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