vtkboneTensor.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkboneTensor.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 vtkboneTensor_h
#define vtkboneTensor_h
 
#include "vtkObject.h"
#include "vtkboneWin32Header.h"
 
class VTKBONE_EXPORT vtkboneTensor : public vtkObject
{
public:
  static vtkboneTensor *New();
  vtkTypeMacro(vtkboneTensor,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void Initialize();
 
  double GetComponent(int i, int j) {return this->T[i+3*j];};
 
 
  void SetComponent(int i, int j, double v) {if (i > 2 || j > 2) {vtkErrorMacro("trying to set tensor component i or j > 2: i = " << i << ", j = " << j); return;}; this->T[i+3*j] = v;};
 
 
  void AddComponent(int i, int j, double v) { if (i > 2 || j > 2) {vtkErrorMacro("trying to add tensor component i or j > 2: i = " << i << ", j = " << j); return;}; this->T[i+3*j] += v;};
 
 
  double *GetColumn(int j) { if (j > 2) {vtkErrorMacro("trying to get tensor column j > 2: j = " << j); return NULL;}; return this->T + 3*j;};
 
  void DeepCopy(vtkboneTensor *t);
 
  operator double*() {return this->T;};
 
  double *T;
 
protected:
  vtkboneTensor();
  ~vtkboneTensor() {}
 
  double Storage[9];
private:
  vtkboneTensor(const vtkboneTensor&);  // Not implemented.
  void operator=(const vtkboneTensor&);  // Not implemented.
};
 
//----------------------------------------------------------------------------
inline void vtkboneTensor::Initialize()
{
  for (int j=0; j<3; j++)
  {
    for (int i=0; i<3; i++)
    {
      this->T[i+j*3] = 0.0;
    }
  }
}
 
//----------------------------------------------------------------------------
inline void vtkboneTensor::DeepCopy(vtkboneTensor *t)
{
  for (int j=0; j < 3; j++)
  {
    for (int i=0; i < 3; i++)
    {
      this->T[i+3*j] = t->T[i+3*j];
    }
  }
}
 
#endif