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
22namespace sfntly {
23
24class Fixed1616 {
25 public:
26  static inline int32_t Integral(int32_t fixed) {
27    return (fixed >> 16);
28  }
29
30  static inline int32_t Fractional(int32_t fixed) {
31    return (fixed & 0xffff);
32  }
33
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