| /* |
| * 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. |
| */ |
| /** |
| * @assertion Int32x4.fromFloat32x4Bits(Float32x4 x) |
| * Returns a bit-wise copy of x as a Int32x4. |
| * @description Checks special cases. |
| * @author msyabro |
| */ |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| import "../toInt32.lib.dart"; |
| |
| main() { |
| var obj = new Float32x4(double.infinity, double.negativeInfinity, |
| double.nan, -double.nan); |
| var res = new Int32x4.fromFloat32x4Bits(obj); |
| |
| Expect.equals(0x7f800000, res.x); |
| Expect.equals(toInt32(0xff800000), res.y); |
| |
| var nanMask = 0x7f800000; |
| var fraction = 0x7fffff; |
| Expect.equals(nanMask, res.z & nanMask); |
| Expect.isTrue((res.z & fraction) != 0); |
| Expect.equals(nanMask, res.w & nanMask); |
| Expect.isTrue((res.w & fraction) != 0); |
| } |