| 1 | /* $Id: ClpPrimalColumnPivot.cpp 1665 2011-01-04 17:55:54Z lou $ */ |
| 2 | // Copyright (C) 2002, International Business Machines |
| 3 | // Corporation and others. All Rights Reserved. |
| 4 | // This code is licensed under the terms of the Eclipse Public License (EPL). |
| 5 | |
| 6 | #include "CoinPragma.hpp" |
| 7 | |
| 8 | #include "ClpSimplex.hpp" |
| 9 | #include "ClpPrimalColumnPivot.hpp" |
| 10 | |
| 11 | //############################################################################# |
| 12 | // Constructors / Destructor / Assignment |
| 13 | //############################################################################# |
| 14 | |
| 15 | //------------------------------------------------------------------- |
| 16 | // Default Constructor |
| 17 | //------------------------------------------------------------------- |
| 18 | ClpPrimalColumnPivot::ClpPrimalColumnPivot () : |
| 19 | model_(NULL), |
| 20 | type_(-1), |
| 21 | looksOptimal_(false) |
| 22 | { |
| 23 | |
| 24 | } |
| 25 | |
| 26 | //------------------------------------------------------------------- |
| 27 | // Copy constructor |
| 28 | //------------------------------------------------------------------- |
| 29 | ClpPrimalColumnPivot::ClpPrimalColumnPivot (const ClpPrimalColumnPivot & source) : |
| 30 | model_(source.model_), |
| 31 | type_(source.type_), |
| 32 | looksOptimal_(source.looksOptimal_) |
| 33 | { |
| 34 | |
| 35 | } |
| 36 | |
| 37 | //------------------------------------------------------------------- |
| 38 | // Destructor |
| 39 | //------------------------------------------------------------------- |
| 40 | ClpPrimalColumnPivot::~ClpPrimalColumnPivot () |
| 41 | { |
| 42 | |
| 43 | } |
| 44 | |
| 45 | //---------------------------------------------------------------- |
| 46 | // Assignment operator |
| 47 | //------------------------------------------------------------------- |
| 48 | ClpPrimalColumnPivot & |
| 49 | ClpPrimalColumnPivot::operator=(const ClpPrimalColumnPivot& rhs) |
| 50 | { |
| 51 | if (this != &rhs) { |
| 52 | type_ = rhs.type_; |
| 53 | model_ = rhs.model_; |
| 54 | looksOptimal_ = rhs.looksOptimal_; |
| 55 | } |
| 56 | return *this; |
| 57 | } |
| 58 | void |
| 59 | ClpPrimalColumnPivot::saveWeights(ClpSimplex * model, int ) |
| 60 | { |
| 61 | model_ = model; |
| 62 | } |
| 63 | // checks accuracy and may re-initialize (may be empty) |
| 64 | |
| 65 | void |
| 66 | ClpPrimalColumnPivot::updateWeights(CoinIndexedVector *) |
| 67 | { |
| 68 | } |
| 69 | |
| 70 | // Gets rid of all arrays |
| 71 | void |
| 72 | ClpPrimalColumnPivot::clearArrays() |
| 73 | { |
| 74 | } |
| 75 | /* Returns number of extra columns for sprint algorithm - 0 means off. |
| 76 | Also number of iterations before recompute |
| 77 | */ |
| 78 | int |
| 79 | ClpPrimalColumnPivot::numberSprintColumns(int & ) const |
| 80 | { |
| 81 | return 0; |
| 82 | } |
| 83 | // Switch off sprint idea |
| 84 | void |
| 85 | ClpPrimalColumnPivot::switchOffSprint() |
| 86 | { |
| 87 | } |
| 88 | |