/*
Copyright_License {

  XCSoar Glide Computer - http://www.xcsoar.org/
  Copyright (C) 2000-2014 The XCSoar Project
  A detailed list of copyright holders can be found in the file "AUTHORS".

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 2
  of the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
}
 */

#ifndef XCSOAR_FAI_TRIANGLE_SETTINGS_HPP
#define XCSOAR_FAI_TRIANGLE_SETTINGS_HPP

#include "Math/fixed.hpp"

#include <stdint.h>

struct FAITriangleSettings {
  /**
   * Specifies which threshold is used for applying the "large
   * triangle" rules.
   */
  enum class Threshold : uint8_t {
    /**
     * Standard FAI (750km).
     */
    FAI,

    /**
     * OLC, DMSt and others: 500km.
     */
    KM500,

    /**
     * A dummy entry that is used for validating profile values.
     */
    MAX
  };

  Threshold threshold;

  void SetDefaults() {
    threshold = Threshold::FAI;
  }

  /**
   * Returns the threshold for large triangles [m].
   */
  gcc_pure
  fixed GetThreshold() const;
};

#endif
