Changeset 1432:46b088b01f88 in lemon-0.x

Timestamp:

05/20/05 11:43:40 (20 years ago)

Author:

athos

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1906

Message:

Functions _eraseRow(), _eraseCol(). Not yet implemented for cplex.

Location:

src/lemon

Files:

• lp_cplex.cc (modified) (1 diff)
• lp_cplex.h (modified) (1 diff)
• lp_glpk.cc (modified) (1 diff)
• lp_glpk.h (modified) (1 diff)
• lp_skeleton.cc (modified) (1 diff)
• lp_skeleton.h (modified) (1 diff)

src/lemon/lp_cplex.cc

@@ -96 +96 @@
     return i;
   }
+
+
+  void LpCplex::_eraseCol(int i) {
+    ///\todo Not implemented yet
+  }
+  
+  void LpCplex::_eraseRow(int i) {
+    ///\todo Not implemented yet
+  }
+
   
   ///\warning Data at index 0 is ignored in the arrays.

src/lemon/lp_cplex.h

@@ -56 +56 @@
     virtual int _addCol();
     virtual int _addRow();
+    virtual void _eraseCol(int i);
+    virtual void _eraseRow(int i);
     virtual void _setRowCoeffs(int i, 
                                int length,

src/lemon/lp_glpk.cc

@@ -69 +69 @@
 
   
+  void LpGlpk::_eraseCol(int i) {
+    int cols[2];
+    cols[1]=i;
+    lpx_del_cols(lp, 1, cols);
+  }
+  
+  void LpGlpk::_eraseRow(int i) {
+    int rows[2];
+    rows[1]=i;
+    lpx_del_rows(lp, 1, rows);
+  }
+
   void LpGlpk::_setRowCoeffs(int i, 
                              int length,

src/lemon/lp_glpk.h

@@ -51 +51 @@
     virtual int _addCol();
     virtual int _addRow();
+    virtual void _eraseCol(int i);
+    virtual void _eraseRow(int i);
+
     virtual void _setRowCoeffs(int i, 
                                int length,

src/lemon/lp_skeleton.cc

@@ -44 +44 @@
   }
   
+  void LpSkeleton::_eraseCol(int ) {
+  }
+  
+  void LpSkeleton::_eraseRow(int) {
+  }
+
   void LpSkeleton::_setRowCoeffs(int, 
                                  int,

src/lemon/lp_skeleton.h

@@ -38 +38 @@
     /// \e
     virtual int _addRow();
+    /// \e
+    virtual void _eraseCol(int i);
+    /// \e
+    virtual void _eraseRow(int i);
     /// \e