COIN-OR::LEMON - Graph Library

Changeset 956:4764031c082c in lemon-1.2 for lemon/cplex.cc


Ignore:
Timestamp:
05/06/12 16:52:11 (7 years ago)
Author:
Alpar Juttner <alpar@…>
Branch:
1.2
Parents:
954:be7dd3a8d6a3 (diff), 955:8d281761dea4 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Phase:
public
Message:

Merge bugfix #441 to branch 1.2

Files:
2 edited

Legend:

Unmodified
Added
Removed
  • lemon/cplex.cc

    r877 r956  
    471471    int status;
    472472    _prob = CPXcreateprob(cplexEnv(), &status, "Cplex problem");
    473     rows.clear();
    474     cols.clear();
    475473  }
    476474
  • lemon/cplex.cc

    r955 r956  
    33 * This file is a part of LEMON, a generic C++ optimization library.
    44 *
    5  * Copyright (C) 2003-2009
     5 * Copyright (C) 2003-2010
    66 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
    77 * (Egervary Research Group on Combinatorial Optimization, EGRES).
     
    112112  }
    113113
     114  int CplexBase::_addRow(Value lb, ExprIterator b,
     115                         ExprIterator e, Value ub) {
     116    int i = CPXgetnumrows(cplexEnv(), _prob);
     117    if (lb == -INF) {
     118      const char s = 'L';
     119      CPXnewrows(cplexEnv(), _prob, 1, &ub, &s, 0, 0);
     120    } else if (ub == INF) {
     121      const char s = 'G';
     122      CPXnewrows(cplexEnv(), _prob, 1, &lb, &s, 0, 0);
     123    } else if (lb == ub){
     124      const char s = 'E';
     125      CPXnewrows(cplexEnv(), _prob, 1, &lb, &s, 0, 0);
     126    } else {
     127      const char s = 'R';
     128      double len = ub - lb;
     129      CPXnewrows(cplexEnv(), _prob, 1, &lb, &s, &len, 0);
     130    }
     131
     132    std::vector<int> indices;
     133    std::vector<int> rowlist;
     134    std::vector<Value> values;
     135
     136    for(ExprIterator it=b; it!=e; ++it) {
     137      indices.push_back(it->first);
     138      values.push_back(it->second);
     139      rowlist.push_back(i);
     140    }
     141
     142    CPXchgcoeflist(cplexEnv(), _prob, values.size(),
     143                   &rowlist.front(), &indices.front(), &values.front());
     144
     145    return i;
     146  }
    114147
    115148  void CplexBase::_eraseCol(int i) {
     
    455488
    456489  void CplexBase::_applyMessageLevel() {
    457     CPXsetintparam(cplexEnv(), CPX_PARAM_SCRIND, 
     490    CPXsetintparam(cplexEnv(), CPX_PARAM_SCRIND,
    458491                   _message_enabled ? CPX_ON : CPX_OFF);
    459492  }
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