opencv/modules/cudev/test/test_bitwize_op.cu

/*M///////////////////////////////////////////////////////////////////////////////////////
//
//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
//  By downloading, copying, installing or using the software you agree to this license.
//  If you do not agree to this license, do not download, install,
//  copy or use the software.
//
//
//                          License Agreement
//                For Open Source Computer Vision Library
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
//   * Redistribution's of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//
//   * Redistribution's in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//
//   * The name of the copyright holders may not be used to endorse or promote products
//     derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/

#include "test_precomp.hpp"

using namespace cv;
using namespace cv::gpu;
using namespace cv::cudev;
using namespace cvtest;

typedef ::testing::Types<uchar, ushort, short, int> IntTypes;

////////////////////////////////////////////////////////////////////////////////
// BitNotTest

template <typename T>
class BitNotTest : public ::testing::Test
{
public:
    void test_gpumat()
    {
        const Size size = randomSize(100, 400);
        const int type = DataType<T>::type;

        Mat src = randomMat(size, type);

        GpuMat_<T> d_src(src);

        GpuMat_<T> dst = ~d_src;

        Mat dst_gold;
        cv::bitwise_not(src, dst_gold);

        EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
    }
};

TYPED_TEST_CASE(BitNotTest, IntTypes);

TYPED_TEST(BitNotTest, GpuMat)
{
    BitNotTest<TypeParam>::test_gpumat();
}

////////////////////////////////////////////////////////////////////////////////
// BitAndTest

template <typename T>
class BitAndTest : public ::testing::Test
{
public:
    void test_gpumat_gpumat()
    {
        const Size size = randomSize(100, 400);
        const int type = DataType<T>::type;

        Mat src1 = randomMat(size, type);
        Mat src2 = randomMat(size, type);

        GpuMat_<T> d_src1(src1), d_src2(src2);

        GpuMat_<T> dst = d_src1 & d_src2;

        Mat dst_gold;
        cv::bitwise_and(src1, src2, dst_gold);

        EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
    }
};

TYPED_TEST_CASE(BitAndTest, IntTypes);

TYPED_TEST(BitAndTest, GpuMat_GpuMat)
{
    BitAndTest<TypeParam>::test_gpumat_gpumat();
}

////////////////////////////////////////////////////////////////////////////////
// LShiftTest

template <typename T>
class LShiftTest : public ::testing::Test
{
public:
    void test_accuracy()
    {
        const Size size = randomSize(100, 400);
        const int type = DataType<T>::type;

        Mat src = randomMat(size, type);

        GpuMat_<T> d_src(src);

        GpuMat_<T> dst1 = d_src << 2;
        GpuMat_<T> dst2 = d_src * 4;

        EXPECT_MAT_NEAR(dst1, dst2, 0.0);
    }
};

TYPED_TEST_CASE(LShiftTest, int);

TYPED_TEST(LShiftTest, Accuracy)
{
    LShiftTest<TypeParam>::test_accuracy();
}