Update points_lines_vectors.cpp

Changes

1 changed files (+1/-0)

• Geometry/points_lines_vectors.cpp
  • @@ -27,6 +27,7 @@ double angle(point a, point o, point b) {
    return acos(dot(oa, ob) / sqrt(norm_sq(oa) * norm_sq(ob))); } + // (q.x - p.x) * (r.y - p.y) - (r.x - p.x) * (q.y - p.y) bool ccw(point p, point q, point r) { return cross(vec(p, q), vec(p, r)) > 0; } struct line {