Function cvReleaseMat

deps/opencv/modules/core/src/array.cpp:179–197

Deallocates the CvMat structure and underlying data

// Deallocates the CvMat structure and underlying data
CV_IMPL void
cvReleaseMat( CvMat** array )
{
    if( !array )
        CV_Error( CV_HeaderIsNull, "" );

    if( *array )
    {
        CvMat* arr = *array;

        if( !CV_IS_MAT_HDR_Z(arr) && !CV_IS_MATND_HDR(arr) )
            CV_Error( CV_StsBadFlag, "" );

        *array = 0;

        cvDecRefData( arr );
        cvFree( &arr );
    }
}


// Creates a copy of matrix