| Package | com.yworks.bridge.util |
| Class | public class Random |
| Inheritance | Random  YObject Object |
| Subclasses | YRandom |
Based on a fast XOR-Shift PRNG by Marsaglia, George. (2003). Xorshift RNGs. http://www.jstatsoft.org/v08/i14/xorshift.pdf
| Property | Defined By | ||
|---|---|---|---|
| seed : int [write-only]
Sets an int value as seed. | Random | ||
| Method | Defined By | ||
|---|---|---|---|
Random(init:Boolean = true)
Construct a random generator with the current time of day in milliseconds as the initial state. | Random | ||
 | equals(o:Object):Boolean | YObject | |
getClass():Class [override] | Random | ||
| hashCode():int | YObject | |
[static]
Construct a random generator with the current time of day in milliseconds
as the initial state. | Random | ||
[static]
Construct a random generator with the given seed as the initial state. | Random | ||
nextBoolean():Boolean
Answers the next pseudo-random, uniformly distributed boolean value generated by this generator. | Random | ||
nextBytes(buf:Vector.<int>):void
Modifies the byte array by a random sequence of bytes generated by this random number generator. | Random | ||
nextDouble():Number
Generates a normally distributed random double number between 0.0 inclusively and 1.0 exclusively. | Random | ||
nextFloat():Number
Generates a normally distributed random float number between 0.0 inclusively and 1.0 exclusively. | Random | ||
nextGaussian():Number
Returns a pseudo-randomly generated, normally distributed double value with mean 0.0 and a standard deviation value of 1.0. | Random | ||
nextInt():int
Generates a uniformly distributed 32-bit int value from the this random number sequence. | Random | ||
nextInt2(n:int):int
Returns a new pseudo-random integer value which is uniformly distributed between 0 (inclusively) and n (exclusively). | Random | ||
Generates a uniformly distributed 64-bit int value from the this random
number sequence. | Random | ||
| Method | Defined By | ||
|---|---|---|---|
initRandom1():void
Initializes this object. | Random | ||
initRandom2(seed:LongImpl):void
Initializes this object. | Random | ||
next(bits:int):int
Returns a pseudo-random uniformly distributed int value of the number of bits specified by the argument bits. | Random | ||
| seed | property |
Hide Inherited Public Methods
Show Inherited Public Methodsseed:int [write-only] Sets an int value as seed.
public function set seed(value:int):voidSee also
| Random | () | Constructor |
public function Random(init:Boolean = true)Construct a random generator with the current time of day in milliseconds as the initial state.
Parametersinit:Boolean (default = true) |
See also
| getClass | () | method |
override public function getClass():ClassReturnsClass |
| initRandom1 | () | method |
protected final function initRandom1():void
Initializes this object. See the documentation of the corresponding factory
method newRandom1() for details.
See also
| initRandom2 | () | method |
protected final function initRandom2(seed:LongImpl):void
Initializes this object. See the documentation of the corresponding factory method newRandom2() for details.
Parameters
seed:LongImpl |
See also
| newRandom1 | () | method |
public static function newRandom1():RandomConstruct a random generator with the current time of day in milliseconds as the initial state.
ReturnsRandom |
See also
| newRandom2 | () | method |
public static function newRandom2(seed:LongImpl):Random
Construct a random generator with the given seed as the initial state.
Parameters
seed:LongImpl — the seed that will determine the initial state of this random number generator
|
Random |
See also
| next | () | method |
protected function next(bits:int):int
Returns a pseudo-random uniformly distributed int value of the number of bits specified by the argument bits.
Implements D. H. Lehmer's random number algorithm found in The Art of Computer Programming, Volume 2: Seminumerical Algorithms, by Donald E. Knuth (section 3.2.1).
Parameters
bits:int — number of bits of the returned value
|
int — a pseudo-randomly generated int
|
See also
| nextBoolean | () | method |
public function nextBoolean():BooleanAnswers the next pseudo-random, uniformly distributed boolean value generated by this generator.
ReturnsBoolean — boolean a pseudo-random, uniformly distributed boolean value
|
| nextBytes | () | method |
public function nextBytes(buf:Vector.<int>):voidModifies the byte array by a random sequence of bytes generated by this random number generator.
Parameters
buf:Vector.<int> — non-null array to contain the new random bytes
|
See also
| nextDouble | () | method |
public function nextDouble():NumberGenerates a normally distributed random double number between 0.0 inclusively and 1.0 exclusively.
ReturnsNumber — a random double between 0.0 and 1.0
|
See also
| nextFloat | () | method |
public function nextFloat():NumberGenerates a normally distributed random float number between 0.0 inclusively and 1.0 exclusively.
ReturnsNumber — a random float between 0.0 and 1.0
|
See also
| nextGaussian | () | method |
public function nextGaussian():Number
Returns a pseudo-randomly generated, normally distributed double value with mean 0.0 and a standard deviation value of 1.0.
Implements G. E. P. Box, M. E. Muller, and G. Marsaglia's polar method found in The Art of Computer Programming, Volume 2: Seminumerical Algorithms, by Donald E. Knuth (section 3.4.1).
Number — a pseudo-randomly generated double
|
See also
| nextInt | () | method |
public function nextInt():int
Generates a uniformly distributed 32-bit int value from the this random number sequence.
int — a randomly generated int
|
See also
| nextInt2 | () | method |
public function nextInt2(n:int):int
Returns a new pseudo-random integer value which is uniformly distributed between 0 (inclusively) and n (exclusively).
Parameters
n:int — the upper limit of the values that can be returned
|
int — a randomly generated int between 0 and n
|
| nextLong | () | method |
public function nextLong():LongImpl
Generates a uniformly distributed 64-bit int value from the this random
number sequence.
LongImpl — 64-bit int random number
|
See also