-void lmm_set_default_protocol_functions(double (* func_f) (lmm_variable_t var, double x),
- double (* func_fp) (lmm_variable_t var, double x),
- double (* func_fpi) (lmm_variable_t var, double x),
- double (* func_fpip) (lmm_variable_t var, double x));
+XBT_PUBLIC(double func_reno_f) (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_reno_fp) (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_reno_fpi) (lmm_variable_t var, double x);