Function cvSum

deps/opencv/modules/core/src/stat.cpp:2612–2625

CV_IMPL CvScalar cvSum( const CvArr* srcarr )
{
    cv::Scalar sum = cv::sum(cv::cvarrToMat(srcarr, false, true, 1));
    if( CV_IS_IMAGE(srcarr) )
    {
        int coi = cvGetImageCOI((IplImage*)srcarr);
        if( coi )
        {
            CV_Assert( 0 < coi && coi <= 4 );
            sum = cv::Scalar(sum[coi-1]);
        }
    }
    return sum;
}

CV_IMPL int cvCountNonZero( const CvArr* imgarr )
{