CbcSolverHeuristics.hpp

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/* $Id$ */
// Copyright (C) 2007, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).

 
#ifndef CbcSolverHeuristics_H
#define CbcSolverHeuristics_H
 
#include "CbcModel.hpp"
#include "CbcOrClpParam.hpp"
 
void crunchIt(ClpSimplex *model);
 
/*
  On input
  doAction - 0 just fix in original and return NULL
             1 return fixed non-presolved solver
             2 as one but use presolve Inside this
             3 use presolve and fix ones with large cost
             ? do heuristics and set best solution
             ? do BAB and just set best solution
             10+ then use lastSolution and relax a few
             -2 cleanup afterwards if using 2
  On output - number fixed
*/
OsiClpSolverInterface *
fixVubs(CbcModel &model, int skipZero2,
  int &doAction,
  CoinMessageHandler * /*generalMessageHandler*/,
  const double *lastSolution, double dextra[6],
  int extra[5]);

int doHeuristics(CbcModel *model, int type, std::vector< CbcOrClpParam > parameters_,
  int noPrinting_, int initialPumpTune);
 
#endif //CbcSolverHeuristics_H
 
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