Function cvSetZero

deps/opencv/modules/core/src/copy.cpp:592–605

}

CV_IMPL void
cvSetZero( CvArr* arr )
{
    if( CV_IS_SPARSE_MAT(arr) )
    {
        CvSparseMat* mat1 = (CvSparseMat*)arr;
        cvClearSet( mat1->heap );
        if( mat1->hashtable )
            memset( mat1->hashtable, 0, mat1->hashsize*sizeof(mat1->hashtable[0]));
        return;
    }
    cv::Mat m = cv::cvarrToMat(arr);
    m = cv::Scalar(0);
}

CV_IMPL void
cvFlip( const CvArr* srcarr, CvArr* dstarr, int flip_mode )