| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /// Same as [num.clamp] but optimized for non-null [double]. |
| /// |
| /// This is faster because it avoids polymorphism, boxing, and special cases for |
| /// floating point numbers. |
| // |
| // See also: //dev/benchmarks/microbenchmarks/lib/foundation/clamp.dart |
| double clampDouble(double x, double min, double max) { |
| assert(min <= max && !max.isNaN && !min.isNaN); |
| if (x < min) { |
| return min; |
| } |
| if (x > max) { |
| return max; |
| } |
| if (x.isNaN) { |
| return max; |
| } |
| return x; |
| } |
