Changeset - r930:d2bc45e8f6f2
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deba@inf.elte.hu
deba@inf.elte.hu
Merge bugfix #337
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1 file changed with 23 insertions and 12 deletions:
lemon/glpk.h
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lemon/glpk.h
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#include <lemon/lp_base.h>


			




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// forward declaration


			




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#if !defined _GLP_PROB && !defined GLP_PROB


			




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#define _GLP_PROB


			




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#define GLP_PROB


			




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typedef struct { double _opaque_prob; } glp_prob;


			




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/* LP/MIP problem object */


			




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#endif


			




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namespace lemon {


			




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  namespace _solver_bits {


			




	
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    class VoidPtr {


			




	
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    private:


			




	
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      void *_ptr;      


			




	
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    public:


			




	
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      VoidPtr() : _ptr(0) {}


			




	
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      template <typename T>


			




	
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      VoidPtr(T* ptr) : _ptr(reinterpret_cast<void*>(ptr)) {}


			




	
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      template <typename T>


			




	
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      VoidPtr& operator=(T* ptr) { 


			




	
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        _ptr = reinterpret_cast<void*>(ptr); 


			




	
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        return *this;


			




	
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      }


			




	
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      template <typename T>


			




	
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      operator T*() const { return reinterpret_cast<T*>(_ptr); }


			




	
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    };


			




	
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  }


			




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  /// \brief Base interface for the GLPK LP and MIP solver


			




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  ///


			




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@@ -43,8 +55,7 @@


			




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  class GlpkBase : virtual public LpBase {


			




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  protected:


			




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    typedef glp_prob LPX;


			




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    glp_prob* lp;


			




	
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    _solver_bits::VoidPtr lp;


			




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    GlpkBase();


			




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    GlpkBase(const GlpkBase&);


			




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@@ -123,9 +134,9 @@


			




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  public:


			




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    ///Pointer to the underlying GLPK data structure.


			




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    LPX *lpx() {return lp;}


			




	
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    _solver_bits::VoidPtr lpx() {return lp;}


			




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    ///Const pointer to the underlying GLPK data structure.


			




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    const LPX *lpx() const {return lp;}


			




	
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    _solver_bits::VoidPtr lpx() const {return lp;}


			




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    ///Returns the constraint identifier understood by GLPK.


			




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    int lpxRow(Row r) const { return rows(id(r)); }


			




        

    






    
    



    


    

     
    
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