.. _program_listing_file_src_pcms_utility_bounding_box.h:

Program Listing for File bounding_box.h
=======================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_pcms_utility_bounding_box.h>` (``src/pcms/utility/bounding_box.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef PCMS_COUPLING_BOUNDING_BOX_H
   #define PCMS_COUPLING_BOUNDING_BOX_H
   #include "pcms/utility/types.h"
   #include <Kokkos_Core.hpp>
   #include <array>
   namespace pcms
   {
   
   template <int DIM = 2>
   struct AABBox
   {
     static constexpr int dim = DIM;
     Kokkos::Array<Real, dim> center;
     // half length of bounding box
     Kokkos::Array<Real, dim> half_width;
   };
   
   template <int dim>
   KOKKOS_INLINE_FUNCTION bool intersects(const AABBox<dim>& a,
                                          const AABBox<dim>& b)
   {
     for (int i = 0; i < dim; ++i) {
       if (std::abs(a.center[i] - b.center[i]) >
           (a.half_width[i] + b.half_width[i]))
         return false;
     }
     return true;
   }
   } // namespace pcms
   
   #endif // PCMS_COUPLING_BOUNDING_BOX_H