1 /* 2 * Copyright 2019 The Android Open Source Project 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 OBOE_INTEGER_RATIO_H 18 #define OBOE_INTEGER_RATIO_H 19 20 #include <sys/types.h> 21 22 namespace resampler { 23 24 /** 25 * Represent the ratio of two integers. 26 */ 27 class IntegerRatio { 28 public: IntegerRatio(int32_t numerator,int32_t denominator)29 IntegerRatio(int32_t numerator, int32_t denominator) 30 : mNumerator(numerator), mDenominator(denominator) {} 31 32 /** 33 * Reduce by removing common prime factors. 34 */ 35 void reduce(); 36 getNumerator()37 int32_t getNumerator() { 38 return mNumerator; 39 } 40 getDenominator()41 int32_t getDenominator() { 42 return mDenominator; 43 } 44 45 private: 46 int32_t mNumerator; 47 int32_t mDenominator; 48 }; 49 50 } 51 52 #endif //OBOE_INTEGER_RATIO_H 53