text: // PX2MathematicsPre.hpp
  
  #ifndef PX2MATHEMATICSPRERE_HPP
  #define PX2MATHEMATICSPRERE_HPP
  
  #include "PX2CorePre.hpp"
  
  #if defined(PX2_MATHEMATICS_DLL_EXPORT)
  // For the DLL library.
  #define PX2_MATHEMATICS_ITEM __declspec(dllexport)
  #elif defined(PX2_MATHEMATICS_DLL_IMPORT)
  // For a client of the DLL library.
  #define PX2_MATHEMATICS_ITEM __declspec(dllimport)
  #else
  // For the static library and for Apple/Linux.
  #define PX2_MATHEMATICS_ITEM
  #endif
  
  #endif