#ifndef _STREAM_INT_H
#define _STREAM_INT_H

#if defined (HAVE_CONFIG_H)
#  include "config.h"
#endif

#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <sys/types.h>

#ifndef strdupx
#ifndef strdup
char *strdup(const char *s);
#endif
#define strdupx  strdup
/*
#define strdupx(s)			          \
({					      	  \
   const char *__old = (s);			  \
   size_t __len = strlen(__old) + 1;		  \
   char *__new = (char *) malloc(__len);	  \
   (char *) memcpy(__new, __old, __len);	  \
})
*/
#endif

#ifndef  M_PI
#define  M_PI        3.14159265358979323846  /* pi */
#endif


#ifndef  _CDI_H
#  include "cdi.h"
#endif
#ifndef  _ERROR_H
#  include "error.h"
#endif
#ifndef _BASETIME_H
#  include "basetime.h"
#endif
#ifndef _TIMEBASE_H
#  include "timebase.h"
#endif
#ifndef  _TAXIS_H
#  include "taxis.h"
#endif
#ifndef  _CDI_LIMITS_H
#  include "cdi_limits.h"
#endif
#ifndef  _SERVICE_H
#  include "service.h"
#endif
#ifndef  _EXTRA_H
#  include "extra.h"
#endif
#ifndef  _IEG_H
#  include "ieg.h"
#endif


#define check_parg(arg)  if ( arg == 0 ) Warning("Argument '" #arg "' not allocated!")

#if defined (__xlC__) /* performance problems on IBM */
#ifndef DBL_IS_NAN
#  define DBL_IS_NAN(x)     ((x) != (x))
#endif
#else
#ifndef DBL_IS_NAN
#if  defined  (HAVE_DECL_ISNAN)
#  define DBL_IS_NAN(x)     (isnan(x))
#elif  defined  (FP_NAN)
#  define DBL_IS_NAN(x)     (fpclassify(x) == FP_NAN)
#else
#  define DBL_IS_NAN(x)     ((x) != (x))
#endif
#endif
#endif

#ifndef DBL_IS_EQUAL
/*#define DBL_IS_EQUAL(x,y) (!(x < y || y < x)) */
#  define DBL_IS_EQUAL(x,y) (DBL_IS_NAN(x)||DBL_IS_NAN(y)?(DBL_IS_NAN(x)&&DBL_IS_NAN(y)?1:0):!(x < y || y < x))
#endif

#ifndef IS_EQUAL
#  define IS_NOT_EQUAL(x,y) (x < y || y < x)
#  define IS_EQUAL(x,y)     (!IS_NOT_EQUAL(x,y))
#endif


#ifndef INT
#  define  INT(x)  ((int)(x))
#endif

#ifndef NINT
#  define  NINT(x)  ((x) < 0 ? (int)((x)-.5) : (int)((x)+.5))
#endif

#define  FALSE  0
#define  TRUE   1

#define  TYPE_REC  0
#define  TYPE_VAR  1

#define  MEMTYPE_DOUBLE  1
#define  MEMTYPE_FLOAT   2


enum {CHUNK_DEFAULT, CHUNK_AUTO, CHUNK_LINES, CHUNK_USER};


typedef struct
{
  void     *buffer;
  size_t    buffersize;
  off_t     position;
  int       recsize;
  int       size;
  int       dataread;
  int       param;
  int       level;
  int       date;
  int       time;
  int       gridID;
  int       zaxisID;
  int       used;
  int       nrec;
  int       varID;
  int       levelID;
  int       recid;
  int       prec;
  int       sec0[2];
  int       sec1[1024];
  int       sec2[4096];
  int       sec3[2];
  int       sec4[512];
#if  defined  (HAVE_LIBSERVICE)
  srvrec_t   *srvp;
#endif
#if  defined  (HAVE_LIBEXTRA)
  extrec_t   *extp;
#endif
#if  defined  (HAVE_LIBIEG)
  iegrec_t   *iegp;
#endif
}
Record;


typedef struct
{
  off_t     position;
  size_t    size;
  int       zip;
  int       param;
  int       ilevel;
  int       ilevel2;
  int       ltype;
  short     used;
  short     varID;
  short     levelID;
}
record_t;


typedef struct {
  record_t *records;
  int       recordSize;  /* number of allocated records           */
  int      *recIDs;      /* IDs of non constant records           */
  int       nrecs;       /* number of used records                */
                         /* tsID=0 nallrecs                       */
                         /* tsID>0 number of non constant records */
  int       nallrecs;    /* number of all records                 */
  int       curRecID;    /* current record ID                     */
  long      next;
  off_t     position;    /* timestep file position                */
  taxis_t   taxis;
}
TSTEPS;


typedef struct {
  int       ncvarid;
  int       nlevs;
  int      *level;       /* record IDs */
  int      *lindex;      /* level index */
  int       defmiss;     /* TRUE if missval is defined in file */

  int       isUsed;
  int       gridID;
  int       zaxisID;
  int       tsteptype;   /* TSTEP_* */
}
svarinfo_t;


typedef struct {
  int       ilev;
  int       mlev;
  int       ilevID;
  int       mlevID;
}
VCT;


typedef struct {
  int         self;
  int         accesstype;   /* TYPE_REC or TYPE_VAR */
  int         accessmode;
  int         filetype;
  int         byteorder;
  int         fileID;
  int         dimgroupID;
  int         filemode;
  off_t       numvals;
  char       *filename;
  Record     *record;
  int        nrecs;        /* number of records                  */
  int         nvars;        /* number of variables                */
  int         varlocked;    /* variables locked                   */
  svarinfo_t *vars;
  int         varsAllocated;
  int         varinit;
  int         curTsID;      /* current timestep ID */
  int         rtsteps;      /* number of tsteps accessed       */
  long        ntsteps;      /* number of tsteps : only set if all records accessed */
  int         numTimestep;  /* number of tsteps : only set if all records accessed */
  TSTEPS     *tsteps;
  int         tstepsTableSize;
  int         tstepsNextID;
  BaseTime    basetime;
  int         ncmode;
  int         vlistID;
  int         xdimID[MAX_GRIDS_PS];
  int         ydimID[MAX_GRIDS_PS];
  int         zaxisID[MAX_ZAXES_PS];
  int         ncxvarID[MAX_GRIDS_PS];
  int         ncyvarID[MAX_GRIDS_PS];
  int         ncavarID[MAX_GRIDS_PS];
  int         historyID;
  int         globalatts;
  int         localatts;
  VCT         vct;
  int         unreduced;
  int         sortname;
  int         have_missval;
  int         comptype;      // compression type
  int         complevel;     // compression level
  int         curfile;
  int         nfiles;
  char      **fnames;
#if defined (GRIBCONTAINER2D)
  void      **gribContainers;
#else
  void       *gribContainers;
#endif
  int         vlistIDorig;
}
stream_t;


extern int CDI_Debug;      /* If set to 1, debuggig (default 0)            */
extern double cdiDefaultMissval;
extern int cdiDefaultInstID;
extern int cdiDefaultModelID;
extern int cdiDefaultTableID;
extern int cdiDefaultLeveltype;
extern int cdiNcMissingValue;
extern int cdiNcChunksizehint;
extern int cdiChunkAlgo;
extern int cdiChunkX;
extern int cdiChunkY;
extern int cdiSplitLtype105;

extern char *cdiPartabPath;
extern int   cdiPartabIntern;

stream_t *stream_to_pointer(int idx);
stream_t *stream_new_entry(void);
void stream_delete_entry(stream_t *streamptr);
void stream_check_ptr(const char *caller, stream_t *streamptr);

int     streamInqFileID(int streamID);

int     zaxisInqLevelID(int zaxisID, double level);
char   *gridNamePtr(int gridtype);
char   *zaxisNamePtr(int leveltype);

void    streamCheckID(const char *caller, int streamID);

void    streamDefineTaxis(int streamID);

int     streamsNewEntry(int filetype);
void    streamsInitEntry(int streamID);
int     streamNewVar(int streamID, int gridID, int zaxisID);

int     tstepsNewEntry(int streamID);

char   *strfiletype(int filetype);

void    cdiGenVars(int streamID);

void    cdiCheckContents(int streamID);

void    cdiCreateRecords(int streamID, int tsID);

int     recordNewEntry(int streamID, int tsID);

void    cdiCreateTimesteps(int streamID);

void    recordInitEntry(record_t *record);

void    cdiCheckZaxis(int zaxisID);

void    cdiPrintDatatypes(void);

void    cdiDefAccesstype(int streamID, int type);
int     cdiInqAccesstype(int streamID);

void    streamDefDimgroupID(int streamID, int dimgroupID);
int     streamInqDimgroupID(int streamID);

int     getByteswap(int byteorder);

int     streamSize ();
void    streamGetIndexList ( int, int * );


void  cdiInitialize(void);

void stream_write_record(int streamID, int memtype, const void *data, int nmiss);


#endif  /* _STREAM_INT_H */
/*
 * Local Variables:
 * c-file-style: "Java"
 * c-basic-offset: 2
 * indent-tabs-mode: nil
 * show-trailing-whitespace: t
 * require-trailing-newline: t
 * End:
 */
