.random.seed(10)
paddle.seed(10)
class TestNormalAPI(unittest.TestCase):
def setUp(self):
self.mean = 1.0
self.std = 0.0
self.shape = None
self.repeat_num = 2000
self.set_attrs()
self.dtype = self.get_dtype()
self.place = (
get_device_place()
if (
(paddle.base.core.is_compiled_with_cuda() or is_custom_device())
or is_custom_device()
)
else paddle.CPUPlace()
)
def set_attrs(self):
self.shape = [8, 12]
def get_shape(self):
if isinstance(self.mean, np.ndarray):
shape = self.mean.shape
elif isinstance(self.std, np.ndarray):
shape = self.std.shape
else:
shape = self.shape
return list(shape)
def get_dtype(self):
if isinstance(self.mean, np.ndarray):
return self.mean.dtype
elif isinstance(self.std, np.ndarray):
return self.std.dtype
else:
return 'float32'
def static_api(self):
paddle.enable_static()
shape = self.get_shape()
ret_all_shape = copy.deepcopy(shape)
ret_all_shape.insert(0, self.repeat_num)
ret_all = np.zeros(ret_all_shape, self.dtype)
main_program = paddle.static.Program()
with paddle.static.program_guard(main_program):
if isinstance(self.mean, np.ndarray) and isinstance(
self.std, np.ndarray
):
mean = paddle.static.data(
'Mean', self.mean.shape, self.mean.dtype
)
std = paddle.static.data('Std', self.std.shape, self.std.dtype)
out = paddle.normal(mean, std, self.shape)
exe = paddle.static.Executor(self.place)
for i in range(self.repeat_num):
ret = exe.run(
feed={
'Mean': self.mean,
'Std': self.std.reshape(shape),
},
fetch_list=[out],
)
ret_all[i] = ret[0]
elif isinstance(self.mean, np.ndarray):
mean = paddle.static.data(
'Mean', self.mean.shape, self.mean.dtype
)
out = paddle.normal(mean, self.std, self.shape)
exe = paddle.static.Executor(self.place)
for i in range(self.repeat_num):
ret = exe.run(feed={'Mean': self.mean}, fetch_list=[out])
ret_all[i] = ret[0]
elif isinstance(self.std, np.ndarray):
std = paddle.static.data('Std', self.std.shape, self.std.dtype)
out = paddle.normal(self.mean, std, self.shape)
exe = paddle.static.Executor(self.place)
for i in range(self.repeat_num):
ret = exe.run(feed={'Std': self.std}, fetch_list=[out])
ret_all[i] = ret[0]
else:
out = paddle.normal(self.mean, self.std, self.shape)
exe = paddle.static.Executor(self.place)
for i in range(self.repeat_num):
ret = exe.run(fetch_list=[out])
ret_all[i] = ret[0]
paddle.disable_static()
return ret_all
def dygraph_api(self):
paddle.disable_static(self.place)
shape = self.get_shape()
ret_all_shape = copy.deepcopy(shape)
ret_all_shape.insert(0, self.repeat_num)
ret_all = np.zeros(ret_all_shape, self.dtype)
mean = (
paddle.to_tensor(self.mean)
if isinstance(self.mean, np.ndarray)
else self.mean
)
std = (
paddle.to_tensor(self.std)
if isinstance(self.std, np.ndarray)
else self.std
)
for i in range(self.repeat_num):
out = paddle.normal(mean, std, self.shape)
ret_all[i] = out.numpy()
paddle.enable_static()
return ret_all
def test_api(self):
ret_static = self.static_api()
ret_dygraph = self.dygraph_api()
for ret in [ret_static, ret_dygraph]:
shape_ref = self.get_shape()
self.assertEqual(shape_ref, list(ret[0].shape))
ret = ret.flatten().reshape([self.repeat_num, -1])
mean = np.mean(ret, axis=0)
std = np.std(ret, axis=0)
mean_ref = (
self.mean.flatten()
if isinstance(self.mean, np.ndarray)
else self.mean
)
std_ref = (
self.std.flatten()
if isinstance(self.std, np.ndarray)
else self.std
)
np.testing.assert_allclose(mean_ref, mean, rtol=0.2, atol=0.2)
np.testing.assert_allclose(std_ref, std, rtol=0.2, atol=0.2)
class TestNormalAPI_mean_is_tensor(TestNormalAPI):
def set_attrs(self):
self.mean = np.random.uniform(-2, -1, [2, 3, 4, 5]).astype('float64')
class TestNormalAPI_std_is_tensor(TestNormalAPI):
def set_attrs(self):
self.std = np.random.uniform(0.7, 1, [2, 3, 17]).astype('float64')
class TestNormalAPI_mean_std_are_tensor(TestNormalAPI):
def set_attrs(self):
self.mean = np.random.uniform(1, 2, [1, 100]).astype('float64')
self.std = np.random.uniform(0.5, 1, [1, 100]).astype('float64')
class TestNormalAPI_mean_std_are_tensor_with_different_dtype(TestNormalAPI):
def set_attrs(self):
self.mean = np.random.uniform(1, 2, [100]).astype('float64')
self.std = np.random.uniform(1, 2, [100]).astype('float32')
class TestNormalAlias(unittest.TestCase):
def test_alias(self):
paddle.disable_static()
shape = [1, 2, 3]
out1 = paddle.normal(shape=shape)
out2 = paddle.tensor.normal(shape=shape)
out3 = paddle.tensor.random.normal(shape=shape)
paddle.enable_static()
class TestNormalErrors(unittest.TestCase):
def test_errors(self):
main_program = paddle.static.Program()
with paddle.static.program_guard(main_program):
mean = [1, 2, 3]
self.assertRaises(TypeError, paddle.normal, mean)
std = [1, 2, 3]
self.assertRaises(TypeError, paddle.normal, std=std)
mean = paddle.static.data('Mean', [100], 'int32')
self.assertRaises(TypeError, paddle.normal, mean)
std = paddle.static.data('Std', [100], 'int32')
self.assertRaises(TypeError, paddle.normal, mean=1.0, std=std)
self.assertRaises(TypeError, paddle.normal, shape=1)
self.assertRaises(TypeError, paddle.normal, shape=[1.0])
shape = paddle.static.data('Shape', [100], 'float32')
self.assertRaises(TypeError, paddle.normal, shape=shape)
class TestNormalAPIComplex(unittest.TestCase):
def setUp(self):
self.mean = 1.0 + 1.0j
self.std = 1.0
self.shape = None
self.repeat_num = 2000
self.set_attrs()
self.dtype = self.get_dtype()
self.place = (
get_device_place()
if (
(paddle.base.core.is_compiled_with_cuda() or is_custom_device())
or is_custom_device()
)
else paddle.CPUPlace()
)
def set_attrs(self):
self.shape = [8, 12]
def get_shape(self):
if isinstance(self.mean, np.ndarray):
shape = self.mean.shape
elif isinstance(self.std, np.ndarray):
shape = self.std.shape
else:
shape = self.shape
return list(shape)
def get_dtype(self):
if isinstance(self.mean, np.ndarray):
return self.mean.dtype
else:
return 'complex64'
def static_api(self):
paddle.enable_static()
shape = self.get_shape()
ret_all_shape = copy.deepcopy(shape)
ret_all_shape.insert(0, self.repeat_num)
ret_all = np.zeros(ret_all_shape, self.dtype)
main_program = paddle.static.Program()
with paddle.static.program_guard(main_program):
if isinstance(self.mean, np.ndarray) and isinstance(
self.std, np.ndarray
):
mean = paddle.static.data(
'Mean', self.mean.shape, self.mean.dtype
)
std = paddle.static.data('Std', self.std.shape, self.std.dtype)
out = paddle.normal(mean, std, self.shape)
exe = paddle.static.Executor(self.place)
for i in range(self.repeat_num):
ret = exe.run(
feed={
'Mean': self.mean,
'Std': self.std.reshape(shape),
},
fetch_list=[out],
)
ret_all[i] = ret[0]
elif isinstance(self.mean, np.ndarray):
mean = paddle.static.data(
'Mean', self.mean.shape, self.mean.dtype
)
out = paddle.normal(mean, self.std, self.shape)
exe = paddle.static.Executor(self.place)
for i in range(self.repeat_num):
ret = exe.run(feed={'Mean': self.mean}, fetch_list=[out])
ret_all[i] = ret[0]
elif isinstance(self.std, np.ndarray):
mean = paddle.static.data('Mean', self.std.shape, 'complex128')
std = paddle.static.data('Std', self.std.shape, self.std.dtype)
out = paddle.normal(mean, std, self.shape)
exe = paddle.static.Executor(self.place)
for i in range(self.repeat_num):
ret = exe.run(
feed={
'Std': self.std,
'Mean': np.broadcast_to(
np.array(self.mean), self.std.shape
),
},
fetch_list=[out],
)
ret_all[i] = ret[0]
else:
mean = paddle.static.data('Mean', (), 'complex128')
out = paddle.normal(mean, self.std, self.shape)
exe = paddle.static.Executor(self.place)
for i in range(self.repeat_num):
ret = exe.run(
feed={'Mean': np.array(self.mean)}, fetch_list=[out]
)
ret_all[i] = ret[0]
paddle.disable_static()
return ret_all
def dygraph_api(self):
paddle.disable_static(self.place)
shape = self.get_shape()
ret_all_shape = copy.deepcopy(shape)
ret_all_shape.insert(0, self.repeat_num)
ret_all = np.zeros(ret_all_shape, self.dtype)
mean = (
paddle.to_tensor(self.mean)
if isinstance(self.mean, np.ndarray)
else self.mean
)
std = (
paddle.to_tensor(self.std)
if isinstance(self.std, np.ndarray)
else self.std
)
for i in range(self.repeat_num):
out = paddle.normal(mean, std, self.shape)
ret_all[i] = out.numpy()
paddle.enable_static()
return ret_all
def test_api(self):
ret_static = self.static_api()
ret_dygraph = self.dygraph_api()
for ret in [ret_static, ret_dygraph]:
shape_ref = self.get_shape()
self.assertEqual(shape_ref, list(ret[0].shape))
mean = np.mean(ret, axis=0)
var = np.var(ret, axis=0)
var_real = np.var(ret.real, axis=0)
var_imag = np.var(ret.imag, axis=0)
mean_ref = self.mean
var_ref = np.power(self.std, 2)
np.testing.assert_allclose(mean_ref, mean, rtol=0.2, atol=0.2)
np.testing.assert_allclose(var_ref, var, rtol=0.2, atol=0.2)
np.testing.assert_allclose(
var_ref / 2.0, var_real, rtol=0.2, atol=0.2
)
np.testing.assert_allclose(
var_ref / 2.0, var_imag, rtol=0.2, atol=0.2
)
class TestNormalAPIComplex_mean_is_tensor(TestNormalAPIComplex):
def set_attrs(self):
self.mean = np.vectorize(complex)(
np.random.uniform(-2, -1, [2, 3]), np.random.uniform(-2, -1, [2, 3])
)
class TestNormalAPIComplex_std_is_tensor(TestNormalAPIComplex):
def set_attrs(self):
self.std = np.random.uniform(0.7, 1, [2, 5]).astype('float64')
class TestNormalAPIComplex_mean_std_are_tensor(TestNormalAPIComplex):
def set_attrs(self):
self.mean = np.vectorize(complex)(
np.random.uniform(1, 2, [1, 100]), np.random.uniform(1, 2, [1, 100])
)
self.std = np.random.uniform(0.5, 1, [1, 100]).astype('float64')
class TestNormalAPIComplex_mean_std_are_tensor_with_different_dtype(
TestNormalAPIComplex
):
def set_attrs(self):
self.mean = np.vectorize(complex)(
np.random.uniform(1, 2, [100]), np.random.uniform(1, 2, [100])
).astype('complex64')
self.std = np.random.uniform(1, 2, [100]).astype('float32')
class TestNormalComplexErrors(unittest.TestCase):
def test_errors(self):
main_program = paddle.static.Program()
with paddle.static.program_guard(main_program):
mean = 1 + 1j
self.assertRaises(TypeError, paddle.normal, mean, dtype='float32')
mean = 2 + 0.5j
self.assertRaises(ValueError, paddle.normal, mean)
if __name__ == "__main__":
unittest.main()