File: src/gallery-mathcanvas/js/Arccosine.js
/**
* @module gallery-mathcanvas
*/
/**********************************************************************
* <p>Inverse trigonometric cosine.</p>
*
* @namespace MathFunction
* @class Arccosine
* @extends MathFunction.FunctionWithArgs
* @constructor
* @param f {MathFunction}
*/
function MathArccosine(
/* MathFunction */ f)
{
MathArccosine.superclass.constructor.call(this, MathArccosine.NAME, f);
}
MathArccosine.NAME = 'arccos';
Y.extend(MathArccosine, MathFunctionWithArgs,
{
/**
* @method evaluate
* @param var_list {Object} map of variable names to values or MathFunctions
* @return the value of the function
*/
evaluate: function(
/* map */ var_list)
{
return Math.acos(this.args[0].evaluate(var_list));
}
});
MathFunction.Arccosine = MathArccosine;
MathFunction.name_map[ MathArccosine.NAME ] =
{
applyTo: function(f)
{
return new MathArccosine(f);
}
};