particledistribution Class Reference

Common interface for distributions. A particular distribution uses only the variables it needs. All variables share the same interface to allow for variable bindings. More...

#include <particleranvd.h>

Inheritance diagram for particledistribution:

Collaboration diagram for particledistribution:

List of all members.

Public Member Functions
	particledistribution ()
	Bad state.
void	randomposition (particle &p) const
	Randomly place the particle within the box.
Public Attributes
double	radius
	Particle radius.
double	vmax
	Maximum particle velocity.
double	theta0
	Initial angle of particle.
boxcollision	box
	2D bounding box.
Protected Attributes
random11	r11
	Generate random numbers [0,1].

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Detailed Description

Common interface for distributions. A particular distribution uses only the variables it needs. All variables share the same interface to allow for variable bindings.

Definition at line 18 of file particleranvd.h.

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Constructor & Destructor Documentation

particledistribution::particledistribution

(

)

[inline]

Bad state.

Definition at line 37 of file particleranvd.h.

    : radius(0.0), vmax(0.0), theta0(0.0),
      box(0.0,0.0,0.0,0.0) {}

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Member Function Documentation

void particledistribution::randomposition

(

particle &

p

)

const [inline]

Randomly place the particle within the box.

Definition at line 42 of file particleranvd.h.

References box, particle::pos, r11, particle::radius, boxcollision::x0, boxcollision::x1, boxcollision::y0, and boxcollision::y1.

Referenced by particlev0theta0::eval(), particlev0::eval(), particleranvd::eval(), and test03().

  {
    doublec pradius(p.radius);
    p.pos[0] = box.x0 + pradius + (box.x1-box.x0-2.0*pradius)*r11();
    p.pos[1] = box.y0 + pradius + (box.y1-box.y0-2.0*pradius)*r11();
  }

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Member Data Documentation

boxcollision particledistribution::box

2D bounding box.

Definition at line 34 of file particleranvd.h.

Referenced by particlev0spaced::eval(), randomposition(), and test03().

random11 particledistribution::r11 [protected]

Generate random numbers [0,1].

Definition at line 22 of file particleranvd.h.

Referenced by particlev0spaced::eval(), particlev0::eval(), particleranvd::eval(), and randomposition().

double particledistribution::radius

Particle radius.

Definition at line 27 of file particleranvd.h.

Referenced by particlev0spaced::eval(), particlev0theta0::eval(), particlev0::eval(), and particleranvd::eval().

double particledistribution::theta0

Initial angle of particle.

Definition at line 31 of file particleranvd.h.

Referenced by particlev0theta0::eval().

double particledistribution::vmax

Maximum particle velocity.

Definition at line 29 of file particleranvd.h.

Referenced by particlev0spaced::eval(), particlev0theta0::eval(), particlev0::eval(), and particleranvd::eval().

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

• nbody/particleranvd.h