Changeset 1405:3626c7f10f14 in lemon-0.x for src/lemon/lp_cplex.cc

Timestamp:

05/05/05 17:43:43 (19 years ago)

Author:

athos

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1867

Message:

Deleted _setRowLowerBound() and _setRowUpperBound() functions. Cplex worked (now it does not because of _getPrimalStatus()).

File:

• src/lemon/lp_cplex.cc (modified) (7 diffs)

src/lemon/lp_cplex.cc

@@ -15 +15 @@
  *
  */
-
-#include"lp_cplex.h"
+#include <iostream>
+#include<lemon/lp_cplex.h>
 
 ///\file
@@ -66 +66 @@
   }
   
-  LpSolverBase &LpCplex::_newLp() {return *(LpSolverBase*)0;}
-  LpSolverBase &LpCplex::_copyLp() {return *(LpSolverBase*)0;}
+  LpSolverBase &LpCplex::_newLp() 
+  {
+    return *(LpSolverBase*)0;
+  }
+  LpSolverBase &LpCplex::_copyLp() {
+    return *(LpSolverBase*)0;
+    //Ez lesz majd CPXcloneprob (env, lp, &status);
+  }
 
   int LpCplex::_addCol()
@@ -156 +162 @@
       //FIXME error
     }
-
+    
     int cnt=1;
     int indices[1];
@@ -166 +172 @@
       CPXchgsense (env, lp, cnt, indices, sense);
       CPXchgcoef (env, lp, i, -1, ub);
+      
     }
     else{
@@ -189 +196 @@
   }
 
-  void LpCplex::_setRowLowerBound(int i, Value value)
-  {
-    //Not implemented, obsolete
-  }
-  
-  void LpCplex::_setRowUpperBound(int i, Value value)
-  {
-    //Not implemented, obsolete
-//     //TODO Ezt kell meg megirni
-//     //type of the problem
-//     char sense[1];
-//     status = CPXgetsense (env, lp, sense, i, i);
-//     Value rhs[1];
-//     status = CPXgetrhs (env, lp, rhs, i, i);
-
-//     switch (sense[0]) {
-//     case 'L'://<= constraint
-//       break;
-//     case 'E'://= constraint
-//       break;
-//     case 'G'://>= constraint
-//       break;
-//     case 'R'://ranged constraint
-//       break;
-//     default: ;
-//       //FIXME error
-//     }
-
-//     status = CPXchgcoef (env, lp, i, -2, value_rng);
-  }
+//   void LpCplex::_setRowLowerBound(int i, Value value)
+//   {
+//     //Not implemented, obsolete
+//   }
+  
+//   void LpCplex::_setRowUpperBound(int i, Value value)
+//   {
+//     //Not implemented, obsolete
+// //     //TODO Ezt kell meg megirni
+// //     //type of the problem
+// //     char sense[1];
+// //     status = CPXgetsense (env, lp, sense, i, i);
+// //     Value rhs[1];
+// //     status = CPXgetrhs (env, lp, rhs, i, i);
+
+// //     switch (sense[0]) {
+// //     case 'L'://<= constraint
+// //       break;
+// //     case 'E'://= constraint
+// //       break;
+// //     case 'G'://>= constraint
+// //       break;
+// //     case 'R'://ranged constraint
+// //       break;
+// //     default: ;
+// //       //FIXME error
+// //     }
+
+// //     status = CPXchgcoef (env, lp, i, -2, value_rng);
+//   }
   
   void LpCplex::_setObjCoeff(int i, Value obj_coef)
@@ -255 +262 @@
   LpCplex::SolutionStatus LpCplex::_getPrimalStatus()
   {
+// CPX_STAT_ABORT_DUAL_OBJ_LIM
+// CPX_STAT_ABORT_IT_LIM
+// CPX_STAT_ABORT_OBJ_LIM
+// CPX_STAT_ABORT_PRIM_OBJ_LIM
+// CPX_STAT_ABORT_TIME_LIM
+// CPX_STAT_ABORT_USER
+// CPX_STAT_FEASIBLE_RELAXED
+// CPX_STAT_INFEASIBLE
+// CPX_STAT_INForUNBD
+// CPX_STAT_NUM_BEST
+// CPX_STAT_OPTIMAL
+// CPX_STAT_OPTIMAL_FACE_UNBOUNDED
+// CPX_STAT_OPTIMAL_INFEAS
+// CPX_STAT_OPTIMAL_RELAXED
+// CPX_STAT_UNBOUNDED
+
     //Unimplemented
-    return OPTIMAL;
-//     int stat=  lpx_get_status(lp);
-//     switch (stat) {
-//     case LPX_UNDEF://Undefined (no solve has been run yet)
-//       return UNDEFINED;
-//       break;
-//     case LPX_NOFEAS://There is no feasible solution (primal, I guess)
-//     case LPX_INFEAS://Infeasible 
-//       return INFEASIBLE;
-//       break;
-//     case LPX_UNBND://Unbounded
-//       return INFINITE;
-//       break;
-//     case LPX_FEAS://Feasible
-//       return FEASIBLE;
-//       break;
-//     case LPX_OPT://Feasible
-//       return OPTIMAL;
-//       break;
-//     default:
-//       return UNDEFINED; //to avoid gcc warning
-//       //FIXME error
-//     }
+    int stat = CPXgetstat (env, lp);
+    switch (stat) {
+    case CPX_STAT_OPTIMAL://Optimal
+      return OPTIMAL;
+      break;
+    case CPX_STAT_INFEASIBLE://Infeasible 
+      return INFEASIBLE;
+      break;
+    case CPX_STAT_UNBOUNDED://Unbounded
+      return INFINITE;
+      break;
+    case CPX_STAT_NUM_BEST://Feasible
+      return FEASIBLE;
+      break;
+    default:
+      return UNDEFINED; //Everything else comes here
+      //FIXME error
+    }
   }
 
@@ -290 +308 @@
   LpCplex::Value LpCplex::_getPrimalValue()
   {
-    //Unimplemented
-    return 0;
+    Value objval;
+    //method = CPXgetmethod (env, lp);
+    status = CPXgetobjval (env, lp, &objval);
+    return objval;
   }