-void lmm_solve(lmm_system_t sys);
-void sdp_solve(lmm_system_t sys);
-#endif /* _SURF_MAXMIN_H */
+
+XBT_PUBLIC(void) lmm_solve(lmm_system_t sys);
+
+XBT_PUBLIC(void) lagrange_solve(lmm_system_t sys);
+XBT_PUBLIC(void) bottleneck_solve(lmm_system_t sys);
+
+/**
+ * Default functions associated to the chosen protocol. When
+ * using the lagrangian approach.
+ */
+
+XBT_PUBLIC(void) lmm_set_default_protocol_function(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));
+
+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);
+
+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);
+
+
+#endif /* _SURF_MAXMIN_H */