1    	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2    	/*                                                                           */
3    	/*                  This file is part of the class library                   */
4    	/*       SoPlex --- the Sequential object-oriented simPlex.                  */
5    	/*                                                                           */
6    	/*  Copyright (c) 1996-2023 Zuse Institute Berlin (ZIB)                      */
7    	/*                                                                           */
8    	/*  Licensed under the Apache License, Version 2.0 (the "License");          */
9    	/*  you may not use this file except in compliance with the License.         */
10   	/*  You may obtain a copy of the License at                                  */
11   	/*                                                                           */
12   	/*      http://www.apache.org/licenses/LICENSE-2.0                           */
13   	/*                                                                           */
14   	/*  Unless required by applicable law or agreed to in writing, software      */
15   	/*  distributed under the License is distributed on an "AS IS" BASIS,        */
16   	/*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
17   	/*  See the License for the specific language governing permissions and      */
18   	/*  limitations under the License.                                           */
19   	/*                                                                           */
20   	/*  You should have received a copy of the Apache-2.0 license                */
21   	/*  along with SoPlex; see the file LICENSE. If not email to soplex@zib.de.  */
22   	/*                                                                           */
23   	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24   	
25   	
26   	/**@file  spxsteepexpr.h
27   	 * @brief Steepest edge pricer with exact initialization of weights.
28   	 */
29   	#ifndef _SPXSTEEPEXPR_H_
30   	#define _SPXSTEEPEXPR_H_
31   	
32   	
33   	#include <assert.h>
34   	
35   	#include "soplex/spxdefines.h"
36   	#include "soplex/spxsteeppr.h"
37   	
38   	namespace soplex
39   	{
40   	
41   	/**@brief   Steepest edge pricer.
42   	   @ingroup Algo
43   	
44   	   Class SPxSteepExPR implements a steepest edge pricer to be used with
45   	   SoPlex. Exact initialization of weights is used.
46   	
47   	   See SPxPricer for a class documentation.
48   	*/
49   	template <class R>
50   	class SPxSteepExPR : public SPxSteepPR<R>
51   	{
52   	
53   	public:
54   	
55   	   //-------------------------------------
56   	   /**@name Construction / destruction */
57   	   ///@{
58   	   ///
59   	   SPxSteepExPR()
60   	      : SPxSteepPR<R>("SteepEx", SPxSteepPR<R>::EXACT)
61   	   {
62   	      assert(this->isConsistent());
63   	   }
64   	   /// copy constructor
65   	   SPxSteepExPR(const SPxSteepExPR& old)
66   	      : SPxSteepPR<R>(old)
67   	   {
68   	      assert(this->isConsistent());
69   	   }
70   	   /// assignment operator
71   	   SPxSteepExPR& operator=(const SPxSteepExPR& rhs)
72   	   {
73   	      if(this != &rhs)
74   	      {
75   	         SPxSteepPR<R>::operator=(rhs);
76   	
77   	         assert(this->isConsistent());
78   	      }
79   	
80   	      return *this;
81   	   }
82   	   /// destructor
83   	   virtual ~SPxSteepExPR()
84   	   {}
85   	   /// clone function for polymorphism
86   	   inline virtual SPxSteepPR<R>* clone()  const
87   	   {
88   	      return new SPxSteepExPR(*this);
89   	   }
90   	   ///@}
91   	};
92   	
93   	} // namespace soplex
94   	
95   	#include "spxsteeppr.hpp"
96   	
97   	#endif // _SPXSTEEPPR_H_
98