CReactNode * copyTree ( CReactNode * node )

CReactNode * copyTree ( CReactNode * node )
 {
    if ( node -> m_L == NULL && node -> m_R == NULL )
        return new CReactNode (node -> m_Product, node -> m_Energy, NULL, NULL);
    return new CReactNode (node -> m_Product, node -> m_Energy, copyTree (node -> m_L), copyTree (node -> m_R));
 }