/home/coin/SVN-release/Cbc-1.1.1/Clp/src/ClpSimplexNonlinear.hpp

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00001 // Copyright (C) 2004, International Business Machines
00002 // Corporation and others.  All Rights Reserved.
00003 
00004 /* 
00005    Authors
00006    
00007    John Forrest
00008 
00009  */
00010 #ifndef ClpSimplexNonlinear_H
00011 #define ClpSimplexNonlinear_H
00012 
00013 class ClpNonlinearInfo;
00014 class ClpQuadraticObjective;
00015 
00016 #include "ClpSimplexPrimal.hpp"
00017 
00026 class ClpSimplexNonlinear : public ClpSimplexPrimal {
00027 
00028 public:
00029 
00036 
00037   int primal();
00043   int primalSLP(int numberPasses, double deltaTolerance);
00044 
00050   void directionVector (CoinIndexedVector * longArray,
00051                         CoinIndexedVector * spare1, CoinIndexedVector * spare2,
00052                         int mode,
00053                         double & normFlagged,double & normUnflagged,
00054                         int & numberNonBasic);
00056   int whileIterating (int & pivotMode);
00069   int pivotColumn(CoinIndexedVector * longArray,
00070                   CoinIndexedVector * rowArray,
00071                   CoinIndexedVector * columnArray,
00072                   CoinIndexedVector * spare,
00073                   int & pivotMode,
00074                   double & solutionError,
00075                   double * array1);
00085   void statusOfProblemInPrimal(int & lastCleaned, int type,
00086                                ClpSimplexProgress * progress,
00087                                bool doFactorization,
00088                                double & bestObjectiveWhenFlagged);
00101   int pivotNonlinearResult();
00103 
00104 };
00105 #endif
00106 

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