From 8d11c6c8213f46f0fa19826917c255edd5d43cb1 Mon Sep 17 00:00:00 2001 From: mzuenni Date: Sun, 28 Jul 2024 22:54:40 +0200 Subject: Test (#4) * update * moved content in subdir * rename file * add test setup * add test setup * add github action * automaticly test all cpp files * timeout after 10s * setulimit and dont zero memory * test build pdf * install latexmk * update * update * ngerman * fonts * removed old code * add first test * added tests * test in sorted order * more tests * simplified test * more tests * fix suffix tree * fixes and improvements * done ust lst directly * fix swap * add links to pdf * fix constants * add primorial * add comment * various improvements * more tests * added missing stuf * more tests * fix tests * more tests * more tests * more tests * fix recursion? * test trie * more tests * only use python temporarily for listings * only use python temporarily for listings * more tests * fix longestCommonSubstring * more tests * more tests * made code more similiar * fix? * more tests * more tests * more tests * add ahoCorasick test + limit 4GB stack size * more tests * fix test * add additional test * more tests * more tests * fix? * better fix * fix virtual tree * more tests * more tests * recursive closest pair * more tests * decrease limit * new tests * more tests * fix name * more tests * add test * new test * more tests * more tests * more tests * more tests * new test and content * new code * new code * larger tests * fix and test * new test * new test * update pdf * remove comments * new test * more tests * more testcases * more tests * increased limit * more tests * more tests * more tests * new tests * more tests * shortened code * new test * add basic tests for bigint * more tests * removed old files * new test * ignore some files * more auto more ccw * fix test * more tests * fix * new tests * more tests * more tests * stronger test * actually verify delaunay... * more tests * fix header * more tests * run tests parallel? * test parralel? * add --missing * separate workflows * test * is the pdf checked? * separate workflows * fix workflow * more workflows --------- Co-authored-by: Yidi --- test/graph/blossom.cpp | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 test/graph/blossom.cpp (limited to 'test/graph/blossom.cpp') diff --git a/test/graph/blossom.cpp b/test/graph/blossom.cpp new file mode 100644 index 0000000..714b029 --- /dev/null +++ b/test/graph/blossom.cpp @@ -0,0 +1,76 @@ +#include "../util.h" +namespace tutte { +void gauss(int n, ll mod); +#include +#include +#include +} +#include + +void stress_test() { + ll queries = 0; + for (int tries = 0; tries < 5'000; tries++) { + int n = Random::integer(1, 30); + int m = Random::integer(0, max(1, n*(n-1) / 2 + 1)); + + GM blossom(n); + srand(Random::rng()); + tutte::adj.assign(n, {}); + + Graph g(n); + g.erdosRenyi(m); + g.forEdges([&](int a, int b){ + tutte::adj[a].push_back(b); + tutte::adj[b].push_back(a); + + blossom.adj[a].push_back(b); + blossom.adj[b].push_back(a); + }); + + ll got = blossom.match(); + ll expected = tutte::max_matching(); + + vector seen(n); + ll got2 = 0; + for (int i = 0; i < n; i++) { + int j = blossom.pairs[i]; + if (j >= n) continue; + if (blossom.pairs[j] != i) cerr << "error: inconsitent" << FAIL; + if (j == i) cerr << "error: invalid" << FAIL; + if (j < i) continue; + if (seen[i] || seen[j]) cerr << "error: invalid" << FAIL; + seen[i] = seen[j] = true; + got2++; + } + + if (got != got2) cerr << "got: " << got << ", got2: " << got2 << FAIL; + if (got != expected) cerr << "got: " << got << ", expected: " << expected << FAIL; + queries += n; + } + cerr << "tested random queries: " << queries << endl; +} + +//this is an easy graph... +constexpr int N = 100'000; +constexpr int M = 500'000; +void performance_test() { + timer t; + Graph g(N); + g.erdosRenyi(M); + GM blossom(N); + g.forEdges([&](int a, int b){ + blossom.adj[a].push_back(b); + blossom.adj[b].push_back(a); + }); + + t.start(); + hash_t hash = blossom.match(); + t.stop(); + if (t.time > 200) 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