| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @assertion int signMask |
| /// Extract the sign bits 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 correct value is returned. |
| /// @author ngl@unipro.ru |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| var fl32x4 = new Float32x4(-1.0, 2.0, 3.0, 4.0); |
| int sm = fl32x4.signMask; |
| Expect.equals(0x00000001, sm); |
| |
| fl32x4 = new Float32x4(1.0, -2.0, 3.0, 4.0); |
| sm = fl32x4.signMask; |
| Expect.equals(0x00000002, sm); |
| |
| fl32x4 = new Float32x4(1.0, 2.0, -3.0, 4.0); |
| sm = fl32x4.signMask; |
| Expect.equals(0x00000004, sm); |
| |
| fl32x4 = new Float32x4(1.0, 2.0, 3.0, -4.0); |
| sm = fl32x4.signMask; |
| Expect.equals(0x00000008, sm); |
| |
| fl32x4 = new Float32x4(-1.0, -2.0, -3.0, -4.0); |
| sm = fl32x4.signMask; |
| Expect.equals(0x0000000F, sm); |
| } |