public static extern void set_improve(int lp, lpsolve_improves improve);
public static extern void set_improve(IntPtr lp, lpsolve_improves improve);
[DllImport("lpsolve55.dll", SetLastError = true)] public static extern void set_improve(int lp, lpsolve_improves improve);
public void set_improve(lpsolve_improves improve) { Interop.set_improve(_lp, improve); }
[DllImport("lpsolve55.dll", SetLastError=true)] public static extern void set_improve(int lp, lpsolve_improves improve);