opencv/modules/core/perf/perf_dot.cpp

#include "perf_precomp.hpp"

using namespace std;
using namespace cv;
using namespace perf;
using std::tr1::make_tuple;
using std::tr1::get;

typedef tr1::tuple<MatType, int> MatType_Length_t;
typedef TestBaseWithParam<MatType_Length_t> MatType_Length;

PERF_TEST_P( MatType_Length, dot,
             testing::Combine(
                 testing::Values( CV_8UC1, CV_32SC1, CV_32FC1 ),
                 testing::Values( 32, 64, 128, 256, 512, 1024 )
                 ))
{
    int type = get<0>(GetParam());
    int size = get<1>(GetParam());
    Mat a(size, size, type);
    Mat b(size, size, type);

    declare.in(a, b, WARMUP_RNG);
    declare.time(100);

    double product;

    TEST_CYCLE_N(1000) product = a.dot(b);

    SANITY_CHECK(product, 1e-6, ERROR_RELATIVE);
}