API Docs for: 1.0.0
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File: src/gallery-mathcanvas/js/Arccosine.js

  1. /**
  2.  * @module gallery-mathcanvas
  3.  */
  4.  
  5. /**********************************************************************
  6.  * <p>Inverse trigonometric cosine.</p>
  7.  * 
  8.  * @namespace MathFunction
  9.  * @class Arccosine
  10.  * @extends MathFunction.FunctionWithArgs
  11.  * @constructor
  12.  * @param f {MathFunction}
  13.  */
  14.  
  15. function MathArccosine(
  16. 	/* MathFunction */	f)
  17. {
  18. 	MathArccosine.superclass.constructor.call(this, MathArccosine.NAME, f);
  19. }
  20.  
  21. MathArccosine.NAME = 'arccos';
  22.  
  23. Y.extend(MathArccosine, MathFunctionWithArgs,
  24. {
  25. 	/**
  26. 	 * @method evaluate
  27. 	 * @param var_list {Object} map of variable names to values or MathFunctions
  28. 	 * @return the value of the function
  29. 	 */
  30. 	evaluate: function(
  31. 		/* map */	var_list)
  32. 	{
  33. 		return Math.acos(this.args[0].evaluate(var_list));
  34. 	}
  35. });
  36.  
  37. MathFunction.Arccosine = MathArccosine;
  38.  
  39. MathFunction.name_map[ MathArccosine.NAME ] =
  40. {
  41. 	applyTo: function(f)
  42. 	{
  43. 		return new MathArccosine(f);
  44. 	}
  45. };
  46.  
  47.