/*M///////////////////////////////////////////////////////////////////////////////////////
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//                           License Agreement
//                For Open Source Computer Vision Library
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// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
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// @Authors
//    Peng Xiao, pengxiao@multicorewareinc.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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#include "test_precomp.hpp"

using namespace std;

////////////////////////////////////////////////////////////////////////////
// GEMM

PARAM_TEST_CASE(Gemm, int, cv::Size, int)
{
    int      type;
    cv::Size mat_size;
    int		 flags;

    virtual void SetUp()
    {
        type     = GET_PARAM(0);
        mat_size = GET_PARAM(1);
        flags    = GET_PARAM(2);
    }
};

OCL_TEST_P(Gemm, Accuracy)
{
    cv::Mat a = randomMat(mat_size, type, 0.0, 10.0);
    cv::Mat b = randomMat(mat_size, type, 0.0, 10.0);
    cv::Mat c = randomMat(mat_size, type, 0.0, 10.0);

    cv::Mat dst;
    cv::ocl::oclMat ocl_dst;

    cv::gemm(a, b, 1.0, c, 1.0, dst, flags);
    cv::ocl::gemm(cv::ocl::oclMat(a), cv::ocl::oclMat(b), 1.0, cv::ocl::oclMat(c), 1.0, ocl_dst, flags);

    EXPECT_MAT_NEAR(dst, ocl_dst, mat_size.area() * 1e-4);
}

INSTANTIATE_TEST_CASE_P(ocl_gemm, Gemm, testing::Combine(
                            testing::Values(CV_32FC1, CV_32FC2/*, CV_64FC1, CV_64FC2*/),
                            testing::Values(cv::Size(20, 20), cv::Size(300, 300)),
                            testing::Values(0, (int)cv::GEMM_1_T, (int)cv::GEMM_2_T, (int)(cv::GEMM_1_T + cv::GEMM_2_T))));