| /* |
| * Copyright (c) 2011, 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 num pow(num x, num y) |
| * if [x] is -Infinity or -0.0 and [y] is an odd integer, |
| * then the result is -pow(-[x] ,[y]). |
| * @description Checks the result when [x] is -Infinity |
| * or -0.0 and [y] is an odd integer. |
| * @author pagolubev |
| * @reviewer msyabro |
| */ |
| import "../../Utils/expect.dart"; |
| |
| import "dart:math" as Math; |
| |
| main() { |
| Expect.equals(double.NEGATIVE_INFINITY, Math.pow(double.NEGATIVE_INFINITY, 1)); |
| Expect.equals(double.NEGATIVE_INFINITY, Math.pow(double.NEGATIVE_INFINITY, 1.0)); |
| Expect.equals(double.NEGATIVE_INFINITY, Math.pow(double.NEGATIVE_INFINITY, 11)); |
| Expect.equals(double.NEGATIVE_INFINITY, Math.pow(double.NEGATIVE_INFINITY, 11.0)); |
| |
| Expect.equals(.0, Math.pow(double.NEGATIVE_INFINITY, -1)); |
| Expect.isTrue(Math.pow(double.NEGATIVE_INFINITY, -1).isNegative); |
| Expect.equals(.0, Math.pow(double.NEGATIVE_INFINITY, -1.0)); |
| Expect.isTrue(Math.pow(double.NEGATIVE_INFINITY, -1.0).isNegative); |
| Expect.equals(.0, Math.pow(double.NEGATIVE_INFINITY, -11)); |
| Expect.isTrue(Math.pow(double.NEGATIVE_INFINITY, -11).isNegative); |
| Expect.equals(.0, Math.pow(double.NEGATIVE_INFINITY, -11.0)); |
| Expect.isTrue(Math.pow(double.NEGATIVE_INFINITY, -11.0).isNegative); |
| |
| Expect.equals(.0, Math.pow(-.0, 1)); |
| Expect.isTrue(Math.pow(-.0, 1).isNegative); |
| Expect.equals(.0, Math.pow(-.0, 1.0)); |
| Expect.isTrue(Math.pow(-.0, 1.0).isNegative); |
| Expect.equals(.0, Math.pow(-.0, 11)); |
| Expect.isTrue(Math.pow(-.0, 11).isNegative); |
| Expect.equals(.0, Math.pow(-.0, 11.0)); |
| Expect.isTrue(Math.pow(-.0, 11.0).isNegative); |
| |
| Expect.equals(double.NEGATIVE_INFINITY, Math.pow(-.0, -1)); |
| Expect.equals(double.NEGATIVE_INFINITY, Math.pow(-.0, -1.0)); |
| Expect.equals(double.NEGATIVE_INFINITY, Math.pow(-.0, -11)); |
| Expect.equals(double.NEGATIVE_INFINITY, Math.pow(-.0, -11.0)); |
| } |