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/geometry/closestPair.double.cpp | 66 ++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 test/geometry/closestPair.double.cpp (limited to 'test/geometry/closestPair.double.cpp') diff --git a/test/geometry/closestPair.double.cpp b/test/geometry/closestPair.double.cpp new file mode 100644 index 0000000..2f8a1ab --- /dev/null +++ b/test/geometry/closestPair.double.cpp @@ -0,0 +1,66 @@ +#include "../util.h" +constexpr double EPS = 1e-9; +#define ll double +double gcd(double x, double /**/) {return x;} //hacky +#include +constexpr ll INF = LL::INF; +#include +#undef ll + +//strict convex hull +double naive(const vector& ps) { + double opt = LL::INF; + for (ll i = 0; i < sz(ps); i++) { + for (ll j = 0; j < i; j++) { + opt = min(opt, norm(ps[i] - ps[j])); + } + } + return opt; +} + +void stress_test(ll range) { + ll queries = 0; + for (int tries = 0; tries < 100'000; tries++) { + int n = Random::integer(2, 100); + auto ps = Random::points(n, -range, range); + auto got = shortestDist(ps); + auto expected = naive(ps); + if (got != expected) cerr << "got: " << got << ", expected: " << expected << FAIL; + queries += n; + } + cerr << "tested random queries: " << queries << endl; +} + +constexpr int N = 1'000'000; +void performance_test() { + timer t; + hash_t hash = 0; + double maxTime = 0; + + vector ps; + for (int i = 0; i*i <= N; i++) { + for (int j = 0; j*j <= N; j++) { + ps.emplace_back(i, j); + } + } + t.start(); + hash = shortestDist(ps); + t.stop(); + maxTime = max(maxTime, t.time); + + ps = Random::points(N, -1'000'000'000, 1'000'000'000); + t.reset(); + t.start(); + hash += shortestDist(ps); + t.stop(); + maxTime = max(maxTime, t.time); + + if (maxTime > 500) cerr << "too slow: " << maxTime << FAIL; + cerr << "tested performance: " << maxTime << "ms (hash: " << hash << ")" << endl; +} + +int main() { + stress_test(100); + stress_test(1'000'000'000); + performance_test(); +} -- cgit v1.2.3