sc_utility.h File Reference

Miscellaneous functions. More...

Go to the source code of this file.

Macros
#define	ERROR(...)   error(__FILE__,__LINE__,__VA_ARGS__)
	Macro for calling error() with file and line information.

Functions
unsigned short	GrayToBinary (unsigned short x)
	Converts gray code to binary. More...
unsigned short	BinaryToGray (unsigned short x)
	Converts binary to gray code. More...
ml_matrix	unique_numbers_in_list (const ml_matrix &u)
	Unique numbers in a list. More...
ml_matrix	polygon_props (const ml_matrix &v, ml_matrix f, ml_matrix &n, ml_matrix &r)
	Polygon properties for a set of polygons. More...
double	polygon (const ml_matrix &v, ml_matrix &n, ml_matrix &r)
	Polygon properties for a single polygon. More...
int	get_naif_code (const char *s)
	Get NAIF code. More...
double	attitude_maneuver_time (double inertia, double torque, double angle, double momentum_max)
	Attitude maneuver time. More...
void	sc_log (const char *format,...)
	Log an informational message to stdout. More...
void	sc_warn (const char *format,...)
	Log a message to stderr. More...
void	sc_error (const char *file, int line, const char *format,...)
	Throw a runtime exception, halting execution of the app (if not caught) and printing an error message. More...

Detailed Description

Miscellaneous functions.

Function Documentation

GrayToBinary()

unsigned short GrayToBinary

(

unsigned short

x

)

Converts gray code to binary.

Parameters

x	gray code.

Returns

binary.

BinaryToGray()

unsigned short BinaryToGray

(

unsigned short

x

)

Converts binary to gray code.

Converts binary to gray code.

Parameters

x

binary.

Returns

gray code.

unique_numbers_in_list()

ml_matrix unique_numbers_in_list

(

const ml_matrix &

u

)

Unique numbers in a list.

Unique numbers in a list.

Parameters

u	row matrix

Returns

row matrix containing unique numbers.

polygon_props()

ml_matrix polygon_props	(	const ml_matrix &	v,
		ml_matrix	f,
		ml_matrix &	n,
		ml_matrix &	r
	)

Polygon properties for a set of polygons.

Polygon properties for a set of polygons.

Parameters

v	nx3 matrix of vectors
f	mxp matrix of faces holding indexes to v
n	return normals 3xm
f	return position vectors 3xm

Returns

area 1xm

References polygon().

Referenced by aero_newtonian::initialize().

polygon()

double polygon	(	const ml_matrix &	v,
		ml_matrix &	n,
		ml_matrix &	r
	)

Polygon properties for a single polygon.

Polygon properties for a single polygon.

Parameters

v	3xn matrix of vectors
n	return normals 3x1
r	return position vector 3x1

Returns

area

Referenced by polygon_props().

get_naif_code()

int get_naif_code

(

const char *

s

)

Get NAIF code.

Get NAIF code.

The input is assumed to be lower case

Parameters

s

string

Returns

naif code

Referenced by planet_ecliptic_to_orbit().

attitude_maneuver_time()

double attitude_maneuver_time	(	double	inertia,
		double	torque,
		double	angle,
		double	momentum_max
	)

Attitude maneuver time.

Attitude maneuver time.

UNFINISHED.

Parameters

inertia	axis inertia
torque	maximum torque
angle	desired angle
momentum_max	maximum allowable momentum

Returns

Time