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paddlepaddle--paddle/test/legacy_test/test_cross_op.py
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2026-07-13 12:40:42 +08:00

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# 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 unittest
import numpy as np
from op_test import (
OpTest,
convert_float_to_uint16,
get_device_place,
is_custom_device,
)
import paddle
from paddle import base
from paddle.base import core
class TestCrossOp(OpTest):
def setUp(self):
self.op_type = "cross"
self.python_api = paddle.cross
self.initTestCase()
self.inputs = {
'X': np.random.random(self.shape).astype(self.dtype),
'Y': np.random.random(self.shape).astype(self.dtype),
}
if self.dtype is np.complex64 or self.dtype is np.complex128:
self.inputs = {
'X': (
np.random.random(self.shape)
+ 1j * np.random.random(self.shape)
).astype(self.dtype),
'Y': (
np.random.random(self.shape)
+ 1j * np.random.random(self.shape)
).astype(self.dtype),
}
self.init_output()
def initTestCase(self):
self.attrs = {'dim': -2}
self.dtype = np.float64
self.shape = (1024, 3, 1)
def init_output(self):
x = np.squeeze(self.inputs['X'], 2)
y = np.squeeze(self.inputs['Y'], 2)
z_list = []
for i in range(1024):
z_list.append(np.cross(x[i], y[i]))
self.outputs = {'Out': np.array(z_list).reshape(self.shape)}
def test_check_output(self):
self.check_output(check_pir=True)
def test_check_grad_normal(self):
self.check_grad(['X', 'Y'], 'Out', check_pir=True)
class TestCrossOpCase1(TestCrossOp):
def initTestCase(self):
self.shape = (2048, 3)
self.dtype = np.float32
def init_output(self):
z_list = []
for i in range(2048):
z_list.append(np.cross(self.inputs['X'][i], self.inputs['Y'][i]))
self.outputs = {'Out': np.array(z_list).reshape(self.shape)}
@unittest.skipIf(
not (core.is_compiled_with_cuda() or is_custom_device()),
"core is not compiled with CUDA",
)
class TestCrossFP16Op(TestCrossOp):
def initTestCase(self):
self.shape = (2048, 3)
self.dtype = np.float16
def init_output(self):
z_list = []
for i in range(2048):
z_list.append(np.cross(self.inputs['X'][i], self.inputs['Y'][i]))
self.outputs = {'Out': np.array(z_list).reshape(self.shape)}
class TestCrossComplex64Op(TestCrossOp):
def initTestCase(self):
self.shape = (2048, 3)
self.dtype = np.complex64
def init_output(self):
z_list = []
for i in range(2048):
z_list.append(np.cross(self.inputs['X'][i], self.inputs['Y'][i]))
self.outputs = {'Out': np.array(z_list).reshape(self.shape)}
class TestCrossComplex128Op(TestCrossOp):
def initTestCase(self):
self.shape = (2048, 3)
self.dtype = np.complex128
def init_output(self):
z_list = []
for i in range(2048):
z_list.append(np.cross(self.inputs['X'][i], self.inputs['Y'][i]))
self.outputs = {'Out': np.array(z_list).reshape(self.shape)}
@unittest.skipIf(
not (core.is_compiled_with_cuda() or is_custom_device())
or not core.is_bfloat16_supported(get_device_place()),
"core is not compiled with CUDA and not support the bfloat16",
)
class TestCrossBF16Op(OpTest):
def setUp(self):
self.op_type = "cross"
self.python_api = paddle.cross
self.initTestCase()
self.x = np.random.random(self.shape).astype(np.float32)
self.y = np.random.random(self.shape).astype(np.float32)
self.inputs = {
'X': convert_float_to_uint16(self.x),
'Y': convert_float_to_uint16(self.y),
}
self.init_output()
def initTestCase(self):
self.attrs = {'dim': -2}
self.dtype = np.uint16
self.shape = (1024, 3, 1)
def init_output(self):
x = np.squeeze(self.x, 2)
y = np.squeeze(self.y, 2)
z_list = []
for i in range(1024):
z_list.append(np.cross(x[i], y[i]))
out = np.array(z_list).astype(np.float32).reshape(self.shape)
self.outputs = {'Out': convert_float_to_uint16(out)}
def test_check_output(self):
if core.is_compiled_with_cuda() or is_custom_device():
place = get_device_place()
if core.is_bfloat16_supported(place):
self.check_output_with_place(place, check_pir=True)
def test_check_grad_normal(self):
if core.is_compiled_with_cuda() or is_custom_device():
place = get_device_place()
if core.is_bfloat16_supported(place):
self.check_grad_with_place(
place, ['X', 'Y'], 'Out', check_pir=True
)
class TestCrossAPI(unittest.TestCase):
def input_data(self):
self.data_x = np.array(
[[1.0, 1.0, 1.0], [2.0, 2.0, 2.0], [3.0, 3.0, 3.0]]
).astype('float32')
self.data_y = np.array(
[[1.0, 1.0, 1.0], [1.0, 1.0, 1.0], [1.0, 1.0, 1.0]]
).astype('float32')
self.data_x_zero = np.array([]).reshape(0, 3).astype('float32')
self.data_y_zero = np.array([]).reshape(0, 3).astype('float32')
def test_cross_api(self):
self.input_data()
main = paddle.static.Program()
startup = paddle.static.Program()
# case 1:
with paddle.static.program_guard(main, startup):
x = paddle.static.data(name='x', shape=[-1, 3], dtype="float32")
y = paddle.static.data(name='y', shape=[-1, 3], dtype="float32")
z = paddle.cross(x, y, axis=1)
exe = base.Executor(base.CPUPlace())
(res,) = exe.run(
main,
feed={'x': self.data_x, 'y': self.data_y},
fetch_list=[z],
return_numpy=False,
)
expect_out = np.array(
[[0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0]]
)
np.testing.assert_allclose(expect_out, np.array(res), rtol=1e-05)
main = paddle.static.Program()
startup = paddle.static.Program()
# case 2:
with paddle.static.program_guard(main, startup):
x = paddle.static.data(name='x', shape=[-1, 3], dtype="float32")
y = paddle.static.data(name='y', shape=[-1, 3], dtype="float32")
z = paddle.cross(x, y)
exe = base.Executor(base.CPUPlace())
(res,) = exe.run(
main,
feed={'x': self.data_x, 'y': self.data_y},
fetch_list=[z],
return_numpy=False,
)
expect_out = np.array(
[[-1.0, -1.0, -1.0], [2.0, 2.0, 2.0], [-1.0, -1.0, -1.0]]
)
np.testing.assert_allclose(expect_out, np.array(res), rtol=1e-05)
main = paddle.static.Program()
startup = paddle.static.Program()
# case 3:
with paddle.static.program_guard(main, startup):
x = paddle.static.data(name='x', shape=[0, 3], dtype="float32")
y = paddle.static.data(name='y', shape=[0, 3], dtype="float32")
z = paddle.cross(x, y, axis=1)
exe = base.Executor(base.CPUPlace())
(res,) = exe.run(
main,
feed={'x': self.data_x_zero, 'y': self.data_y_zero},
fetch_list=[z],
return_numpy=False,
)
expect_out = np.empty((0, 3))
np.testing.assert_allclose(expect_out, np.array(res), rtol=1e-05)
main = paddle.static.Program()
startup = paddle.static.Program()
def test_dygraph_api(self):
self.input_data()
# case 1:
# with base.dygraph.guard():
# x = paddle.to_tensor(self.data_x)
# y = paddle.to_tensor(self.data_y)
# z = paddle.cross(x, y)
# np_z = z.numpy()
# expect_out = np.array([[-1.0, -1.0, -1.0], [2.0, 2.0, 2.0],
# [-1.0, -1.0, -1.0]])
# np.testing.assert_allclose(expect_out, np_z, rtol=1e-05)
# case 2:
with base.dygraph.guard():
x = paddle.to_tensor(self.data_x)
y = paddle.to_tensor(self.data_y)
z = paddle.cross(x, y, axis=1)
np_z = z.numpy()
expect_out = np.array(
[[0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0]]
)
np.testing.assert_allclose(expect_out, np_z, rtol=1e-05)
# case 3:
with base.dygraph.guard():
x = paddle.to_tensor(self.data_x_zero)
y = paddle.to_tensor(self.data_y_zero)
z = paddle.cross(x, y, axis=1)
np_z = z.numpy()
expect_out = np.empty((0, 3))
np.testing.assert_allclose(expect_out, np_z, rtol=1e-05)
class TestCrossOpZeroSizeTest(TestCrossOp):
def initTestCase(self):
self.shape = (0, 3, 3)
self.dtype = np.float64
self.attr = {'dim': -1}
def init_output(self):
z_list = []
for i in range(0):
z_list.append(np.cross(self.inputs['X'][i], self.inputs['Y'][i]))
self.outputs = {'Out': np.array(z_list).reshape(self.shape)}
class TestCrossOpZeroSizeTest1(TestCrossOp):
def initTestCase(self):
self.shape = (3, 0, 3)
self.dtype = np.float64
self.attr = {'dim': -1}
def init_output(self):
z_list = []
for i in range(3):
z_list.append(np.cross(self.inputs['X'][i], self.inputs['Y'][i]))
self.outputs = {'Out': np.array(z_list).reshape(self.shape)}
class TestCrossOpZeroSizeTest2(TestCrossOp):
def initTestCase(self):
self.shape = (0, 0, 3)
self.dtype = np.float64
self.attr = {'dim': -1}
def init_output(self):
z_list = []
for i in range(0):
z_list.append(np.cross(self.inputs['X'][i], self.inputs['Y'][i]))
self.outputs = {'Out': np.array(z_list).reshape(self.shape)}
class TestCrossOpZeroSizeCPUTest(TestCrossOp):
def initTestCase(self):
self.shape = (0, 0, 3)
self.dtype = np.float64
self.attr = {'dim': -1}
def init_output(self):
z_list = []
for i in range(0):
z_list.append(np.cross(self.inputs['X'][i], self.inputs['Y'][i]))
self.outputs = {'Out': np.array(z_list).reshape(self.shape)}
def test_check_output(self):
place = paddle.CPUPlace()
self.check_output_with_place(place, check_pir=True)
def test_check_grad_normal(self):
place = paddle.CPUPlace()
self.check_grad_with_place(place, ['X', 'Y'], 'Out', check_pir=True)
class TestCrossOpZeroSizeCPUTest1(TestCrossOpZeroSizeCPUTest):
def initTestCase(self):
self.shape = (3, 0, 3)
self.dtype = np.float64
self.attr = {'dim': -1}
def init_output(self):
z_list = []
for i in range(3):
z_list.append(np.cross(self.inputs['X'][i], self.inputs['Y'][i]))
self.outputs = {'Out': np.array(z_list).reshape(self.shape)}
class TestCrossOpZeroSizeCPUTest2(TestCrossOpZeroSizeCPUTest):
def initTestCase(self):
self.shape = (0, 0, 3)
self.dtype = np.float64
self.attr = {'dim': -1}
def init_output(self):
z_list = []
for i in range(0):
z_list.append(np.cross(self.inputs['X'][i], self.inputs['Y'][i]))
self.outputs = {'Out': np.array(z_list).reshape(self.shape)}
class TestLinalgCrossDefaultDim(unittest.TestCase):
def test_linalg_cross_default_dim(self):
# Test that paddle.linalg.cross defaults to dim=-1, not axis=9 auto
# Using shape [3, 2, 3] where auto-axis picks dim 0, but dim=-1 picks dim 2
paddle.disable_static()
np_x = np.random.randn(3, 2, 3).astype('float32')
np_y = np.random.randn(3, 2, 3).astype('float32')
x = paddle.to_tensor(np_x)
y = paddle.to_tensor(np_y)
# linalg.cross with default (should use dim=-1)
out_default = paddle.linalg.cross(x, y)
# linalg.cross with explicit dim=-1
out_neg1 = paddle.linalg.cross(x, y, dim=-1)
# linalg.cross with explicit dim=2
out_dim2 = paddle.linalg.cross(x, y, dim=2)
# linalg.cross with explicit dim=0
out_dim0 = paddle.linalg.cross(x, y, dim=0)
np.testing.assert_allclose(
out_default.numpy(), out_neg1.numpy(), rtol=1e-5
)
np.testing.assert_allclose(
out_default.numpy(), out_dim2.numpy(), rtol=1e-5
)
# dim=0 should give different result when shape is [3, 2, 3]
with self.assertRaises(AssertionError):
np.testing.assert_allclose(
out_default.numpy(), out_dim0.numpy(), rtol=1e-5
)
paddle.enable_static()
if __name__ == '__main__':
paddle.enable_static()
unittest.main()