opencv/modules/core/perf/perf_math.cpp

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#include "perf_precomp.hpp"
using namespace std;
using namespace cv;
using namespace perf;
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(200) cv::phase(X, Y, angle, true);
SANITY_CHECK(angle);
}