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| author | mzuenni <mzuenni@users.noreply.github.com> | 2024-07-28 22:54:40 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-07-28 22:54:40 +0200 |
| commit | 8d11c6c8213f46f0fa19826917c255edd5d43cb1 (patch) | |
| tree | 96d75baff33d5a04b5a60f1a41f514a26c716874 /geometry/linesAndSegments.cpp | |
| parent | 8c33b4e0d3030cfed17fc64b4fe41133339f6d87 (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 'geometry/linesAndSegments.cpp')
| -rw-r--r-- | geometry/linesAndSegments.cpp | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/geometry/linesAndSegments.cpp b/geometry/linesAndSegments.cpp deleted file mode 100644 index 98fe4dc..0000000 --- a/geometry/linesAndSegments.cpp +++ /dev/null @@ -1,89 +0,0 @@ -// Test auf Streckenschnitt zwischen a-b und c-d. -bool lineSegmentIntersection(pt a, pt b, pt c, pt d) { - if (orientation(a, b, c) == 0 && orientation(a, b, d) == 0) - return pointOnLineSegment(a,b,c) || - pointOnLineSegment(a,b,d) || - pointOnLineSegment(c,d,a) || - pointOnLineSegment(c,d,b); - return orientation(a, b, c) * orientation(a, b, d) <= 0 && - orientation(c, d, a) * orientation(c, d, b) <= 0; -} - -// Berechnet die Schnittpunkte der Strecken p0-p1 und p2-p3. -// Enthält entweder keinen Punkt, den einzigen Schnittpunkt -// oder die Endpunkte der Schnittstrecke. -vector<pt> lineSegmentIntersection(pt p0, pt p1, pt p2, pt p3) { - double a = cross(p1 - p0, p3 - p2); - double b = cross(p2 - p0, p3 - p2); - double c = cross(p1 - p0, p0 - p2); - if (a < 0) {a = -a; b = -b; c = -c;} - if (b < -EPS || b-a > EPS || c < -EPS || c-a > EPS) return {}; - if (a > EPS) return {p0 + b/a*(p1 - p0)}; - vector<pt> result; - auto insertUnique = [&](pt p) { - for (auto q: result) if (abs(p - q) < EPS) return; - result.push_back(p); - }; - if (dot(p2-p0, p3-p0) < EPS) insertUnique(p0); - if (dot(p2-p1, p3-p1) < EPS) insertUnique(p1); - if (dot(p0-p2, p1-p2) < EPS) insertUnique(p2); - if (dot(p0-p3, p1-p3) < EPS) insertUnique(p3); - return result; -} - -// Entfernung von Punkt p zur Geraden durch a-b. 2d und 3d -double distToLine(pt a, pt b, pt p) { - return abs(cross(p - a, b - a)) / abs(b - a); -} - -// Projiziert p auf die Gerade a-b -pt projectToLine(pt a, pt b, pt p) { - return a + (b - a) * dot(p - a, b - a) / norm(b - a); -} - -// Liegt p auf der Geraden a-b? 2d und 3d -bool pointOnLine(pt a, pt b, pt p) { - return cross(a, b, p) == 0; -} - -// Test auf Linienschnitt zwischen a-b und c-d. -bool lineIntersection(pt a, pt b, pt c, pt d) { - return abs(cross(a - b, c - d)) < EPS; -} - -// Berechnet den Schnittpunkt der Graden p0-p1 und p2-p3. -// die Graden dürfen nicht parallel sein! -pt lineIntersection(pt p0, pt p1, pt p2, pt p3) { - double a = cross(p1 - p0, p3 - p2); - double b = cross(p2 - p0, p3 - p2); - return {p0 + b/a*(p1 - p0)}; -} - -// Liegt p auf der Strecke a-b? -bool pointOnLineSegment(pt a, pt b, pt p) { - if (cross(a, b, p) != 0) return false; - double dist = norm(a - b); - return norm(a - p) <= dist && norm(b - p) <= dist; -} - -// Entfernung von Punkt p zur Strecke a-b. -double distToSegment(pt a, pt b, pt p) { - if (a == b) return abs(p - a); - if (dot(p - a, b - a) <= 0) return abs(p - a); - if (dot(p - b, b - a) >= 0) return abs(p - b); - return distToLine(a, b, p); -} - -// Kürzeste Entfernung zwischen den Strecken a-b und c-d. -double distBetweenSegments(pt a, pt b, pt c, pt d) { - if (lineSegmentIntersection(a, b, c, d)) return 0.0; - return min({distToSegment(a, b, c), distToSegment(a, b, d), - distToSegment(c, d, a), distToSegment(c, d, b)}); -} - -// sortiert alle Punkte pts auf einer Linie entsprechend dir -void sortLine(pt dir, vector<pt>& pts) { // (2d und 3d) - sort(all(pts), [&](pt a, pt b){ - return dot(dir, a) < dot(dir, b); - }); -} |
