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authormzuenni <mzuenni@users.noreply.github.com>2024-07-28 22:54:40 +0200
committerGitHub <noreply@github.com>2024-07-28 22:54:40 +0200
commit8d11c6c8213f46f0fa19826917c255edd5d43cb1 (patch)
tree96d75baff33d5a04b5a60f1a41f514a26c716874 /test/graph/bronKerbosch.cpp
parent8c33b4e0d3030cfed17fc64b4fe41133339f6d87 (diff)
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 <noob999noob999@gmail.com>
Diffstat (limited to 'test/graph/bronKerbosch.cpp')
-rw-r--r--test/graph/bronKerbosch.cpp73
1 files changed, 73 insertions, 0 deletions
diff --git a/test/graph/bronKerbosch.cpp b/test/graph/bronKerbosch.cpp
new file mode 100644
index 0000000..1ccd493
--- /dev/null
+++ b/test/graph/bronKerbosch.cpp
@@ -0,0 +1,73 @@
+#include "../util.h"
+#include <graph/bronKerbosch.cpp>
+
+vector<bits> naiveCliques;
+
+void naive(bits mask = {}, int l = 0) {
+ bool maximal = true;
+ for (ll i = 0; i < l; i++) {
+ if (mask[i]) continue;
+ if ((adj[i] & mask) == mask) maximal = false;
+ }
+ for (; l < sz(adj); l++) {
+ if ((adj[l] & mask) == mask) {
+ maximal = false;
+ mask[l] = 1;
+ naive(mask, l + 1);
+ mask[l] = 0;
+ }
+ }
+ if (maximal and mask.any()) naiveCliques.push_back(mask);
+}
+
+void stress_test() {
+ ll queries = 0;
+ for (int tries = 0; tries < 200'000; tries++) {
+ int n = Random::integer<int>(2, 15);
+ int m = Random::integer<int>(0, max<int>(n, min<int>(500, n*(n-1) / 2 + 1)));
+
+ Graph<NoData> g(n);
+ g.erdosRenyi(m);
+ adj.assign(n, {});
+ g.forEdges([&](int a, int b){
+ addEdge(a, b);
+ });
+
+ bronKerbosch();
+ naiveCliques.clear();
+ naive();
+
+ sort(all(cliques), [](bits a, bits b){return a.to_ullong() < b.to_ullong();});
+ sort(all(naiveCliques), [](bits a, bits b){return a.to_ullong() < b.to_ullong();});
+
+ if (cliques != naiveCliques) cerr << "got: " << sz(cliques) << ", expected: " << sz(naiveCliques) << FAIL;
+ queries += n;
+ }
+ cerr << "tested random queries: " << queries << endl;
+}
+
+constexpr int N = 55;
+constexpr int M = N*(N-1) / 2 - 2*N;
+void performance_test() {
+ timer t;
+
+ Graph<NoData> g(N);
+ g.erdosRenyi(M);
+ adj.assign(N, {});
+ g.forEdges([&](int a, int b){
+ addEdge(a, b);
+ });
+
+ t.start();
+ bronKerbosch();
+ t.stop();
+
+ hash_t hash = sz(cliques);
+ 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();
+}