1 /* 2 * Copyright 2018 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 #include "SchedulerUtils.h" 18 19 #include <cinttypes> 20 #include <numeric> 21 #include <unordered_map> 22 #include <vector> 23 24 namespace android { 25 namespace scheduler { 26 27 int64_t calculate_median(std::vector<int64_t>* v) { 28 if (!v || v->empty()) { 29 return 0; 30 } 31 32 size_t n = v->size() / 2; 33 nth_element(v->begin(), v->begin() + n, v->end()); 34 return v->at(n); 35 } 36 37 } // namespace scheduler 38 } // namespace android 39
