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/examples/generation_functions.cpp b/examples/generation_functions.cpp
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+++ b/examples/generation_functions.cpp
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+/*
+ libs/numeric/odeint/examples/stochastic_euler.hpp
+
+ Copyright 2012 Karsten Ahnert
+ Copyright 2012-2013 Mario Mulansky
+ Copyright 2013 Pascal Germroth
+
+ Stochastic euler stepper example and Ornstein-Uhlenbeck process
+
+ 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)
+ */
+
+#include <boost/array.hpp>
+
+#include <boost/numeric/odeint.hpp>
+
+typedef boost::array< double , 1 > state_type;
+
+using namespace boost::numeric::odeint;
+
+
+//[ generation_functions_own_steppers
+class custom_stepper
+{
+public:
+
+ typedef double value_type;
+ // ...
+};
+
+class custom_controller
+{
+ // ...
+};
+
+class custom_dense_output
+{
+ // ...
+};
+//]
+
+
+//[ generation_functions_get_controller
+namespace boost { namespace numeric { namespace odeint {
+
+template<>
+struct get_controller< custom_stepper >
+{
+ typedef custom_controller type;
+};
+
+} } }
+//]
+
+//[ generation_functions_controller_factory
+namespace boost { namespace numeric { namespace odeint {
+
+template<>
+struct controller_factory< custom_stepper , custom_controller >
+{
+ custom_controller operator()( double abs_tol , double rel_tol , const custom_stepper & ) const
+ {
+ return custom_controller();
+ }
+
+ custom_controller operator()( double abs_tol , double rel_tol , double max_dt ,
+ const custom_stepper & ) const
+ {
+ // version with maximal allowed step size max_dt
+ return custom_controller();
+ }
+};
+
+} } }
+//]
+
+int main( int argc , char **argv )
+{
+ {
+ typedef runge_kutta_dopri5< state_type > stepper_type;
+
+ /*
+ //[ generation_functions_syntax_auto
+ auto stepper1 = make_controlled( 1.0e-6 , 1.0e-6 , stepper_type() );
+ // or with max step size limit:
+ // auto stepper1 = make_controlled( 1.0e-6 , 1.0e-6 , 0.01, stepper_type() );
+
+ auto stepper2 = make_dense_output( 1.0e-6 , 1.0e-6 , stepper_type() );
+ //]
+ */
+
+ //[ generation_functions_syntax_result_of
+ boost::numeric::odeint::result_of::make_controlled< stepper_type >::type stepper3 = make_controlled( 1.0e-6 , 1.0e-6 , stepper_type() );
+ (void)stepper3;
+ boost::numeric::odeint::result_of::make_dense_output< stepper_type >::type stepper4 = make_dense_output( 1.0e-6 , 1.0e-6 , stepper_type() );
+ (void)stepper4;
+ //]
+ }
+
+ {
+ /*
+ //[ generation_functions_example_custom_controller
+ auto stepper5 = make_controlled( 1.0e-6 , 1.0e-6 , custom_stepper() );
+ //]
+ */
+
+ boost::numeric::odeint::result_of::make_controlled< custom_stepper >::type stepper5 = make_controlled( 1.0e-6 , 1.0e-6 , custom_stepper() );
+ (void)stepper5;
+ }
+ return 0;
+}