blob: ed91468a9f37f4d202853e035118b6cc80d8c617 [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 num pow(num x, num exponent) /// For doubles, pow(x, y) handles edge cases as follows: /// ... /// - if [y] is -Infinity, the result is 1/pow([x], Infinity). /// @description Checks the result when [y] is 1/pow([x], Infinity). /// @author ngl@unipro.ru import "dart:math" as Math; import "../../Utils/expect.dart"; main() { Expect.equals(1 / Math.pow(0.9999999999999999, double.infinity), Math.pow(0.9999999999999999, double.negativeInfinity)); Expect.equals(1 / Math.pow(-0.9999999999999999, double.infinity), Math.pow(-0.9999999999999999, double.negativeInfinity)); Expect.equals(1 / Math.pow(0.5, double.infinity), Math.pow(0.5, double.negativeInfinity)); Expect.equals(1 / Math.pow(-0.5, double.infinity), Math.pow(-0.5, double.negativeInfinity)); Expect.equals(1 / Math.pow(4.9406564584124654e-324, double.infinity), Math.pow(4.9406564584124654e-324, double.negativeInfinity)); Expect.equals(1 / Math.pow(-4.9406564584124654e-324, double.infinity), Math.pow(-4.9406564584124654e-324, double.negativeInfinity)); Expect.equals(1 / Math.pow(-1, double.infinity), Math.pow(-1, double.negativeInfinity)); Expect.equals(1 / Math.pow(-1.0, double.infinity), Math.pow(-1.0, double.negativeInfinity)); Expect.equals(1 / Math.pow(1.0000000000000002, double.infinity), Math.pow(1.0000000000000002, double.negativeInfinity)); Expect.equals(1 / Math.pow(-1.0000000000000002, double.infinity), Math.pow(-1.0000000000000002, double.negativeInfinity)); Expect.equals(1 / Math.pow(2, double.infinity), Math.pow(2, double.negativeInfinity)); Expect.equals(1 / Math.pow(-2, double.infinity), Math.pow(-2, double.negativeInfinity)); Expect.equals(1 / Math.pow(123.123, double.infinity), Math.pow(123.123, double.negativeInfinity)); Expect.equals(1 / Math.pow(-123.123, double.infinity), Math.pow(-123.123, double.negativeInfinity)); Expect.equals(1 / Math.pow(1.7976931348623157e308, double.infinity), Math.pow(1.7976931348623157e308, double.negativeInfinity)); Expect.equals(1 / Math.pow(-1.7976931348623157e308, double.infinity), Math.pow(-1.7976931348623157e308, double.negativeInfinity)); }