Changeset 1141:c3a7ca108705 in lemon

Timestamp:

05/06/12 16:46:14 (12 years ago)

Author:

Alpar Juttner <alpar@…>

Branch:

1.1

Parents:

1126:a30455cd0107 (diff), 1140:8d281761dea4 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Phase:

public

Message:

Merge bugfix #441 to branch 1.1

Files:

• lemon/bits/solver_bits.h (modified) (1 diff)
• lemon/bits/solver_bits.h (modified) (1 diff)
• lemon/clp.cc (modified) (1 diff)
• lemon/clp.cc (modified) (1 diff)
• lemon/cplex.cc (modified) (1 diff)
• lemon/cplex.cc (modified) (2 diffs)
• lemon/lp_base.h (modified) (1 diff)
• lemon/lp_base.h (modified) (28 diffs)
• test/lp_test.cc (modified) (1 diff)
• test/lp_test.cc (modified) (1 diff)

lemon/bits/solver_bits.h

@@ -45 +45 @@
       void clear() {
         first_item = -1;
+        last_item = -1;
         first_free_item = -1;
         items.clear();

lemon/bits/solver_bits.h

@@ -3 +3 @@
  * This file is a part of LEMON, a generic C++ optimization library.
  *
- * Copyright (C) 2003-2008
+ * Copyright (C) 2003-2011
  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
  * (Egervary Research Group on Combinatorial Optimization, EGRES).

lemon/clp.cc

@@ -425 +425 @@
     delete _prob;
     _prob = new ClpSimplex();
-    rows.clear();
-    cols.clear();
     _col_names_ref.clear();
     _clear_temporals();

lemon/clp.cc

@@ -3 +3 @@
  * This file is a part of LEMON, a generic C++ optimization library.
  *
- * Copyright (C) 2003-2008
+ * Copyright (C) 2003-2011
  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
  * (Egervary Research Group on Combinatorial Optimization, EGRES).

lemon/cplex.cc

@@ -438 +438 @@
     int status;
     _prob = CPXcreateprob(cplexEnv(), &status, "Cplex problem");
-    rows.clear();
-    cols.clear();
   }
 

lemon/cplex.cc

@@ -3 +3 @@
  * This file is a part of LEMON, a generic C++ optimization library.
  *
- * Copyright (C) 2003-2009
+ * Copyright (C) 2003-2011
  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
  * (Egervary Research Group on Combinatorial Optimization, EGRES).
@@ -455 +455 @@
 
   void CplexBase::_applyMessageLevel() {
-    CPXsetintparam(cplexEnv(), CPX_PARAM_SCRIND, 
+    CPXsetintparam(cplexEnv(), CPX_PARAM_SCRIND,
                    _message_enabled ? CPX_ON : CPX_OFF);
   }

lemon/lp_base.h

@@ -1543 +1543 @@
 
     ///Clears the problem
-    void clear() { _clear(); }
+    void clear() { _clear(); rows.clear(); cols.clear(); }
 
     /// Sets the message level of the solver

lemon/lp_base.h

@@ -3 +3 @@
  * This file is a part of LEMON, a generic C++ optimization library.
  *
- * Copyright (C) 2003-2008
+ * Copyright (C) 2003-2011
  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
  * (Egervary Research Group on Combinatorial Optimization, EGRES).
@@ -83 +83 @@
       MESSAGE_VERBOSE
     };
-    
+
 
     ///The floating point type used by the solver
@@ -115 +115 @@
       typedef True LpCol;
       /// Default constructor
-      
+
       /// \warning The default constructor sets the Col to an
       /// undefined value.
       Col() {}
       /// Invalid constructor \& conversion.
-      
+
       /// This constructor initializes the Col to be invalid.
-      /// \sa Invalid for more details.      
+      /// \sa Invalid for more details.
       Col(const Invalid&) : _id(-1) {}
       /// Equality operator
@@ -157 +157 @@
     public:
       /// Default constructor
-      
+
       /// \warning The default constructor sets the iterator
       /// to an undefined value.
       ColIt() {}
       /// Sets the iterator to the first Col
-      
+
       /// Sets the iterator to the first Col.
       ///
@@ -170 +170 @@
       }
       /// Invalid constructor \& conversion
-      
+
       /// Initialize the iterator to be invalid.
       /// \sa Invalid for more details.
       ColIt(const Invalid&) : Col(INVALID) {}
       /// Next column
-      
+
       /// Assign the iterator to the next column.
       ///
@@ -210 +210 @@
       typedef True LpRow;
       /// Default constructor
-      
+
       /// \warning The default constructor sets the Row to an
       /// undefined value.
       Row() {}
       /// Invalid constructor \& conversion.
-      
+
       /// This constructor initializes the Row to be invalid.
-      /// \sa Invalid for more details.      
+      /// \sa Invalid for more details.
       Row(const Invalid&) : _id(-1) {}
       /// Equality operator
@@ -225 +225 @@
       bool operator==(Row r) const  {return _id == r._id;}
       /// Inequality operator
-      
+
       /// \sa operator==(Row r)
       ///
@@ -252 +252 @@
     public:
       /// Default constructor
-      
+
       /// \warning The default constructor sets the iterator
       /// to an undefined value.
       RowIt() {}
       /// Sets the iterator to the first Row
-      
+
       /// Sets the iterator to the first Row.
       ///
@@ -265 +265 @@
       }
       /// Invalid constructor \& conversion
-      
+
       /// Initialize the iterator to be invalid.
       /// \sa Invalid for more details.
       RowIt(const Invalid&) : Row(INVALID) {}
       /// Next row
-      
+
       /// Assign the iterator to the next row.
       ///
@@ -348 +348 @@
       typedef True SolverExpr;
       /// Default constructor
-      
+
       /// Construct an empty expression, the coefficients and
       /// the constant component are initialized to zero.
@@ -449 +449 @@
 
       ///Iterator over the expression
-      
-      ///The iterator iterates over the terms of the expression. 
-      /// 
+
+      ///The iterator iterates over the terms of the expression.
+      ///
       ///\code
       ///double s=0;
@@ -465 +465 @@
 
         /// Sets the iterator to the first term
-        
+
         /// Sets the iterator to the first term of the expression.
         ///
@@ -482 +482 @@
         const Value& operator*() const { return _it->second; }
         /// Next term
-        
+
         /// Assign the iterator to the next term.
         ///
@@ -494 +494 @@
 
       /// Const iterator over the expression
-      
-      ///The iterator iterates over the terms of the expression. 
-      /// 
+
+      ///The iterator iterates over the terms of the expression.
+      ///
       ///\code
       ///double s=0;
@@ -510 +510 @@
 
         /// Sets the iterator to the first term
-        
+
         /// Sets the iterator to the first term of the expression.
         ///
@@ -525 +525 @@
 
         /// Next term
-        
+
         /// Assign the iterator to the next term.
         ///
@@ -674 +674 @@
       typedef True SolverExpr;
       /// Default constructor
-      
+
       /// Construct an empty expression, the coefficients are
       /// initialized to zero.
@@ -709 +709 @@
       }
       /// \brief Removes the coefficients which's absolute value does
-      /// not exceed \c epsilon. 
+      /// not exceed \c epsilon.
       void simplify(Value epsilon = 0.0) {
         std::map<int, Value>::iterator it=comps.begin();
@@ -758 +758 @@
 
       ///Iterator over the expression
-      
-      ///The iterator iterates over the terms of the expression. 
-      /// 
+
+      ///The iterator iterates over the terms of the expression.
+      ///
       ///\code
       ///double s=0;
@@ -774 +774 @@
 
         /// Sets the iterator to the first term
-        
+
         /// Sets the iterator to the first term of the expression.
         ///
@@ -792 +792 @@
 
         /// Next term
-        
+
         /// Assign the iterator to the next term.
         ///
@@ -804 +804 @@
 
       ///Iterator over the expression
-      
-      ///The iterator iterates over the terms of the expression. 
-      /// 
+
+      ///The iterator iterates over the terms of the expression.
+      ///
       ///\code
       ///double s=0;
@@ -820 +820 @@
 
         /// Sets the iterator to the first term
-        
+
         /// Sets the iterator to the first term of the expression.
         ///
@@ -835 +835 @@
 
         /// Next term
-        
+
         /// Assign the iterator to the next term.
         ///
@@ -1804 +1804 @@
     enum VarStatus {
       /// The variable is in the basis
-      BASIC, 
+      BASIC,
       /// The variable is free, but not basic
       FREE,
-      /// The variable has active lower bound 
+      /// The variable has active lower bound
       LOWER,
       /// The variable has active upper bound
@@ -1886 +1886 @@
     }
     /// Returns a component of the primal ray
-    
+
     /// The primal ray is solution of the modified primal problem,
     /// where we change each finite bound to 0, and we looking for a
@@ -1920 +1920 @@
 
     /// Returns a component of the dual ray
-    
+
     /// The dual ray is solution of the modified primal problem, where
     /// we change each finite bound to 0 (i.e. the objective function
@@ -2062 +2062 @@
     }
     ///The value of the objective function
-    
+
     ///\return
     ///- \ref INF or -\ref INF means either infeasibility or unboundedness

test/lp_test.cc

@@ -42 +42 @@
 using namespace lemon;
 
+int countCols(LpBase & lp) {
+  int count=0;
+  for (LpBase::ColIt c(lp); c!=INVALID; ++c) ++count;
+  return count;
+}
+
+int countRows(LpBase & lp) {
+  int count=0;
+  for (LpBase::RowIt r(lp); r!=INVALID; ++r) ++count;
+  return count;
+}
+
+
 void lpTest(LpSolver& lp)
 {
 
   typedef LpSolver LP;
+
+  // Test LpBase::clear()
+  check(countRows(lp)==0, "Wrong number of rows");
+  check(countCols(lp)==0, "Wrong number of cols");
+  lp.addCol(); lp.addRow(); lp.addRow();
+  check(countRows(lp)==2, "Wrong number of rows");
+  check(countCols(lp)==1, "Wrong number of cols");
+  lp.clear();
+  check(countRows(lp)==0, "Wrong number of rows");
+  check(countCols(lp)==0, "Wrong number of cols");
+  lp.addCol(); lp.addCol(); lp.addCol(); lp.addRow();
+  check(countRows(lp)==1, "Wrong number of rows");
+  check(countCols(lp)==3, "Wrong number of cols");
+  lp.clear();
 
   std::vector<LP::Col> x(10);

test/lp_test.cc

@@ -3 +3 @@
  * This file is a part of LEMON, a generic C++ optimization library.
  *
- * Copyright (C) 2003-2009
+ * Copyright (C) 2003-2011
  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
  * (Egervary Research Group on Combinatorial Optimization, EGRES).