blob: 07c360c6db1becf0e24c81d500f840805f868e01 [file] [log] [blame]
 // Copyright (c) 2017, 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 pow(x, exponent) /// For doubles, pow(x, y) handles edge cases as follows: /// ... /// - if x is -Infinity or -0.0 and y is not an odd integer, then the result /// is the same as pow(-x , y). /// @description Checks the result when [x] is -Infinity or -0.0 and [y] is /// not an odd integer, the result is the same as pow(-x , y). /// @author ngl@unipro.ru import "dart:math" as Math; import "../../Utils/expect.dart"; main() { Expect.equals( Math.pow(double.infinity, 2), Math.pow(double.negativeInfinity, 2)); Expect.equals( Math.pow(double.infinity, 2.0), Math.pow(double.negativeInfinity, 2.0)); Expect.equals( Math.pow(double.infinity, 22), Math.pow(double.negativeInfinity, 22)); Expect.equals(Math.pow(double.infinity, 22.0), Math.pow(double.negativeInfinity, 22.0)); Expect.equals( Math.pow(double.infinity, 0.2), Math.pow(double.negativeInfinity, 0.2)); Expect.equals(Math.pow(double.infinity, double.infinity), Math.pow(double.negativeInfinity, double.infinity)); Expect.equals( Math.pow(double.infinity, -2), Math.pow(double.negativeInfinity, -2)); Expect.equals(Math.pow(double.infinity, -2.0), Math.pow(double.negativeInfinity, -2.0)); Expect.equals( Math.pow(double.infinity, -22), Math.pow(double.negativeInfinity, -22)); Expect.equals(Math.pow(double.infinity, -22.0), Math.pow(double.negativeInfinity, -22.0)); Expect.equals(Math.pow(double.infinity, -0.2), Math.pow(double.negativeInfinity, -0.2)); Expect.equals(Math.pow(double.infinity, double.negativeInfinity), Math.pow(double.negativeInfinity, double.negativeInfinity)); Expect.equals(Math.pow(.0, 2), Math.pow(-.0, 2)); Expect.equals(Math.pow(.0, 2.0), Math.pow(-.0, 2.0)); Expect.equals(Math.pow(.0, 22), Math.pow(-.0, 22)); Expect.equals(Math.pow(.0, 22.0), Math.pow(-.0, 22.0)); Expect.equals(Math.pow(.0, 0.2), Math.pow(-.0, 0.2)); Expect.equals(Math.pow(.0, double.infinity), Math.pow(-.0, double.infinity)); Expect.equals(Math.pow(.0, -2), Math.pow(-.0, -2)); Expect.equals(Math.pow(.0, -2.0), Math.pow(-.0, -2.0)); Expect.equals(Math.pow(.0, -22), Math.pow(-.0, -22)); Expect.equals(Math.pow(.0, -22.0), Math.pow(-.0, -22.0)); Expect.equals(Math.pow(.0, -0.2), Math.pow(-.0, -0.2)); Expect.equals(Math.pow(.0, double.negativeInfinity), Math.pow(-.0, double.negativeInfinity)); }