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89 lines
2.9 KiB
89 lines
2.9 KiB
8 years ago
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/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#include "paddle/operators/math/im2col.h"
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#include <gtest/gtest.h>
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#include <iostream>
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TEST(math, im2col) {
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paddle::framework::Tensor input;
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paddle::framework::Tensor output_cfo;
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paddle::framework::Tensor output_ocf;
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paddle::framework::Tensor input_check;
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int input_height = 2;
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int input_width = 3;
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int filter_size = 2;
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int stride = 1;
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int padding = 0;
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int output_height = (input_height - filter_size + 2 * padding) / stride + 1;
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int output_width = (input_width - filter_size + 2 * padding) / stride + 1;
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/**
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* input = [0, 1, 2,
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* 3, 4, 5]
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*
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* output_cfo = [0, 1
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* 1, 2
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* 3, 4
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* 4, 5]
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*
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* output_ocf = [0, 1, 3, 4
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* 1, 2, 4, 5]
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*/
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auto* cpu_place = new paddle::platform::CPUPlace();
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float* input_ptr =
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input.mutable_data<float>({1, input_height, input_width}, *cpu_place);
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float arr[6] = {0, 1, 2, 3, 4, 5};
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memcpy(input_ptr, arr, 6 * sizeof(float));
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output_cfo.mutable_data<float>(
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{1, filter_size, filter_size, output_height, output_width}, *cpu_place);
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output_ocf.mutable_data<float>(
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{output_height, output_width, 1, filter_size, filter_size}, *cpu_place);
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paddle::operators::math::Im2ColFunctor<
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paddle::operators::math::ColFormat::kCFO, paddle::platform::CPUPlace,
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float>
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im2col;
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paddle::operators::math::Im2ColFunctor<
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paddle::operators::math::ColFormat::kOCF, paddle::platform::CPUPlace,
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float>
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im2col_ocf;
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paddle::platform::DeviceContext* context =
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new paddle::platform::CPUDeviceContext(*cpu_place);
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im2col(input, output_cfo, stride, stride, padding, padding, context);
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im2col_ocf(input, output_ocf, stride, stride, padding, padding, context);
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float* out_cfo_ptr = output_cfo.data<float>();
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EXPECT_EQ(out_cfo_ptr[0], 0);
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EXPECT_EQ(out_cfo_ptr[1], 1);
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EXPECT_EQ(out_cfo_ptr[2], 1);
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EXPECT_EQ(out_cfo_ptr[3], 2);
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EXPECT_EQ(out_cfo_ptr[4], 3);
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EXPECT_EQ(out_cfo_ptr[5], 4);
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EXPECT_EQ(out_cfo_ptr[6], 4);
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EXPECT_EQ(out_cfo_ptr[7], 5);
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float* out_ocf_ptr = output_ocf.data<float>();
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EXPECT_EQ(out_ocf_ptr[0], 0);
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EXPECT_EQ(out_ocf_ptr[1], 1);
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EXPECT_EQ(out_ocf_ptr[2], 3);
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EXPECT_EQ(out_ocf_ptr[3], 4);
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EXPECT_EQ(out_ocf_ptr[4], 1);
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EXPECT_EQ(out_ocf_ptr[5], 2);
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EXPECT_EQ(out_ocf_ptr[6], 4);
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EXPECT_EQ(out_ocf_ptr[7], 5);
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}
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