| // RUN: %clangxx -O2 %s -o %t | |
| #include <algorithm> | |
| #include <assert.h> | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <vector> | |
| static int compare_ints(const void *a, const void *b) { | |
| return *(const int *)b - *(const int *)a; | |
| } | |
| int main() { | |
| std::vector<int> nums(100000); | |
| for (auto &n : nums) | |
| n = rand(); | |
| std::vector<int> to_qsort = nums; | |
| qsort(to_qsort.data(), to_qsort.size(), sizeof(to_qsort[0]), &compare_ints); | |
| std::sort(nums.begin(), nums.end()); | |
| assert(nums == to_qsort); | |
| } |