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

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Python

# Copyright (c) 2022 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.base import core
class TestLogspaceOpCommonCase(OpTest):
def setUp(self):
self.op_type = "logspace"
self.python_api = paddle.logspace
self.init_data()
def init_data(self):
dtype = 'float32'
self.inputs = {
'Start': np.array([0]).astype(dtype),
'Stop': np.array([10]).astype(dtype),
'Num': np.array([11]).astype('int32'),
'Base': np.array([2]).astype(dtype),
}
self.attrs = {'dtype': paddle.float32}
self.outputs = {'Out': np.power(2, np.arange(0, 11)).astype(dtype)}
def test_check_output(self):
self.check_output(check_pir=True, check_symbol_infer=False)
class TestLogspaceFP16Op(TestLogspaceOpCommonCase):
def init_data(self):
self.dtype = np.float16
self.inputs = {
'Start': np.array([0]).astype(self.dtype),
'Stop': np.array([10]).astype(self.dtype),
'Num': np.array([11]).astype('int32'),
'Base': np.array([2]).astype(self.dtype),
}
self.attrs = {'dtype': paddle.float16}
self.outputs = {'Out': np.power(2, np.arange(0, 11)).astype(self.dtype)}
@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 or not support bfloat16",
)
class TestLogspaceBF16Op(OpTest):
def setUp(self):
self.op_type = "logspace"
self.python_api = paddle.logspace
self.init_data()
def init_data(self):
self.dtype = np.uint16
self.np_dtype = np.float32
self.inputs = {
'Start': np.array([0]).astype(self.np_dtype),
'Stop': np.array([10]).astype(self.np_dtype),
'Num': np.array([11]).astype('int32'),
'Base': np.array([2]).astype(self.np_dtype),
}
self.attrs = {'dtype': paddle.bfloat16}
self.outputs = {
'Out': np.power(2, np.arange(0, 11)).astype(self.np_dtype)
}
self.inputs["Start"] = convert_float_to_uint16(self.inputs["Start"])
self.inputs["Stop"] = convert_float_to_uint16(self.inputs["Stop"])
self.inputs["Base"] = convert_float_to_uint16(self.inputs["Base"])
self.outputs["Out"] = convert_float_to_uint16(self.outputs["Out"])
self.place = get_device_place()
def test_check_output(self):
self.check_output_with_place(
self.place, check_pir=True, check_symbol_infer=False
)
class TestLogspaceOpReverseCase(TestLogspaceOpCommonCase):
def init_data(self):
dtype = 'float32'
self.inputs = {
'Start': np.array([10]).astype(dtype),
'Stop': np.array([0]).astype(dtype),
'Num': np.array([11]).astype('int32'),
'Base': np.array([2]).astype(dtype),
}
self.attrs = {'dtype': paddle.float32}
self.outputs = {'Out': np.power(2, np.arange(10, -1, -1)).astype(dtype)}
class TestLogspaceOpNumOneCase(TestLogspaceOpCommonCase):
def init_data(self):
dtype = 'float32'
self.inputs = {
'Start': np.array([10]).astype(dtype),
'Stop': np.array([0]).astype(dtype),
'Num': np.array([1]).astype('int32'),
'Base': np.array([2]).astype(dtype),
}
self.attrs = {'dtype': paddle.float32}
self.outputs = {'Out': np.power(2, np.array([10])).astype(dtype)}
class TestLogspaceOpMinusBaseCase(TestLogspaceOpCommonCase):
def init_data(self):
dtype = 'float32'
self.inputs = {
'Start': np.array([0]).astype(dtype),
'Stop': np.array([10]).astype(dtype),
'Num': np.array([11]).astype('int32'),
'Base': np.array([-2]).astype(dtype),
}
self.attrs = {'dtype': paddle.float32}
self.outputs = {'Out': np.power(-2, np.arange(0, 11)).astype(dtype)}
class TestLogspaceOpZeroBaseCase(TestLogspaceOpCommonCase):
def init_data(self):
dtype = 'float32'
self.inputs = {
'Start': np.array([0]).astype(dtype),
'Stop': np.array([10]).astype(dtype),
'Num': np.array([11]).astype('int32'),
'Base': np.array([0]).astype(dtype),
}
self.attrs = {'dtype': paddle.float32}
self.outputs = {'Out': np.power(0, np.arange(0, 11)).astype(dtype)}
class TestLogspaceAPI(unittest.TestCase):
def test_variable_input1(self):
paddle.enable_static()
prog = paddle.static.Program()
with paddle.static.program_guard(prog):
start = paddle.full(shape=[1], fill_value=0, dtype='float32')
stop = paddle.full(shape=[1], fill_value=10, dtype='float32')
num = paddle.full(shape=[1], fill_value=5, dtype='int32')
base = paddle.full(shape=[1], fill_value=2, dtype='float32')
out = paddle.logspace(start, stop, num, base, dtype='float32')
exe = paddle.static.Executor()
res = exe.run(prog, fetch_list=[out])
np_res = np.logspace(0, 10, 5, base=2, dtype='float32')
self.assertEqual((res == np_res).all(), True)
paddle.disable_static()
def test_variable_input2(self):
paddle.disable_static()
start = paddle.full(shape=[1], fill_value=0, dtype='float32')
stop = paddle.full(shape=[1], fill_value=10, dtype='float32')
num = paddle.full(shape=[1], fill_value=5, dtype='int32')
base = paddle.full(shape=[1], fill_value=2, dtype='float32')
out = paddle.logspace(start, stop, num, base, dtype='float32')
np_res = np.logspace(0, 10, 5, base=2, dtype='float32')
self.assertEqual((out.numpy() == np_res).all(), True)
paddle.enable_static()
def test_dtype(self):
paddle.enable_static()
prog = paddle.static.Program()
with paddle.static.program_guard(prog):
out_1 = paddle.logspace(0, 10, 5, 2, dtype='float32')
out_2 = paddle.logspace(0, 10, 5, 2, dtype=np.float32)
exe = paddle.static.Executor()
res_1, res_2 = exe.run(prog, fetch_list=[out_1, out_2])
np.testing.assert_array_equal(res_1, res_2)
paddle.disable_static()
def test_name(self):
with paddle.static.program_guard(paddle.static.Program()):
out = paddle.logspace(
0, 10, 5, 2, dtype='float32', name='logspace_res'
)
if not paddle.framework.use_pir_api():
assert 'logspace_res' in out.name
def test_imperative(self):
paddle.disable_static()
out1 = paddle.logspace(0, 10, 5, 2, dtype='float32')
np_out1 = np.logspace(0, 10, 5, base=2, dtype='float32')
out2 = paddle.logspace(0, 10, 5, 2, dtype='int32')
np_out2 = np.logspace(0, 10, 5, base=2, dtype='int32')
out3 = paddle.logspace(0, 10, 200, 2, dtype='int32')
np_out3 = np.logspace(0, 10, 200, base=2, dtype='int32')
paddle.enable_static()
self.assertEqual((out1.numpy() == np_out1).all(), True)
self.assertEqual((out2.numpy() == np_out2).all(), True)
self.assertEqual((out3.numpy() == np_out3).all(), True)
class TestLogspaceOpError(unittest.TestCase):
def test_errors(self):
with paddle.static.program_guard(paddle.static.Program()):
def test_dtype():
paddle.logspace(0, 10, 1, 2, dtype="int8")
self.assertRaises(TypeError, test_dtype)
def test_dtype1():
paddle.logspace(0, 10, 1.33, 2, dtype="int32")
self.assertRaises(TypeError, test_dtype1)
def test_start_type():
paddle.logspace([0], 10, 1, 2, dtype="float32")
self.assertRaises(TypeError, test_start_type)
def test_end_type():
paddle.logspace(0, [10], 1, 2, dtype="float32")
self.assertRaises(TypeError, test_end_type)
def test_num_type():
paddle.logspace(0, 10, [0], 2, dtype="float32")
self.assertRaises(TypeError, test_num_type)
def test_start_dtype():
start = paddle.static.data(
shape=[1], dtype="float64", name="start"
)
paddle.logspace(start, 10, 1, 2, dtype="float32")
self.assertRaises(ValueError, test_start_dtype)
def test_end_dtype():
end = paddle.static.data(shape=[1], dtype="float64", name="end")
paddle.logspace(0, end, 1, 2, dtype="float32")
self.assertRaises(ValueError, test_end_dtype)
def test_num_dtype():
num = paddle.static.data(
shape=[1], dtype="float32", name="step"
)
paddle.logspace(0, 10, num, 2, dtype="float32")
self.assertRaises(TypeError, test_num_dtype)
def test_base_dtype():
base = paddle.static.data(
shape=[1], dtype="float64", name="end"
)
paddle.logspace(0, 10, 1, base, dtype="float32")
self.assertRaises(ValueError, test_base_dtype)
if __name__ == "__main__":
unittest.main()