| // 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. |
| // VMOptions=--optimization-counter-threshold=10 --no-background-compilation |
| |
| // @dart = 2.9 |
| |
| // Library tag to be able to run in html test framework. |
| library float32x4_sign_mask; |
| |
| import 'dart:typed_data'; |
| import 'package:expect/expect.dart'; |
| |
| void testImmediates() { |
| var f = new Float32x4(1.0, 2.0, 3.0, 4.0); |
| var m = f.signMask; |
| Expect.equals(0x0, m); |
| f = new Float32x4(-1.0, -2.0, -3.0, -0.0); |
| m = f.signMask; |
| Expect.equals(0xf, m); |
| f = new Float32x4(-1.0, 2.0, 3.0, 4.0); |
| m = f.signMask; |
| Expect.equals(0x1, m); |
| f = new Float32x4(1.0, -2.0, 3.0, 4.0); |
| m = f.signMask; |
| Expect.equals(0x2, m); |
| f = new Float32x4(1.0, 2.0, -3.0, 4.0); |
| m = f.signMask; |
| Expect.equals(0x4, m); |
| f = new Float32x4(1.0, 2.0, 3.0, -4.0); |
| m = f.signMask; |
| Expect.equals(0x8, m); |
| } |
| |
| void testZero() { |
| var f = new Float32x4(0.0, 0.0, 0.0, 0.0); |
| var m = f.signMask; |
| Expect.equals(0x0, m); |
| f = new Float32x4(-0.0, -0.0, -0.0, -0.0); |
| m = f.signMask; |
| Expect.equals(0xf, m); |
| } |
| |
| void testArithmetic() { |
| var a = new Float32x4(1.0, 1.0, 1.0, 1.0); |
| var b = new Float32x4(2.0, 2.0, 2.0, 2.0); |
| var c = new Float32x4(-1.0, -1.0, -1.0, -1.0); |
| var m1 = (a - b).signMask; |
| Expect.equals(0xf, m1); |
| var m2 = (b - a).signMask; |
| Expect.equals(0x0, m2); |
| var m3 = (c * c).signMask; |
| Expect.equals(0x0, m3); |
| var m4 = (a * c).signMask; |
| Expect.equals(0xf, m4); |
| } |
| |
| main() { |
| for (int i = 0; i < 2000; i++) { |
| testImmediates(); |
| testZero(); |
| testArithmetic(); |
| } |
| } |