Changeset 1436:e0beb94d08bf in lemon-0.x for lemon/lp_base.h

Timestamp:

05/26/05 14:16:16 (19 years ago)

Author:

athos

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1910

Message:

_copyLp(), _newLp() implemented.

File:

• lemon/lp_base.h (modified) (2 diffs)

lemon/lp_base.h

@@ -418 +418 @@
     //Abstract virtual functions
     virtual LpSolverBase &_newLp() = 0;
-    virtual LpSolverBase &_copyLp() = 0;
+    virtual LpSolverBase &_copyLp(){
+      ///\todo This should be implemented here, too,  when we have problem retrieving routines. It can be overriden.
+
+      //Starting:
+      LpSolverBase & newlp(_newLp());
+      return newlp;
+      //return *(LpSolverBase*)0;
+    };
 
     virtual int _addCol() = 0;
@@ -609 +616 @@
     }
 
+    ///Set an element of the coefficient matrix of the LP
+
+    ///\param r is the row of the element to be modified
+    ///\param c is the coloumn of the element to be modified
+    ///\param val is the new value of the coefficient
+    void setCoeff(Row r, Col c, Value val){
+      _setCoeff(rows.floatingId(r.id),cols.floatingId(c.id), val);
+    }
+
     /// Set the lower bound of a column (i.e a variable)