From a898bac55c6cd7c51fef5e6735aa3a316a18da7b Mon Sep 17 00:00:00 2001 From: mzuenni Date: Wed, 11 Sep 2024 10:39:00 +0200 Subject: change tests --- test/math/linearRecurenceOld.cpp | 54 ---------------------------------------- 1 file changed, 54 deletions(-) delete mode 100644 test/math/linearRecurenceOld.cpp (limited to 'test/math/linearRecurenceOld.cpp') diff --git a/test/math/linearRecurenceOld.cpp b/test/math/linearRecurenceOld.cpp deleted file mode 100644 index dab2256..0000000 --- a/test/math/linearRecurenceOld.cpp +++ /dev/null @@ -1,54 +0,0 @@ -#include "../util.h" -#include - -struct RandomRecurence { - vector f, c, cache; - RandomRecurence(int n) : f(Random::integers(n, 0, mod)), c(Random::integers(n, 0, mod)), cache(f) {} - - ll operator()(ll k){ - while (sz(cache) <= k) { - ll cur = 0; - for (ll i = 0; i < sz(c); i++) { - cur += (c[i] * cache[sz(cache) - i - 1]) % mod; - } - cur %= mod; - cache.push_back(cur); - } - return cache[k]; - } -}; - -void stress_test() { - int queries = 0; - for (int i = 0; i < 10'000; i++) { - int n = Random::integer(1, 10); - RandomRecurence f(n); - for (int j = 0; j < 100; j++) { - ll k = Random::integer(0, 1000); - - ll got = kthTerm(f.f, f.c, k); - ll expected = f(k); - - if (got != expected) cerr << "got: " << got << ", expected: " << expected << FAIL; - queries++; - } - } - cerr << "tested random queries: " << queries << endl; -} - -constexpr int N = 1'000; -void performance_test() { - timer t; - RandomRecurence f(N); - t.start(); - hash_t hash = kthTerm(f.f, f.c, 1e18); - t.stop(); - if (t.time > 500) cerr << "too slow: " << t.time << FAIL; - cerr << "tested performance: " << t.time << "ms (hash: " << hash << ")" << endl; -} - -int main() { - stress_test(); - performance_test(); -} - -- cgit v1.2.3