kao.math.Functions Class Reference

Class containing basic maths library functions. More...

List of all members.

Static Public Member Functions
static double[]	max (double[] x)
	Find the max of array x.
static double	sign (double x)
	Sign function.
static double	calcMachineEpsilon ()
	Calculates the machine epsilon.
static double	calcTol (Vector r1, Vector r2)

---

Detailed Description

Class containing basic maths library functions.

Author:

David Kao

---

Member Function Documentation

static double kao.math.Functions.calcMachineEpsilon

(

)

[static]

Calculates the machine epsilon.

Returns the smallest value of eps such that 1.0 + eps > 1.0

Author:

David Kao

static double kao.math.Functions.calcTol	(	Vector	r1,
		Vector	r2
	)			[static]

Calculate the average absolute difference between Vector r1 and Vector r2

Parameters:

	r1	Vector r1
	r2	Vector r2

Returns:

Average absolute difference

static double [] kao.math.Functions.max

(

double[]

x

)

[static]

Find the max of array x.

Parameters:

x

Returns:

[value, index] of maximum value

Author:

David Kao

static double kao.math.Functions.sign

(

double

x

)

[static]

Sign function.

Return +1 if x > 0, -1 if x < 0 and 0 if x == 0.

Parameters:

x

Value to test

Returns:

Sign function

Author:

David Kao