gamma_type
void gamma(const gamma_type& g) { m_gamma = &g; }
const gamma_type* m_gamma;
void gamma(const gamma_type& g) { m_gamma = &g; }
void gamma(const gamma_type& g) { m_gamma = &g; }
void gamma(const gamma_type& g) { m_gamma = &g; }
void gamma(const gamma_type& g) { m_gamma = &g; }
void gamma(const gamma_type& g) { m_gamma = &g; }
void gamma(const gamma_type& g) { m_gamma = &g; }