ROL
function/test_11.cpp
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43
50#include "ROL_HS2.hpp"
51#include "ROL_StdVector.hpp"
52#include "ROL_RandomVector.hpp"
53#include "ROL_Stream.hpp"
54#include "Teuchos_GlobalMPISession.hpp"
55//#include <fenv.h>
56
57typedef double RealT;
58
59int main(int argc, char *argv[]) {
60 //feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW);
61
62 typedef ROL::Vector<RealT> V;
63 typedef ROL::Objective<RealT> OBJ;
64 typedef ROL::BoundConstraint<RealT> CON;
65
66 Teuchos::GlobalMPISession mpiSession(&argc, &argv);
67
68 // This little trick lets us print to std::cout only if a (dummy) command-line argument is provided.
69 int iprint = argc - 1;
70 ROL::Ptr<std::ostream> outStream;
71 ROL::nullstream bhs; // outputs nothing
72 if (iprint > 0)
73 outStream = ROL::makePtrFromRef(std::cout);
74 else
75 outStream = ROL::makePtrFromRef(bhs);
76
77 // Save the format state of the original std::cout.
78 ROL::nullstream oldFormatState;
79 oldFormatState.copyfmt(std::cout);
80
81 RealT zero(0);
82
83 ROL::Ptr<V> x0;
84 ROL::Ptr<V> x;
85 ROL::Ptr<V> g;
86 ROL::Ptr<OBJ> obj;
87 ROL::Ptr<CON> con;
88 ROL::Ptr<OBJ> model;
89
91 obj = HS2.getObjective();
92 con = HS2.getBoundConstraint();
93 x0 = HS2.getInitialGuess();
94 x = HS2.getSolution();
95
96 g = x->dual().clone();
97
98 // Need to evaluate the gradient to construct the model
99 obj->gradient(*g,*x,zero);
100
101 model = ROL::makePtr<ROL::ColemanLiModel<RealT>>(*obj,*con,*x,*g);
102
103 ROL::Ptr<V> s = x->clone();
104 ROL::Ptr<V> v = x->clone();
105 ROL::Ptr<V> u = x->clone();
106
107 ROL::RandomizeVector(*s,-1.0,1.0);
108 ROL::RandomizeVector(*u,-1.0,1.0);
109 ROL::RandomizeVector(*v,-1.0,1.0);
110
111 model->checkGradient(*s,*v);
112 model->checkHessVec(*s,*v);
113 model->checkHessSym(*s,*u,*v);
114
115 return 0;
116}
117
118
Vector< Real > V
Contains definitions for W. Hock and K. Schittkowski 2nd test function.
Objective_SerialSimOpt(const Ptr< Obj > &obj, const V &ui) z0_ zero()
Defines a no-output stream class ROL::NullStream and a function makeStreamPtr which either wraps a re...
Provides the interface to apply upper and lower bound constraints.
Provides the interface to evaluate objective functions.
Defines the linear algebra or vector space interface.
Definition: ROL_Vector.hpp:84
Ptr< Vector< Real > > getSolution(const int i=0) const
Definition: ROL_HS2.hpp:166
Ptr< BoundConstraint< Real > > getBoundConstraint(void) const
Definition: ROL_HS2.hpp:178
Ptr< Objective< Real > > getObjective(void) const
Definition: ROL_HS2.hpp:152
Ptr< Vector< Real > > getInitialGuess(void) const
Definition: ROL_HS2.hpp:157
int main(int argc, char *argv[])
double RealT
void RandomizeVector(Vector< Real > &x, const Real &lower=0.0, const Real &upper=1.0)
Fill a ROL::Vector with uniformly-distributed random numbers in the interval [lower,...