@zfunction/genetics-js/lib/mutation/numeric/base/NumericNonUniformMutation.js

Genetic and evolutionary algorithms framework for the web

"use strict";
/*
 * @license
 * Copyright (c) 2019 Cristian Abrante. All rights reserved.
 * Licensed under the MIT License. See LICENSE in the project root for license information.
 */
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
var utils_1 = require("../../../generator/utils");
var base_1 = require("../../../individual/numeric/base");
var base_2 = require("../../base");
var NumericNonUniformMutation = /** @class */ (function (_super) {
    __extends(NumericNonUniformMutation, _super);
    function NumericNonUniformMutation() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    NumericNonUniformMutation.prototype.mutate = function (individual, stepSize, engine) {
        if (stepSize === void 0) { stepSize = 1.0; }
        if (engine === void 0) { engine = utils_1.Generator.DEFAULT_ENGINE; }
        this.mutateWith(individual, { stepSize: stepSize, engine: engine });
    };
    NumericNonUniformMutation.prototype.mutateGene = function (individual, index, params) {
        var gene = individual.get(index);
        var delta = this.getDeltaValue(params);
        var newGene = base_1.NumericRange.normalizeValueToRange(gene + delta, individual.range);
        individual.set(index, newGene);
    };
    return NumericNonUniformMutation;
}(base_2.MutationBase));
exports.NumericNonUniformMutation = NumericNonUniformMutation;
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