int icvConvertPointSystem(CvPoint3D64f M2, CvPoint3D64f* M1, CvMatr64d rotMatr, CvMatr64d transVect) {
    void *fptr;
    int retval;

    fptr = dlsym(_Chcv_handle, "icvConvertPointSystem_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return -1;
    }
    dlrunfun(fptr, &retval, icvConvertPointSystem, M2, M1, rotMatr, transVect);
    return retval;
}
