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NlpSimpleLinsys.hh

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00001 #ifndef NLPSIMPLELINSYS
00002 #define NLPSIMPLELINSYS
00003 
00013 #include "IotrHandle.hh"
00014 #include "IotrRefCount.hh"
00015 #include "NlpLinsys.hh"
00016 
00017 class PrimalDualSystem;
00018 typedef Handle<PrimalDualSystem> PrimalDualSystemHandle;
00019 
00025 class NlpSimpleLinsys : public NlpLinsys {
00026 protected:
00027   PrimalDualSystemHandle   mPdSystem;
00028 public:
00029   NlpSimpleLinsys( PrimalDualSystem * pdsys );
00030 
00031   virtual void factor( NlpGrads     & grads, NlpHessian & hessian,
00032                        NlpLinsysDiag & diag );
00033 
00034   virtual void newtonStep( NlpLinsysSol &  step, NlpGrads & grads );
00035 
00036 
00037   virtual int isConvex();
00038 
00039   virtual NlpLinsysDiag * newDiagonal();
00040   virtual NlpLinsysSol  * newSolutionVector();
00041 };
00042 
00043 typedef Handle<NlpSimpleLinsys> NlpSimpleLinsysHandle;
00044 
00045 #endif

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