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// Copyright (c) 2012, 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.
import 'dart:html';
import 'dart:typed_data';
import 'package:expect/minitest.dart';
const _FLOATING_POINT_ERROR = 0.0000000001;
floatEquals(value) => closeTo(value, _FLOATING_POINT_ERROR);
class MyFloat32x4 {
num x = 0.0;
num y = 0.0;
num z = 0.0;
num w = 0.0;
}
main() {
// Only perform tests if ArrayBuffer is supported.
if (!Platform.supportsTypedData) {
return;
}
test('test Float32x4', () {
if (Platform.supportsSimd) {
final val = new Float32x4(1.0, 2.0, 3.0, 4.0);
expect(val.x, floatEquals(1.0));
expect(val.y, floatEquals(2.0));
expect(val.z, floatEquals(3.0));
expect(val.w, floatEquals(4.0));
final val2 = val + val;
expect(val2.x, floatEquals(2.0));
expect(val2.y, floatEquals(4.0));
expect(val2.z, floatEquals(6.0));
expect(val2.w, floatEquals(8.0));
}
});
test('test Float32x4List', () {
var counter;
final list = new Float32List(12);
for (int i = 0; i < list.length; ++i) {
list[i] = i * 1.0;
}
if (Platform.supportsSimd) {
counter = new Float32x4.zero();
final simdlist = new Float32x4List.view(list.buffer);
for (int i = 0; i < simdlist.length; ++i) {
counter += simdlist[i];
}
} else {
counter = new MyFloat32x4();
for (int i = 0; i < list.length; i += 4) {
counter.x += list[i];
counter.y += list[i + 1];
counter.z += list[i + 2];
counter.w += list[i + 3];
}
}
expect(counter.x, floatEquals(12.0));
expect(counter.y, floatEquals(15.0));
expect(counter.z, floatEquals(18.0));
expect(counter.w, floatEquals(21.0));
});
test('test Int32x4', () {
if (Platform.supportsSimd) {
final val = new Int32x4(1, 2, 3, 4);
expect(val.x, equals(1));
expect(val.y, equals(2));
expect(val.z, equals(3));
expect(val.w, equals(4));
final val2 = val ^ val;
expect(val2.x, equals(0));
expect(val2.y, equals(0));
expect(val2.z, equals(0));
expect(val2.w, equals(0));
}
});
}