| /* |
| * 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. |
| */ |
| /** |
| * @assertion double sin(num radians) |
| * Converts [radians] to a double and returns the sine of the value. |
| * @description Checks result when argument ranges from 1E-52 to 1E-16. |
| * @author msyabro |
| * @reviewer pagolubev |
| * @needsreview Why exact equality? |
| */ |
| |
| import "dart:math" as Math; |
| import "../../Utils/expect.dart"; |
| |
| main() { |
| Expect.equals(.0, Math.sin(0.0)); |
| Expect.equals(.0, Math.sin(-0.0)); |
| |
| for (double x = 1e-52; x < 1e-16; x *= 10) { |
| Expect.equals(x, Math.sin(x)); |
| Expect.equals(-x, Math.sin(-x)); |
| } |
| } |