grib2_int.h

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#ifndef _grib2_int_H
#define _grib2_int_H
 
#include <stdio.h>
#include <stdint.h>
#include <assert.h>
#include "grib2.h"
 
#define ALOG2 (0.69314718) 
#define G2C_JASPER_JPEG_FORMAT_NAME "jpc" 
struct gtemplate
{
    g2int type;
 
    g2int num; 
    g2int maplen;
 
    g2int *map;
 
    g2int needext;
 
    g2int extlen;
 
    g2int *ext;
};
 
typedef struct gtemplate gtemplate; 
/* Legacy support functions. */
double int_power(double x, g2int y);
void mkieee(float *a, g2int *rieee, g2int num);
void rdieee(g2int *rieee, float *a, g2int num);
 
/* Get the various templates. */
gtemplate *getdrstemplate(g2int number);
gtemplate *extdrstemplate(g2int number, g2int *list);
gtemplate *getpdstemplate(g2int number);
gtemplate *extpdstemplate(g2int number, g2int *list);
gtemplate *getgridtemplate(g2int number);
gtemplate *extgridtemplate(g2int number, g2int *list);
 
/* Packing and unpacking data. */
void simpack(float *fld, g2int ndpts, g2int *idrstmpl,
             unsigned char *cpack, g2int *lcpack);
g2int simunpack(unsigned char *cpack, g2int *idrstmpl, g2int ndpts,
                float *fld);
void compack(float *fld, g2int ndpts, g2int idrsnum, g2int *idrstmpl,
             unsigned char *cpack, g2int *lcpack);
int comunpack(unsigned char *cpack, g2int lensec, g2int idrsnum,
              g2int *idrstmpl, g2int ndpts, float *fld);
void misspack(float *fld, g2int ndpts, g2int idrsnum, g2int *idrstmpl,
              unsigned char *cpack, g2int *lcpack);
void cmplxpack(float *fld, g2int ndpts, g2int idrsnum, g2int *idrstmpl,
               unsigned char *cpack, g2int *lcpack);
g2int getpoly(unsigned char *csec3, g2int *jj, g2int *kk, g2int *mm);
void specpack(float *fld, g2int ndpts, g2int JJ, g2int KK, g2int MM,
              g2int *idrstmpl, unsigned char *cpack, g2int *lcpack);
g2int specunpack(unsigned char *cpack, g2int *idrstmpl, g2int ndpts, g2int JJ,
                 g2int KK, g2int MM, float *fld);
g2int getdim(unsigned char *csec3, g2int *width, g2int *height, g2int *iscan);
 
int enc_png(unsigned char *data, g2int width, g2int height, g2int nbits,
            unsigned char *pngbuf);
int dec_png(unsigned char *pngbuf, g2int *width, g2int *height,
            unsigned char *cout);
void pngpack(float *fld, g2int width, g2int height, g2int *idrstmpl,
             unsigned char *cpack, g2int *lcpack);
g2int pngunpack(unsigned char *cpack, g2int len, g2int *idrstmpl, g2int ndpts,
                float *fld);
int enc_jpeg2000(unsigned char *cin, g2int width, g2int height, g2int nbits,
                 g2int ltype, g2int ratio, g2int retry, char *outjpc,
                 g2int jpclen);
int dec_jpeg2000(char *injpc, g2int bufsize, g2int *outfld);
void jpcpack(float *fld, g2int width, g2int height, g2int *idrstmpl,
             unsigned char *cpack, g2int *lcpack);
g2int jpcunpack(unsigned char *cpack, g2int len, g2int *idrstmpl, g2int ndpts,
                float *fld);
 
/* Packing and unpacking bits. */
void gbit(unsigned char *in, g2int *iout, g2int iskip, g2int nbits);
void sbit(unsigned char *out, g2int *in, g2int iskip, g2int nbits);
void gbits(unsigned char *in, g2int *iout, g2int iskip, g2int nbits,
           g2int nskip, g2int n);
void sbits(unsigned char *out, g2int *in, g2int iskip, g2int nbits,
           g2int nskip, g2int n);
 
/* Deal with grib groups. */
int pack_gp(g2int *kfildo, g2int *ic, g2int *nxy,
            g2int *is523, g2int *minpk, g2int *inc, g2int *missp, g2int *misss,
            g2int *jmin, g2int *jmax, g2int *lbit, g2int *nov,
            g2int *ndg, g2int *lx, g2int *ibit, g2int *jbit, g2int *kbit,
            g2int *novref, g2int *lbitref, g2int *ier);
 
/* Check the message header and check for message termination. */
int g2c_check_msg(unsigned char *cgrib, g2int *lencurr, int verbose);
 
/* Handle logging. */
#ifdef LOGGING
 
/* To log something... */
void g2_log(int severity, const char *fmt, ...);
 
#define LOG(e) g2_log e
 
#else /* LOGGING */
 
#define LOG(e)
 
#endif /* LOGGING */
 
#endif  /*  _grib2_int_H  */