csharp/Facebook.Yoga/YogaConstants.cs (15 lines of code) (raw):

/* * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ namespace Facebook.Yoga { public static class YogaConstants { public const float Undefined = float.NaN; public static bool IsUndefined(float value) { return float.IsNaN(value); } public static bool IsUndefined(YogaValue value) { return value.Unit == YogaUnit.Undefined; } } }