| /* |
| * 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 Float32x4 scale(double s) |
| * Returns a copy of this each lane being scaled by s. Equivalent to |
| * this * new Float32x4.splat(s). |
| * |
| * Returns a copy of [this] each lane being scaled by [s]. |
| * @description Checks that the returned value contains corresponding lanes |
| * of [this] scaled by [s]. |
| * @author msyabro |
| */ |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| check(x, y, z, w, s) { |
| var obj = new Float32x4(x,y,z,w); |
| var res = obj.scale(s); |
| Expect.approxEquals(obj.x * s, res.x, (res.x / 1e7).abs()); |
| Expect.approxEquals(obj.y * s, res.y, (res.y / 1e7).abs()); |
| Expect.approxEquals(obj.z * s, res.z, (res.z / 1e7).abs()); |
| Expect.approxEquals(obj.w * s, res.w, (res.w / 1e7).abs()); |
| } |
| |
| main() { |
| check(1.0, 1.0, 1.0, 1.0, .0); |
| check(1.0, 1.0, 1.0, 1.0, 1.0); |
| check(2.0, 2.0, 2.0, 2.0, .5); |
| check(0.5, 0.2, 10.5, 0.13, 1.12e-3); |
| check(1e-10, 2.43e-14, 0.23e3, 9.31e18, 0.97e3); |
| } |