ClpSimplexNonlinear.hpp

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/* $Id: ClpSimplexNonlinear.hpp 2385 2019-01-06 19:43:06Z unxusr $ */
// Copyright (C) 2004, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
/*
   Authors

   John Forrest

 */
#ifndef ClpSimplexNonlinear_H
#define ClpSimplexNonlinear_H

class ClpNonlinearInfo;
class ClpQuadraticObjective;
class ClpConstraint;

#include "ClpSimplexPrimal.hpp"

class ClpSimplexNonlinear : public ClpSimplexPrimal {

public:
  int primal();
  int primalSLP(int numberPasses, double deltaTolerance,
    int otherOptions = 0);
  int primalDualCuts(char *rowsIn, int startUp, int algorithm);
  int primalSLP(int numberConstraints, ClpConstraint **constraints,
    int numberPasses, double deltaTolerance);

  void directionVector(CoinIndexedVector *longArray,
    CoinIndexedVector *spare1, CoinIndexedVector *spare2,
    int mode,
    double &normFlagged, double &normUnflagged,
    int &numberNonBasic);
  int whileIterating(int &pivotMode);
  int pivotColumn(CoinIndexedVector *longArray,
    CoinIndexedVector *rowArray,
    CoinIndexedVector *columnArray,
    CoinIndexedVector *spare,
    int &pivotMode,
    double &solutionError,
    double *array1);
  void statusOfProblemInPrimal(int &lastCleaned, int type,
    ClpSimplexProgress *progress,
    bool doFactorization,
    double &bestObjectiveWhenFlagged);
  int pivotNonlinearResult();
};
#endif

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