blob: 3cfaccabd9bda95ccdbd1f02aa9dd0fcf734da20 [file] [log] [blame]
// 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_cross_test;
import 'dart:typed_data';
import 'package:expect/expect.dart';
Float32x4 cross(Float32x4 a, Float32x4 b) {
var t0 = a.shuffle(Float32x4.yzxw);
var t1 = b.shuffle(Float32x4.zxyw);
var l = t0 * t1;
t0 = a.shuffle(Float32x4.zxyw);
t1 = b.shuffle(Float32x4.yzxw);
var r = t0 * t1;
return l - r;
}
void testCross(Float32x4 a, Float32x4 b, Float32x4 r) {
var x = cross(a, b);
Expect.equals(r.x, x.x);
Expect.equals(r.y, x.y);
Expect.equals(r.z, x.z);
Expect.equals(r.w, x.w);
}
main() {
var x = new Float32x4(1.0, 0.0, 0.0, 0.0);
var y = new Float32x4(0.0, 1.0, 0.0, 0.0);
var z = new Float32x4(0.0, 0.0, 1.0, 0.0);
var zero = new Float32x4.zero();
for (int i = 0; i < 20; i++) {
testCross(x, y, z);
testCross(z, x, y);
testCross(y, z, x);
testCross(z, y, -x);
testCross(x, z, -y);
testCross(y, x, -z);
testCross(x, x, zero);
testCross(y, y, zero);
testCross(z, z, zero);
testCross(x, y, cross(-y, x));
testCross(x, y + z, cross(x, y) + cross(x, z));
}
}