| /* |
| * Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| * for details. All rights reserved. Use of this source code is governed by a |
| * BSD-style license that can be found in the LICENSE file. |
| */ |
| /** |
| * @assertion E reduce(E combine(E previousValue, E element)) |
| * Reduces a collection to a single value by iteratively combining |
| * elements of the collection using the provided function. |
| * @description Checks that the returned value is correct. |
| * @author msyabro |
| */ |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| pack(v) => new Float32x4.splat(v); |
| |
| equal(obj1, obj2) { |
| var res = obj1.equal(obj2); |
| return res.flagX && res.flagY && res.flagZ && res.flagW; |
| } |
| |
| check(list, expected) { |
| var l = new Float32x4List.fromList(list); |
| var res = l.reduce((prev, cur) => prev + cur); |
| Expect.isTrue(equal(expected, res)); |
| } |
| |
| checkConst(list, expected) { |
| var l = new Float32x4List.fromList(list); |
| var res = l.reduce((prev, cur) => 1); |
| Expect.equals(expected, res); |
| } |
| |
| |
| main() { |
| check([pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0), pack(6.0), pack(7.0), pack(8.0), pack(9.0), pack(10.0)], pack(55.0)); |
| check([pack(10.0), pack(-1.0), pack(-2.0), pack(-3.0), pack(-4.0)], pack(0.0)); |
| |
| checkConst([pack(1.0), pack(2.0), pack(3.0)], 1.0); |
| } |