130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun/* 230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Copyright 2011 Google Inc. All Rights Reserved. 330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Licensed under the Apache License, Version 2.0 (the "License"); 530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * you may not use this file except in compliance with the License. 630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * You may obtain a copy of the License at 730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * http://www.apache.org/licenses/LICENSE-2.0 930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 1030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Unless required by applicable law or agreed to in writing, software 1130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * distributed under the License is distributed on an "AS IS" BASIS, 1230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * See the License for the specific language governing permissions and 1430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * limitations under the License. 1530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun */ 1630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 1730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#ifndef SFNTLY_CPP_SRC_SFNTLY_MATH_FIXED1616_H_ 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#define SFNTLY_CPP_SRC_SFNTLY_MATH_FIXED1616_H_ 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/port/type.h" 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace sfntly { 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunclass Fixed1616 { 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun public: 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun static inline int32_t Integral(int32_t fixed) { 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return (fixed >> 16); 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun static inline int32_t Fractional(int32_t fixed) { 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return (fixed & 0xffff); 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun static inline int32_t Fixed(int32_t integral, int32_t fractional) { 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return ((integral & 0xffff) << 16) | (fractional & 0xffff); 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun}; 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} // namespace sfntly 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif // SFNTLY_CPP_SRC_SFNTLY_MATH_FIXED1616_H_ 42