SSJ
3.3.1
Stochastic Simulation in Java
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This class implements a random variate generator for the uniform distribution over integers, over the interval \([i,j]\). More...
Public Member Functions | |
UniformIntGen (RandomStream s, int i, int j) | |
Creates a uniform random variate generator over the integers in the closed interval \([i, j]\), using stream s . | |
UniformIntGen (RandomStream s, UniformIntDist dist) | |
Creates a new generator for the distribution dist , using stream s . | |
int | getI () |
Returns the parameter \(i\). | |
int | getJ () |
Returns the parameter \(j\). | |
Public Member Functions inherited from RandomVariateGenInt | |
RandomVariateGenInt (RandomStream s, DiscreteDistributionInt dist) | |
Creates a new random variate generator for the discrete distribution dist , using stream s . More... | |
int | nextInt () |
Generates a random number (an integer) from the discrete distribution contained in this object. More... | |
void | nextArrayOfInt (int[] v, int start, int n) |
Generates n random numbers from the discrete distribution contained in this object. More... | |
int [] | nextArrayOfInt (int n) |
Generates n random numbers from the discrete distribution contained in this object, and returns them in a new array of size n . More... | |
DiscreteDistributionInt | getDistribution () |
Returns the umontreal.ssj.probdist.DiscreteDistributionInt used by this generator. More... | |
Public Member Functions inherited from RandomVariateGen | |
RandomVariateGen (RandomStream s, Distribution dist) | |
Creates a new random variate generator from the distribution dist , using stream s . More... | |
double | nextDouble () |
Generates a random number from the continuous distribution contained in this object. More... | |
void | nextArrayOfDouble (double[] v, int start, int n) |
Generates n random numbers from the continuous distribution contained in this object. More... | |
double [] | nextArrayOfDouble (int n) |
Generates n random numbers from the continuous distribution contained in this object, and returns them in a new array of size n . More... | |
RandomStream | getStream () |
Returns the umontreal.ssj.rng.RandomStream used by this generator. More... | |
void | setStream (RandomStream stream) |
Sets the umontreal.ssj.rng.RandomStream used by this generator to stream . | |
Distribution | getDistribution () |
Returns the umontreal.ssj.probdist.Distribution used by this generator. More... | |
String | toString () |
Returns a String containing information about the current generator. | |
Static Public Member Functions | |
static int | nextInt (RandomStream s, int i, int j) |
Generates a new uniform random variate over the interval \([i,j]\), using stream s , by inversion. | |
Protected Member Functions | |
void | setParams (int i, int j) |
Protected Attributes | |
int | left |
int | right |
Protected Attributes inherited from RandomVariateGen | |
RandomStream | stream |
Distribution | dist |
This class implements a random variate generator for the uniform distribution over integers, over the interval \([i,j]\).
\[ p(x) = \frac{1}{j - i + 1} \qquad\mbox{ for } x = i, i + 1, …, j \tag{fmassuniformint} \]
and 0 elsewhere.