-double func_vegas_f (lmm_variable_t var, double x);
-double func_vegas_fp (lmm_variable_t var, double x);
-double func_vegas_fpi(lmm_variable_t var, double x);
+XBT_PUBLIC(double func_vegas_f) (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_vegas_fp) (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_vegas_fpi)(lmm_variable_t var, double x);