#define LJ_SIGMA SI_LC
#define LJ_SIGMA_02 (LJ_SIGMA*LJ_SIGMA)
#define LJ_SIGMA_06 (LJ_SIGMA_02*LJ_SIGMA_02*LJ_SIGMA_02)
#define LJ_SIGMA_12 (LJ_SIGMA_06*LJ_SIGMA_06)
#define LJ_SIGMA SI_LC
#define LJ_SIGMA_02 (LJ_SIGMA*LJ_SIGMA)
#define LJ_SIGMA_06 (LJ_SIGMA_02*LJ_SIGMA_02*LJ_SIGMA_02)
#define LJ_SIGMA_12 (LJ_SIGMA_06*LJ_SIGMA_06)