numeric-linear-function.cc

Example shows numeric linear function use.

// Copyright (C) 2009 by Thomas Moulard, AIST, CNRS, INRIA.
//
// This file is part of the roboptim.
//
// roboptim is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// roboptim is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with roboptim. If not, see <http://www.gnu.org/licenses/>.
#include "shared-tests/fixture.hh"
#include <iostream>
#include <roboptim/core/io.hh>
#include <roboptim/core/numeric-linear-function.hh>
using namespace roboptim;
typedef DummySolver solver_t;
BOOST_FIXTURE_TEST_SUITE (core, TestSuiteConfiguration)
BOOST_AUTO_TEST_CASE (numeric_linear_function)
{
boost::shared_ptr<boost::test_tools::output_test_stream>
output = retrievePattern ("numeric-linear-function");
NumericLinearFunction::matrix_t a (1, 5);
NumericLinearFunction::vector_t b (1);
NumericLinearFunction::vector_t x (5);
a.setZero ();
b.setZero ();
x.setZero ();
a(0, 0) = 1.2;
a(0, 1) = 3.4;
a(0, 2) = 5.6;
a(0, 3) = 7.8;
b[0] = 1.;
NumericLinearFunction f (a, b);
(*output) << f << std::endl;
x[0] = 0.1;
x[1] = 1.2;
x[2] = 2.3;
x[3] = 3.4;
x[4] = 4.5;
(*output) << "f(x) = " << f (x) << std::endl;
(*output) << "J(x) = " << f.jacobian (x) << std::endl;
std::cout << output->str () << std::endl;
BOOST_CHECK (output->match_pattern ());
}
BOOST_AUTO_TEST_SUITE_END ()