ROL
step/trustregion/test_01.cpp
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43
49#include "Teuchos_GlobalMPISession.hpp"
50
51#include "ROL_Stream.hpp"
52#include "ROL_RandomVector.hpp"
53#include "ROL_Rosenbrock.hpp"
54#include "ROL_ConicApproximationModel.hpp"
55
56#include <iostream>
57
58
59int main(int argc, char *argv[]) {
60
61 using RealT = double;
62 using namespace ROL;
63
64 Teuchos::GlobalMPISession mpiSession(&argc, &argv);
65
66 // This little trick lets us print to std::cout only if a (dummy) command-line argument is provided.
67 auto outStream = makeStreamPtr( std::cout, argc > 1 );
68
69 int errorFlag = 0;
70
71 // *** Test body.
72
73 try {
74
76
77 auto x = rosenbrock.getInitialGuess();
78 auto a = x->clone();
79 auto s = x->clone();
80 auto d = x->clone();
81 auto obj = rosenbrock.getObjective();
82
83 RandomizeVector( *s );
84 RandomizeVector( *a );
85 RandomizeVector( *d );
86
87 ConicApproximationModel<RealT> conic( obj, x, s, a );
88 conic.checkGradient( *x, *d, true, *outStream );
89
90 }
91 catch (std::logic_error& err) {
92 *outStream << err.what() << std::endl;
93 errorFlag = -1000;
94 }; // end try
95
96 if (errorFlag != 0)
97 std::cout << "End Result: TEST FAILED" << std::endl;
98 else
99 std::cout << "End Result: TEST PASSED" << std::endl;
100
101 return 0;
102
103}
104
Contains definitions for Rosenbrock's function.
Defines a no-output stream class ROL::NullStream and a function makeStreamPtr which either wraps a re...
Provides the interface to evaluate conic approximation function.
Ptr< Objective< Real > > getObjective(void) const
Ptr< Vector< Real > > getInitialGuess(void) const
int main(int argc, char *argv[])