#ifndef __JDB_JAHRSTOOLKIT__
#define __JDB_JAHRSTOOLKIT__

#include "JDB/JAHRS.hh"

#include "JTools/JRange.hh"

/**
 * \author mdejong
 */
namespace JDATABASE {}
namespace JPP { using namespace JDATABASE; }

namespace JDATABASE {

  
  /**
   * Auxiliary data structure to check validity of AHRS data.
   */
  struct JAHRSValidity {

    typedef JTOOLS::JRange<double> range_type;

    /**
     * Default constructor.
     *
     * This constructor sets default ranges of acceptance of AHRS values.
     */
    JAHRSValidity() 
    {
      A = range_type(0.5, 1.5);
      H = range_type(0.1, 0.6);
    }


    /**
     * Check validity of AHRS data.
     *
     * \param  parameters    AHRS data
     * \return               true if valid; else false
     */
    bool operator()(const JAHRS& parameters) const
    {
      double A0 = parameters.AHRS_A0;
      double A1 = parameters.AHRS_A1;
      double A2 = parameters.AHRS_A2;

      double H0 = parameters.AHRS_H0;
      double H1 = parameters.AHRS_H1;
      double H2 = parameters.AHRS_H2;

      return (A(sqrt(A0 * A0 + A1 * A1 + A2 * A2)) &&
	      H(sqrt(H0 * H0 + H1 * H1 + H2 * H2)));
    }


    range_type A;
    range_type H;
  };
}

#endif