| /* |
| * Copyright (C) 2016 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. |
| */ |
| |
| #ifndef QUAT_H_ |
| |
| #define QUAT_H_ |
| |
| #include "mat.h" |
| #include "vec.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| typedef struct Vec4 Quat; |
| |
| void initQuat(Quat *q, const struct Mat33 *R); |
| void quatToMatrix(struct Mat33 *R, const Quat *q); |
| void quatNormalize(Quat *q); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // QUAT_H_ |