blob: 2ddade0c33c501eccc7cac84f4b670d57943dbf1 [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.
/// @assertion double acos(num x)
/// Converts x to a double and returns its arc cosine in radians.
/// @description Checks that an argument of acos should be number (a decimal
/// or hexadecimal integer, or a decimal double).
/// @author
import "dart:math" as Math;
import "../../Utils/expect.dart";
main() {
var a1 = Math.acos(0);
var a2 = Math.acos(0x0000);
var a3 = Math.acos(0.0);
Expect.equals(a1, a2);
Expect.equals(a1, a3);