swarm::cpu::hermite_cpu< Monitor > Class Template Reference
[Integrators]

CPU implementation of PEC2 Hermite integrator. More...

#include <hermite_cpu.hpp>

Inheritance diagram for swarm::cpu::hermite_cpu< Monitor >:

List of all members.

Public Member Functions
	hermite_cpu (const config &cfg)
	Construct for hermite_cpu class.
virtual void	launch_integrator ()
	Integrater implementation provided by derived instance.
void	calcForces (ensemble::SystemRef &sys, double acc[][3], double jerk[][3])
	Calculate the force field.
void	integrate_system (ensemble::SystemRef sys)
	Integrate ensembles.
Static Public Member Functions
static double	inner_product (const double a[3], const double b[3])
	defines inner product of two arrays

---

Detailed Description

template<class Monitor>
class swarm::cpu::hermite_cpu< Monitor >

CPU implementation of PEC2 Hermite integrator.

This is used as a reference implementation to test other GPU implementations of other integrators

This integrator can be used as an example of CPU integrator

Definition at line 46 of file hermite_cpu.hpp.

---

Member Function Documentation

template<class Monitor >

void swarm::cpu::hermite_cpu< Monitor >::calcForces	(	ensemble::SystemRef &	sys,
		double	acc[][3],
		double	jerk[][3]
	)			[inline]

Calculate the force field.

Clear acc and jerk

Loop through all pairs

Calculated the magnitude

Update acc/jerk for i

Update acc/jerk for j

Definition at line 74 of file hermite_cpu.hpp.

References peyton::constants::c, swarm::cpu::hermite_cpu< Monitor >::inner_product(), and swarm::EnsembleBase< _CHUNK_SIZE, _NUM_BODY_ATTRIBUTES, _NUM_SYS_ATTRIBUTES >::SystemRef::nbod().

Referenced by swarm::cpu::hermite_cpu< Monitor >::integrate_system().

template<class Monitor >

void swarm::cpu::hermite_cpu< Monitor >::integrate_system

(

ensemble::SystemRef

sys

)

[inline]

Integrate ensembles.

Predict

Copy positions

Integrate, Round one

Integrate, Round two

Definition at line 115 of file hermite_cpu.hpp.

References swarm::integrator::_destination_time, swarm::integrator::_log, swarm::integrator::_max_iterations, peyton::constants::c, swarm::cpu::hermite_cpu< Monitor >::calcForces(), swarm::EnsembleBase< _CHUNK_SIZE, _NUM_BODY_ATTRIBUTES, _NUM_SYS_ATTRIBUTES >::SystemRef::is_active(), swarm::EnsembleBase< _CHUNK_SIZE, _NUM_BODY_ATTRIBUTES, _NUM_SYS_ATTRIBUTES >::SystemRef::nbod(), swarm::EnsembleBase< _CHUNK_SIZE, _NUM_BODY_ATTRIBUTES, _NUM_SYS_ATTRIBUTES >::SystemRef::set_inactive(), and swarm::EnsembleBase< _CHUNK_SIZE, _NUM_BODY_ATTRIBUTES, _NUM_SYS_ATTRIBUTES >::SystemRef::time().

Referenced by swarm::cpu::hermite_cpu< Monitor >::launch_integrator().

---

The documentation for this class was generated from the following file:

• src/integrators/hermite_cpu.hpp