The Tor Browser / file comparison
comparison: js/src/tests/js1_5/Regress/regress-329383.js
js/src/tests/js1_5/Regress/regress-329383.js
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:c18545754147 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 //----------------------------------------------------------------------------- | |
| 7 var BUGNUMBER = 329383; | |
| 8 var summary = 'Math copysign issues'; | |
| 9 var actual = ''; | |
| 10 var expect = ''; | |
| 11 | |
| 12 printBugNumber(BUGNUMBER); | |
| 13 printStatus (summary); | |
| 14 | |
| 15 var inputs = [ | |
| 16 -Infinity, | |
| 17 -10.01, | |
| 18 -9.01, | |
| 19 -8.01, | |
| 20 -7.01, | |
| 21 -6.01, | |
| 22 -5.01, | |
| 23 -4.01, | |
| 24 -Math.PI, | |
| 25 -3.01, | |
| 26 -2.01, | |
| 27 -1.01, | |
| 28 -0.5, | |
| 29 -0.49, | |
| 30 -0.01, | |
| 31 -0, | |
| 32 0, | |
| 33 +0, | |
| 34 0.01, | |
| 35 0.49, | |
| 36 0.50, | |
| 37 0, | |
| 38 1.01, | |
| 39 2.01, | |
| 40 3.01, | |
| 41 Math.PI, | |
| 42 4.01, | |
| 43 5.01, | |
| 44 6.01, | |
| 45 7.01, | |
| 46 8.01, | |
| 47 9.01, | |
| 48 10.01, | |
| 49 Infinity | |
| 50 ]; | |
| 51 | |
| 52 var iinput; | |
| 53 | |
| 54 for (iinput = 0; iinput < inputs.length; iinput++) | |
| 55 { | |
| 56 var input = inputs[iinput]; | |
| 57 reportCompare(Math.round(input), | |
| 58 emulateRound(input), | |
| 59 summary + ': Math.round(' + input + ')'); | |
| 60 } | |
| 61 | |
| 62 reportCompare(isNaN(Math.round(NaN)), | |
| 63 isNaN(emulateRound(NaN)), | |
| 64 summary + ': Math.round(' + input + ')'); | |
| 65 | |
| 66 function emulateRound(x) | |
| 67 { | |
| 68 if (!isFinite(x) || x === 0) return x | |
| 69 if (-0.5 <= x && x < 0) return -0 | |
| 70 return Math.floor(x + 0.5) | |
| 71 } | |
| 72 | |
| 73 var z; | |
| 74 | |
| 75 z = Math.min(-0, 0); | |
| 76 | |
| 77 reportCompare(-Math.PI, Math.atan2(z, z), summary + ': Math.atan2(-0, -0)'); | |
| 78 reportCompare(-Infinity, 1/z, summary + ': 1/-0'); | |
| 79 | |
| 80 z = Math.max(-0, 0); | |
| 81 | |
| 82 reportCompare(0, Math.atan2(z, z), summary + ': Math.atan2(0, 0)'); | |
| 83 reportCompare(Infinity, 1/z, summary + ': 1/0'); |
