al::rnd::Random< RNG > Class Template Reference

#include <C:/Users/Andres/source/repos/casm_viewer/external/tinc/external/allolib/include/al/math/al_Random.hpp>

Public Member Functions
	Random ()
	Default constructor uses a randomly generated seed.
	Random (uint32_t seed)
Random &	seed (uint32_t v)
	Set seed.
RNG &	rng ()
	Get underlying random number generator.
float	uniform ()
	Returns uniform random in [0, 1)
template<class T >
T	uniform (const T &hi)
	Returns uniform random in [0, hi)
template<class T >
T	uniform (const T &hi, const T &lo)
	Returns uniform random in [lo, hi)
float	uniformS ()
	Returns uniform random in [-1, 1)
template<class T >
T	uniformS (const T &lim)
	Returns uniform random in [-lim, lim)
template<int N, class T >
void	ball (T *point)
	Returns point within a unit ball. More...
template<template< int, class > class VecType, int N, class T >
void	ball (VecType< N, T > &point)
	Returns point within a unit ball.
template<class VecType >
VecType	ball ()
	Returns point within a unit ball.
float	normal ()
	Returns standard normal variate.
template<class T >
void	normal (T &y1, T &y2)
	Returns two standard normal variates (for the price of one)
float	triangle ()
	Returns triangle distribution variate, in (-1,1)
template<class T >
T	triangle (const T &hi)
	Returns triangle distribution variate, in (-hi,hi)
float	sign (float x=1.f)
	Returns argument with sign randomly flipped.
bool	prob ()
	Returns true with a probability of 0.5.
bool	prob (float p)
	Returns true with a probability of p.
template<class T >
void	shuffle (T *arr, uint32_t len)
	Randomly shuffles elements in array.
float	gaussian ()
template<class T >
void	gaussian (T &y1, T &y2)

Protected Attributes
RNG	mRNG

Detailed Description

template<class RNG = al::rnd::Tausworthe>
class al::rnd::Random< RNG >

Random distribution generator

Definition at line 77 of file al_Random.hpp.

Constructor & Destructor Documentation

Random()

template<class RNG = al::rnd::Tausworthe>

al::rnd::Random< RNG >::Random ( uint32_t  seed )

inline

Parameters

[in]

seed

Initial seed value

Definition at line 83 of file al_Random.hpp.

Member Function Documentation

ball()

template<class RNG >

template<int N, class T >

void al::rnd::Random< RNG >::ball

(

T *

point

)

Returns point within a unit ball.

To get a random point on a sphere, simply normalize the result.

Template Parameters

N	dimensions of ball

Parameters

[in]

point

an array of size N

Definition at line 355 of file al_Random.hpp.

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

• al_Random.hpp