OpenCV/opencv/modules/core/perf/perf_cvround.cpp

#include "perf_precomp.hpp"

namespace opencv_test
{
using namespace perf;

#define DECL_ROUND_TEST(NAME, OP, EXTRA) \
    template <typename T>                                          \
    static void OP ## Mat(const cv::Mat & src, cv::Mat & dst)      \
    {                                                              \
        for (int y = 0; y < dst.rows; ++y)                         \
        {                                                          \
            const T * sptr = src.ptr<T>(y);                        \
            int * dptr = dst.ptr<int>(y);                          \
                                                                   \
            for (int x = 0; x < dst.cols; ++x)                     \
                dptr[x] = OP(sptr[x]) EXTRA;                       \
        }                                                          \
    }                                                              \
                                                                   \
    PERF_TEST_P(Size_MatType, CvRound_Float ## NAME,               \
            testing::Combine(testing::Values(TYPICAL_MAT_SIZES),   \
                             testing::Values(CV_32FC1, CV_64FC1))) \
    {                                                              \
        Size size = get<0>(GetParam());                            \
        int type = get<1>(GetParam()), depth = CV_MAT_DEPTH(type); \
                                                                   \
        cv::Mat src(size, type), dst(size, CV_32SC1);              \
                                                                   \
        declare.in(src, WARMUP_RNG).out(dst);                      \
                                                                   \
        if (depth == CV_32F)                                       \
        {                                                          \
            TEST_CYCLE()                                           \
                OP ## Mat<float>(src, dst);                        \
        }                                                          \
        else if (depth == CV_64F)                                  \
        {                                                          \
            TEST_CYCLE()                                           \
                OP ## Mat<double>(src, dst);                       \
        }                                                          \
                                                                   \
        SANITY_CHECK_NOTHING();                                    \
    }

DECL_ROUND_TEST(,cvRound,)
DECL_ROUND_TEST(_Ceil,cvCeil,)
DECL_ROUND_TEST(_Floor,cvFloor,)

/* For FP classification tests, try to test them in way which uses
   branching logic and avoids extra FP logic. */
DECL_ROUND_TEST(_NaN,cvIsNaN, ? 1 : 2)
DECL_ROUND_TEST(_Inf,cvIsInf, ? 1 : 2)

} // namespace