mirror of
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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>
50 lines
1.4 KiB
Dart
50 lines
1.4 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_cross_test;
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import 'dart:typed_data';
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import 'package:expect/expect.dart';
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Float32x4 cross(Float32x4 a, Float32x4 b) {
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var t0 = a.shuffle(Float32x4.yzxw);
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var t1 = b.shuffle(Float32x4.zxyw);
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var l = t0 * t1;
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t0 = a.shuffle(Float32x4.zxyw);
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t1 = b.shuffle(Float32x4.yzxw);
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var r = t0 * t1;
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return l - r;
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}
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void testCross(Float32x4 a, Float32x4 b, Float32x4 r) {
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var x = cross(a, b);
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Expect.equals(r.x, x.x);
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Expect.equals(r.y, x.y);
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Expect.equals(r.z, x.z);
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Expect.equals(r.w, x.w);
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}
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main() {
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var x = new Float32x4(1.0, 0.0, 0.0, 0.0);
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var y = new Float32x4(0.0, 1.0, 0.0, 0.0);
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var z = new Float32x4(0.0, 0.0, 1.0, 0.0);
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var zero = new Float32x4.zero();
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for (int i = 0; i < 20; i++) {
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testCross(x, y, z);
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testCross(z, x, y);
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testCross(y, z, x);
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testCross(z, y, -x);
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testCross(x, z, -y);
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testCross(y, x, -z);
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testCross(x, x, zero);
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testCross(y, y, zero);
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testCross(z, z, zero);
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testCross(x, y, cross(-y, x));
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testCross(x, y + z, cross(x, y) + cross(x, z));
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}
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}
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