Barneshut.cpp File Reference

Barnes-hut application -*- C++ -*-. More...

#include <limits>
#include <iostream>
#include <vector>
#include <strings.h>
#include <boost/math/constants/constants.hpp>
#include <boost/iterator/transform_iterator.hpp>
#include "Galois/Galois.h"
#include "Galois/Statistic.h"
#include "Lonestar/Banner.h"
#include "Lonestar/CommandLine.h"

Classes
struct	anonymous_namespace{Barneshut.cpp}::Point
struct	anonymous_namespace{Barneshut.cpp}::Octree
	A node in an octree is either an internal node or a body (leaf). More...
struct	anonymous_namespace{Barneshut.cpp}::OctreeInternal
struct	anonymous_namespace{Barneshut.cpp}::Body
struct	anonymous_namespace{Barneshut.cpp}::BoundingBox
struct	anonymous_namespace{Barneshut.cpp}::Config
struct	anonymous_namespace{Barneshut.cpp}::BuildOctree
struct	anonymous_namespace{Barneshut.cpp}::ComputeCenterOfMass
struct	anonymous_namespace{Barneshut.cpp}::ComputeForces
struct	anonymous_namespace{Barneshut.cpp}::ComputeForces::Frame
struct	anonymous_namespace{Barneshut.cpp}::AdvanceBodies
struct	anonymous_namespace{Barneshut.cpp}::ReduceBoxes
struct	anonymous_namespace{Barneshut.cpp}::Deref< T >
Namespaces
namespace	anonymous_namespace{Barneshut.cpp}
Typedefs
typedef std::vector< Body >	anonymous_namespace{Barneshut.cpp}::Bodies
Functions
std::ostream &	anonymous_namespace{Barneshut.cpp}::operator<< (std::ostream &os, const Point &p)
std::ostream &	anonymous_namespace{Barneshut.cpp}::operator<< (std::ostream &os, const Body &b)
std::ostream &	anonymous_namespace{Barneshut.cpp}::operator<< (std::ostream &os, const BoundingBox &b)
int	anonymous_namespace{Barneshut.cpp}::getIndex (const Point &a, const Point &b)
void	anonymous_namespace{Barneshut.cpp}::updateCenter (Point &p, int index, double radius)
double	anonymous_namespace{Barneshut.cpp}::nextDouble ()
void	anonymous_namespace{Barneshut.cpp}::generateInput (Bodies &bodies, int nbodies, int seed)
	Generates random input according to the Plummer model, which is more realistic but perhaps not so much so according to astrophysicists.
boost::transform_iterator < Deref< Body > , Bodies::iterator >	anonymous_namespace{Barneshut.cpp}::wrap (Bodies::iterator it)
void	anonymous_namespace{Barneshut.cpp}::run (int nbodies, int ntimesteps, int seed)
int	main (int argc, const char **argv)
Variables
const char *	anonymous_namespace{Barneshut.cpp}::name = "Barnshut N-Body Simulator"
const char *	anonymous_namespace{Barneshut.cpp}::description
const char *	anonymous_namespace{Barneshut.cpp}::url = "barneshut"
const char *	anonymous_namespace{Barneshut.cpp}::help = "<numbodies> <ntimesteps> <seed>"
Config	anonymous_namespace{Barneshut.cpp}::config

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Detailed Description

Barnes-hut application -*- C++ -*-.

License

Galois, a framework to exploit amorphous data-parallelism in irregular programs.

Copyright (C) 2011, The University of Texas at Austin. All rights reserved. UNIVERSITY EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES CONCERNING THIS SOFTWARE AND DOCUMENTATION, INCLUDING ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE, NON-INFRINGEMENT AND WARRANTIES OF PERFORMANCE, AND ANY WARRANTY THAT MIGHT OTHERWISE ARISE FROM COURSE OF DEALING OR USAGE OF TRADE. NO WARRANTY IS EITHER EXPRESS OR IMPLIED WITH RESPECT TO THE USE OF THE SOFTWARE OR DOCUMENTATION. Under no circumstances shall University be liable for incidental, special, indirect, direct or consequential damages or loss of profits, interruption of business, or related expenses which may arise from use of Software or Documentation, including but not limited to those resulting from defects in Software and/or Documentation, or loss or inaccuracy of data of any kind.

Author:

Martin Burtscher <burtscher@txstate.edu>

Donald Nguyen <ddn@cs.utexas.edu>

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Function Documentation

int main	(	int	argc,
		const char **	argv
	)