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73 lines
1.9 KiB
Plaintext
73 lines
1.9 KiB
Plaintext
/* Boost check_thrust.cu test file
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Copyright 2010-2013 Mario Mulansky
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Copyright 2010-2011 Karsten Ahnert
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This file tests the use of the euler stepper
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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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//#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/external/thrust/thrust.hpp>
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#include <thrust/device_vector.h>
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#include <thrust/fill.h>
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using namespace boost::numeric::odeint;
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typedef float base_type;
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// typedef thrust::device_vector< base_type > state_type;
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typedef thrust::host_vector< base_type > state_type;
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void constant_system( const state_type &x , state_type &dxdt , base_type t )
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{
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thrust::fill( dxdt.begin() , dxdt.end() , static_cast<base_type>(1.0) );
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}
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const base_type eps = 1.0e-7;
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template< class Stepper , class System >
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void check_stepper_concept( Stepper &stepper , System system , typename Stepper::state_type &x )
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{
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typedef Stepper stepper_type;
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typedef typename stepper_type::state_type container_type;
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typedef typename stepper_type::order_type order_type;
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typedef typename stepper_type::time_type time_type;
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stepper.do_step( system , x , 0.0 , 0.1 );
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base_type xval = *boost::begin( x );
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if( fabs( xval - 0.1 ) < eps )
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std::clog << "TEST PASSED" << std::endl;
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else
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std::clog << "TEST FAILED" << std::endl;
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}
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void test_euler_with_thrust( void )
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{
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state_type x(1);
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thrust::fill( x.begin() , x.end() , static_cast<base_type>(0.0) );
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euler< state_type , base_type , state_type , base_type > euler;
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check_stepper_concept( euler , constant_system , x );
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}
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/*test_suite* init_unit_test_suite( int argc, char* argv[] )
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{
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test_suite *test = BOOST_TEST_SUITE("check stepper with thrust");
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test->add( BOOST_TEST_CASE( &test_euler_with_thrust ) );
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return test;
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}*/
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int main() {
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test_euler_with_thrust();
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}
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