dblock.h

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/* ------------------------------------------------------------
 * This is the file "dblock.h" of the H2Lib package.
 * All rights reserved, Steffen Boerm 2015
 * ------------------------------------------------------------ */

#ifndef DBLOCK_H
#define DBLOCK_H

typedef struct _dblock dblock;

typedef dblock *pdblock;

typedef const dblock *pcdblock;

typedef struct _diradmdata diradmdata;

typedef diradmdata *pdiradmdata;

typedef const diradmdata *pcdiradmdata;

#include "dcluster.h"
#include "settings.h"

#include <stdlib.h>

#ifdef USE_CAIRO
#include <cairo.h>
#endif

struct _dblock
{
  pdcluster rc;
  pdcluster cc;

  uint rd;
  uint cd;

  bool adm;

  uint rsons;

  uint csons;

  pdblock *son;

  uint desc;
};

struct _diradmdata
{
  real eta1;

  real eta2;

  real wave_k;

  preal xy;

  pcleveldir ld;
};

/* ------------------------------------------------------------
 * Constructors and destructors
 * ------------------------------------------------------------ */

HEADER_PREFIX pdblock
new_dblock(pdcluster rc, pdcluster cc, uint rd, uint cd,
     uint rsons, uint csons);

HEADER_PREFIX void
update_dblock(pdblock b);

HEADER_PREFIX void
del_dblock(pdblock b);

/* ------------------------------------------------------------
 * Statistics
 * ------------------------------------------------------------ */

HEADER_PREFIX uint
getactives_dblock();

HEADER_PREFIX size_t
getsize_dblock(pcdblock b);

HEADER_PREFIX uint
getdepth_dblock(pcdblock b);

/* ------------------------------------------------------------
 * Drawing
 * ------------------------------------------------------------ */

#ifdef USE_CAIRO

HEADER_PREFIX void
cairodraw_dblock(cairo_t *cr, pcdblock b, int levels);
#endif

/* ------------------------------------------------------------
 * Building standard block trees
 * ------------------------------------------------------------ */

HEADER_PREFIX pdblock
build_dblock(pdcluster rc, pdcluster cc, uint l,
       bool (*admissible)(pdcluster rc, pdcluster cc, uint l,
        uint *rd, uint *cd, void *data),
       void *data);

/* ------------------------------------------------------------
 * Parabolic admissibility condition
 * ------------------------------------------------------------ */

HEADER_PREFIX bool
parabolic_admissibility(pdcluster rc, pdcluster cc, uint l,
      uint *rd, uint *cd, void *data);

HEADER_PREFIX bool
standard_admissibility(pdcluster rc, pdcluster cc, uint l,
           uint *rd, uint *cd,
           void *data);

HEADER_PREFIX real
getmaxeta_dblock(pcdblock b);

/* ------------------------------------------------------------
 * Remove directions
 * ------------------------------------------------------------ */

HEADER_PREFIX pleveldir
remove_unused_direction(pdblock b, pdcluster t, pleveldir lold); 

/* ------------------------------------------------------------
 * Enumeration
 * ------------------------------------------------------------ */

HEADER_PREFIX pdblock *
enumerate_dblock(pdblock b);

#endif