michael@0: // Copyright 2009 the Sputnik authors.  All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * Closures are admitted
michael@0:  *
michael@0:  * @path ch13/13.0/S13_A18.js
michael@0:  * @description Using a function declaration as a function parameter
michael@0:  */
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#1
michael@0: if (typeof sinx !== 'undefined') {
michael@0: 	$ERROR('#1: typeof sinx === \'undefined\'. Actual: typeof sinx ==='+typeof sinx);
michael@0: }
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: var __val = function derivative(f, dx) {
michael@0:     return function(x) {
michael@0:       return (f(x + dx) - f(x)) / dx;
michael@0:     };
michael@0: }(function sinx(x){return Math.sin(x);},.0001)(0.5);
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#2
michael@0: if (typeof sinx !== 'undefined') {
michael@0: 	$ERROR('#2: typeof sinx === \'undefined\'. Actual: typeof sinx ==='+typeof sinx);
michael@0: }
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: