Consider the CPXMIP_OPTIMAL_TOL status as OPTIMAL too.
1.1 --- a/lemon/mip_cplex.cc Fri Aug 24 14:32:55 2007 +0000
1.2 +++ b/lemon/mip_cplex.cc Sat Aug 25 10:12:03 2007 +0000
1.3 @@ -93,6 +93,10 @@
1.4 switch (stat)
1.5 {
1.6 case CPXMIP_OPTIMAL:
1.7 + // Optimal integer solution has been found.
1.8 + case CPXMIP_OPTIMAL_TOL:
1.9 + // Optimal soluton with the tolerance defined by epgap or epagap has
1.10 + // been found.
1.11 return OPTIMAL;
1.12 //This also exists in later issues
1.13 // case CPXMIP_UNBOUNDED: