ROL
step/test_12.cpp
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43
48#define USE_HESSVEC 0
49
50#include "Teuchos_GlobalMPISession.hpp"
51
52#include "ROL_Step.hpp"
54
55#include <iostream>
56
57typedef double RealT;
58
59int main(int argc, char *argv[]) {
60
61 Teuchos::GlobalMPISession mpiSession(&argc, &argv);
62
63 // This little trick lets us print to std::cout only if a (dummy) command-line argument is provided.
64 int iprint = argc - 1;
65 ROL::Ptr<std::ostream> outStream;
66 ROL::nullstream bhs; // outputs nothing
67 if (iprint > 0)
68 outStream = ROL::makePtrFromRef(std::cout);
69 else
70 outStream = ROL::makePtrFromRef(bhs);
71
72 int errorFlag = 0;
73 ROL::Ptr<ROL::Vector<RealT> > x0;
74 std::vector<ROL::Ptr<ROL::Vector<RealT> > > x;
75 ROL::Ptr<ROL::OptimizationProblem<RealT> > problem;
76 ROL::GetTestProblem<RealT>(problem,x0,x,ROL::TESTOPTPROBLEM_HS1);
77 ROL::Ptr<ROL::Objective<RealT> > obj = problem->getObjective();
78 ROL::Ptr<ROL::BoundConstraint<RealT> > bnd = problem->getBoundConstraint();
80
81 // *** Test body.
83 int thrown = 0;
84 try {
85 try {
86 step.compute(*x0,*x[0],*obj,*bnd,algo_state);
87 }
89 *outStream << exc.what() << std::endl;
90 thrown++;
91 };
92 try {
93 step.update(*x0,*x[0],*obj,*bnd,algo_state);
94 }
96 *outStream << exc.what() << std::endl;
97 thrown++;
98 };
99 try {
100 step.printName();
101 }
102 catch (ROL::Exception::NotImplemented& exc) {
103 *outStream << exc.what() << std::endl;
104 thrown++;
105 };
106 try {
107 step.printHeader();
108 }
109 catch (ROL::Exception::NotImplemented& exc) {
110 *outStream << exc.what() << std::endl;
111 thrown++;
112 };
113 try {
114 step.print(algo_state,true);
115 }
116 catch (ROL::Exception::NotImplemented& exc) {
117 *outStream << exc.what() << std::endl;
118 thrown++;
119 };
120 errorFlag = (thrown==5) ? 0 : 1;
121 }
122 catch (std::logic_error& err) {
123 *outStream << err.what() << std::endl;
124 errorFlag = -1000;
125 }; // end try
126
127 if (errorFlag != 0)
128 std::cout << "End Result: TEST FAILED" << std::endl;
129 else
130 std::cout << "End Result: TEST PASSED" << std::endl;
131
132 return 0;
133
134}
135
Contains definitions of test objective functions.
Provides the interface to compute optimization steps.
Definition: ROL_Step.hpp:68
virtual std::string print(AlgorithmState< Real > &algo_state, bool printHeader=false) const
Print iterate status.
Definition: ROL_Step.hpp:205
virtual void compute(Vector< Real > &s, const Vector< Real > &x, Objective< Real > &obj, BoundConstraint< Real > &bnd, AlgorithmState< Real > &algo_state)
Compute step.
Definition: ROL_Step.hpp:143
virtual std::string printName(void) const
Print step name.
Definition: ROL_Step.hpp:199
virtual std::string printHeader(void) const
Print iterate header.
Definition: ROL_Step.hpp:193
virtual void update(Vector< Real > &x, const Vector< Real > &s, Objective< Real > &obj, BoundConstraint< Real > &bnd, AlgorithmState< Real > &algo_state)
Update step, if successful.
Definition: ROL_Step.hpp:151
int main(int argc, char *argv[])
double RealT
State for algorithm class. Will be used for restarts.
Definition: ROL_Types.hpp:143