@zfunction/genetics-js
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Genetic and evolutionary algorithms framework for the web
24 lines (23 loc) • 1.18 kB
TypeScript
import { Engine } from 'random-js';
import { NumericRange } from '../../individual/numeric/base';
export declare class Generator {
static DEFAULT_ENGINE: Engine;
static probabilityIsValid(probability: number): boolean;
static generateProbability(engine?: Engine): number;
static generateBoolean(chance?: number, engine?: Engine): boolean;
static generateInteger(range?: NumericRange, engine?: Engine): number;
static generateFloating(range?: NumericRange, engine?: Engine): number;
static generateNormalDistributionValue(mean?: number, stdVar?: number, engine?: Engine): number;
static generateNormalDistributionInteger(mean?: number, stdVar?: number, engine?: Engine): number;
/**
* This method is used due to an issue with
* `random-js`. It does not accept `Number.Infinity` as
* the lowest or highest number, instead it expects
* `2 ** 53` as it maximum or `-2 ** 53` as its minimum.
* So the range must be normalized.
* @param range that we want to normalize.
* @return normalized range.
*/
private static normalizeIntegerRange;
private static checkProbability;
}