| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @assertion num pow(num x, num exponent) |
| /// For doubles, pow(x, y) handles edge cases as follows: |
| /// ... |
| /// - if x is 1.0, the result is always 1.0. |
| /// @description Checks the result if [x] is 1.0. |
| /// @author pagolubev |
| |
| import "dart:math" as Math; |
| import "../../Utils/expect.dart"; |
| |
| main() { |
| if (!isJS) { |
| Expect.equals(1.0, Math.pow(1.0, double.nan)); |
| Expect.equals(1.0, Math.pow(1.0, double.infinity)); |
| Expect.equals(1.0, Math.pow(1.0, double.negativeInfinity)); |
| } |
| |
| Expect.equals(1.0, Math.pow(1.0, .0)); |
| Expect.equals(1.0, Math.pow(1.0, -.0)); |
| |
| Expect.equals(1.0, Math.pow(1.0, 11.11)); |
| Expect.equals(1.0, Math.pow(1.0, -11.11)); |
| Expect.equals(1.0, Math.pow(1.0, 11)); |
| Expect.equals(1.0, Math.pow(1.0, -11)); |
| |
| Expect.equals(1.0, Math.pow(1.0, 1e20)); |
| Expect.equals(1.0, Math.pow(1.0, 1e-20)); |
| } |