Squashed 'third_party/boostorg/odeint/' content from commit 6ff2719
Change-Id: If4892e29c1a5e6cf3a7aa51486a2725c251b0c7d
git-subtree-dir: third_party/boostorg/odeint
git-subtree-split: 6ff2719b6907b86596c3d43e88c1bcfdf29df560
diff --git a/test/dummy_odes.hpp b/test/dummy_odes.hpp
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+/*
+ [auto_generated]
+ libs/numeric/odeint/test/dummy_odes.hpp
+
+ [begin_description]
+ tba.
+ [end_description]
+
+ Copyright 2012-2013 Karsten Ahnert
+ Copyright 2013 Mario Mulansky
+
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or
+ copy at http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+
+#ifndef LIBS_NUMERIC_ODEINT_TEST_DUMMY_ODES_HPP_DEFINED
+#define LIBS_NUMERIC_ODEINT_TEST_DUMMY_ODES_HPP_DEFINED
+
+#include <boost/fusion/include/at_c.hpp>
+
+
+
+
+
+
+/*
+ * rhs functors/functions for different state types
+ */
+struct constant_system_functor_standard
+{
+ template< class State , class Deriv , class Time >
+ void operator()( const State &x , Deriv &dxdt , const Time t ) const
+ {
+ dxdt[0] = 1.0;
+ }
+};
+
+struct constant_system_functor_vector_space
+{
+ template< class State , class Deriv , class Time >
+ void operator()( const State &x , Deriv &dxdt , const Time t ) const
+ {
+ dxdt = 1.0;
+ }
+};
+
+struct constant_system_functor_fusion
+{
+ template< class State , class Deriv , class Time >
+ void operator()( const State &x , Deriv &dxdt , const Time t ) const
+ {
+ boost::fusion::at_c< 0 >( dxdt ) = boost::fusion::at_c< 0 >( x ) / Time( 1.0 );
+ }
+};
+
+struct lorenz
+{
+ template< typename State , typename Deriv , typename Time >
+ void operator()( const State& x , Deriv& dxdt , const Time& t ) const
+ {
+ const Time sigma = 10.0;
+ const Time R = 28.0;
+ const Time b = 8.0 / 3.0;
+ dxdt[0] = sigma * ( x[1] - x[0] );
+ dxdt[1] = R * x[0] - x[1] - x[0] * x[2];
+ dxdt[2] = -b * x[2] + x[0] * x[1];
+ }
+};
+
+template< class State , class Deriv , class Time >
+void constant_system_standard( const State &x , Deriv &dxdt , const Time t )
+{
+ dxdt[0] = 1.0;
+}
+
+template< class State , class Deriv , class Time >
+void constant_system_vector_space( const State &x , Deriv &dxdt , const Time t )
+{
+ dxdt = 1.0;
+}
+
+template< class State , class Deriv , class Time >
+void constant_system_fusion( const State &x , Deriv &dxdt , const Time t )
+{
+ boost::fusion::at_c< 0 >( dxdt ) = boost::fusion::at_c< 0 >( x ) / Time( 1.0 );
+}
+
+
+
+
+/*
+ * rhs functors for symplectic steppers
+ */
+struct constant_mom_func
+{
+ template< class StateIn , class StateOut >
+ void operator()( const StateIn &q , StateOut &dp ) const
+ {
+ dp[0] = 1.0;
+ }
+};
+
+struct default_coor_func
+{
+ template< class StateIn , class StateOut >
+ void operator()( const StateIn &p , StateOut &dq ) const
+ {
+ dq[0] = p[0];
+ }
+};
+
+
+
+struct constant_mom_func_vector_space_1d
+{
+ template< class T >
+ void operator()( const T &q , T &dp ) const
+ {
+ dp = 1.0;
+ }
+};
+
+struct default_coor_func_vector_space_1d
+{
+ template< class T >
+ void operator()( const T &p , T &dq ) const
+ {
+ dq = p;
+ }
+};
+
+
+
+
+
+
+
+struct empty_system
+{
+ template <class State >
+ void operator()( const State &x , State &dxdt , double t ) const
+ {
+ }
+};
+
+
+
+
+#endif // LIBS_NUMERIC_ODEINT_TEST_DUMMY_ODES_HPP_DEFINED