ROL_SROMEqualityConstraint.hpp

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#ifndef ROL_SROM_EQUALITY_CONSTRAINT_H
#define ROL_SROM_EQUALITY_CONSTRAINT_H

#include "ROL_EqualityConstraint.hpp"
#include "ROL_SROMVector.hpp"
#include "ROL_StdVector.hpp"
#include "ROL_Types.hpp"
#include "Teuchos_SerialDenseMatrix.hpp"
#include "Teuchos_SerialDenseVector.hpp"
#include "Teuchos_LAPACK.hpp"
#include <iostream>

namespace ROL {

template <class Real>
class SROMEqualityConstraint : public EqualityConstraint<Real> {
private:

public:
  SROMEqualityConstraint(void) : EqualityConstraint<Real>() {}

  void value(Vector<Real> &c, const Vector<Real> &x, Real &tol) {
    Teuchos::RCP<std::vector<Real> > ec =
      Teuchos::rcp_const_cast<std::vector<Real> >((Teuchos::dyn_cast<StdVector<Real> >(c)).getVector());
    const SROMVector<Real> &ex = Teuchos::dyn_cast<const SROMVector<Real> >(x);
    (*ec)[0] = -1.0;
    for (size_t i = 0; i < ex.getNumSamples(); i++) {
      (*ec)[0] += ex.getWeight(i);
    }
  }

  void applyJacobian(Vector<Real> &jv, const Vector<Real> &v, const Vector<Real> &x, Real &tol) {
    Teuchos::RCP<std::vector<Real> > ejv =
      Teuchos::rcp_const_cast<std::vector<Real> >((Teuchos::dyn_cast<StdVector<Real> >(jv)).getVector());
    const SROMVector<Real> &ev = Teuchos::dyn_cast<const SROMVector<Real> >(v);
    (*ejv)[0] = 0.0;
    for (size_t i = 0; i < ev.getNumSamples(); i++) {
      (*ejv)[0] += ev.getWeight(i);
    }
  }

  void applyAdjointJacobian(Vector<Real> &ajv, const Vector<Real> &v, const Vector<Real> &x, Real &tol) {
    SROMVector<Real> &eajv = Teuchos::dyn_cast<SROMVector<Real> >(ajv);
    Teuchos::RCP<const std::vector<Real> > ev =
      (Teuchos::dyn_cast<StdVector<Real> >(const_cast<Vector<Real> &>(v))).getVector();
    const std::vector<Real> pt(eajv.getDimension(),0.0);
    for (size_t i = 0; i < eajv.getNumSamples(); i++) {
      eajv.setPoint(i,pt);
      eajv.setWeight(i,(*ev)[0]);
    }
  }

  void applyAdjointHessian(Vector<Real> &ahuv, const Vector<Real> &u, const Vector<Real> &v,
                                   const Vector<Real> &x, Real &tol) {
    ahuv.zero();
  }

}; // class SROMEqualityConstraint

} // namespace ROL

#endif