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# contrib/sIPOPT/src/SensStepCalc.hpp

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    00001 // Copyright 2009, 2011 Hans Pirnay
    00002 // All Rights Reserved.
    00003 // This code is published under the Eclipse Public License.
    00004 //
    00005 // Date   : 2009-05-14
    00006
    00007 #ifndef __ASSENSSTEPCALC_HPP__
    00008 #define __ASSENSSTEPCALC_HPP__
    00009
    00010 #include "IpAlgStrategy.hpp"
    00011 #include "SensSchurDriver.hpp"
    00012
    00013
    00014 namespace Ipopt
    00015 {
    00017   class DenseVector;
    00018   class IteratesVector;
    00019
    00020   class SensitivityStepCalculator : public AlgorithmStrategyObject
    00021   {
    00022     /* This is the interface for the classes that perform the actual step. */
    00023
    00024   public:
    00025     SensitivityStepCalculator()
    00026       :
    00027       driver_(NULL),
    00028       do_boundcheck_(false)
    00029     {
    00030     }
    00031
    00032     virtual ~SensitivityStepCalculator()
    00033     {
    00034     }
    00035
    00036     virtual bool InitializeImpl(const OptionsList& options,
    00037                 const std::string& prefix)
    00038     {
    00039       options.GetBoolValue("sens_boundcheck", do_boundcheck_, prefix);
    00040       return true;
    00041     }
    00042
    00043     bool Do_Boundcheck() const
    00044     {
    00045       return do_boundcheck_;
    00046     }
    00047
    00048     void SetSchurDriver(SmartPtr<SchurDriver> driver)
    00049     {
    00050       DBG_ASSERT(IsValid(driver));
    00051       driver_ = driver;
    00052       if (IsValid(driver_->pcalc_nonconst())) {
    00053     driver_->pcalc_nonconst()->reset_data_A();
    00054     // when the schurdriver is set, the data in the pcalculator has to be reset to its data?
    00055       }
    00056     }
    00057
    00058     SmartPtr<SchurDriver> Driver() // this should be const or protected
    00059     {
    00060       DBG_ASSERT(IsValid(driver_));
    00061       return driver_;
    00062     }
    00063
    00066     virtual bool Step(DenseVector& delta_u, IteratesVector& sol) =0;
    00067
    00068
    00069   private:
    00070     SmartPtr<SchurDriver> driver_;
    00071     bool do_boundcheck_;
    00072   };
    00073 }
    00074
    00075 #endif

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