| // Copyright (c) 2017, 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 int signMask |
| /// Extract the top bit from each lane return them in the first 4 bits. "x" lane |
| /// is bit 0. "y" lane is bit 1. "z" lane is bit 2. "w" lane is bit 3. |
| /// @description Checks that the returned signMask is correct. |
| /// @author ngl@unipro.ru |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| check(x, y, z, w, sm) { |
| var obj = new Int32x4(x, y, z, w); |
| var res = obj.signMask; |
| Expect.equals(sm, res); |
| } |
| |
| main() { |
| check(1, 1, 0, 1, 0); |
| check(-1, 1, 1, 1, 1); |
| check(1, -1, 1, 0, 2); |
| check(1, 1, -1, 1, 4); |
| check(1, 1, 1, -1, 8); |
| check(-1, -1, -1, -1, 15); |
| } |