C# Class Sharith.MathUtils.XMath

ファイルを表示 Open project: PeterLuschny/Fast-Factorial-Functions Class Usage Examples

Public Methods

Method	Description
AsymptFactorial ( double x ) : double
AsymptFactorial ( int x ) : string
AsymptSwingingFactorial ( double x ) : double
BitCount ( int w ) : int	Bit count
BitLength ( byte b ) : int
BitLength ( int w ) : int	Calculates the bit length of an integer.
CeilLog2 ( int n ) : int	Ceiling of the binary logarithm.
ClearOpCounter ( ) : void
ExactDecimalDigitsPerMillisecond ( int n, long ms ) : long
Exp ( double x ) : string
Factorial ( int n ) : Sharith.Arithmetic.XInt
FloorLog2 ( int n ) : int	Floor of the binary logarithm.
FloorSqrt ( int n ) : int	Floor of the square root.
GetOpCounts ( ) : long[]
Log2 ( double value ) : double	Logarithm to base 10. Logarithm to base 2.
OmegaSwingHighBound ( int n ) : int
PiHighBound ( long n ) : int	High bound for number of primes not exeeding n.
Product ( Sharith.Arithmetic.XInt a ) : Sharith.Arithmetic.XInt
Product ( Sharith.Arithmetic.XInt a, int start, int len ) : Sharith.Arithmetic.XInt
Product ( int a ) : Sharith.Arithmetic.XInt
Product ( int a, int start, int length ) : Sharith.Arithmetic.XInt
Product ( int a, int start, int length, int increment ) : Sharith.Arithmetic.XInt
Product ( long a ) : Sharith.Arithmetic.XInt
Product ( long a, int len ) : Sharith.Arithmetic.XInt
RecProduct ( long s, int n, int m ) : Sharith.Arithmetic.XInt
Sqrt ( int n ) : int	Berechnung der groessten Zahl, deren Quadrat n nicht uebersteigt.

Private Methods

Method	Description
BigRecProduct ( Sharith.Arithmetic.XInt s, int n, int m ) : Sharith.Arithmetic.XInt

Method Details

AsymptFactorial() public static method

public static AsymptFactorial ( double x ) : double
x	double
return	double

AsymptFactorial() public static method

public static AsymptFactorial ( int x ) : string
x	int
return	string

AsymptSwingingFactorial() public static method

public static AsymptSwingingFactorial ( double x ) : double
x	double
return	double

BitCount() public static method

Bit count

public static BitCount ( int w ) : int
w	int
return	int

BitLength() public static method

public static BitLength ( byte b ) : int
b	byte
return	int

BitLength() public static method

Calculates the bit length of an integer.

public static BitLength ( int w ) : int
w	int
return	int

CeilLog2() public static method

Ceiling of the binary logarithm.

public static CeilLog2 ( int n ) : int
n	int
return	int

ClearOpCounter() public static method

public static ClearOpCounter ( ) : void
return	void

ExactDecimalDigitsPerMillisecond() public static method

public static ExactDecimalDigitsPerMillisecond ( int n, long ms ) : long
n	int
ms	long
return	long

Exp() public static method

public static Exp ( double x ) : string
x	double
return	string

Factorial() public static method

public static Factorial ( int n ) : Sharith.Arithmetic.XInt
n	int
return	Sharith.Arithmetic.XInt

FloorLog2() public static method

Floor of the binary logarithm.

public static FloorLog2 ( int n ) : int
n	int
return	int

FloorSqrt() public static method

Floor of the square root.

public static FloorSqrt ( int n ) : int
n	int
return	int

GetOpCounts() public static method

public static GetOpCounts ( ) : long[]
return	long[]

Log2() public static method

Logarithm to base 10. Logarithm to base 2.

public static Log2 ( double value ) : double
value	double
return	double

OmegaSwingHighBound() public static method

public static OmegaSwingHighBound ( int n ) : int
n	int
return	int

PiHighBound() public static method

High bound for number of primes not exeeding n.

public static PiHighBound ( long n ) : int
n	long
return	int

Product() public static method

public static Product ( Sharith.Arithmetic.XInt a ) : Sharith.Arithmetic.XInt
a	Sharith.Arithmetic.XInt
return	Sharith.Arithmetic.XInt

Product() public static method

public static Product ( Sharith.Arithmetic.XInt a, int start, int len ) : Sharith.Arithmetic.XInt
a	Sharith.Arithmetic.XInt
start	int
len	int
return	Sharith.Arithmetic.XInt

Product() public static method

public static Product ( int a ) : Sharith.Arithmetic.XInt
a	int
return	Sharith.Arithmetic.XInt

Product() public static method

public static Product ( int a, int start, int length ) : Sharith.Arithmetic.XInt
a	int
start	int
length	int
return	Sharith.Arithmetic.XInt

Product() public static method

public static Product ( int a, int start, int length, int increment ) : Sharith.Arithmetic.XInt
a	int
start	int
length	int
increment	int
return	Sharith.Arithmetic.XInt

Product() public static method

public static Product ( long a ) : Sharith.Arithmetic.XInt
a	long
return	Sharith.Arithmetic.XInt

Product() public static method

public static Product ( long a, int len ) : Sharith.Arithmetic.XInt
a	long
len	int
return	Sharith.Arithmetic.XInt

RecProduct() public static method

public static RecProduct ( long s, int n, int m ) : Sharith.Arithmetic.XInt
s	long
n	int
m	int
return	Sharith.Arithmetic.XInt

Sqrt() public static method

Berechnung der groessten Zahl, deren Quadrat n nicht uebersteigt.

public static Sqrt ( int n ) : int
n	int
return	int