src/NMEA/VarioInfo.hpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #ifndef XCSOAR_VARIO_INFO_HPP
  25 #define XCSOAR_VARIO_INFO_HPP
  26
  27 #include "Math/fixed.hpp"
  28 #include "LiftDatabase.hpp"
  29
  30 #include <type_traits>
  31
  32 /** Derived vario data */
  33 struct VarioInfo
  34 {
  35   fixed sink_rate;
  36
  37   /** Average vertical speed based on 30s */
  38   fixed average;
  39   /** Average vertical speed of the airmass based on 30s */
  40   fixed netto_average;
  41
  42   /** Instant glide ratio over ground */
  43   fixed gr;
  44   /** Glide ratio over ground while in Cruise mode */
  45   fixed cruise_gr;
  46
  47   /**
  48    * Average glide ratio over ground.  Zero means the value is not available.
  49    */
  50   fixed average_gr;
  51
  52   /** Instant lift/drag ratio */
  53   fixed ld_vario;
  54
  55   /**
  56    * The lift of each ten degrees while circling.
  57    * Index 1 equals 5 to 15 degrees.
  58    */
  59   LiftDatabase lift_database;
  60
  61   void Clear();
  62 };
  63
  64 static_assert(std::is_trivial<VarioInfo>::value, "type is not trivial");
  65
  66 #endif