CatmullRomInterpolation.h

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#ifndef TIL_CATMULL_ROM_INTERPOLATION_H
#define TIL_CATMULL_ROM_INTERPOLATION_H

// includes from TIL library
#include "til/til_common.h"
#include "til/labels.h"

namespace til
{

  //----------------------------------------------------------------------------------
  
    //---------------------------//
   //  CatmullRomInterpolation  //
  //---------------------------//

  // NOTE: The templating has been done on the function members rather than on
  // the class itself, to make use of the automatic template deduction of functions.
  // It may be changed.
  
  template < typename T >
  class CatmullRomInterpolation
    : public Interpolator_label
  {
  public: // typedefs
        typedef CatmullRomInterpolation Self;
  
  public: // static method
  
        // NB: There is a priori no reason for f to be the same type as x.
        // However, forcing x and f to have the same type forces the
        // (necessary anyway) casting to be done once, before function
        // call.
        inline static T compute(
        T f1,   
        T f2,   
        T f3,   
        T f4,   
        T x             
        );
  };
    
  //----------------------------------------------------------------------------------
  
} // namespace til

#include "til/catmull_rom_interpolation.tpp"

#endif