-double func_reno_f (lmm_variable_t var, double x);
-double func_reno_fp (lmm_variable_t var, double x);
-double func_reno_fpi(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);
+
+XBT_PUBLIC(double func_reno2_f) (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_reno2_fp) (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_reno2_fpi)(lmm_variable_t var, double x);