t8_dhex.h

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/*
  This file is part of t8code.
  t8code is a C library to manage a collection (a forest) of multiple
  connected adaptive space-trees of general element classes in parallel.
 
  Copyright (C) 2015 the developers
 
  t8code 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.
 
  t8code 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 t8code; if not, write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
 
#ifndef T8_DHEX_H
#define T8_DHEX_H
 
#include <t8.h>
 
#define T8_DHEX_CHILDREN 8
 
#define T8_DHEX_FACES 6
 
#define T8_DHEX_VERTICES 8
 
#define T8_DHEX_FACE_CHILDREN 4
 
#define T8_DHEX_MAXLEVEL 21
 
#define T8_DHEX_ROOT_LEN (1 << (T8_DHEX_MAXLEVEL))
 
#define T8_DHEX_LEN(l) (1 << (T8_DHEX_MAXLEVEL - (l)))
 
typedef int32_t t8_dhex_coord_t;
 
typedef struct t8_dhex
{
  int8_t level;
  t8_dhex_coord_t x; 
  t8_dhex_coord_t y; 
  t8_dhex_coord_t z; 
} t8_dhex_t;
 
#endif /* T8_DHEX_H */