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Paddle/python/paddle/fluid/tests/unittests/test_cast_op.py

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2.2 KiB

# Copyright (c) 2018 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 op_test
import unittest
import numpy as np
import paddle.fluid.core as core
class TestCastOp1(op_test.OpTest):
def setUp(self):
ipt = np.random.random(size=[10, 10])
self.inputs = {'X': ipt.astype('float32')}
self.outputs = {'Out': ipt.astype('float64')}
self.attrs = {
'in_dtype': int(core.VarDesc.VarType.FP32),
'out_dtype': int(core.VarDesc.VarType.FP64)
}
self.op_type = 'cast'
def test_check_output(self):
self.check_output()
def test_grad(self):
self.check_grad(['X'], ['Out'])
class TestCastOp2(op_test.OpTest):
def setUp(self):
ipt = np.random.random(size=[10, 10])
# numpy float16 is binded to fluid float16 via uint16
self.inputs = {'X': ipt.astype('float16').view(np.uint16)}
self.outputs = {'Out': ipt.astype('float32')}
self.attrs = {
'in_dtype': int(core.VarDesc.VarType.FP16),
'out_dtype': int(core.VarDesc.VarType.FP32)
}
self.op_type = 'cast'
def test_check_output(self):
self.check_output(atol=1e-3)
class TestCastOp3(op_test.OpTest):
def setUp(self):
ipt = np.random.random(size=[10, 10])
self.inputs = {'X': ipt.astype('float32')}
self.outputs = {'Out': ipt.astype('float16')}
self.attrs = {
'in_dtype': int(core.VarDesc.VarType.FP32),
'out_dtype': int(core.VarDesc.VarType.FP16)
}
self.op_type = 'cast'
def test_check_output(self):
self.check_output(atol=1e-3)
if __name__ == '__main__':
unittest.main()