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import Random from 'senkowsh/src/konpeito/Random.js'

public class | source

Random

乱数を扱うクラス

Constructor Summary

Public Constructor
public	constructor(seed: number) 初期化

Member Summary

Private Members
private	haveNextNextGaussian: boolean Is keep random numbers based on Gaussian distribution.
private	nextNextGaussian: number Next random number based on Gaussian distribution.

Method Summary

Public Methods
public	next(bits: number): number 指定したビット長以下で表せられる乱数生成
public	nextBoolean(): boolean bool値の乱数
public	nextBytes(size: number): Array<number> 8ビット長整数の乱数の配列
public	nextDouble(): number double精度の実数
public	nextFloat(): number float精度の実数
public	nextGaussian(): number ガウシアン分布に従う乱数
public	nextInt(x: number): number 32ビット長整数の乱数
public	nextLong(): number 64ビット長整数の乱数
public	nextShort(): number 16ビット長整数の乱数
public	setSeed(seed: number) シード値の初期化

Private Methods
private	genrand_int32(): number 32-bit random number.

Public Constructors

public constructor(seed: number) source

初期化

Params:

Name	Type	Attribute	Description
seed	number	optional	Seed number for random number generation. If not specified, create from time.

Private Members

private haveNextNextGaussian: boolean source

Is keep random numbers based on Gaussian distribution.

private nextNextGaussian: number source

Next random number based on Gaussian distribution.

Public Methods

public next(bits: number): number source

指定したビット長以下で表せられる乱数生成

Params:

Name	Type	Attribute	Description
bits	number		Required number of bits (up to 64 possible).

Return:

public nextBoolean(): boolean source

bool値の乱数

Return:

public nextBytes(size: number): Array<number> source

8ビット長整数の乱数の配列

Params:

Name	Type	Attribute	Description
size	number		必要な長さ

Return:

public nextDouble(): number source

double精度の実数

Return:

public nextFloat(): number source

float精度の実数

Return:

public nextGaussian(): number source

ガウシアン分布に従う乱数

Return:

public nextInt(x: number): number source

32ビット長整数の乱数

Params:

Name	Type	Attribute	Description
x	number	optional	指定した値未満の数値を作る

Return:

public nextLong(): number source

64ビット長整数の乱数

Return:

public nextShort(): number source

16ビット長整数の乱数

Return:

public setSeed(seed: number) source

シード値の初期化

Params:

Name	Type	Attribute	Description
seed	number

Private Methods

private genrand_int32(): number source

32-bit random number.

Return:

32ビットの乱数