sph.c File Reference

#include <math.h>
#include "wcstrig.h"
#include "sph.h"

Include dependency graph for sph.c:

Macros
#define	wcs_copysign(X, Y)   ((Y) < 0.0 ? -fabs(X) : fabs(X))

Functions
int	sphfwd (double lng, double lat, eul, double *phi, double *theta) const
int	sphrev (double phi, double theta, eul, double *lng, double *lat) const

Variables
const double	tol = 1.0e-5

Macro Definition Documentation

wcs_copysign

#define wcs_copysign	(		X,
			Y
	)		((Y) < 0.0 ? -fabs(X) : fabs(X))

Function Documentation

sphfwd()

int sphfwd	(	double	lng,
		double	lat,
		eul	,
		double *	phi,
		double *	theta
	)		const

sphrev()

int sphrev	(	double	phi,
		double	theta,
		eul	,
		double *	lng,
		double *	lat
	)		const

Variable Documentation

tol

const double tol = 1.0e-5