New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/geometry/bounding_box.cpp

@@ -0,0 +1,30 @@
+#include "geometry/bounding_box.hpp"
+
+#include <algorithm>  // std::min, std::max
+
+namespace m2
+{
+BoundingBox::BoundingBox(std::vector<PointD> const & points)
+{
+  for (auto const & p : points)
+    Add(p);
+}
+
+void BoundingBox::Add(double x, double y)
+{
+  m_min.x = std::min(m_min.x, x);
+  m_min.y = std::min(m_min.y, y);
+  m_max.x = std::max(m_max.x, x);
+  m_max.y = std::max(m_max.y, y);
+}
+
+bool BoundingBox::HasPoint(double x, double y) const
+{
+  return x >= m_min.x && x <= m_max.x && y >= m_min.y && y <= m_max.y;
+}
+
+bool BoundingBox::HasPoint(double x, double y, double eps) const
+{
+  return x >= m_min.x - eps && x <= m_max.x + eps && y >= m_min.y - eps && y <= m_max.y + eps;
+}
+}  // namespace m2