1 /*
2  * Copyright 2011 Google Inc. All Rights Reserved.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef SFNTLY_CPP_SRC_SFNTLY_MATH_FIXED1616_H_
18 #define SFNTLY_CPP_SRC_SFNTLY_MATH_FIXED1616_H_
19 
20 #include "sfntly/port/type.h"
21 
22 namespace sfntly {
23 
24 class Fixed1616 {
25  public:
Integral(int32_t fixed)26   static inline int32_t Integral(int32_t fixed) {
27     return (fixed >> 16);
28   }
29 
Fractional(int32_t fixed)30   static inline int32_t Fractional(int32_t fixed) {
31     return (fixed & 0xffff);
32   }
33 
Fixed(int32_t integral,int32_t fractional)34   static inline int32_t Fixed(int32_t integral, int32_t fractional) {
35     return ((integral & 0xffff) << 16) | (fractional & 0xffff);
36   }
37 };
38 
39 }  // namespace sfntly
40 
41 #endif  // SFNTLY_CPP_SRC_SFNTLY_MATH_FIXED1616_H_
42