text: //=============================================================================================================
  /**
  * @file     fwd_thread_arg.h
  * @author   Christoph Dinh <chdinh@nmr.mgh.harvard.edu>;
  *           Matti Hamalainen <msh@nmr.mgh.harvard.edu>
  * @version  1.0
  * @date     January, 2017
  *
  * @section  LICENSE
  *
  * Copyright (C) 2017, Christoph Dinh and Matti Hamalainen. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are permitted provided that
  * the following conditions are met:
  *     * Redistributions of source code must retain the above copyright notice, this list of conditions and the
  *       following disclaimer.
  *     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
  *       the following disclaimer in the documentation and/or other materials provided with the distribution.
  *     * Neither the name of MNE-CPP authors nor the names of its contributors may be used
  *       to endorse or promote products derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
  *
  * @brief    Fwd Thread Argument (FwdThreadArg) class declaration.
  *
  */
  
  #ifndef FWDTHREADARG_H
  #define FWDTHREADARG_H
  
  //*************************************************************************************************************
  //=============================================================================================================
  // INCLUDES
  //=============================================================================================================
  
  #include "fwd_global.h"
  #include "fwd_types.h"
  
  
  //*************************************************************************************************************
  //=============================================================================================================
  // Eigen INCLUDES
  //=============================================================================================================
  
  #include <Eigen/Core>
  
  
  //*************************************************************************************************************
  //=============================================================================================================
  // Qt INCLUDES
  //=============================================================================================================
  
  #include <QSharedPointer>
  
  
  //*************************************************************************************************************
  //=============================================================================================================
  // Forward Declarations
  //=============================================================================================================
  
  namespace MNELIB
  {
      class MneSourceSpaceOld;
  }
  
  //*************************************************************************************************************
  //=============================================================================================================
  // DEFINE NAMESPACE FWDLIB
  //=============================================================================================================
  
  namespace FWDLIB
  {
  
  //*************************************************************************************************************
  //=============================================================================================================
  // Forward Declarations
  //=============================================================================================================
  
  class FwdCoilSet;
  
  
  //=============================================================================================================
  /**
  * Implements a Forward Thread Argument (Replaces *fwdThreadArg,fwdThreadArgRec; struct of MNE-C compute_forward.c).
  *
  * @brief Filter Thread Argument Description
  */
  class FWDSHARED_EXPORT FwdThreadArg
  {
  public:
      typedef QSharedPointer<FwdThreadArg> SPtr;              /**< Shared pointer type for FwdThreadArg. */
      typedef QSharedPointer<const FwdThreadArg> ConstSPtr;   /**< Const shared pointer type for FwdThreadArg. */
  
      //=========================================================================================================
      /**
      * Constructs the Forward Thread Argument
      * Refactored: new_fwd_thread_arg (compute_forward.c)
      */
      FwdThreadArg();
  
      //=========================================================================================================
      /**
      * Destroys the Forward Thread Argument
      * Refactored: free_fwd_thread_arg (compute_forward.c)
      */
      ~FwdThreadArg();
  
  
      static FwdThreadArg* create_eeg_multi_thread_duplicate(FwdThreadArg* one, bool bem_model);
  
      static void free_eeg_multi_thread_duplicate(FwdThreadArg* one,bool bem_model);
  
  
      static FwdThreadArg* create_meg_multi_thread_duplicate(FwdThreadArg* one, bool bem_model);
  
  
      static void free_meg_multi_thread_duplicate(FwdThreadArg* one,bool bem_model);
  
  
  
  public:
      float               **res;             /* Destination for the solution */
      float               **res_grad;        /* Gradient result */
      int                 off;               /* Offset within the result to the first source space vertex solution */
      fwdFieldFunc        field_pot;         /* Computes the field or potential for one dipole orientation */
      fwdVecFieldFunc     vec_field_pot;     /* Computes the field or potential for all dipole orientations */
      fwdFieldGradFunc    field_pot_grad;    /* Computes the gradient of field or potential for one dipole orientation */
      FwdCoilSet          *coils_els;        /* The coil definitions */
      void                *client;           /* Client data for the field computation function */
      MNELIB::MneSourceSpaceOld   *s;                 /* The source space to process */
      int                 fixed_ori;         /* Compute fixed orientation solution? */
      int                 comp;              /* Which component to compute for free orientations */
      int                 stat;
  
  // ### OLD STRUCT ###
  //typedef struct {
  //    float            **res;             /* Destination for the solution */
  //    float            **res_grad;        /* Gradient result */
  //    int              off;               /* Offset within the result to the first source space vertex solution */
  //    fwdFieldFunc     field_pot;         /* Computes the field or potential for one dipole orientation */
  //    fwdVecFieldFunc  vec_field_pot;     /* Computes the field or potential for all dipole orientations */
  //    fwdFieldGradFunc field_pot_grad;    /* Computes the gradient of field or potential for one dipole orientation */
  //    fwdCoilSet       coils_els;         /* The coil definitions */
  //    void             *client;           /* Client data for the field computation function */
  //    mneSourceSpace   s;                 /* The source space to process */
  //    int              fixed_ori;         /* Compute fixed orientation solution? */
  //    int              comp;              /* Which component to compute for free orientations */
  //    int              stat;
  //} *fwdThreadArg,fwdThreadArgRec;
  };
  
  //*************************************************************************************************************
  //=============================================================================================================
  // INLINE DEFINITIONS
  //=============================================================================================================
  
  } // NAMESPACE FWDLIB
  
  #endif // FWDTHREADARG_H
  