/usr/include/trilinos/ROL_LinearOperatorFromEqualityConstraint.hpp is in libtrilinos-rol-dev 12.12.1-5.
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#ifndef ROL_LINEAROPERATOR_FROM_EQUALITYCONSTRAINT_H
#define ROL_LINEAROPERATOR_FROM_EQUALITYCONSTRAINT_H
#include "ROL_Vector.hpp"
#include "ROL_EqualityConstraint.hpp"
#include "ROL_LinearOperator.hpp"
/** @ingroup func_group
\class ROL::LinearOperatorFromEqualityConstraint
\brief A simple wrapper which allows application of constraint Jacobians
through the LinearOperator interface
---
*/
namespace ROL {
template <class Real>
class LinearOperatorFromEqualityConstraint : public LinearOperator<Real> {
private:
const Teuchos::RCP<const Vector<Real> > x_;
Teuchos::RCP<EqualityConstraint<Real> > con_;
public:
LinearOperatorFromEqualityConstraint( const Teuchos::RCP<const Vector<Real> > &x,
const Teuchos::RCP<EqualityConstraint<Real> > &con ) :
x_(x), con_(con) {
}
virtual ~LinearOperatorFromEqualityConstraint() {}
virtual void apply( Vector<Real> &Hv, const Vector<Real> &v, Real &tol ) const {
con_->applyJacobian(Hv,v,*x_,tol);
}
// Not implemented for generic equality constraint
virtual void applyInverse( Vector<Real> &Hv, const Vector<Real> &v, Real &tol ) const {
Hv.set(v);
}
}; // class LinearOperator
} // namespace ROL
#endif
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