js/src/tests/js1_7/geniter/fibonacci-matrix-generator.js@6474c204b198 (annotated)
js/src/tests/js1_7/geniter/fibonacci-matrix-generator.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | //----------------------------------------------------------------------------- |
| michael@0 | 7 | var BUGNUMBER = "(none)"; |
| michael@0 | 8 | var summary = "Fibonacci generator by matrix multiplication"; |
| michael@0 | 9 | var actual, expect; |
| michael@0 | 10 | |
| michael@0 | 11 | printBugNumber(BUGNUMBER); |
| michael@0 | 12 | printStatus(summary); |
| michael@0 | 13 | |
| michael@0 | 14 | /************** |
| michael@0 | 15 | * BEGIN TEST * |
| michael@0 | 16 | **************/ |
| michael@0 | 17 | |
| michael@0 | 18 | function fib() |
| michael@0 | 19 | { |
| michael@0 | 20 | var init = [1, 0]; |
| michael@0 | 21 | var mx = [[1, 1], [1, 0]]; |
| michael@0 | 22 | while (true) |
| michael@0 | 23 | { |
| michael@0 | 24 | yield init[1]; |
| michael@0 | 25 | var tmp = [,]; |
| michael@0 | 26 | tmp[0] = |
| michael@0 | 27 | mx[0][0]*init[0] + mx[0][1]*init[1]; |
| michael@0 | 28 | tmp[1] = |
| michael@0 | 29 | mx[1][0]*init[0] + mx[1][1]*init[1]; |
| michael@0 | 30 | init = tmp; |
| michael@0 | 31 | } |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | var failed = false; |
| michael@0 | 35 | var it = fib(); |
| michael@0 | 36 | |
| michael@0 | 37 | try |
| michael@0 | 38 | { |
| michael@0 | 39 | if (it.next() != 0) |
| michael@0 | 40 | throw "F_0 failed"; |
| michael@0 | 41 | if (it.next() != 1) |
| michael@0 | 42 | throw "F_1 failed"; |
| michael@0 | 43 | if (it.next() != 1) |
| michael@0 | 44 | throw "F_2 failed"; |
| michael@0 | 45 | if (it.next() != 2) |
| michael@0 | 46 | throw "F_3 failed"; |
| michael@0 | 47 | if (it.next() != 3) |
| michael@0 | 48 | throw "F_4 failed"; |
| michael@0 | 49 | if (it.next() != 5) |
| michael@0 | 50 | throw "F_5 failed"; |
| michael@0 | 51 | if (it.next() != 8) |
| michael@0 | 52 | throw "F_6 failed"; |
| michael@0 | 53 | } |
| michael@0 | 54 | catch (e) |
| michael@0 | 55 | { |
| michael@0 | 56 | failed = e; |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | |
| michael@0 | 60 | |
| michael@0 | 61 | expect = false; |
| michael@0 | 62 | actual = failed; |
| michael@0 | 63 | |
| michael@0 | 64 | reportCompare(expect, actual, summary); |
