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 // 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 num pow(num x, num exponent) /// For doubles, pow(x, y) handles edge cases as follows: /// ... /// - 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, the result is -pow(-[x] ,[y]).. /// @author ngl@unipro.ru import "dart:math" as Math; import "../../Utils/expect.dart"; main() { Expect.equals( -Math.pow(double.infinity, 1), Math.pow(double.negativeInfinity, 1)); Expect.equals( -Math.pow(double.infinity, 1.0), Math.pow(double.negativeInfinity, 1.0)); Expect.equals( -Math.pow(double.infinity, 11), Math.pow(double.negativeInfinity, 11)); Expect.equals( -Math.pow(double.infinity, 11.0), Math.pow(double.negativeInfinity, 11.0)); Expect.equals( -Math.pow(double.infinity, -1), Math.pow(double.negativeInfinity, -1)); Expect.equals( -Math.pow(double.infinity, -1.0), Math.pow(double.negativeInfinity, -1.0)); Expect.equals( -Math.pow(double.infinity, -11), Math.pow(double.negativeInfinity, -11)); Expect.equals( -Math.pow(double.infinity, -11.0), Math.pow(double.negativeInfinity, -11.0)); Expect.equals(-Math.pow(.0, 1), Math.pow(-.0, 1)); Expect.equals(-Math.pow(.0, 1.0), Math.pow(-.0, 1.0)); Expect.equals(-Math.pow(.0, 11), Math.pow(-.0, 11)); Expect.equals(-Math.pow(.0, 11.0), Math.pow(-.0, 11.0)); Expect.equals(-Math.pow(.0, -1), Math.pow(-.0, -1)); Expect.equals(-Math.pow(.0, -1.0), Math.pow(-.0, -1.0)); Expect.equals(-Math.pow(.0, -11), Math.pow(-.0, -11)); Expect.equals(-Math.pow(.0, -11.0), Math.pow(-.0, -11.0)); }