The Tor Browser / file comparison
comparison: js/src/tests/test262/ch13/13.2/S13.2.1_A5_T2.js
js/src/tests/test262/ch13/13.2/S13.2.1_A5_T2.js
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:51f8fe1e0d6e |
|---|---|
| 1 // Copyright 2009 the Sputnik authors. All rights reserved. | |
| 2 // This code is governed by the BSD license found in the LICENSE file. | |
| 3 | |
| 4 /** | |
| 5 * Closures are admitted | |
| 6 * | |
| 7 * @path ch13/13.2/S13.2.1_A5_T2.js | |
| 8 * @description Returning a function that approximates the derivative of f | |
| 9 * using an interval of dx, which should be appropriately small | |
| 10 */ | |
| 11 | |
| 12 // Return a function that approximates the derivative of f | |
| 13 // using an interval of dx, which should be appropriately small. | |
| 14 function derivative(f, dx) { | |
| 15 return function(x) { | |
| 16 return (f(x + dx) - f(x)) / dx; | |
| 17 }; | |
| 18 } | |
| 19 | |
| 20 ////////////////////////////////////////////////////////////////////////////// | |
| 21 //CHECK#1 | |
| 22 if (Math.abs(derivative(Math.sin, 0.0001)(0) - derivative(Math.sin, 0.0001)(2*Math.PI)) >= 1/65536.0) { | |
| 23 $ERROR('#1: Math.abs(derivative(Math.sin, 0.0001)(0) - derivative(Math.sin, 0.0001)(2*Math.PI)) <= 1/65536.0'); | |
| 24 } | |
| 25 // | |
| 26 ////////////////////////////////////////////////////////////////////////////// | |
| 27 |
