| 1 | // RUN: %clangxx -O2 %s -o %t |
|---|---|
| 2 | |
| 3 | #include <algorithm> |
| 4 | #include <assert.h> |
| 5 | #include <stdio.h> |
| 6 | #include <stdlib.h> |
| 7 | #include <vector> |
| 8 | |
| 9 | static int compare_ints(const void *a, const void *b) { |
| 10 | return *(const int *)b - *(const int *)a; |
| 11 | } |
| 12 | |
| 13 | int main() { |
| 14 | std::vector<int> nums(100000); |
| 15 | for (auto &n : nums) |
| 16 | n = rand(); |
| 17 | |
| 18 | std::vector<int> to_qsort = nums; |
| 19 | qsort(base: to_qsort.data(), nmemb: to_qsort.size(), size: sizeof(to_qsort[0]), compar: &compare_ints); |
| 20 | |
| 21 | std::sort(first: nums.begin(), last: nums.end()); |
| 22 | |
| 23 | assert(nums == to_qsort); |
| 24 | } |
| 25 |