text: /*=========================================================================
  
    Program:   Visualization Toolkit
    Module:    vtk_eigen.h
  
    Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
    All rights reserved.
    See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
  
       This software is distributed WITHOUT ANY WARRANTY; without even
       the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
       PURPOSE.  See the above copyright notice for more information.
  
  =========================================================================*/
  #ifndef vtk_eigen_h
  #define vtk_eigen_h
  
  // VTK should only be using MPL2 Eigen code.
  #ifndef EIGEN_MPL2_ONLY
  #define EIGEN_MPL2_ONLY
  #endif
  
  /* Use the eigen library configured for VTK.  */
  #define VTK_MODULE_USE_EXTERNAL_vtkeigen 0
  
  #if VTK_MODULE_USE_EXTERNAL_vtkeigen
  # define VTK_EIGEN(x) <Eigen/x>
  #else
  # define VTK_EIGEN(x) <vtkeigen/eigen/x>
  #endif
  
  #endif
  