#  Copyright (c) 2021 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.

from __future__ import print_function

import numpy as np
import unittest
import sys
sys.path.append("..")
from op_test import OpTest
import paddle
import paddle.fluid as fluid

paddle.enable_static()
SEED = 2021


class TestScale(OpTest):
    def setUp(self):
        self.set_npu()
        self.op_type = "scale"
        self.place = paddle.NPUPlace(0)
        self.init_dtype()

        self.inputs = {
            'X': OpTest.np_dtype_to_fluid_dtype(
                np.random.random((10, 10)).astype(self.dtype))
        }
        self.attrs = {'scale': -2.3, 'bias': 0, 'bias_after_scale': True}
        self.outputs = {
            'Out': (self.inputs['X'] *
                    self.dtype(self.attrs['scale'])).astype(self.dtype)
        }

    def set_npu(self):
        self.__class__.use_npu = True

    def init_dtype(self):
        self.dtype = np.float32

    def test_check_output(self):
        self.check_output_with_place(self.place)


class TestFP16Scale(TestScale):
    def init_dtype(self):
        self.dtype = np.float16


class TestScaleInt(TestScale):
    def init_dtype(self):
        self.dtype = np.int32


class TestScaleInt64(TestScale):
    def init_dtype(self):
        self.dtype = np.int64


class TestBiasAfterScale(OpTest):
    def setUp(self):
        self.set_npu()
        self.op_type = "scale"
        self.place = paddle.NPUPlace(0)
        self.init_dtype()

        self.inputs = {
            'X': OpTest.np_dtype_to_fluid_dtype(
                np.random.random((10, 10)).astype(self.dtype))
        }
        self.attrs = {'scale': -2.3, 'bias': 0, 'bias_after_scale': False}
        self.outputs = {
            'Out': self.inputs['X'] * self.dtype(self.attrs['scale'])
        }

    def set_npu(self):
        self.__class__.use_npu = True

    def init_dtype(self):
        self.dtype = np.float32

    def test_check_output(self):
        self.check_output_with_place(self.place)


if __name__ == '__main__':
    unittest.main()
