Changeset 1312:48f9299b390d in lemon-0.x for src/lemon/lp_base.h

Timestamp:

04/07/05 08:31:03 (19 years ago)

Author:

Alpar Juttner

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1751

Message:

max() [_setMax()], min() [_setMin()], primalValue() [_getPrimalValue()] added

File:

• src/lemon/lp_base.h (modified) (5 diffs)

src/lemon/lp_base.h

@@ -393 +393 @@
     virtual SolveExitStatus _solve() = 0;
     virtual Value _getPrimal(int i) = 0;
-    virtual SolutionStatus _getPrimalType() = 0;
-
+    virtual Value _getPrimalValue() = 0;
+    virtual SolutionStatus _getPrimalStatus() = 0;
+    virtual void _setMax() = 0;
+    virtual void _setMin() = 0;
+    
 
     void clearObj() {}
@@ -428 +431 @@
     ///like
     ///\code
-    ///std::map<AnyType,LpSolverBase::Col>
+    ///std::map<AnyStatus,LpSolverBase::Col>
     ///\endcode
     ///- an iterable lemon \ref concept::WriteMap "write map" like 
@@ -607 +610 @@
     }
 
+    ///Maximize
+    void max() { _setMax(); }
+    ///Minimize
+    void min() { _setMin(); }
+
+    
     ///@}
 
@@ -624 +633 @@
 
     ///\e
-    SolutionStatus primalType() {
-      return _getPrimalType();
+    SolutionStatus primalStatus() {
+      return _getPrimalStatus();
     }
 
@@ -631 +640 @@
     Value primal(Col c) { return _getPrimal(cols.floatingId(c.id)); }
 
+    ///\e
+
+    ///\return
+    ///- \ref INF or -\ref INF means either infeasibility or unboundedness
+    /// of the primal problem, depending on whether we minimize or maximize.
+    ///- \ref NAN if no primal solution is found.
+    ///- The (finite) objective value if an optimal solution is found.
+    Value primalValue() { return _getPrimalValue();}
     ///@}