44 #ifndef ROL_OBJECTIVE_H 45 #define ROL_OBJECTIVE_H 142 TEUCHOS_TEST_FOR_EXCEPTION(
true, std::invalid_argument,
143 ">>> ERROR (ROL::Objective): invHessVec not implemented!");
181 const bool printToStream =
true,
182 std::ostream & outStream = std::cout,
184 const int order = 1 ) {
213 const bool printToStream =
true,
214 std::ostream & outStream = std::cout,
216 const int order = 1 );
241 const std::vector<Real> &steps,
242 const bool printToStream =
true,
243 std::ostream & outStream = std::cout,
244 const int order = 1 ) {
276 const std::vector<Real> &steps,
277 const bool printToStream =
true,
278 std::ostream & outStream = std::cout,
279 const int order = 1 );
303 const bool printToStream =
true,
304 std::ostream & outStream = std::cout,
306 const int order = 1 ) {
308 return checkHessVec(x, x.
dual(), v, printToStream, outStream, numSteps, order);
336 const bool printToStream =
true,
337 std::ostream & outStream = std::cout,
339 const int order = 1) ;
364 const std::vector<Real> &steps,
365 const bool printToStream =
true,
366 std::ostream & outStream = std::cout,
367 const int order = 1 ) {
369 return checkHessVec(x, x, v, steps, printToStream, outStream, order);
397 const std::vector<Real> &steps,
398 const bool printToStream =
true,
399 std::ostream & outStream = std::cout,
400 const int order = 1) ;
420 const bool printToStream =
true,
421 std::ostream & outStream = std::cout ) {
423 return checkHessSym(x, x, v, w, printToStream, outStream);
446 const bool printToStream =
true,
447 std::ostream & outStream = std::cout );
460 param_.assign(param.begin(),param.end());
Provides the interface to evaluate objective functions.
virtual Real value(const Vector< Real > &x, Real &tol)=0
Compute value.
virtual Real dirDeriv(const Vector< Real > &x, const Vector< Real > &d, Real &tol)
Compute directional derivative.
virtual void hessVec(Vector< Real > &hv, const Vector< Real > &v, const Vector< Real > &x, Real &tol)
Apply Hessian approximation to vector.
Contains definitions of custom data types in ROL.
virtual void precond(Vector< Real > &Pv, const Vector< Real > &v, const Vector< Real > &x, Real &tol)
Apply preconditioner to vector.
virtual std::vector< std::vector< Real > > checkGradient(const Vector< Real > &x, const Vector< Real > &d, const std::vector< Real > &steps, const bool printToStream=true, std::ostream &outStream=std::cout, const int order=1)
Finite-difference gradient check with specified step sizes.
Defines the linear algebra or vector space interface.
std::vector< Real > param_
virtual std::vector< std::vector< Real > > checkGradient(const Vector< Real > &x, const Vector< Real > &d, const bool printToStream=true, std::ostream &outStream=std::cout, const int numSteps=ROL_NUM_CHECKDERIV_STEPS, const int order=1)
Finite-difference gradient check.
virtual void gradient(Vector< Real > &g, const Vector< Real > &x, Real &tol)
Compute gradient.
virtual const Vector & dual() const
Return dual representation of , for example, the result of applying a Riesz map, or change of basis...
virtual void invHessVec(Vector< Real > &hv, const Vector< Real > &v, const Vector< Real > &x, Real &tol)
Apply inverse Hessian approximation to vector.
virtual std::vector< std::vector< Real > > checkHessVec(const Vector< Real > &x, const Vector< Real > &v, const std::vector< Real > &steps, const bool printToStream=true, std::ostream &outStream=std::cout, const int order=1)
Finite-difference Hessian-applied-to-vector check with specified step sizes.
const std::vector< Real > getParameter(void) const
#define ROL_NUM_CHECKDERIV_STEPS
Number of steps for derivative checks.
virtual void setParameter(const std::vector< Real > ¶m)
virtual std::vector< std::vector< Real > > checkHessVec(const Vector< Real > &x, const Vector< Real > &v, const bool printToStream=true, std::ostream &outStream=std::cout, const int numSteps=ROL_NUM_CHECKDERIV_STEPS, const int order=1)
Finite-difference Hessian-applied-to-vector check.
virtual void set(const Vector &x)
Set where .
virtual void update(const Vector< Real > &x, bool flag=true, int iter=-1)
Update objective function.
virtual std::vector< Real > checkHessSym(const Vector< Real > &x, const Vector< Real > &v, const Vector< Real > &w, const bool printToStream=true, std::ostream &outStream=std::cout)
Hessian symmetry check.