1// Copyright 2013 The Flutter Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5part of dart.ui; 6 7/// Linearly interpolate between two numbers. 8double lerpDouble(num a, num b, double t) { 9 if (a == null && b == null) 10 return null; 11 a ??= 0.0; 12 b ??= 0.0; 13 return a + (b - a) * t; 14} 15