# 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. from __future__ import print_function import unittest import numpy as np from op_test import OpTest import paddle.fluid as fluid from paddle.fluid import compiler, Program, program_guard import paddle # Situation 1: expand_times is a list(without tensor) class TestExpandOpRank1(OpTest): def setUp(self): self.op_type = "expand" self.init_data() self.inputs = {'X': np.random.random(self.ori_shape).astype("float64")} self.attrs = {'expand_times': self.expand_times} output = np.tile(self.inputs['X'], self.expand_times) self.outputs = {'Out': output} def init_data(self): self.ori_shape = [100] self.expand_times = [2] def test_check_output(self): self.check_output() def test_check_grad(self): self.check_grad(['X'], 'Out') class TestExpandOpRank2_Corner(TestExpandOpRank1): def init_data(self): self.ori_shape = [120] self.expand_times = [2] class TestExpandOpRank2(TestExpandOpRank1): def init_data(self): self.ori_shape = [12, 14] self.expand_times = [2, 3] class TestExpandOpRank3_Corner(TestExpandOpRank1): def init_data(self): self.ori_shape = (2, 10, 5) self.expand_times = (1, 1, 1) class TestExpandOpRank3(TestExpandOpRank1): def init_data(self): self.ori_shape = (2, 4, 15) self.expand_times = (2, 1, 4) class TestExpandOpRank4(TestExpandOpRank1): def init_data(self): self.ori_shape = (2, 4, 5, 7) self.expand_times = (3, 2, 1, 2) # Situation 2: expand_times is a list(with tensor) class TestExpandOpRank1_tensor_attr(OpTest): def setUp(self): self.op_type = "expand" self.init_data() expand_times_tensor = [] for index, ele in enumerate(self.expand_times): expand_times_tensor.append(("x" + str(index), np.ones( (1)).astype('int32') * ele)) self.inputs = { 'X': np.random.random(self.ori_shape).astype("float64"), 'expand_times_tensor': expand_times_tensor, } self.attrs = {"expand_times": self.infer_expand_times} output = np.tile(self.inputs['X'], self.expand_times) self.outputs = {'Out': output} def init_data(self): self.ori_shape = [100] self.expand_times = [2] self.infer_expand_times = [-1] def test_check_output(self): self.check_output() def test_check_grad(self): self.check_grad(['X'], 'Out') class TestExpandOpRank2_Corner_tensor_attr(TestExpandOpRank1_tensor_attr): def init_data(self): self.ori_shape = [12, 14] self.expand_times = [1, 1] self.infer_expand_times = [1, -1] class TestExpandOpRank2_attr_tensor(TestExpandOpRank1_tensor_attr): def init_data(self): self.ori_shape = [12, 14] self.expand_times = [2, 3] self.infer_expand_times = [-1, 3] # Situation 3: expand_times is a tensor class TestExpandOpRank1_tensor(OpTest): def setUp(self): self.op_type = "expand" self.init_data() self.inputs = { 'X': np.random.random(self.ori_shape).astype("float64"), 'ExpandTimes': np.array(self.expand_times).astype("int32"), } self.attrs = {} output = np.tile(self.inputs['X'], self.expand_times) self.outputs = {'Out': output} def init_data(self): self.ori_shape = [100] self.expand_times = [2] def test_check_output(self): self.check_output() def test_check_grad(self): self.check_grad(['X'], 'Out') class TestExpandOpRank2_tensor(TestExpandOpRank1_tensor): def init_data(self): self.ori_shape = [12, 14] self.expand_times = [2, 3] # Situation 4: input x is Integer class TestExpandOpInteger(OpTest): def setUp(self): self.op_type = "expand" self.inputs = { 'X': np.random.randint( 10, size=(2, 4, 5)).astype("int32") } self.attrs = {'expand_times': [2, 1, 4]} output = np.tile(self.inputs['X'], (2, 1, 4)) self.outputs = {'Out': output} def test_check_output(self): self.check_output() # Situation 5: input x is Bool class TestExpandOpBoolean(OpTest): def setUp(self): self.op_type = "expand" self.inputs = {'X': np.random.randint(2, size=(2, 4, 5)).astype("bool")} self.attrs = {'expand_times': [2, 1, 4]} output = np.tile(self.inputs['X'], (2, 1, 4)) self.outputs = {'Out': output} def test_check_output(self): self.check_output() # Situation 56: input x is Integer class TestExpandOpInt64_t(OpTest): def setUp(self): self.op_type = "expand" self.inputs = { 'X': np.random.randint( 10, size=(2, 4, 5)).astype("int64") } self.attrs = {'expand_times': [2, 1, 4]} output = np.tile(self.inputs['X'], (2, 1, 4)) self.outputs = {'Out': output} def test_check_output(self): self.check_output() class TestExpandError(unittest.TestCase): def test_errors(self): with program_guard(Program(), Program()): x1 = fluid.create_lod_tensor( np.array([[-1]]), [[1]], fluid.CPUPlace()) expand_times = [2, 2] self.assertRaises(TypeError, fluid.layers.expand, x1, expand_times) x2 = fluid.layers.data(name='x2', shape=[4], dtype="uint8") self.assertRaises(TypeError, fluid.layers.expand, x2, expand_times) x3 = fluid.layers.data(name='x3', shape=[4], dtype="bool") x3.stop_gradient = True self.assertRaises(ValueError, fluid.layers.expand, x3, expand_times) # Test python API class TestExpandAPI(unittest.TestCase): def test_api(self): input = np.random.random([12, 14]).astype("float32") x = fluid.layers.data( name='x', shape=[12, 14], append_batch_size=False, dtype="float32") positive_2 = fluid.layers.fill_constant([1], "int32", 2) expand_times = fluid.layers.data( name="expand_times", shape=[2], append_batch_size=False) out_1 = fluid.layers.expand(x, expand_times=[2, 3]) out_2 = fluid.layers.expand(x, expand_times=[positive_2, 3]) out_3 = fluid.layers.expand(x, expand_times=expand_times) g0 = fluid.backward.calc_gradient(out_2, x) exe = fluid.Executor(place=fluid.CPUPlace()) res_1, res_2, res_3 = exe.run(fluid.default_main_program(), feed={ "x": input, "expand_times": np.array([1, 3]).astype("int32") }, fetch_list=[out_1, out_2, out_3]) assert np.array_equal(res_1, np.tile(input, (2, 3))) assert np.array_equal(res_2, np.tile(input, (2, 3))) assert np.array_equal(res_3, np.tile(input, (1, 3))) class TestExpandDygraphAPI(unittest.TestCase): def test_expand_times_is_tensor(self): with paddle.fluid.dygraph.guard(): a = paddle.rand([2, 5]) b = paddle.fluid.layers.expand(a, expand_times=[2, 3]) c = paddle.fluid.layers.expand( a, expand_times=paddle.to_tensor( [2, 3], dtype='int32')) self.assertTrue( np.array_equal(b.numpy(), np.tile(a.numpy(), [2, 3]))) self.assertTrue( np.array_equal(c.numpy(), np.tile(a.numpy(), [2, 3]))) if __name__ == "__main__": unittest.main()