///////////////////////////////////////////////////////////////////////////////////////
//
//  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.
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//
//                           License Agreement
//                For Open Source Computer Vision Library
//
// Copyright (C) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// @Authors
//    Niko Li, newlife20080214@gmail.com
//    Jia Haipeng, jiahaipeng95@gmail.com
//    Shengen Yan, yanshengen@gmail.com
//    Jiang Liyuan,jlyuan001.good@163.com
//    Rock Li, Rock.Li@amd.com
//    Zailong Wu, bullet@yeah.net
//    Yao Wang, bitwangyaoyao@gmail.com
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
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//   * 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 oclMaterials provided with the distribution.
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//   * The name of the copyright holders may not be used to endorse or promote products
//     derived from this software without specific prior written permission.
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// This software is provided by the copyright holders and contributors "as is" and
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//M*/

#include "test_precomp.hpp"
#include <iomanip>

#ifdef HAVE_OPENCL

using namespace cv;
using namespace cv::ocl;
using namespace cvtest;
using namespace testing;
using namespace std;

//////////////////////////////// LUT /////////////////////////////////////////////////

PARAM_TEST_CASE(Lut, int, int, bool, bool)
{
    int lut_depth;
    int cn;
    bool use_roi, same_cn;

    // src mat
    cv::Mat src;
    cv::Mat lut;
    cv::Mat dst;

    // src mat with roi
    cv::Mat src_roi;
    cv::Mat lut_roi;
    cv::Mat dst_roi;

    // ocl dst mat for testing
    cv::ocl::oclMat gdst_whole;

    // ocl mat with roi
    cv::ocl::oclMat gsrc;
    cv::ocl::oclMat glut;
    cv::ocl::oclMat gdst;

    virtual void SetUp()
    {
        lut_depth = GET_PARAM(0);
        cn = GET_PARAM(1);
        same_cn = GET_PARAM(2);
        use_roi = GET_PARAM(3);

        const int src_type = CV_MAKE_TYPE(CV_8U, cn);
        const int lut_type = CV_MAKE_TYPE(lut_depth, same_cn ? cn : 1);
        const int dst_type = CV_MAKE_TYPE(lut_depth, cn);

        cv::RNG &rng = TS::ptr()->get_rng();

        src = randomMat(rng, randomSize(MIN_VALUE, MAX_VALUE), src_type, 0, 256, false);
        lut = randomMat(rng, use_roi ? randomSize(260, 300) : Size(256, 1), lut_type, 5, 16, false);
        dst = randomMat(rng, use_roi ? randomSize(MIN_VALUE, MAX_VALUE) : src.size(), dst_type, 5, 16, false);
    }

    void random_roi()
    {
        // set up roi
        int roicols, roirows;
        int srcx, srcy;
        int lutx, luty;
        int dstx, dsty;

        if (use_roi)
        {
            // randomize ROI
            cv::RNG &rng = TS::ptr()->get_rng();

            roicols = rng.uniform(1, MIN_VALUE);
            roirows = rng.uniform(1, MIN_VALUE);

            srcx = rng.uniform(0, src.cols - roicols);
            srcy = rng.uniform(0, src.rows - roirows);
            lutx = rng.uniform(0, lut.cols - 256);
            luty = rng.uniform(0, lut.rows - 1);

            dstx = rng.uniform(0, dst.cols - roicols);
            dsty = rng.uniform(0, dst.rows - roirows);
        }
        else
        {
            roicols = src.cols;
            roirows = src.rows;
            srcx = srcy = 0;
            lutx = luty = 0;
            dstx = dsty = 0;
        }

        src_roi = src(Rect(srcx, srcy, roicols, roirows));
        lut_roi = lut(Rect(lutx, luty, 256, 1));
        dst_roi = dst(Rect(dstx, dsty, roicols, roirows));

        gdst_whole = dst;
        gdst = gdst_whole(Rect(dstx, dsty, roicols, roirows));

        gsrc = src_roi;
        glut = lut_roi;
    }

    void Near(double threshold = 0.)
    {
        EXPECT_MAT_NEAR(dst, Mat(gdst_whole), threshold);
        EXPECT_MAT_NEAR(dst_roi, Mat(gdst), threshold);
    }
};

TEST_P(Lut, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::LUT(src_roi, lut_roi, dst_roi);
        cv::ocl::LUT(gsrc, glut, gdst);

        Near();
    }
}

///////////////////////// ArithmTestBase ///////////////////////////

PARAM_TEST_CASE(ArithmTestBase, int, int, bool)
{
    int depth;
    int cn;
    bool use_roi;
    cv::Scalar val;

    // src mat
    cv::Mat src1;
    cv::Mat src2;
    cv::Mat mask;
    cv::Mat dst1;
    cv::Mat dst2; // for two outputs

    // set up roi
    int roicols, roirows;
    int src1x, src1y;
    int src2x, src2y;
    int dst1x, dst1y;
    int dst2x, dst2y;
    int maskx, masky;

    // src mat with roi
    cv::Mat src1_roi;
    cv::Mat src2_roi;
    cv::Mat mask_roi;
    cv::Mat dst1_roi;
    cv::Mat dst2_roi; // for two outputs

    // ocl dst mat for testing
    cv::ocl::oclMat gdst1_whole;
    cv::ocl::oclMat gdst2_whole; // for two outputs

    // ocl mat with roi
    cv::ocl::oclMat gsrc1;
    cv::ocl::oclMat gsrc2;
    cv::ocl::oclMat gdst1;
    cv::ocl::oclMat gdst2; // for two outputs
    cv::ocl::oclMat gmask;

    virtual void SetUp()
    {
        depth = GET_PARAM(0);
        cn = GET_PARAM(1);
        use_roi = GET_PARAM(2);
        const int type = CV_MAKE_TYPE(depth, cn);

        cv::RNG &rng = TS::ptr()->get_rng();

        src1 = randomMat(rng, randomSize(MIN_VALUE, MAX_VALUE), type, 5, 16, false);
        src2 = randomMat(rng, !use_roi ? src1.size() : randomSize(MIN_VALUE, MAX_VALUE), type, -15440, 14450, false);
        dst1 = randomMat(rng, !use_roi ? src1.size() : randomSize(MIN_VALUE, MAX_VALUE), type, 5, 16, false);
        dst2 = randomMat(rng, !use_roi ? src1.size() : randomSize(MIN_VALUE, MAX_VALUE), type, 5, 16, false);
        mask = randomMat(rng, !use_roi ? src1.size() : randomSize(MIN_VALUE, MAX_VALUE), CV_8UC1, 0, 2, false);

        cv::threshold(mask, mask, 0.5, 255., CV_8UC1);

        val = cv::Scalar(rng.uniform(-100.0, 100.0), rng.uniform(-100.0, 100.0),
                         rng.uniform(-100.0, 100.0), rng.uniform(-100.0, 100.0));
    }

    void random_roi()
    {
        if (use_roi)
        {
            // randomize ROI
            cv::RNG &rng = TS::ptr()->get_rng();

            roicols = rng.uniform(1, MIN_VALUE);
            roirows = rng.uniform(1, MIN_VALUE);

            src1x = rng.uniform(0, src1.cols - roicols);
            src1y = rng.uniform(0, src1.rows - roirows);
            src2x = rng.uniform(0, src2.cols - roicols);
            src2y = rng.uniform(0, src2.rows - roirows);

            dst1x = rng.uniform(0, dst1.cols - roicols);
            dst1y = rng.uniform(0, dst1.rows - roirows);
            dst2x = rng.uniform(0, dst2.cols - roicols);
            dst2y = rng.uniform(0, dst2.rows - roirows);

            maskx = rng.uniform(0, mask.cols - roicols);
            masky = rng.uniform(0, mask.rows - roirows);
        }
        else
        {
            roicols = src1.cols;
            roirows = src1.rows;
            src1x = src1y = 0;
            src2x = src2y = 0;
            dst1x = dst1y = 0;
            dst2x = dst2y = 0;
            maskx = masky = 0;
        }

        src1_roi = src1(Rect(src1x, src1y, roicols, roirows));
        src2_roi = src2(Rect(src2x, src2y, roicols, roirows));
        mask_roi = mask(Rect(maskx, masky, roicols, roirows));
        dst1_roi = dst1(Rect(dst1x, dst1y, roicols, roirows));
        dst2_roi = dst2(Rect(dst2x, dst2y, roicols, roirows));

        gdst1_whole = dst1;
        gdst1 = gdst1_whole(Rect(dst1x, dst1y, roicols, roirows));

        gdst2_whole = dst2;
        gdst2 = gdst2_whole(Rect(dst2x, dst2y, roicols, roirows));

        gsrc1 = src1_roi;
        gsrc2 = src2_roi;
        gmask = mask_roi;
    }

    void Near(double threshold = 0.)
    {
        EXPECT_MAT_NEAR(dst1, Mat(gdst1_whole), threshold);
        EXPECT_MAT_NEAR(dst1_roi, Mat(gdst1), threshold);
    }

    void Near1(double threshold = 0.)
    {
        EXPECT_MAT_NEAR(dst2, Mat(gdst2_whole), threshold);
        EXPECT_MAT_NEAR(dst2_roi, Mat(gdst2), threshold);
    }
};

//////////////////////////////// Exp /////////////////////////////////////////////////

typedef ArithmTestBase Exp;

TEST_P(Exp, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::exp(src1_roi, dst1_roi);
        cv::ocl::exp(gsrc1, gdst1);

        Near(2);
    }
}

//////////////////////////////// Log /////////////////////////////////////////////////

typedef ArithmTestBase Log;

TEST_P(Log, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::log(src1_roi, dst1_roi);
        cv::ocl::log(gsrc1, gdst1);
        Near(1);
    }
}

//////////////////////////////// Add /////////////////////////////////////////////////

typedef ArithmTestBase Add;

TEST_P(Add, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::add(src1_roi, src2_roi, dst1_roi);
        cv::ocl::add(gsrc1, gsrc2, gdst1);
        Near(0);
    }
}

TEST_P(Add, Mat_Mask)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::add(src1_roi, src2_roi, dst1_roi, mask_roi);
        cv::ocl::add(gsrc1, gsrc2, gdst1, gmask);
        Near(0);
    }
}

TEST_P(Add, Scalar)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::add(src1_roi, val, dst1_roi);
        cv::ocl::add(gsrc1, val, gdst1);
        Near(1e-5);
    }
}

TEST_P(Add, Scalar_Mask)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::add(src1_roi, val, dst1_roi, mask_roi);
        cv::ocl::add(gsrc1, val, gdst1, gmask);
        Near(1e-5);
    }
}

//////////////////////////////// Sub /////////////////////////////////////////////////

typedef ArithmTestBase Sub;

TEST_P(Sub, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::subtract(src1_roi, src2_roi, dst1_roi);
        cv::ocl::subtract(gsrc1, gsrc2, gdst1);

        Near(0);
    }
}

TEST_P(Sub, Mat_Mask)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::subtract(src1_roi, src2_roi, dst1_roi, mask_roi);
        cv::ocl::subtract(gsrc1, gsrc2, gdst1, gmask);
        Near(0);
    }
}

TEST_P(Sub, Scalar)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::subtract(src1_roi, val, dst1_roi);
        cv::ocl::subtract(gsrc1, val, gdst1);

        Near(1e-5);
    }
}

TEST_P(Sub, Scalar_Mask)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::subtract(src1_roi, val, dst1_roi, mask_roi);
        cv::ocl::subtract(gsrc1, val, gdst1, gmask);
        Near(1e-5);
    }
}

//////////////////////////////// Mul /////////////////////////////////////////////////

typedef ArithmTestBase Mul;

TEST_P(Mul, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::multiply(src1_roi, src2_roi, dst1_roi);
        cv::ocl::multiply(gsrc1, gsrc2, gdst1);
        Near(0);
    }
}

TEST_P(Mul, Scalar)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::multiply(val[0], src1_roi, dst1_roi);
        cv::ocl::multiply(val[0], gsrc1, gdst1);

        Near(gdst1.depth() >= CV_32F ? 1e-3 : 1);
    }
}


TEST_P(Mul, Mat_Scalar)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::multiply(src1_roi, src2_roi, dst1_roi, val[0]);
        cv::ocl::multiply(gsrc1, gsrc2, gdst1, val[0]);

        Near(gdst1.depth() >= CV_32F ? 1e-3 : 1);
    }
}

//////////////////////////////// Div /////////////////////////////////////////////////

typedef ArithmTestBase Div;

TEST_P(Div, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::divide(src1_roi, src2_roi, dst1_roi);
        cv::ocl::divide(gsrc1, gsrc2, gdst1);
        Near(1);
    }
}

TEST_P(Div, Scalar)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::divide(val[0], src1_roi, dst1_roi);
        cv::ocl::divide(val[0], gsrc1, gdst1);

        Near(gdst1.depth() >= CV_32F ? 1e-3 : 1);
    }
}


TEST_P(Div, Mat_Scalar)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::divide(src1_roi, src2_roi, dst1_roi, val[0]);
        cv::ocl::divide(gsrc1, gsrc2, gdst1, val[0]);

        Near(gdst1.depth() >= CV_32F ? 1e-3 : 1);
    }
}

//////////////////////////////// Absdiff /////////////////////////////////////////////////

typedef ArithmTestBase Absdiff;

TEST_P(Absdiff, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::absdiff(src1_roi, src2_roi, dst1_roi);
        cv::ocl::absdiff(gsrc1, gsrc2, gdst1);
        Near(0);
    }
}

TEST_P(Absdiff, Mat_Scalar)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::absdiff(src1_roi, val, dst1_roi);
        cv::ocl::absdiff(gsrc1, val, gdst1);
        Near(1e-5);
    }
}

//////////////////////////////// CartToPolar /////////////////////////////////////////////////

typedef ArithmTestBase CartToPolar;

TEST_P(CartToPolar, angleInDegree)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::cartToPolar(src1_roi, src2_roi, dst1_roi, dst2_roi, true);
        cv::ocl::cartToPolar(gsrc1, gsrc2, gdst1, gdst2, true);
        Near(.5);
        Near1(.5);
    }
}

TEST_P(CartToPolar, angleInRadians)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::cartToPolar(src1_roi, src2_roi, dst1_roi, dst2_roi);
        cv::ocl::cartToPolar(gsrc1, gsrc2, gdst1, gdst2);
        Near(.5);
        Near1(.5);
    }
}

//////////////////////////////// PolarToCart /////////////////////////////////////////////////

typedef ArithmTestBase PolarToCart;

TEST_P(PolarToCart, angleInDegree)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::polarToCart(src1_roi, src2_roi, dst1_roi, dst2_roi, true);
        cv::ocl::polarToCart(gsrc1, gsrc2, gdst1, gdst2, true);

        Near(.5);
        Near1(.5);
    }
}

TEST_P(PolarToCart, angleInRadians)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::polarToCart(src1_roi, src2_roi, dst1_roi, dst2_roi);
        cv::ocl::polarToCart(gsrc1, gsrc2, gdst1, gdst2);

        Near(.5);
        Near1(.5);
    }
}

//////////////////////////////// Magnitude /////////////////////////////////////////////////

typedef ArithmTestBase Magnitude;

TEST_P(Magnitude, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::magnitude(src1_roi, src2_roi, dst1_roi);
        cv::ocl::magnitude(gsrc1, gsrc2, gdst1);
        Near(depth == CV_64F ? 1e-5 : 1e-2);
    }
}

//////////////////////////////// Transpose /////////////////////////////////////////////////

typedef ArithmTestBase Transpose;

TEST_P(Transpose, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::transpose(src1_roi, dst1_roi);
        cv::ocl::transpose(gsrc1, gdst1);

        Near(1e-5);
    }
}

TEST_P(Transpose, SquareInplace)
{
    cv::RNG &rng = TS::ptr()->get_rng();
    int value = randomInt(MIN_VALUE, MAX_VALUE);
    src1 = randomMat(rng, Size(value, value), CV_MAKE_TYPE(depth, cn), 5, 16, false);

    if (use_roi)
    {
        roirows = roicols = randomInt(1, src1.cols);

        src1x = randomInt(0, src1.cols - roicols);
        src1y = randomInt(0, src1.rows - roirows);
    }
    else
    {
        roicols = roirows = src1.cols;
        src1x = src1y = 0;
    }

    Rect r(src1x, src1y, roicols, roirows);
    src1_roi = src1(r);
    gdst1_whole = src1;
    gdst1 = gdst1_whole(r);

    for (int j = 0; j < LOOP_TIMES; j++)
    {
        cv::transpose(src1_roi, src1_roi);
        cv::ocl::transpose(gdst1, gdst1);

        EXPECT_MAT_NEAR(src1, Mat(gdst1_whole), 0.0);
        EXPECT_MAT_NEAR(src1_roi, Mat(gdst1), 0.0);
    }
}

//////////////////////////////// Flip /////////////////////////////////////////////////

typedef ArithmTestBase Flip;

TEST_P(Flip, X)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::flip(src1_roi, dst1_roi, 0);
        cv::ocl::flip(gsrc1, gdst1, 0);
        Near(1e-5);
    }
}

TEST_P(Flip, Y)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::flip(src1_roi, dst1_roi, 1);
        cv::ocl::flip(gsrc1, gdst1, 1);
        Near(1e-5);
    }
}

TEST_P(Flip, BOTH)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::flip(src1_roi, dst1_roi, -1);
        cv::ocl::flip(gsrc1, gdst1, -1);
        Near(1e-5);
    }
}

//////////////////////////////// MinMax /////////////////////////////////////////////////

typedef ArithmTestBase MinMax;

TEST_P(MinMax, MAT)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        double minVal, maxVal;

        if (src1.depth() != CV_8S)
            cv::minMaxIdx(src1_roi, &minVal, &maxVal, NULL, NULL);
        else
        {
            minVal = std::numeric_limits<double>::max();
            maxVal = -std::numeric_limits<double>::max();
            for (int i = 0; i < src1_roi.rows; ++i)
                for (int j = 0; j < src1_roi.cols; ++j)
                {
                    signed char val = src1_roi.at<signed char>(i, j);
                    if (val < minVal) minVal = val;
                    else if (val > maxVal) maxVal = val;
                }
        }

        double minVal_, maxVal_;
        cv::ocl::minMax(gsrc1, &minVal_, &maxVal_);

        EXPECT_DOUBLE_EQ(minVal_, minVal);
        EXPECT_DOUBLE_EQ(maxVal_, maxVal);
    }
}

TEST_P(MinMax, DISABLED_MASK)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        double minVal, maxVal;
        cv::Point minLoc, maxLoc;

        if (src1.depth() != CV_8S)
            cv::minMaxLoc(src1_roi, &minVal, &maxVal, &minLoc, &maxLoc, mask_roi);
        else
        {
            minVal = std::numeric_limits<double>::max();
            maxVal = -std::numeric_limits<double>::max();
            for (int i = 0; i < src1_roi.rows; ++i)
                for (int j = 0; j < src1_roi.cols; ++j)
                {
                    signed char val = src1_roi.at<signed char>(i, j);
                    unsigned char m = mask_roi.at<unsigned char>(i, j);
                    if (val < minVal && m) minVal = val;
                    if (val > maxVal && m) maxVal = val;
                }
        }

        double minVal_, maxVal_;
        cv::ocl::minMax(gsrc1, &minVal_, &maxVal_, gmask);

        EXPECT_DOUBLE_EQ(minVal, minVal_);
        EXPECT_DOUBLE_EQ(maxVal, maxVal_);
    }
}

//////////////////////////////// MinMaxLoc /////////////////////////////////////////////////

typedef ArithmTestBase MinMaxLoc;

TEST_P(MinMaxLoc, MAT)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        double minVal, maxVal;
        cv::Point minLoc, maxLoc;
        int depth = src1.depth();

        if (depth != CV_8S)
            cv::minMaxLoc(src1_roi, &minVal, &maxVal, &minLoc, &maxLoc);
        else
        {
            minVal = std::numeric_limits<double>::max();
            maxVal = -std::numeric_limits<double>::max();
            for (int i = 0; i < src1_roi.rows; ++i)
                for (int j = 0; j < src1_roi.cols; ++j)
                {
                    signed char val = src1_roi.at<signed char>(i, j);
                    if (val < minVal)
                    {
                        minVal = val;
                        minLoc.x = j;
                        minLoc.y = i;
                    }
                    if (val > maxVal)
                    {
                        maxVal = val;
                        maxLoc.x = j;
                        maxLoc.y = i;
                    }
                }
        }

        double minVal_, maxVal_;
        cv::Point minLoc_, maxLoc_;
        cv::ocl::minMaxLoc(gsrc1, &minVal_, &maxVal_, &minLoc_, &maxLoc_, cv::ocl::oclMat());

        double error0 = 0., error1 = 0., minlocVal = 0., minlocVal_ = 0., maxlocVal = 0., maxlocVal_ = 0.;
        if (depth == 0)
        {
            minlocVal = src1_roi.at<unsigned char>(minLoc);
            minlocVal_ = src1_roi.at<unsigned char>(minLoc_);
            maxlocVal = src1_roi.at<unsigned char>(maxLoc);
            maxlocVal_ = src1_roi.at<unsigned char>(maxLoc_);
            error0 = ::abs(src1_roi.at<unsigned char>(minLoc_) - src1_roi.at<unsigned char>(minLoc));
            error1 = ::abs(src1_roi.at<unsigned char>(maxLoc_) - src1_roi.at<unsigned char>(maxLoc));
        }
        if (depth == 1)
        {
            minlocVal = src1_roi.at<signed char>(minLoc);
            minlocVal_ = src1_roi.at<signed char>(minLoc_);
            maxlocVal = src1_roi.at<signed char>(maxLoc);
            maxlocVal_ = src1_roi.at<signed char>(maxLoc_);
            error0 = ::abs(src1_roi.at<signed char>(minLoc_) - src1_roi.at<signed char>(minLoc));
            error1 = ::abs(src1_roi.at<signed char>(maxLoc_) - src1_roi.at<signed char>(maxLoc));
        }
        if (depth == 2)
        {
            minlocVal = src1_roi.at<unsigned short>(minLoc);
            minlocVal_ = src1_roi.at<unsigned short>(minLoc_);
            maxlocVal = src1_roi.at<unsigned short>(maxLoc);
            maxlocVal_ = src1_roi.at<unsigned short>(maxLoc_);
            error0 = ::abs(src1_roi.at<unsigned short>(minLoc_) - src1_roi.at<unsigned short>(minLoc));
            error1 = ::abs(src1_roi.at<unsigned short>(maxLoc_) - src1_roi.at<unsigned short>(maxLoc));
        }
        if (depth == 3)
        {
            minlocVal = src1_roi.at<signed short>(minLoc);
            minlocVal_ = src1_roi.at<signed short>(minLoc_);
            maxlocVal = src1_roi.at<signed short>(maxLoc);
            maxlocVal_ = src1_roi.at<signed short>(maxLoc_);
            error0 = ::abs(src1_roi.at<signed short>(minLoc_) - src1_roi.at<signed short>(minLoc));
            error1 = ::abs(src1_roi.at<signed short>(maxLoc_) - src1_roi.at<signed short>(maxLoc));
        }
        if (depth == 4)
        {
            minlocVal = src1_roi.at<int>(minLoc);
            minlocVal_ = src1_roi.at<int>(minLoc_);
            maxlocVal = src1_roi.at<int>(maxLoc);
            maxlocVal_ = src1_roi.at<int>(maxLoc_);
            error0 = ::abs(src1_roi.at<int>(minLoc_) - src1_roi.at<int>(minLoc));
            error1 = ::abs(src1_roi.at<int>(maxLoc_) - src1_roi.at<int>(maxLoc));
        }
        if (depth == 5)
        {
            minlocVal = src1_roi.at<float>(minLoc);
            minlocVal_ = src1_roi.at<float>(minLoc_);
            maxlocVal = src1_roi.at<float>(maxLoc);
            maxlocVal_ = src1_roi.at<float>(maxLoc_);
            error0 = ::abs(src1_roi.at<float>(minLoc_) - src1_roi.at<float>(minLoc));
            error1 = ::abs(src1_roi.at<float>(maxLoc_) - src1_roi.at<float>(maxLoc));
        }
        if (depth == 6)
        {
            minlocVal = src1_roi.at<double>(minLoc);
            minlocVal_ = src1_roi.at<double>(minLoc_);
            maxlocVal = src1_roi.at<double>(maxLoc);
            maxlocVal_ = src1_roi.at<double>(maxLoc_);
            error0 = ::abs(src1_roi.at<double>(minLoc_) - src1_roi.at<double>(minLoc));
            error1 = ::abs(src1_roi.at<double>(maxLoc_) - src1_roi.at<double>(maxLoc));
        }

        EXPECT_DOUBLE_EQ(minVal_, minVal);
        EXPECT_DOUBLE_EQ(maxVal_, maxVal);
        EXPECT_DOUBLE_EQ(minlocVal_, minlocVal);
        EXPECT_DOUBLE_EQ(maxlocVal_, maxlocVal);

        EXPECT_DOUBLE_EQ(error0, 0.0);
        EXPECT_DOUBLE_EQ(error1, 0.0);
    }
}

TEST_P(MinMaxLoc, MASK)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();
        double minVal, maxVal;
        cv::Point minLoc, maxLoc;
        int depth = src1.depth();
        if (depth != CV_8S)
            cv::minMaxLoc(src1_roi, &minVal, &maxVal, &minLoc, &maxLoc, mask_roi);
        else
        {
            minVal = std::numeric_limits<double>::max();
            maxVal = -std::numeric_limits<double>::max();
            for (int i = 0; i < src1_roi.rows; ++i)
                for (int j = 0; j < src1_roi.cols; ++j)
                {
                    signed char val = src1_roi.at<signed char>(i, j);
                    unsigned char m = mask_roi.at<unsigned char>(i , j);
                    if (val < minVal && m)
                    {
                        minVal = val;
                        minLoc.x = j;
                        minLoc.y = i;
                    }
                    if (val > maxVal && m)
                    {
                        maxVal = val;
                        maxLoc.x = j;
                        maxLoc.y = i;
                    }
                }
        }

        double minVal_, maxVal_;
        cv::Point minLoc_, maxLoc_;
        cv::ocl::minMaxLoc(gsrc1, &minVal_, &maxVal_, &minLoc_, &maxLoc_, gmask);

        double error0 = 0., error1 = 0., minlocVal = 0., minlocVal_ = 0., maxlocVal = 0., maxlocVal_ = 0.;
        if (minLoc_.x == -1 || minLoc_.y == -1 || maxLoc_.x == -1 || maxLoc_.y == -1) continue;
        if (depth == 0)
        {
            minlocVal = src1_roi.at<unsigned char>(minLoc);
            minlocVal_ = src1_roi.at<unsigned char>(minLoc_);
            maxlocVal = src1_roi.at<unsigned char>(maxLoc);
            maxlocVal_ = src1_roi.at<unsigned char>(maxLoc_);
            error0 = ::abs(src1_roi.at<unsigned char>(minLoc_) - src1_roi.at<unsigned char>(minLoc));
            error1 = ::abs(src1_roi.at<unsigned char>(maxLoc_) - src1_roi.at<unsigned char>(maxLoc));
        }
        if (depth == 1)
        {
            minlocVal = src1_roi.at<signed char>(minLoc);
            minlocVal_ = src1_roi.at<signed char>(minLoc_);
            maxlocVal = src1_roi.at<signed char>(maxLoc);
            maxlocVal_ = src1_roi.at<signed char>(maxLoc_);
            error0 = ::abs(src1_roi.at<signed char>(minLoc_) - src1_roi.at<signed char>(minLoc));
            error1 = ::abs(src1_roi.at<signed char>(maxLoc_) - src1_roi.at<signed char>(maxLoc));
        }
        if (depth == 2)
        {
            minlocVal = src1_roi.at<unsigned short>(minLoc);
            minlocVal_ = src1_roi.at<unsigned short>(minLoc_);
            maxlocVal = src1_roi.at<unsigned short>(maxLoc);
            maxlocVal_ = src1_roi.at<unsigned short>(maxLoc_);
            error0 = ::abs(src1_roi.at<unsigned short>(minLoc_) - src1_roi.at<unsigned short>(minLoc));
            error1 = ::abs(src1_roi.at<unsigned short>(maxLoc_) - src1_roi.at<unsigned short>(maxLoc));
        }
        if (depth == 3)
        {
            minlocVal = src1_roi.at<signed short>(minLoc);
            minlocVal_ = src1_roi.at<signed short>(minLoc_);
            maxlocVal = src1_roi.at<signed short>(maxLoc);
            maxlocVal_ = src1_roi.at<signed short>(maxLoc_);
            error0 = ::abs(src1_roi.at<signed short>(minLoc_) - src1_roi.at<signed short>(minLoc));
            error1 = ::abs(src1_roi.at<signed short>(maxLoc_) - src1_roi.at<signed short>(maxLoc));
        }
        if (depth == 4)
        {
            minlocVal = src1_roi.at<int>(minLoc);
            minlocVal_ = src1_roi.at<int>(minLoc_);
            maxlocVal = src1_roi.at<int>(maxLoc);
            maxlocVal_ = src1_roi.at<int>(maxLoc_);
            error0 = ::abs(src1_roi.at<int>(minLoc_) - src1_roi.at<int>(minLoc));
            error1 = ::abs(src1_roi.at<int>(maxLoc_) - src1_roi.at<int>(maxLoc));
        }
        if (depth == 5)
        {
            minlocVal = src1_roi.at<float>(minLoc);
            minlocVal_ = src1_roi.at<float>(minLoc_);
            maxlocVal = src1_roi.at<float>(maxLoc);
            maxlocVal_ = src1_roi.at<float>(maxLoc_);
            error0 = ::abs(src1_roi.at<float>(minLoc_) - src1_roi.at<float>(minLoc));
            error1 = ::abs(src1_roi.at<float>(maxLoc_) - src1_roi.at<float>(maxLoc));
        }
        if (depth == 6)
        {
            minlocVal = src1_roi.at<double>(minLoc);
            minlocVal_ = src1_roi.at<double>(minLoc_);
            maxlocVal = src1_roi.at<double>(maxLoc);
            maxlocVal_ = src1_roi.at<double>(maxLoc_);
            error0 = ::abs(src1_roi.at<double>(minLoc_) - src1_roi.at<double>(minLoc));
            error1 = ::abs(src1_roi.at<double>(maxLoc_) - src1_roi.at<double>(maxLoc));
        }

        EXPECT_DOUBLE_EQ(minVal_, minVal);
        EXPECT_DOUBLE_EQ(maxVal_, maxVal);
        EXPECT_DOUBLE_EQ(minlocVal_, minlocVal);
        EXPECT_DOUBLE_EQ(maxlocVal_, maxlocVal);

        EXPECT_DOUBLE_EQ(error0, 0.0);
        EXPECT_DOUBLE_EQ(error1, 0.0);
    }
}

//////////////////////////////// Sum /////////////////////////////////////////////////

typedef ArithmTestBase Sum;

TEST_P(Sum, DISABLED_MAT)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        Scalar cpures = cv::sum(src1_roi);
        Scalar gpures = cv::ocl::sum(gsrc1);

        //check results
        EXPECT_NEAR(cpures[0], gpures[0], 0.1);
        EXPECT_NEAR(cpures[1], gpures[1], 0.1);
        EXPECT_NEAR(cpures[2], gpures[2], 0.1);
        EXPECT_NEAR(cpures[3], gpures[3], 0.1);
    }
}

//////////////////////////////// CountNonZero /////////////////////////////////////////////////

typedef ArithmTestBase CountNonZero;

TEST_P(CountNonZero, MAT)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();
        int cpures = cv::countNonZero(src1_roi);
        int gpures = cv::ocl::countNonZero(gsrc1);

        EXPECT_DOUBLE_EQ((double)cpures, (double)gpures);
    }
}

//////////////////////////////// Phase /////////////////////////////////////////////////

typedef ArithmTestBase Phase;

TEST_P(Phase, DISABLED_Mat)
{
    for (int angelInDegrees = 0; angelInDegrees < 2; angelInDegrees++)
    {
        for (int j = 0; j < LOOP_TIMES; j++)
        {
            random_roi();
            cv::phase(src1_roi, src2_roi, dst1_roi, angelInDegrees ? true : false);
            cv::ocl::phase(gsrc1, gsrc2, gdst1, angelInDegrees ? true : false);
            Near(1e-2);
        }
    }
}

//////////////////////////////// Bitwise_and /////////////////////////////////////////////////

typedef ArithmTestBase Bitwise_and;

TEST_P(Bitwise_and, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_and(src1_roi, src2_roi, dst1_roi);
        cv::ocl::bitwise_and(gsrc1, gsrc2, gdst1);
        Near(0);
    }
}

TEST_P(Bitwise_and, Mat_Mask)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_and(src1_roi, src2_roi, dst1_roi, mask_roi);
        cv::ocl::bitwise_and(gsrc1, gsrc2, gdst1, gmask);
        Near(0);
    }
}

TEST_P(Bitwise_and, Scalar)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_and(src1_roi, val, dst1_roi);
        cv::ocl::bitwise_and(gsrc1, val, gdst1);
        Near(1e-5);
    }
}

TEST_P(Bitwise_and, Scalar_Mask)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_and(src1_roi, val, dst1_roi, mask_roi);
        cv::ocl::bitwise_and(gsrc1, val, gdst1, gmask);
        Near(1e-5);
    }
}

//////////////////////////////// Bitwise_or /////////////////////////////////////////////////

typedef ArithmTestBase Bitwise_or;

TEST_P(Bitwise_or, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_or(src1_roi, src2_roi, dst1_roi);
        cv::ocl::bitwise_or(gsrc1, gsrc2, gdst1);
        Near(0);
    }
}

TEST_P(Bitwise_or, Mat_Mask)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_or(src1_roi, src2_roi, dst1_roi, mask_roi);
        cv::ocl::bitwise_or(gsrc1, gsrc2, gdst1, gmask);
        Near(0);
    }
}

TEST_P(Bitwise_or, Scalar)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_or(src1_roi, val, dst1_roi);
        cv::ocl::bitwise_or(gsrc1, val, gdst1);
        Near(1e-5);
    }
}

TEST_P(Bitwise_or, Scalar_Mask)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_or(src1_roi, val, dst1_roi, mask_roi);
        cv::ocl::bitwise_or(gsrc1, val, gdst1, gmask);
        Near(1e-5);
    }
}

//////////////////////////////// Bitwise_xor /////////////////////////////////////////////////

typedef ArithmTestBase Bitwise_xor;

TEST_P(Bitwise_xor, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_xor(src1_roi, src2_roi, dst1_roi);
        cv::ocl::bitwise_xor(gsrc1, gsrc2, gdst1);
        Near(0);
    }
}

TEST_P(Bitwise_xor, Mat_Mask)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_xor(src1_roi, src2_roi, dst1_roi, mask_roi);
        cv::ocl::bitwise_xor(gsrc1, gsrc2, gdst1, gmask);
        Near(0);
    }
}

TEST_P(Bitwise_xor, Scalar)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_xor(src1_roi, val, dst1_roi);
        cv::ocl::bitwise_xor(gsrc1, val, gdst1);
        Near(1e-5);
    }
}

TEST_P(Bitwise_xor, Scalar_Mask)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_xor(src1_roi, val, dst1_roi, mask_roi);
        cv::ocl::bitwise_xor(gsrc1, val, gdst1, gmask);
        Near(1e-5);
    }
}

//////////////////////////////// Bitwise_not /////////////////////////////////////////////////

typedef ArithmTestBase Bitwise_not;

TEST_P(Bitwise_not, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        cv::bitwise_not(src1_roi, dst1_roi);
        cv::ocl::bitwise_not(gsrc1, gdst1);
        Near(0);
    }
}

//////////////////////////////// Compare /////////////////////////////////////////////////

typedef ArithmTestBase Compare;

TEST_P(Compare, Mat)
{
    int cmp_codes[] = { CMP_EQ, CMP_GT, CMP_GE, CMP_LT, CMP_LE, CMP_NE };
    int cmp_num = sizeof(cmp_codes) / sizeof(int);

    for (int i = 0; i < cmp_num; ++i)
        for (int j = 0; j < LOOP_TIMES; j++)
        {
            random_roi();

            cv::compare(src1_roi, src2_roi, dst1_roi, cmp_codes[i]);
            cv::ocl::compare(gsrc1, gsrc2, gdst1, cmp_codes[i]);

            Near(0);
        }
}

//////////////////////////////// Pow /////////////////////////////////////////////////

typedef ArithmTestBase Pow;

TEST_P(Pow, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();
        double p = 4.5;
        cv::pow(src1_roi, p, dst1_roi);
        cv::ocl::pow(gsrc1, p, gdst1);
        Near(1);
    }
}

//////////////////////////////// AddWeighted /////////////////////////////////////////////////

typedef ArithmTestBase AddWeighted;

TEST_P(AddWeighted, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        random_roi();

        const double alpha = 2.0, beta = 1.0, gama = 3.0;

        cv::addWeighted(src1_roi, alpha, src2_roi, beta, gama, dst1_roi);
        cv::ocl::addWeighted(gsrc1, alpha, gsrc2, beta, gama, gdst1);

        Near(1e-5);
    }
}

//////////////////////////////////////// Instantiation /////////////////////////////////////////

INSTANTIATE_TEST_CASE_P(Arithm, Lut, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool(), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Exp, Combine(testing::Values(CV_32F, CV_64F), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Log, Combine(testing::Values(CV_32F, CV_64F), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Add, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Sub, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Mul, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool()));
INSTANTIATE_TEST_CASE_P(Arithm, Div, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool()));
INSTANTIATE_TEST_CASE_P(Arithm, Absdiff, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, CartToPolar, Combine(Values(CV_32F, CV_64F), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, PolarToCart, Combine(Values(CV_32F, CV_64F), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Magnitude, Combine(Values(CV_32F, CV_64F), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Transpose, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Flip, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, MinMax, Combine(testing::Range(CV_8U, CV_USRTYPE1), Values(1), Bool()));
INSTANTIATE_TEST_CASE_P(Arithm, MinMaxLoc, Combine(testing::Range(CV_8U, CV_USRTYPE1), Values(1), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Sum, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool()));
INSTANTIATE_TEST_CASE_P(Arithm, CountNonZero, Combine(testing::Range(CV_8U, CV_USRTYPE1), Values(1), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Phase, Combine(Values(CV_32F, CV_64F), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Bitwise_and, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Bitwise_or, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Bitwise_xor, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Bitwise_not, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Compare, Combine(testing::Range(CV_8U, CV_USRTYPE1), Values(1), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, Pow, Combine(Values(CV_32F, CV_64F), testing::Range(1, 5), Bool())); // +
INSTANTIATE_TEST_CASE_P(Arithm, AddWeighted, Combine(testing::Range(CV_8U, CV_USRTYPE1), testing::Range(1, 5), Bool())); // +

#endif // HAVE_OPENCL