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52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
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/* Boost check_mkl.cpp test file
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Copyright 2010-2011 Mario Mulansky
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Copyright 2011 Karsten Ahnert
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This file tests the odeint library with the intel mkl blas1 routines
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or
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copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#define BOOST_TEST_MODULE test_mkl
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#include <boost/test/unit_test.hpp>
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#include <boost/numeric/odeint/stepper/euler.hpp>
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#include <boost/numeric/odeint/stepper/runge_kutta4.hpp>
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#include <boost/numeric/odeint/algebra/vector_space_algebra.hpp>
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#include <boost/numeric/odeint/external/mkl/mkl_operations.hpp>
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using namespace boost::numeric::odeint;
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typedef double value_type;
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typedef boost::array< value_type , 1 > state_type;
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void constant_system( state_type &x , state_type &dxdt , value_type t )
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{
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dxdt[0] = 1.0;
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}
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const double eps = 1E-14;
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BOOST_AUTO_TEST_CASE( test_mkl )
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{
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//to use mkl routines we have to use the vector_space_algebra and the mkl_operations
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runge_kutta4< state_type , value_type , state_type , value_type , vector_space_algebra , mkl_operations > stepper;
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state_type x;
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x[0] = 0.0;
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stepper.do_step( constant_system , x , 0.0 , 0.1 );
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using std::abs;
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std::cout << x[0] << " ?= " << 0.1 << std::endl;
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BOOST_CHECK_SMALL( abs( x[0] - 0.1 ) , eps );
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}
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