| // Copyright (C) 2023 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Restrict the value of a number between two values (inclusive) |
| export function clamp(val: number, lower: number, upper: number): number { |
| return Math.max(lower, Math.min(upper, val)); |
| } |
| |
| const FLOAT_EPSILON = 1e-9; |
| |
| // Returns true if two floats are close enough to be considered equal. |
| export function floatEqual(a: number, b: number, eps = FLOAT_EPSILON): boolean { |
| return Math.abs(a - b) < eps; |
| } |
