/*!  \file originmatch.h
  Header file for origin matching function object
*/
//C Copyright (C) 2000-2006 Kevin Cowtan and University of York
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#ifndef CLIPPER_ORIGINMATCH
#define CLIPPER_ORIGINMATCH


#include "function_object_bases.h"


namespace clipper {


  //! Origin matching method using fast translation function.
  /*! Perform origin matching by performing a fast translation
    function. Both hands are tested if possible.
    \ingroup g_funcobj */
  template<class T> class OriginMatch : public OriginMatch_base<T> {
  public:
    //! constructor
    OriginMatch( const ftype resol_limit = 0.1 ) : limit(resol_limit) {}
    //! constructor: shorthand for constructor+operator
    OriginMatch( bool& invert, Coord_frac& shift, const HKL_data<datatypes::F_phi<T> >& fphi1, const HKL_data<datatypes::F_phi<T> >& fphi2, const ftype resol_limit = 0.1 ) : limit(resol_limit) { (*this)( invert, shift, fphi1, fphi2 ); }
    bool operator() ( bool& invert, Coord_frac& shift, const HKL_data<datatypes::F_phi<T> >& fphi1, const HKL_data<datatypes::F_phi<T> >& fphi2 ) const;
  private:
    ftype limit;
  };


} // namespace clipper

#endif