| /* |
| * Copyright 2018 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. |
| */ |
| @file:Suppress("NOTHING_TO_INLINE") |
| |
| package androidx.ui.vectormath64 |
| |
| const val PI = 3.1415926536f |
| const val HALF_PI = PI * 0.5f |
| const val TWO_PI = PI * 2.0f |
| const val FOUR_PI = PI * 4.0f |
| const val INV_PI = 1.0f / PI |
| const val INV_TWO_PI = INV_PI * 0.5f |
| const val INV_FOUR_PI = INV_PI * 0.25f |
| |
| inline fun mix(a: Float, b: Float, x: Float) = a * (1.0f - x) + b * x |
| |
| inline fun degrees(v: Float) = v * (180.0f * INV_PI) |
| |
| inline fun radians(v: Float) = v * (PI / 180.0f) |
| |
| inline fun fract(v: Float) = v % 1 |
| |
| inline fun sqr(v: Float) = v * v |
