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<title>JSDoc: Source: genetic/linear/linearFunctionNode.js</title>
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<h1 class="page-title">Source: genetic/linear/linearFunctionNode.js</h1>
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<pre class="prettyprint source linenums"><code>var utils = require('./../../infrastructure/utils');
var LinearGPNode = require('./linearGPNode').LinearGPNode;
var registerReference = require('./registerReference');
/**
* Linear genetic programming function node
* @constructor
* @extends LinearGPNode
* @param {function} func - A function that this node will represent
* @param {RegisterSet} registerSet - A register set instance
* @property {RegisterReference} targetRegister - A target register reference
*/
var LinearFunctionNode = function (func, registerSet) {
LinearGPNode.call(this, func, registerSet);
this.targetRegister = null;
this.setTargetRegister(registerSet);
return this;
};
utils.inherits(LinearFunctionNode, LinearGPNode);
/**
* Randomly sets the target register based on the provided register set
* @param {RegisterSet} registerSet - A register set instance
* @returns {LinearFunctionNode} Reference to current object for chaining
*/
LinearFunctionNode.prototype.setTargetRegister = function (registerSet) {
var pCalulcation = registerSet.calc.length / registerSet.getTotalWritableRegisters();
if (utils.random() < pCalulcation) {
this.targetRegister = new registerReference.createCalculation(registerSet);
} else {
this.targetRegister = new registerReference.createOutput(registerSet);
}
return this;
};
/**
* Sets the target register value based on the return value of the function from the given register set
* @param {RegisterSet} registerSet - A register set instance
* @returns {LinearFunctionNode} Reference to current object for chaining
*/
LinearFunctionNode.prototype.execute = function (registerSet) {
this.targetRegister.setValue(registerSet, this.getFuncReturnValue(registerSet));
return this;
};
/**
* Returns a string representation of the linear function node
* @returns {string} A string representation of the linear function node
*/
LinearFunctionNode.prototype.toString = function () {
var argumentsArray = [this.targetRegister.toString(), this.func.name, this.getArgumentsString()];
return utils.formatString("{0} = {1}({2});", argumentsArray);
};
exports.LinearFunctionNode = LinearFunctionNode;</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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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-alpha9</a> on Sat Aug 16 2014 23:33:39 GMT+0100 (GMT Summer Time)
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