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<title>JSDoc: Source: genetic/linear/linearGPNode.js</title>
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<h1 class="page-title">Source: genetic/linear/linearGPNode.js</h1>
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<pre class="prettyprint source linenums"><code>var registerReference = require('./registerReference');
var utils = require('./../../infrastructure/utils');
/**
* Linear genetic programming node
* @constructor
* @param {function} func - A function that this node will represent
* @param {RegisterSet} registerSet - A register set instance
* @property {function} func - Linear indivdual options
* @property {RegisterReference[]} inputRegisters - An array of register references
*/
var LinearGPNode = function (func, registerSet) {
this.func = func;
this.inputRegisters = null;
this.setInputRegisters(registerSet);
};
/**
* Randomly sets two input registers based on the provided register set
* @param {RegisterSet} registerSet - A register set instance
* @returns {LinearGPNode} Reference to current object for chaining
*/
LinearGPNode.prototype.setInputRegisters = function (registerSet) {
var random = utils.random();
this.inputRegisters = [];
for (var i = 0; i < this.func.length; i++) {
if (random < 0.25) {
this.inputRegisters.push(registerReference.createInput(registerSet));
} else if (random < 0.5) {
this.inputRegisters.push(registerReference.createConstant(registerSet));
} else if (random < 0.75) {
this.inputRegisters.push(registerReference.createCalculation(registerSet));
} else {
this.inputRegisters.push(registerReference.createOutput(registerSet));
}
}
};
/**
* Returns the value returned by the nodes function based on the input values from a given register set
* @param {RegisterSet} registerSet - A register set instance
* @returns {*} Functon return value
*/
LinearGPNode.prototype.getFuncReturnValue = function (registerSet) {
var arguments = [];
for (var i = 0; i < this.inputRegisters.length; i++) {
arguments.push(this.inputRegisters[i].getValue(registerSet));
}
return this.func.apply(this, arguments);
};
/**
* Returns a comma seperated string of input registers
* @returns {string} A comma seperated string of input registers
*/
LinearGPNode.prototype.getArgumentsString = function () {
var arguments = "";
for (var i = 0; i < this.inputRegisters.length; i++) {
arguments += this.inputRegisters[i].toString();
if (i !== this.inputRegisters.length - 1) {
arguments += ", ";
}
}
return arguments;
};
exports.LinearGPNode = LinearGPNode;</code></pre>
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<h2><a href="index.html">Index</a></h2><h3>Classes</h3><ul><li><a href="Individual.html">Individual</a></li><li><a href="LinearConditionalNode.html">LinearConditionalNode</a></li><li><a href="LinearFunctionNode.html">LinearFunctionNode</a></li><li><a href="LinearGPNode.html">LinearGPNode</a></li><li><a href="LinearIndividual.html">LinearIndividual</a></li><li><a href="Population.html">Population</a></li><li><a href="RegisterReference.html">RegisterReference</a></li><li><a href="RegisterSet.html">RegisterSet</a></li></ul><h3>Global</h3><ul><li><a href="global.html#alphabet">alphabet</a></li><li><a href="global.html#arrayEqual">arrayEqual</a></li><li><a href="global.html#binaryNumber">binaryNumber</a></li><li><a href="global.html#binaryString">binaryString</a></li><li><a href="global.html#createCalculation">createCalculation</a></li><li><a href="global.html#createConstant">createConstant</a></li><li><a href="global.html#createInput">createInput</a></li><li><a href="global.html#createOutput">createOutput</a></li><li><a href="global.html#formatString">formatString</a></li><li><a href="global.html#fpEqual">fpEqual</a></li><li><a href="global.html#inherits">inherits</a></li><li><a href="global.html#linearNode">linearNode</a></li><li><a href="global.html#onePointFixed">onePointFixed</a></li><li><a href="global.html#onePointVariable">onePointVariable</a></li><li><a href="global.html#randBetween">randBetween</a></li><li><a href="global.html#random">random</a></li><li><a href="global.html#randomNumber">randomNumber</a></li><li><a href="global.html#rank">rank</a></li><li><a href="global.html#rouletteWheel">rouletteWheel</a></li><li><a href="global.html#selectRandom">selectRandom</a></li><li><a href="global.html#swapGenes">swapGenes</a></li><li><a href="global.html#tournament">tournament</a></li><li><a href="global.html#twoPointFixed">twoPointFixed</a></li><li><a href="global.html#twoPointVariable">twoPointVariable</a></li><li><a href="global.html#uniform">uniform</a></li><li><a href="global.html#validateFixedLength">validateFixedLength</a></li><li><a href="global.html#validateMinimumLength">validateMinimumLength</a></li><li><a href="global.html#validateVariableLength">validateVariableLength</a></li></ul>
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