- lmm_variable_t R_1_2_3 = NULL;
- lmm_variable_t R_1 = NULL;
- lmm_variable_t R_2 = NULL;
- lmm_variable_t R_3 = NULL;
+ lmm_variable_t R_1_2_3 = nullptr;
+ lmm_variable_t R_1 = nullptr;
+ lmm_variable_t R_2 = nullptr;
+ lmm_variable_t R_3 = nullptr;