Changes in / [894:268a052c3043:901:91d50cfe924e] in lemon

File:

• lemon/glpk.h (modified) (3 diffs)

lemon/glpk.h

@@ -26 +26 @@
 #include <lemon/lp_base.h>
 
-// forward declaration
-#if !defined _GLP_PROB && !defined GLP_PROB
-#define _GLP_PROB
-#define GLP_PROB
-typedef struct { double _opaque_prob; } glp_prob;
-/* LP/MIP problem object */
-#endif
-
 namespace lemon {
 
+  namespace _solver_bits {
+    class VoidPtr {
+    private:
+      void *_ptr;      
+    public:
+      VoidPtr() : _ptr(0) {}
+
+      template <typename T>
+      VoidPtr(T* ptr) : _ptr(reinterpret_cast<void*>(ptr)) {}
+
+      template <typename T>
+      VoidPtr& operator=(T* ptr) { 
+        _ptr = reinterpret_cast<void*>(ptr); 
+        return *this;
+      }
+
+      template <typename T>
+      operator T*() const { return reinterpret_cast<T*>(_ptr); }
+    };
+  }
 
   /// \brief Base interface for the GLPK LP and MIP solver
@@ -44 +56 @@
   protected:
 
-    typedef glp_prob LPX;
-    glp_prob* lp;
+    _solver_bits::VoidPtr lp;
 
     GlpkBase();
@@ -123 +134 @@
 
     ///Pointer to the underlying GLPK data structure.
-    LPX *lpx() {return lp;}
+    _solver_bits::VoidPtr lpx() {return lp;}
     ///Const pointer to the underlying GLPK data structure.
-    const LPX *lpx() const {return lp;}
+    _solver_bits::VoidPtr lpx() const {return lp;}
 
     ///Returns the constraint identifier understood by GLPK.