test/src/harness_wind.hpp

   1 /* Copyright_License {
   2
   3   XCSoar Glide Computer - http://www.xcsoar.org/
   4   Copyright (C) 2000-2013 The XCSoar Project
   5   A detailed list of copyright holders can be found in the file "AUTHORS".
   6
   7   This program is free software; you can redistribute it and/or
   8   modify it under the terms of the GNU General Public License
   9   as published by the Free Software Foundation; either version 2
  10   of the License, or (at your option) any later version.
  11
  12   This program is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   GNU General Public License for more details.
  16
  17   You should have received a copy of the GNU General Public License
  18   along with this program; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20 }
  21 */
  22
  23 #include "Math/Angle.hpp"
  24
  25 #include <stdio.h>
  26
  27 #define NUM_WIND 9
  28
  29 static inline fixed
  30 wind_to_mag(int n_wind)
  31 {
  32   if (n_wind)
  33     return (fixed(n_wind - 1) / 4 + fixed(1)) * 5;
  34
  35   return fixed(0);
  36 }
  37
  38 static inline Angle
  39 wind_to_dir(int n_wind)
  40 {
  41   if (n_wind)
  42     return Angle::Degrees(fixed(90 * ((n_wind - 1) % 4))).AsBearing();
  43
  44   return Angle::Zero();
  45 }
  46
  47 static inline const char*
  48 wind_name(int n_wind)
  49 {
  50   static char buffer[80];
  51   sprintf(buffer,"%d m/s @ %d", (int)wind_to_mag(n_wind),
  52           (int)wind_to_dir(n_wind).Degrees());
  53   return buffer;
  54 }