| // 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. |
| |
| /// abstract abstract double floorToDouble() |
| /// Returns the greatest integer value no greater than this. |
| /// The result is a double. |
| /// @description Checks that positive values less than one are rounded to zero. |
| /// @author kaigorodov |
| |
| import "dart:math" as Math; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Expect.equals(0.0, .1.floorToDouble()); |
| Expect.equals(0.0, .01.floorToDouble()); |
| Expect.equals(0.0, 1E-100.floorToDouble()); |
| Expect.equals(0.0, 4.9406564584124654e-324.floorToDouble()); // min subnormal |
| Expect.equals(0.0, 2.2250738585072014e-308.floorToDouble()); // min normal |
| Expect.equals(0.0, .5.floorToDouble()); |
| Expect.equals(0.0, .9.floorToDouble()); |
| Expect.equals(0.0, (1.0 - Math.pow(2.0, -53)).floorToDouble()); // max less than 1.0 |
| } |
