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 umontreal.ssj.randvar.RandomVariateGenInt | |
| RandomVariateGenInt (RandomStream s, DiscreteDistributionInt dist) | |
| Creates a new random variate generator for the discrete distribution dist, using stream s. | |
| int | nextInt () |
| Generates a random number (an integer) from the discrete distribution contained in this object. | |
| void | nextArrayOfInt (int[] v, int start, int n) |
| Generates n random numbers from the discrete distribution contained in this object. | |
| 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. | |
| DiscreteDistributionInt | getDistribution () |
| Returns the umontreal.ssj.probdist.DiscreteDistributionInt used by this generator. | |
| Public Member Functions inherited from umontreal.ssj.randvar.RandomVariateGen | |
| RandomVariateGen (RandomStream s, Distribution dist) | |
| Creates a new random variate generator from the distribution dist, using stream s. | |
| double | nextDouble () |
| Generates a random number from the continuous distribution contained in this object. | |
| void | nextArrayOfDouble (double[] v, int start, int n) |
| Generates n random numbers from the continuous distribution contained in this object. | |
| 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. | |
| RandomStream | getStream () |
| Returns the umontreal.ssj.rng.RandomStream used by this generator. | |
| void | setStream (RandomStream stream) |
| Sets the umontreal.ssj.rng.RandomStream used by this generator to stream. | |
| 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. | |
Detailed Description
This class implements a random variate generator for the uniform distribution over integers, over the interval \([i,j]\).
Its mass function is
\[ p(x) = \frac{1}{j - i + 1} \qquad\mbox{ for } x = i, i + 1, …, j \tag{fmassuniformint} \]
and 0 elsewhere.
Definition at line 43 of file UniformIntGen.java.
Constructor & Destructor Documentation
◆ UniformIntGen() [1/2]
| umontreal.ssj.randvar.UniformIntGen.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.
Definition at line 51 of file UniformIntGen.java.
◆ UniformIntGen() [2/2]
| umontreal.ssj.randvar.UniformIntGen.UniformIntGen | ( | RandomStream | s, |
| UniformIntDist | dist ) |
Creates a new generator for the distribution dist, using stream s.
Definition at line 59 of file UniformIntGen.java.
Member Function Documentation
◆ getI()
| int umontreal.ssj.randvar.UniformIntGen.getI | ( | ) |
Returns the parameter \(i\).
Definition at line 77 of file UniformIntGen.java.
◆ getJ()
| int umontreal.ssj.randvar.UniformIntGen.getJ | ( | ) |
Returns the parameter \(j\).
Definition at line 84 of file UniformIntGen.java.
◆ nextInt()
|
static |
Generates a new uniform random variate over the interval.
\([i,j]\), using stream s, by inversion.
Definition at line 70 of file UniformIntGen.java.
The documentation for this class was generated from the following file:
- src/main/java/umontreal/ssj/randvar/UniformIntGen.java
