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made random seeding optional

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Ahmet Inan 2024-03-08 10:08:21 +01:00
commit 2d5e782135
1 changed files with 6 additions and 2 deletions
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8
tests/sort_regression_test.cc
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@ -14,10 +14,14 @@ Copyright 2024 Ahmet Inan <inan@aicodix.de>
int main() int main()
{ {
const int MAX_N = 128; const int MAX_N = 128;
std::random_device rd; unsigned seed = 42;
if (1) {
std::random_device rd;
seed = rd();
}
typedef std::default_random_engine generator; typedef std::default_random_engine generator;
typedef std::uniform_int_distribution<int> distribution; typedef std::uniform_int_distribution<int> distribution;
auto rand = std::bind(distribution(1, MAX_N), generator(rd())); auto rand = std::bind(distribution(1, MAX_N), generator(seed));
int a[MAX_N], b[MAX_N], c[MAX_N], d[MAX_N], e[MAX_N], f[MAX_N], g[MAX_N]; int a[MAX_N], b[MAX_N], c[MAX_N], d[MAX_N], e[MAX_N], f[MAX_N], g[MAX_N];
CODE::MergeSort<int, MAX_N> merge_sort; CODE::MergeSort<int, MAX_N> merge_sort;
for (int loop = 0; loop < 1000000; ++loop) { for (int loop = 0; loop < 1000000; ++loop) {