Powertek.PtMath Struct Reference

Mathematical Calculations and Helper. More...

List of all members.

Static Public Member Functions
static float	DegToRad (float value)
static float	RadToDeg (float value)
static double	DegToRad (double value)
static double	RadToDeg (double value)
static Byte	ClampToByte (int value)
static Byte	ClampToByte (double value)
static float	Clamp (float value, float min, float max)
static double	Clamp (double value, double min, double max)
static int	Clamp (int value, int min, int max)
static int	Clamp (double value, int min, int max)
static int	Clamp (float value, int min, int max)
static double	Maximum (double value1, double value2, double value3)
static Byte	Maximum (Byte value1, Byte value2, Byte value3)
static double	Minimum (double value1, double value2, double value3)
static Byte	Minimum (Byte value1, Byte value2, Byte value3)
static float	RoundToRange (float value, float roundToRange)
static float	CutDecimals (float value, int decNumbers)
static float	RoundDecimals (float value, int decNumbers)
static float	Random (float maxVal)
static float	RandomAround (float maxVal)
static String	SecondToTime (int seconds)
static float	CompoundInterest (float value, float interest, float years)
static double	CompoundInterest (double value, double interest, double years)
static float	CompoundInterestInv (float value, float interest, float years)
static double	CompoundInterestInv (double value, double interest, double years)
static float	InvSqrt (float x)
static double	Pow (double a, double b)
static void	ShellSort< T > (List< T > list)

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Detailed Description

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Member Function Documentation

static int Powertek.PtMath.Clamp	(	float	value,
		int	min,
		int	max
	)			[static]

Clamps a value into the range min..max (including min, max), Input will be rounded to int.

Parameters:

	value	Value to clamp
	min	Min Value (lowest value)
	max	Max Value (highest value)

Returns:

static int Powertek.PtMath.Clamp	(	double	value,
		int	min,
		int	max
	)			[static]

Clamps a value into the range min..max (including min, max), Input will be rounded to int.

Parameters:

	value	Value to clamp
	min	Min Value (lowest value)
	max	Max Value (highest value)

Returns:

static int Powertek.PtMath.Clamp	(	int	value,
		int	min,
		int	max
	)			[static]

Clamps a value into the range min..max (including min, max).

Parameters:

	value	Value to clamp
	min	Min Value (lowest value)
	max	Max Value (highest value)

Returns:

static double Powertek.PtMath.Clamp	(	double	value,
		double	min,
		double	max
	)			[static]

Clamps a value into the range min..max (including min, max).

Parameters:

	value	Value to clamp
	min	Min Value (lowest value)
	max	Max Value (highest value)

Returns:

static float Powertek.PtMath.Clamp	(	float	value,
		float	min,
		float	max
	)			[static]

Clamps a value into the range min..max (including min, max).

Parameters:

	value	Value to clamp
	min	Min Value (lowest value)
	max	Max Value (highest value)

Returns:

static Byte Powertek.PtMath.ClampToByte

(

double

value

)

[static]

Clamps a value into the range 0..255.

Parameters:

value

Returns:

Byte Range 0..255

static Byte Powertek.PtMath.ClampToByte

(

int

value

)

[static]

Clamps a value into the range 0..255.

Parameters:

value

Returns:

Byte Range 0..255

static double Powertek.PtMath.CompoundInterest	(	double	value,
		double	interest,
		double	years
	)			[static]

Calculates the CompoundInterest with the given interest rate (in percent) over the years.

Parameters:

	value
	interest
	years

Returns:

static float Powertek.PtMath.CompoundInterest	(	float	value,
		float	interest,
		float	years
	)			[static]

Calculates the CompoundInterest with the given interest rate (in percent) over the years.

Parameters:

	value	in percent
	interest
	years

Returns:

static double Powertek.PtMath.CompoundInterestInv	(	double	value,
		double	interest,
		double	years
	)			[static]

Calculates the CompoundInterest from the given year back to the start year the result is start value in the year.

Parameters:

	value
	interest
	years

Returns:

static float Powertek.PtMath.CompoundInterestInv	(	float	value,
		float	interest,
		float	years
	)			[static]

Calculates the CompoundInterest from the given year back to the start year the result is start value in the year.

Parameters:

	value	in percent
	interest	in percent
	years

Returns:

static float Powertek.PtMath.CutDecimals	(	float	value,
		int	decNumbers
	)			[static]

Cuts the decimal values to the desired number, works like the string format "0.00" but with the float values, "0.0" decNumbers = 1, "0.00" decNumbers = 2, "0.000" decNumbers = 3 etc.

Parameters:

	value	The value to process
	decNumbers	The number of decimals

Returns:

static double Powertek.PtMath.DegToRad

(

double

value

)

[static]

Degrees to RadiansConversion.

Parameters:

value

Returns:

static float Powertek.PtMath.DegToRad

(

float

value

)

[static]

Degrees to Radians Conversion.

Parameters:

value

Returns:

static float Powertek.PtMath.InvSqrt

(

float

x

)

[static]

Fast Inverse Sqrt using Lomont Optimization (used in Quake 3) Note: The Precision is limited to around 3 decimals.

Parameters:

x

Returns:

static Byte Powertek.PtMath.Maximum	(	Byte	value1,
		Byte	value2,
		Byte	value3
	)			[static]

Maximum of 3 values.

Parameters:

	value1	value 1
	value2	value 2
	value3	value 3

Returns:

The Maximum of the input values

static double Powertek.PtMath.Maximum	(	double	value1,
		double	value2,
		double	value3
	)			[static]

Maximum of 3 values.

Parameters:

	value1	value 1
	value2	value 2
	value3	value 3

Returns:

The Maximum of the input values

static Byte Powertek.PtMath.Minimum	(	Byte	value1,
		Byte	value2,
		Byte	value3
	)			[static]

Minimum of 3 values.

Parameters:

	value1	value 1
	value2	value 2
	value3	value 3

Returns:

The Minimum of the input values

static double Powertek.PtMath.Minimum	(	double	value1,
		double	value2,
		double	value3
	)			[static]

Minimum of 3 values.

Parameters:

	value1	value 1
	value2	value 2
	value3	value 3

Returns:

The Minimum of the input values

static double Powertek.PtMath.Pow	(	double	a,
		double	b
	)			[static]

Faster Pow Note: 3x faster then Math.Pow with an avg error of 5% (2.5-25%).

Parameters:

	a
	b

Returns:

static double Powertek.PtMath.RadToDeg

(

double

value

)

[static]

Radians To Degrees Conversion.

Parameters:

value

Returns:

static float Powertek.PtMath.RadToDeg

(

float

value

)

[static]

Radians to Degrees Conversion.

Parameters:

value

Returns:

static float Powertek.PtMath.Random

(

float

maxVal

)

[static]

Random value.

Parameters:

maxVal

Returns:

static float Powertek.PtMath.RandomAround

(

float

maxVal

)

[static]

Returns a Random value within the range of maxVal around 0, random +/-, maxVal = 10f, Result will be in the range -10.0f..10.0f.

Parameters:

maxVal

Returns:

static float Powertek.PtMath.RoundDecimals	(	float	value,
		int	decNumbers
	)			[static]

Rounds a value to specific decimal count, works like the string format "0.00" but with the float values, "0.0" decNumbers = 1, "0.00" decNumbers = 2, "0.000" decNumbers = 3 etc.

Parameters:

	value	The value to process
	decNumbers	The number of decimals

Returns:

static float Powertek.PtMath.RoundToRange	(	float	value,
		float	roundToRange
	)			[static]

Rounds a value to a decimal range > round to 1.0, 0.1, 0.01.

Parameters:

	value	Input value
	roundToRange	The decimal range to round to

Returns:

static String Powertek.PtMath.SecondToTime

(

int

seconds

)

[static]

Converts int seconds into the format "min:sec".

Parameters:

seconds

Returns:

static void Powertek.PtMath.ShellSort< T >

(

List< T >

list

)

[static]

Shell Sort for List T On small lists and nearly sorted list, this is faster then the List.Sort(Quicksort).

Template Parameters:

T

List T with Members containing IComparable Interface, CompareTo()

Parameters:

list

The list to sort

Type Constraints

T

:

System.IComparable<T>

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The documentation for this struct was generated from the following file:

• pt_Math.cs