mirror of
https://github.com/dart-lang/sdk
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e7d4c48a80
Change-Id: I9a51ae6a1f8f4d018da289b6f29ab18053304c19 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132341 Commit-Queue: Erik Ernst <eernst@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
63 lines
1.6 KiB
Dart
63 lines
1.6 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// VMOptions=--optimization-counter-threshold=10 --no-background-compilation
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// Library tag to be able to run in html test framework.
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library float32x4_sign_mask;
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import 'dart:typed_data';
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import 'package:expect/expect.dart';
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void testImmediates() {
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var f = new Float32x4(1.0, 2.0, 3.0, 4.0);
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var m = f.signMask;
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Expect.equals(0x0, m);
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f = new Float32x4(-1.0, -2.0, -3.0, -0.0);
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m = f.signMask;
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Expect.equals(0xf, m);
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f = new Float32x4(-1.0, 2.0, 3.0, 4.0);
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m = f.signMask;
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Expect.equals(0x1, m);
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f = new Float32x4(1.0, -2.0, 3.0, 4.0);
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m = f.signMask;
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Expect.equals(0x2, m);
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f = new Float32x4(1.0, 2.0, -3.0, 4.0);
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m = f.signMask;
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Expect.equals(0x4, m);
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f = new Float32x4(1.0, 2.0, 3.0, -4.0);
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m = f.signMask;
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Expect.equals(0x8, m);
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}
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void testZero() {
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var f = new Float32x4(0.0, 0.0, 0.0, 0.0);
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var m = f.signMask;
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Expect.equals(0x0, m);
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f = new Float32x4(-0.0, -0.0, -0.0, -0.0);
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m = f.signMask;
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Expect.equals(0xf, m);
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}
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void testArithmetic() {
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var a = new Float32x4(1.0, 1.0, 1.0, 1.0);
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var b = new Float32x4(2.0, 2.0, 2.0, 2.0);
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var c = new Float32x4(-1.0, -1.0, -1.0, -1.0);
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var m1 = (a - b).signMask;
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Expect.equals(0xf, m1);
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var m2 = (b - a).signMask;
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Expect.equals(0x0, m2);
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var m3 = (c * c).signMask;
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Expect.equals(0x0, m3);
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var m4 = (a * c).signMask;
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Expect.equals(0xf, m4);
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}
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main() {
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for (int i = 0; i < 2000; i++) {
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testImmediates();
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testZero();
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testArithmetic();
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}
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}
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