System functions More...

Public Member Functions
double	POWER (double Base, double Exponent)
	Returns a specified number raised to the specified power. More...

double	SIN (double Angle)
	Returns the sine of the specified angle. More...

double	SINH (double Angle)
	Returns the hyperbolic sine of the specified angle. More...

double	COS (double Angle)
	Returns the cosine of the specified angle. More...

double	COSH (double Angle)
	Returns the cosine of the specified angle. More...

double	TG (double Angle)
	Returns the tangent of the specified angle. More...

double	TGH (double Angle)
	Returns the hyperbolic tangent of the specified angle. More...

double	COTH (double Angle)
	Returns the cotangent of the specified angle. More...

double	ABS (double Value)
	Returns the absolute value of a specified number. More...

double	SQRT (double Value)
	Returns the square root of a specified number. More...

double	LN (double Value)
	Returns the natural (base 'e') logarithm of a specified number. More...

double	LOG (double Value)
	Returns the base 10 logarithm of a specified number. More...

double	LOG (double Value, double Base)
	Returns the logarithm of a specified number in a specified base. More...

double	SUM (params double[] Values)
	Returns sum of given numeric parameters. More...

double	AVERAGE (params double[] Values)
	Returns arithmetic averarge of given numeric parameters. More...

double	MIN (params double[] Values)
	Returns the smallest of given numbers. More...

double	MAX (params double[] Values)
	Returns the biggest of given numbers. More...

double	PARMIN (params double[] Values)
	Returns the smallest of given numbers. Draw vertical stack of given formulas to output. More...

double	PARMAX (params double[] Values)
	Returns the biggest of given numbers. Draw vertical stack of given formulas to output. More...

double	CEILING (double Value)
	Returns number rounded up, away from zero, to the nearest integer. More...

double	CEILING (double Value, double Significance)
	Returns number rounded up, away from zero, to the nearest multiple of significance. More...

double	FLOOR (double Value)
	Returns number rounded down, away from zero, to the nearest integer. More...

double	FLOOR (double Value, double Significance)
	Returns number rounded down, away from zero, to the nearest multiple of significance. More...

double	ROUND (double Value)
	Rounds a numeric value to the nearest integet. More...

double	ROUND (double Value, int Decimals)
	Rounds a numeric value to a specified number of fractional digits. More...

double	ROUND (double Value, int Decimals, string Unit)
	Rounds a numeric value to a specified number of fractional digits. Value is expressed in given physical units. More...

double	ROUNDUP (double Value)
	Rounds a numeric value UP to the nearest integet. More...

double	ROUNDUP (double Value, int Decimals)
	Rounds a numeric value UP to a specified number of fractional digits. More...

double	ROUNDUP (double Value, int Decimals, string Unit)
	Rounds a numeric value UP to a specified number of fractional digits. Value is expressed in given physical units. More...

double	ROUNDDOWN (double Value)
	Rounds a numeric value DOWN to the nearest integet. More...

double	ROUNDDOWN (double Value, int Decimals)
	Rounds a numeric value DOWN to a specified number of fractional digits. More...

double	ROUNDDOWN (double Value, int Decimals, string Unit)
	Rounds a numeric value DOWN to a specified number of fractional digits. Value is expressed in given physical units. More...

double	DIV (double I1, double I2)
	Calculates the quotient of two 32-bit signed integers. More...

double	MOD (double I1, double I2)
	Returns the remainder of two 32-bit signed integers. More...

double	ARCSIN (double Value)
	Returns the angle whose sine is the specified number. More...

double	ARCCOS (double Value)
	Returns the angle whose cosine is the specified number. More...

double	ARCTG (double Value)
	Returns the angle whose tangent is the specified number. More...

double	ARCTG (double X, double Y)
	Returns the angle whose tangent is the quotient of two specified numbers. More...

double	COMPARE (object O1, object O2)
	Compares two specified objects, and returns an integer that indicates their relative position in the sort order. More...

double	COMPARE (object O1, object O2, double Precision)

double	LinInterp (double X, params Point[] Points)
	Linear interpolation on a set of data points (x0, y0), (x1, y1), ..., (xn, yn). Function returns concatenation of linear interpolants between each pair of data points. More...

double	LinExtrap (double X, PointD Point1, PointD Point2)
	Linear extrapolation on line specified by Point1 and Point2 More...

double	PointFromLine (object Point, object L1, object L2)
	Returns distance from given point to line defined by two points. More...

double	CUnit (double Value, string TargetUnit)
	Convert given value from source to target unit More...

double	CUnit (double Value, string TargetUnit, string SourceUnit)
	Convert given value from source to target unit More...

double	GetLength (object IList)
	Return length of given array (list). More...

bool	IsNaN (double Value)
	Returns a value that indicates whether the specified value is not a number (NaN). More...

bool	IsInfinity (double Value)
	Returns a value indicating whether the specified number evaluates to negative or positive infinity More...

bool	IsNegativeInfinity (double Value)
	Returns a value indicating whether the specified number evaluates to negative infinity. More...

bool	IsPositiveInfinity (double Value)
	Returns a value indicating whether the specified number evaluates to positive infinity. More...

bool	IsNullOrWhiteSpace (double Value)
	Indicates whether a specified string is null, empty, or consists only of white-space characters. More...

bool	IsNullOrEmpty (double Value)
	Indicates whether the specified string is null or an Empty string. More...

string	Description (string VariableName)
	Returns description of variable with given name. Description is automatically translated to the selected language. More...

string	Val (double D, int Precision)
	Reformats numeric input to required output with given precision. More...

string	LowIndex (string Value)
	Convert given string to lower index More...

string	UpIndex (string Value)
	Convert given string to upper index More...

string	RenameVar (object Variable, string NewDrawName)
	Change DrawName of given variable to the value defined by the second parameter. More...

string	TR (string Message)
	Return the translation of the message to the current language More...

void	Text (object Param)
	Add text to the graphical output More...

void	Img (string ImageID)
	Insert static (bitmap) image to the graphical output More...

void	Block ()
	Creates new block in the graphical output More...

void	Block (string Caption)
	Creates new collapsible block in the graphical output More...

void	PageBreak ()
	Insert PageBreak mark into output. More...

void	Break ()
	Terminates the closest enclosing loop or while statement in which it appears. Control is passed to the statement that follows the terminated statement, if any. More...

void	Exit ()
	Terminates calculation run. More...

void	Continue ()
	The continue statement passes control to the next iteration of the enclosing while, for, or foreach statement in which it appears. More...

object	LoadExternCLC (string Path)
	Load and initialize calculation from extern file. More...

List< object >	Sort (object List, string PropertyName)
	Sort list of object by the property specified by name. More...

List< object >	Sort (object List, string PropertyName, bool Descendant)
	Sort list of object by the property specified by name. More...

RectangleF	GetBounds (object Points)
	Returns rectangle bounds of the specified list of points. More...

TStructure	SaveResults (eResultType ResultType, string Key)
	Save structured variable with all calculation results (defined by ESA_ID starting with 'Result.') to result-holder-node of IO structure More...

object	SaveResults (eResultType ResultType, string Key, object Value)
	Save user-defined value to result-holder-node of IO structure More...

object	ReadResults (eResultType ResultType)
	Returns complete results node from IO structure More...

object	ReadResults (eResultType ResultType, string Key)
	Reads results set with given key from IO..Results More...

bool	TryReadResults (eResultType ResultType, string Key, out object Value)
	Tries to read results from given result set More...

PointD[]	RoundPolyline (IList Points, double Radius, int Segments)
	Round polyline with given radius More...

object	GetDialogStructure ()
	Return structure which contains all inputs from the dialog More...

Detailed Description

System functions

Member Function Documentation

double ABS ( double Value )

Returns the absolute value of a specified number.

Parameters

Value A number that is greater than or equal to Double.MinValue, but less than or equal to Double.MaxValue.

Returns: A double-precision floating-point number, x, such that 0 ≤ x ≤ Double.MaxValue.

double ARCCOS ( double Value )

Returns the angle whose cosine is the specified number.

Parameters

Value A number representing a cosine, where d must be greater than or equal to -1, but less than or equal to 1.

Returns: Angle in degrees. A positive return value represents a counterclockwise angle from the x-axis; a negative return value represents a clockwise angle.

double ARCSIN ( double Value )

Returns the angle whose sine is the specified number.

Parameters

Value A number representing a sine, where d must be greater than or equal to -1, but less than or equal to 1.

Returns: Angle in degrees. A positive return value represents a counterclockwise angle from the x-axis; a negative return value represents a clockwise angle.

double ARCTG ( double Value )

Returns the angle whose tangent is the specified number.

Parameters

Value A number representing a tangent.

Returns: An angle, θ, measured in degrees, such that -π/2 ≤ θ ≤ π/2. Returns -π/2 if d is NegativeInfinity, or π/2 if d equals PositiveInfinity.

double ARCTG	(	double	X,
		double	Y
	)

Returns the angle whose tangent is the quotient of two specified numbers.

Parameters

X	The X coordinate of a point.
Y	The Y coordinate of a point.

Returns: An angle, measured in degrees, such that -π ≤ θ ≤ π, and tan(θ) = y / x, where (x, y) is a point in the Cartesian plane.

double AVERAGE ( params double[] Values )

Returns arithmetic averarge of given numeric parameters.

Parameters

Values Numeric expressions

Returns: Arithmetic average of given expressions

void Block ( )

Creates new block in the graphical output

void Block ( string Caption )

Creates new collapsible block in the graphical output

Parameters

Caption Caption of the collapsible block

void Break ( )

Terminates the closest enclosing loop or while statement in which it appears. Control is passed to the statement that follows the terminated statement, if any.

double CEILING ( double Value )

Returns number rounded up, away from zero, to the nearest integer.

Parameters

Value Value to be rounded

Returns: Number rounded up, away from zero, to the nearest integer

double CEILING	(	double	Value,
		double	Significance
	)

Returns number rounded up, away from zero, to the nearest multiple of significance.

Parameters

Value	Value to be rounded
Significance	Multiple to which you want to round.

Returns: Number rounded up, away from zero, to the nearest multiple of significance

double COMPARE	(	object	O1,
		object	O2
	)

Compares two specified objects, and returns an integer that indicates their relative position in the sort order.

Parameters

O1	First object to compare
O2	Second object to compare

Returns: -1..First is less; 0..Object are the same; 1..First is greater; 2..Object can not be compared

double COMPARE	(	object	O1,
		object	O2,
		double	Precision
	)

Parameters

O1	First object to compare
O2	Second object to compare
Precision	Precision used to compare numeric values. Values are considered to be same, if relative difference is less than 1+Power(10, -Precision). Presision=3 => difference is less than 1.001

Returns: -1..First is less; 0..Object are the same; 1..First is greater; 2..Object can not be compared

void Continue ( )

The continue statement passes control to the next iteration of the enclosing while, for, or foreach statement in which it appears.

double COS ( double Angle )

Returns the cosine of the specified angle.

Parameters

Angle An angle, measured in degrees.

Returns: The cosine of angle. If angle is equal to NaN, NegativeInfinity, or PositiveInfinity, this method returns NaN.

double COSH ( double Angle )

Returns the cosine of the specified angle.

Parameters

Angle An angle, measured in degrees.

Returns: The hyperbolic cosine of value. If value is equal to NegativeInfinity or PositiveInfinity, PositiveInfinity is returned. If value is equal to NaN, NaN is returned.

double COTH ( double Angle )

Returns the cotangent of the specified angle.

Parameters

Angle An angle, measured in degrees.

Returns: The cotangent of angle. If angle is equal to NaN, NegativeInfinity, or PositiveInfinity, this method returns NaN.

double CUnit	(	double	Value,
		string	TargetUnit
	)

Convert given value from source to target unit

Parameters

Value	Value to be converted
TargetUnit	Unit to which the value should be transferred

Returns

double CUnit	(	double	Value,
		string	TargetUnit,
		string	SourceUnit
	)

Convert given value from source to target unit

Parameters

Value	Value to be converted
TargetUnit	Unit to which the value should be transferred
SourceUnit	Initial unit of the value

Returns

string Description ( string VariableName )

Returns description of variable with given name. Description is automatically translated to the selected language.

Parameters

VariableName Name of variable

Returns: Description of variable translated to active language

double DIV	(	double	I1,
		double	I2
	)

Calculates the quotient of two 32-bit signed integers.

Parameters

I1	The dividend.
I2	The divisor.

Returns: The quotient of the specified numbers.

void Exit ( )

Terminates calculation run.

double FLOOR ( double Value )

Returns number rounded down, away from zero, to the nearest integer.

Parameters

Value Value to be rounded

Returns: Number rounded down, away from zero, to the nearest integer

double FLOOR	(	double	Value,
		double	Significance
	)

Returns number rounded down, away from zero, to the nearest multiple of significance.

Parameters

Value	Value to be rounded
Significance	Multiple to which you want to round.

Returns: Number rounded down, away from zero, to the nearest multiple of significance

RectangleF GetBounds ( object Points )

Returns rectangle bounds of the specified list of points.

Parameters

Points List of points. Acceptable types: Point, PointF, PointD, structure.

Returns: Rectangle bounds of all the points in the list.

object GetDialogStructure ( )

Return structure which contains all inputs from the dialog

Returns: Structure which contains all inputs from the dialog

double GetLength ( object IList )

Return length of given array (list).

Parameters

IList Array whose length is to be measured.

Returns: Return length of given array, or -1 for non-array types.

void Img ( string ImageID )

Insert static (bitmap) image to the graphical output

Parameters

ImageID Image identifier (set in image library)

bool IsInfinity ( double Value )

Returns a value indicating whether the specified number evaluates to negative or positive infinity

Parameters

Value Value to test

Returns: true if d evaluates to PositiveInfinity or NegativeInfinity; otherwise, false.

bool IsNaN ( double Value )

Returns a value that indicates whether the specified value is not a number (NaN).

Parameters

Value A double-precision floating-point number.

Returns: true if d evaluates to NaN; otherwise, false.

bool IsNegativeInfinity ( double Value )

Returns a value indicating whether the specified number evaluates to negative infinity.

Parameters

Value Value to test

Returns: true if d evaluates to NegativeInfinity; otherwise, false.

bool IsNullOrEmpty ( double Value )

Indicates whether the specified string is null or an Empty string.

Parameters

Value String to test

Returns: true if the value parameter is null or an empty string (""); otherwise, false.

bool IsNullOrWhiteSpace ( double Value )

Indicates whether a specified string is null, empty, or consists only of white-space characters.

Parameters

Value String to test

Returns: true if the value parameter is null or String.Empty, or if value consists exclusively of white-space characters.

bool IsPositiveInfinity ( double Value )

Returns a value indicating whether the specified number evaluates to positive infinity.

Parameters

Value Value to test

Returns: true if d evaluates to PositiveInfinity; otherwise, false.

double LinExtrap	(	double	X,
		PointD	Point1,
		PointD	Point2
	)

Linear extrapolation on line specified by Point1 and Point2

Parameters

X	X-coordinate of extrapolated value
Point1	First point defining the extrapolation line
Point2	Second point defining the extrapolation line

Returns: Linear extrapolation on the given line, at location X

double LinInterp	(	double	X,
		params Point[]	Points
	)

Linear interpolation on a set of data points (x0, y0), (x1, y1), ..., (xn, yn). Function returns concatenation of linear interpolants between each pair of data points.

Parameters

X	X value for linear interpolation.
Points	Set of data points (x0, y0), (x1, y1), ..., (xn, yn).

Returns: Linear interpolation on a set of data points.

double LN ( double Value )

Returns the natural (base 'e') logarithm of a specified number.

Parameters

Value The number whose logarithm is to be found.

Returns: The natural logarithm of Value

object LoadExternCLC ( string Path )

Load and initialize calculation from extern file.

Parameters

Path	Path to file containing required calculation.

Returns: Extern calculation object.

double LOG ( double Value )

Returns the base 10 logarithm of a specified number.

Parameters

Value A number whose logarithm is to be found.

Returns: The base 10 log of Value.

double LOG	(	double	Value,
		double	Base
	)

Returns the logarithm of a specified number in a specified base.

Parameters

Value	The number whose logarithm is to be found.
Base	The base of the logarithm.

Returns: Returns the logarithm of a specified number in a specified base.

string LowIndex ( string Value )

Convert given string to lower index

Parameters

Value String value to be converted to lower index.

Returns: Value converted to lower index.

double MAX ( params double[] Values )

Returns the biggest of given numbers.

Parameters

Values Array of numbers.

Returns: Returns the biggest of given numbers

double MIN ( params double[] Values )

Returns the smallest of given numbers.

Parameters

Values Array of numbers.

Returns: Returns the smallest of given numbers

double MOD	(	double	I1,
		double	I2
	)

Returns the remainder of two 32-bit signed integers.

Parameters

I1	The dividend.
I2	The divisor.

Returns: The remainder of the specified numbers.

void PageBreak ( )

Insert PageBreak mark into output.

double PARMAX ( params double[] Values )

Returns the biggest of given numbers. Draw vertical stack of given formulas to output.

Parameters

Values Array of numbers.

Returns: Returns the biggest of given numbers

double PARMIN ( params double[] Values )

Returns the smallest of given numbers. Draw vertical stack of given formulas to output.

Parameters

Values Array of numbers.

Returns: Returns the smallest of given numbers

double PointFromLine	(	object	Point,
		object	L1,
		object	L2
	)

Returns distance from given point to line defined by two points.

Parameters

Point	Point. Acceptable types: Point, PointF, PointD, struct[X, Y].
L1	First point on the line. Acceptable types: Point, PointF, PointD, struct[X, Y].
L2	Second point on the lint. Acceptable types: Point, PointF, PointD, struct[X, Y].

Returns: Distance from the given point to the line in plain XY.

double POWER	(	double	Base,
		double	Exponent
	)

Returns a specified number raised to the specified power.

Parameters

Base	A double-precision floating-point number to be raised to a power.
Exponent	A double-precision floating-point number that specifies a power.

Returns: The number x raised to the power y.

object ReadResults ( eResultType ResultType )

Returns complete results node from IO structure

Parameters

ResultType Result type which determines result place holder: ResultType.Member, ResultType.Place, ResultType.Combi

Returns: Results node from IO structure

object ReadResults	(	eResultType	ResultType,
		string	Key
	)

Reads results set with given key from IO..Results

Parameters

ResultType	Result type which determines result place holder: ResultType.Member, ResultType.Place, ResultType.Combi
Key	Key identifying results set in result place holder

Returns: Value saved in results holder Results set with given key

string RenameVar	(	object	Variable,
		string	NewDrawName
	)

Change DrawName of given variable to the value defined by the second parameter.

Parameters

Variable	Variable whose DrawName is to be changed.
NewDrawName	New DrawName of the variable.

Returns: New DrawName of the variable.

double ROUND ( double Value )

Rounds a numeric value to the nearest integet.

Parameters

Value A double-precision number to be rounded.

Returns: The nearest integer value.

double ROUND	(	double	Value,
		int	Decimals
	)

Rounds a numeric value to a specified number of fractional digits.

Parameters

Value	A double-precision number to be rounded.
Decimals	The number of decimal places in the return value.

Returns: The nearest decimal value with given number of decimals.

double ROUND	(	double	Value,
		int	Decimals,
		string	Unit
	)

Rounds a numeric value to a specified number of fractional digits. Value is expressed in given physical units.

Parameters

Value	A double-precision number to be rounded.
Decimals	The number of decimal places in the return value.
Unit	Physical unit, in which the value is expressed

Returns

double ROUNDDOWN ( double Value )

Rounds a numeric value DOWN to the nearest integet.

Parameters

Value A double-precision number to be rounded.

Returns: The nearest lower integer value.

double ROUNDDOWN	(	double	Value,
		int	Decimals
	)

Rounds a numeric value DOWN to a specified number of fractional digits.

Parameters

Value	A double-precision floating-point number to be rounded.
Decimals	A double-precision floating-point number to be rounded.

Returns: The nearest lower decimal value with given number of decimals.

double ROUNDDOWN	(	double	Value,
		int	Decimals,
		string	Unit
	)

Rounds a numeric value DOWN to a specified number of fractional digits. Value is expressed in given physical units.

Parameters

Value	A double-precision number to be rounded.
Decimals	The number of decimal places in the return value.
Unit	Physical unit, in which the value is expressed

Returns

PointD [] RoundPolyline	(	IList	Points,
		double	Radius,
		int	Segments
	)

Round polyline with given radius

Parameters

Points	Polyline points
Radius	Radius
Segments	Number of segments in radius

Returns: Points of rounded polyline

double ROUNDUP ( double Value )

Rounds a numeric value UP to the nearest integet.

Parameters

Value A double-precision number to be rounded.

Returns: The nearest higher integer value.

double ROUNDUP	(	double	Value,
		int	Decimals
	)

Rounds a numeric value UP to a specified number of fractional digits.

Parameters

Value	A double-precision number to be rounded.
Decimals	The number of decimal places in the return value.

Returns: The nearest bigger decimal value with given number of decimals.

double ROUNDUP	(	double	Value,
		int	Decimals,
		string	Unit
	)

Rounds a numeric value UP to a specified number of fractional digits. Value is expressed in given physical units.

Parameters

Value	A double-precision number to be rounded.
Decimals	The number of decimal places in the return value.
Unit	Physical unit, in which the value is expressed

Returns

TStructure SaveResults	(	eResultType	ResultType,
		string	Key
	)

Save structured variable with all calculation results (defined by ESA_ID starting with 'Result.') to result-holder-node of IO structure

Parameters

ResultType	Result type which determines result place holder: ResultType.Member, ResultType.Place, ResultType.Combi
Key	Key used to identify result structure saved in given results node

Returns: Value saved to the results

object SaveResults	(	eResultType	ResultType,
		string	Key,
		object	Value
	)

Save user-defined value to result-holder-node of IO structure

Parameters

ResultType	Result type which determines result place holder: ResultType.Member, ResultType.Place, ResultType.Combi
Key	Key used to identify value saved in given results node
Value	Value saved under given key

Returns: Value saved to the results

double SIN ( double Angle )

Returns the sine of the specified angle.

Parameters

Angle An angle, measured in degrees.

Returns: The sine of angle. If angle is equal to NaN, NegativeInfinity, or PositiveInfinity, this method returns NaN.

double SINH ( double Angle )

Returns the hyperbolic sine of the specified angle.

Parameters

Angle An angle, measured in degrees.

Returns: The hyperbolic sine of value. If value is equal to NegativeInfinity, PositiveInfinity, or NaN, this method returns a Double equal to value.

List<object> Sort	(	object	List,
		string	PropertyName
	)

Sort list of object by the property specified by name.

Parameters

List	List of objects to sort.
PropertyName	Case sensitive name of property used to sorting.

Returns: Sorted list of objects.

List<object> Sort	(	object	List,
		string	PropertyName,
		bool	Descendant
	)

Sort list of object by the property specified by name.

Parameters

List	List of objects to sort.
PropertyName	Case sensitive name of property used to sorting.
Descendant	True to descendant sorting. Otherwise false.

Returns: Sorted list of objects.

double SQRT ( double Value )

Returns the square root of a specified number.

Parameters

Value The number whose square root is to be found.

Returns: The positive square root of Value.

double SUM ( params double[] Values )

Returns sum of given numeric parameters.

Parameters

Values Numeric expressions

Returns: Sum of given expressions

void Text ( object Param )

Add text to the graphical output

Parameters

Param Text content

double TG ( double Angle )

Returns the tangent of the specified angle.

Parameters

Angle An angle, measured in degrees.

Returns: The tangent of angle. If angle is equal to NaN, NegativeInfinity, or PositiveInfinity, this method returns NaN.

double TGH ( double Angle )

Returns the hyperbolic tangent of the specified angle.

Parameters

Angle An angle, measured in degrees.

Returns: The hyperbolic tangent of value. If value is equal to NegativeInfinity, this method returns -1. If value is equal to PositiveInfinity, this method returns 1. If value is equal to NaN, this method returns NaN.

string TR ( string Message )

Return the translation of the message to the current language

Parameters

Message Message to be translated

Returns: Translated message (if available) or the message itself.

bool TryReadResults	(	eResultType	ResultType,
		string	Key,
		out object	Value
	)

Tries to read results from given result set

Parameters

ResultType	Result type which determines result place holder: ResultType.Member, ResultType.Place, ResultType.Combi
Key	Key identifying results set in result place holder
Value	When this method returns, contains the value associated with the specified key, if the key is found; otherwise NULL. This parameter can be passed uninitialized.

Returns: TRUE if the structure contains an element with the specified key; otherwise FALSE.

string UpIndex ( string Value )

Convert given string to upper index

Parameters

Value String value to be converted to upper index.

Returns: Value converted to upper index.

string Val	(	double	D,
		int	Precision
	)

Reformats numeric input to required output with given precision.

Parameters

D	Input numeric value or expression.
Precision	Output precision.

Returns: Returns input numeric value/expression.

Public Member Functions

Detailed Description

Member Function Documentation