opencv/modules/core/perf/perf_math.cpp

#include "perf_precomp.hpp"

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

typedef perf::TestBaseWithParam<size_t> VectorLength;

PERF_TEST_P(VectorLength, phase32f, testing::Values(128, 1000, 128*1024, 512*1024, 1024*1024))
{
    int length = GetParam();
    vector<float> X(length);
    vector<float> Y(length);
    vector<float> angle(length);

    declare.in(X, Y, WARMUP_RNG).out(angle);

    TEST_CYCLE_N(200) cv::phase(X, Y, angle, true);

    SANITY_CHECK(angle, 5e-5);
}