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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
/*! \file refine.h
 * \ingroup gm
 */


/****************************************************************************/
/*                                                                                                                                                      */
/* File:          refine.h                                                                                                              */
/*                                                                                                                                                      */
/* Purpose:   definitions for two AND three dimensional refinement                      */
/*                                                                                                                                                      */
/* Author:        Peter Bastian                                                                                                 */
/*                        Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen   */
/*                        Universitaet Heidelberg                                                                               */
/*                        Im Neuenheimer Feld 368                                                                               */
/*                        6900 Heidelberg                                                                                               */
/*                        internet: bastian@iwr1.iwr.uni-heidelberg.de                                  */
/*                                                                                                                                                      */
/* History:   09.03.92 begin, ug version 2.0                                                            */
/*                                                                                                                                                      */
/* Remarks:                                                                                                                             */
/*                                                                                                                                                      */
/****************************************************************************/


/****************************************************************************/
/*                                                                                                                                                      */
/* auto include mechanism and other include files                                                       */
/*                                                                                                                                                      */
/****************************************************************************/

#ifndef __REFINE__
#define __REFINE__

#include "ugtypes.h"
#include "gm.h"
#include "algebra.h"            /* just for ALGEBRA_N_CE */

#include "namespace.h"

START_UGDIM_NAMESPACE

/****************************************************************************/
/*                                                                          */
/* defines in the following order                                           */
/*                                                                          */
/*        compile time constants defining static data size (i.e. arrays)    */
/*        other constants                                                   */
/*        macros                                                            */
/*                                                                          */
/****************************************************************************/

#define NOTUSED    -1                      /* SHORT has to be signed!       */
#define NO_CENTER_NODE     NOTUSED

#ifdef ModelP
/* undefine if all son objects shall be identified */
#define IDENT_ONLY_NEW
#endif

/* define this if you want to apply anistropic rules */
/* #define __ANISOTROPIC__ */


/****************************************************************************/
/*                                                                          */
/* control word definitions                                                 */
/*                                                                          */
/****************************************************************************/

enum REFINE_CE {

  PATTERN_CE = ALGEBRA_N_CE,            /* continue after algebra.h entries             */
  ADDPATTERN_CE,
  REFINE_CE,
  MARK_CE,
  COARSEN_CE,
  DECOUPLED_CE,
  REFINECLASS_CE,
  UPDATE_GREEN_CE,
  SIDEPATTERN_CE,
  MARKCLASS_CE,

  REFINE_N_CE
};

/* edges */
#define PATTERN_SHIFT                           10
#define PATTERN_LEN                             1
#define PATTERN(p)                                      CW_READ(p,PATTERN_CE)
#define SETPATTERN(p,n)                         CW_WRITE(p,PATTERN_CE,n)

#define ADDPATTERN_SHIFT                        11
#define ADDPATTERN_LEN                          1
#define ADDPATTERN(p)                           CW_READ(p,ADDPATTERN_CE)
#define SETADDPATTERN(p,n)                      CW_WRITE(p,ADDPATTERN_CE,n)


/* element */
#define REFINE_SHIFT                                    0
#define REFINE_LEN                                              8
#define REFINE(p)                                               CW_READ(p,REFINE_CE)
#define SETREFINE(p,n)                                  CW_WRITE(p,REFINE_CE,n)

#define MARK_SHIFT                                              0
#define MARK_LEN                                                8
#define MARK(p)                                                 CW_READ(p,MARK_CE)
#define SETMARK(p,n)                                    CW_WRITE(p,MARK_CE,n)

#define COARSEN_SHIFT                                   10
#define COARSEN_LEN                                     1
#define COARSEN(p)                                              CW_READ(p,COARSEN_CE)
#define SETCOARSEN(p,n)                                 CW_WRITE(p,COARSEN_CE,n)

#define DECOUPLED_SHIFT                                 12
#define DECOUPLED_LEN                                   1
#define DECOUPLED(p)                                    CW_READ(p,DECOUPLED_CE)
#define SETDECOUPLED(p,n)                               CW_WRITE(p,DECOUPLED_SHIFT,n)

#define REFINECLASS_SHIFT                               15
#define REFINECLASS_LEN                                 2
#define REFINECLASS(p)                                  CW_READ(p,REFINECLASS_CE)
#define SETREFINECLASS(p,n)                     CW_WRITE(p,REFINECLASS_CE,n)

#define UPDATE_GREEN_SHIFT                              8
#define UPDATE_GREEN_LEN                                1
#define UPDATE_GREEN(p)                                 CW_READ(p,UPDATE_GREEN_CE)
#define SETUPDATE_GREEN(p,n)                    CW_WRITE(p,UPDATE_GREEN_CE,n)

#define SIDEPATTERN_SHIFT                               0
#define SIDEPATTERN_LEN                                 6
#define SIDEPATTERN(p)                                  CW_READ(p,SIDEPATTERN_CE)
#define SETSIDEPATTERN(p,n)                     CW_WRITE(p,SIDEPATTERN_CE,n)

#define MARKCLASS_SHIFT                                 13
#define MARKCLASS_LEN                                   2
#define MARKCLASS(p)                                    CW_READ(p,MARKCLASS_CE)
#define SETMARKCLASS(p,n)                               CW_WRITE(p,MARKCLASS_CE,n)

#ifdef ModelP
#define NEW_NIDENT_LEN                 2
#define NEW_NIDENT(p)                  CW_READ(p,ce_NEW_NIDENT)
#define SETNEW_NIDENT(p,n)             CW_WRITE(p,ce_NEW_NIDENT,n)

#define NEW_EDIDENT_LEN                2
#define NEW_EDIDENT(p)                 CW_READ(p,ce_NEW_EDIDENT)
#define SETNEW_EDIDENT(p,n)            CW_WRITE(p,ce_NEW_EDIDENT,n)
#endif

/* macros for refineinfo */
#define RINFO_MAX                                               100
#define REFINEINFO(mg)                                  refine_info
#define REFINESTEP(r)                                   (r).step
#define SETREFINESTEP(r,s)                              (r).step = ((s)%RINFO_MAX)
#define MARKCOUNT(r)                                    (r).markcount[(r).step]
#define SETMARKCOUNT(r,n)                               (r).markcount[(r).step] = (n)
#define PREDNEW0(r)                                             (r).predicted_new[(r).step][0]
#define SETPREDNEW0(r,n)                                (r).predicted_new[(r).step][0] = (n)
#define PREDNEW1(r)                                             (r).predicted_new[(r).step][1]
#define SETPREDNEW1(r,n)                                (r).predicted_new[(r).step][1] = (n)
#define PREDNEW2(r)                                             (r).predicted_new[(r).step][2]
#define SETPREDNEW2(r,n)                                (r).predicted_new[(r).step][2] = (n)
#define REAL(r)                                                 (r).real[(r).step]
#define SETREAL(r,n)                                    (r).real[(r).step] = (n)
#define PREDMAX(r)                                              (r).predicted_max[(r).step]
#define SETPREDMAX(r,n)                                 (r).predicted_max[(r).step] = (n)

/* macros for listing */
#define REFINE_ELEMENT_LIST(d,e,s)                                           \
  IFDEBUG(gm,d)                                                            \
  if (e!=NULL)                                                             \
    UserWriteF( s " ID=%d/%08x PRIO=%d TAG=%d BE=%d ECLASS=%d LEVEL=%d"  \
                " REFINECLASS=%d MARKCLASS=%d REFINE=%d MARK=%d COARSE=%d"           \
                " USED=%d NSONS=%d EFATHERID=%d SIDEPATTERN=%d\n",                   \
                ID(e),EGID(e),EPRIO(e),TAG(e),(OBJT(e)==BEOBJ),ECLASS(e),LEVEL(e),   \
                REFINECLASS(e),MARKCLASS(e),REFINE(e),MARK(e),COARSEN(e),            \
                USED(e),NSONS(e),(EFATHER(e)!=NULL) ? ID(EFATHER(e)) : 0,SIDEPATTERN(e));\
  ENDDEBUG


#define REFINE_GRID_LIST(d,mg,k,s1,s2)                                       \
  IFDEBUG(gm,d)                                                            \
  {                                                                        \
    GRID    *grid = GRID_ON_LEVEL(mg,k);                                 \
    ELEMENT *theElement;                                                 \
                                                                             \
    UserWriteF s1 ;                                                      \
    for (theElement=PFIRSTELEMENT(grid);                                 \
         theElement!=NULL;                                               \
         theElement=SUCCE(theElement))                                   \
    {                                                                    \
      REFINE_ELEMENT_LIST(d,theElement,s2)                             \
    }                                                                                \
  }                                                                        \
  ENDDEBUG


#define REFINE_MULTIGRID_LIST(d,mg,s1,s2,s3)                                 \
  IFDEBUG(gm,d)                                                            \
  {                                                                        \
    INT k;                                                               \
                                                                             \
    UserWriteF( s1 );                                                    \
    for (k=0; k<=TOPLEVEL(mg); k++)                                      \
    {                                                                    \
      GRID    *grid = GRID_ON_LEVEL(mg,k);                             \
      ELEMENT *theElement;                                             \
                                                                             \
      UserWriteF( s2 );                                                \
      for (theElement=PFIRSTELEMENT(grid);                             \
           theElement!=NULL;                                           \
           theElement=SUCCE(theElement))                               \
      {                                                                \
        REFINE_ELEMENT_LIST(d,theElement,s3)                         \
      }                                                                            \
    }                                                                    \
  }                                                                        \
  ENDDEBUG

/****************************************************************************/
/*                                                                                                                                                      */
/* typedefs                                                                                                                                     */
/*                                                                                                                                                      */
/****************************************************************************/

typedef struct refineinfo
{
  INT step;                                               /* count of calls to AdaptMultiGrid   */
  float markcount[RINFO_MAX];             /* count of currently marked elements */
  float predicted_new[RINFO_MAX][3];
  /* count of elements, would be created */
  float real[RINFO_MAX];                      /* count of elements before refinement */
  float predicted_max[RINFO_MAX];        /* count of elements which can be created */
} REFINEINFO;

typedef INT (*Get_Sons_of_ElementSideProcPtr)(ELEMENT *theElement, INT side, INT *Sons_of_Side,ELEMENT *SonList[MAX_SONS], INT *SonSides, INT NeedSons);

/****************************************************************************/
/*                                                                          */
/* definition of exported global variables                                  */
/*                                                                          */
/****************************************************************************/

extern REFINEINFO refine_info;
#ifdef ModelP
extern INT ce_NEW_NIDENT;
extern INT ce_NEW_EDIDENT;
#endif

/****************************************************************************/
/*                                                                                                                                                      */
/* functions exported                                                                                                           */
/*                                                                                                                                                      */
/****************************************************************************/

INT     GetSonSideNodes                                                 (const ELEMENT *theElement, INT side, INT *nodes, NODE *SideNodes[MAX_SIDE_NODES], INT ioflag);
INT Get_Sons_of_ElementSide(const ELEMENT *theElement,
                            INT side,
                            INT *Sons_of_Side,
                            ELEMENT *SonList[MAX_SONS],
                            INT *SonSides,
                            INT NeedSons,
                            INT ioflag,
                            INT useRefineClass=0);
INT     Connect_Sons_of_ElementSide                     (GRID *theGrid, ELEMENT *theElement, INT side, INT Sons_of_Side, ELEMENT **Sons_of_Side_List, INT *SonSides, INT ioflag);
INT             Refinement_Changes                                              (ELEMENT *theElement);

END_UGDIM_NAMESPACE

#endif