dataday.h File Reference

#include <time.h>
#include <libnav.h>

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Classes
struct	coord

Macros
#define	DATELINE_NOT_CROSSED   0
#define	DATELINE_CROSSED   1
#define	DATELINE_NORTH_POLE   2
#define	DATELINE_SOUTH_POLE   3
#define	DATELINE_IRREGULAR   4
#define	INVALID_COORD   99999.999
#define	EPOCH_YEAR   1970
#define	SECONDS_PER_YEAR   31536000
#define	SECONDS_PER_LEAP_YEAR   31622400
#define	MALLOC(ptr, typ, num)

Enumerations
enum	hort { head, tail }

Functions
void	get_coord_extrema (int isnight, int n, float *olat, float *olon, float *north, float *south, float *west, float *east, int *dateline)
void	get_datadays (time_t starttime, float eqxhour, int isnight, int dateline, float west, float east, int32_t *dataday0, int32_t *dataday1)
void	cdata_ ()
void	push (struct coord **vrtx, enum hort hort, float lat, float lon)
int	daynight_outlines (int32_t *year, int32_t *dayOfYear, int32_t *msecondOfDay, int32_t wid, int32_t hgt, float **lat, float **lon, int32_t n[2], float *olat[2], float *olon[2], int8_t **dorn)

Macro Definition Documentation

DATELINE_CROSSED

#define DATELINE_CROSSED   1

Definition at line 14 of file dataday.h.

DATELINE_IRREGULAR

#define DATELINE_IRREGULAR   4

Definition at line 17 of file dataday.h.

DATELINE_NORTH_POLE

#define DATELINE_NORTH_POLE   2

Definition at line 15 of file dataday.h.

DATELINE_NOT_CROSSED

#define DATELINE_NOT_CROSSED   0

Definition at line 13 of file dataday.h.

DATELINE_SOUTH_POLE

#define DATELINE_SOUTH_POLE   3

Definition at line 16 of file dataday.h.

EPOCH_YEAR

#define EPOCH_YEAR   1970

Definition at line 20 of file dataday.h.

INVALID_COORD

#define INVALID_COORD   99999.999

Definition at line 18 of file dataday.h.

MALLOC

#define MALLOC	(		ptr,
			typ,
			num
	)

Value:

  {                                           \
  (ptr) = (typ *)malloc((num) * sizeof(typ));                           \
  if((ptr) == NULL){                                                    \
    fprintf(stderr,"-E- %s line %d: Memory allocation failure.\n",      \
    __FILE__,__LINE__);                                                 \
    exit(EXIT_FAILURE);                                                 \
  }                                                                     \
}

Definition at line 23 of file dataday.h.

SECONDS_PER_LEAP_YEAR

#define SECONDS_PER_LEAP_YEAR   31622400

Definition at line 22 of file dataday.h.

SECONDS_PER_YEAR

#define SECONDS_PER_YEAR   31536000

Definition at line 21 of file dataday.h.

Enumeration Type Documentation

hort

enum hort

Enumerator
head
tail

Definition at line 36 of file dataday.h.

Function Documentation

cdata_()

void cdata_

(

)

daynight_outlines()

int daynight_outlines	(	int32_t *	year,
		int32_t *	dayOfYear,
		int32_t *	msecondOfDay,
		int32_t	wid,
		int32_t	hgt,
		float **	lat,
		float **	lon,
		int32_t	n[2],
		float *	olat[2],
		float *	olon[2],
		int8_t **	dorn
	)

Definition at line 244 of file dataday.c.

get_coord_extrema()

void get_coord_extrema	(	int	isnight,
		int	n,
		float *	olat,
		float *	olon,
		float *	north,
		float *	south,
		float *	west,
		float *	east,
		int *	dateline
	)

Definition at line 65 of file dataday.c.

get_datadays()

void get_datadays	(	time_t	starttime,
		float	eqxhour,
		int	isnight,
		int	dateline,
		float	west,
		float	east,
		int32_t *	dataday0,
		int32_t *	dataday1
	)

Definition at line 17 of file dataday.c.

push()

void push	(	struct coord **	vrtx,
		enum hort	hort,
		float	lat,
		float	lon
	)