C# Class OctoTorrent.Dht.BigInteger.Kernel

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Public Methods

Method	Description
AddSameSign ( BigInteger bi1, BigInteger bi2 ) : BigInteger	Adds two numbers with the same sign.
Compare ( BigInteger bi1, BigInteger bi2 ) : Sign	Compares two BigInteger
DwordDiv ( BigInteger n, uint d ) : BigInteger
DwordDivMod ( BigInteger n, uint d ) : OctoTorrent.Dht.BigInteger[]
DwordMod ( BigInteger n, uint d ) : uint
LeftShift ( BigInteger bi, int n ) : BigInteger
MinusEq ( BigInteger big, BigInteger small ) : void
MultiByteDivide ( BigInteger bi1, BigInteger bi2 ) : OctoTorrent.Dht.BigInteger[]
Multiply ( uint x, uint xOffset, uint xLen, uint y, uint yOffset, uint yLen, uint d, uint dOffset ) : void	Multiplies the data in x [xOffset:xOffset+xLen] by y [yOffset:yOffset+yLen] and puts it into d [dOffset:dOffset+xLen+yLen]. This code is unsafe! It is the caller's responsibility to make sure that it is safe to access x [xOffset:xOffset+xLen], y [yOffset:yOffset+yLen], and d [dOffset:dOffset+xLen+yLen].
MultiplyByDword ( BigInteger n, uint f ) : BigInteger
MultiplyMod2p32pmod ( uint x, int xOffset, int xLen, uint y, int yOffest, int yLen, uint d, int dOffset, int mod ) : void	Multiplies the data in x [xOffset:xOffset+xLen] by y [yOffset:yOffset+yLen] and puts the low mod words into d [dOffset:dOffset+mod]. This code is unsafe! It is the caller's responsibility to make sure that it is safe to access x [xOffset:xOffset+xLen], y [yOffset:yOffset+yLen], and d [dOffset:dOffset+mod].
PlusEq ( BigInteger bi1, BigInteger bi2 ) : void
RightShift ( BigInteger bi, int n ) : BigInteger
SingleByteDivideInPlace ( BigInteger n, uint d ) : uint	Performs n / d and n % d in one operation.
Subtract ( BigInteger big, BigInteger small ) : BigInteger
gcd ( BigInteger a, BigInteger b ) : BigInteger
modInverse ( BigInteger bi, BigInteger modulus ) : BigInteger

Method Details

AddSameSign() public static method

Adds two numbers with the same sign.

public static AddSameSign ( BigInteger bi1, BigInteger bi2 ) : BigInteger
bi1	BigInteger	A BigInteger
bi2	BigInteger	A BigInteger
return	BigInteger

Compare() public static method

Compares two BigInteger

public static Compare ( BigInteger bi1, BigInteger bi2 ) : Sign
bi1	BigInteger	A BigInteger
bi2	BigInteger	A BigInteger
return	Sign

DwordDiv() public static method

public static DwordDiv ( BigInteger n, uint d ) : BigInteger
n	BigInteger
d	uint
return	BigInteger

DwordDivMod() public static method

public static DwordDivMod ( BigInteger n, uint d ) : OctoTorrent.Dht.BigInteger[]
n	BigInteger
d	uint
return	OctoTorrent.Dht.BigInteger[]

DwordMod() public static method

public static DwordMod ( BigInteger n, uint d ) : uint
n	BigInteger
d	uint
return	uint

LeftShift() public static method

public static LeftShift ( BigInteger bi, int n ) : BigInteger
bi	BigInteger
n	int
return	BigInteger

MinusEq() public static method

public static MinusEq ( BigInteger big, BigInteger small ) : void
big	BigInteger
small	BigInteger
return	void

MultiByteDivide() public static method

public static MultiByteDivide ( BigInteger bi1, BigInteger bi2 ) : OctoTorrent.Dht.BigInteger[]
bi1	BigInteger
bi2	BigInteger
return	OctoTorrent.Dht.BigInteger[]

Multiply() public static method

Multiplies the data in x [xOffset:xOffset+xLen] by y [yOffset:yOffset+yLen] and puts it into d [dOffset:dOffset+xLen+yLen].

This code is unsafe! It is the caller's responsibility to make sure that it is safe to access x [xOffset:xOffset+xLen], y [yOffset:yOffset+yLen], and d [dOffset:dOffset+xLen+yLen].

public static Multiply ( uint x, uint xOffset, uint xLen, uint y, uint yOffset, uint yLen, uint d, uint dOffset ) : void
x	uint
xOffset	uint
xLen	uint
y	uint
yOffset	uint
yLen	uint
d	uint
dOffset	uint
return	void

MultiplyByDword() public static method

public static MultiplyByDword ( BigInteger n, uint f ) : BigInteger
n	BigInteger
f	uint
return	BigInteger

MultiplyMod2p32pmod() public static method

Multiplies the data in x [xOffset:xOffset+xLen] by y [yOffset:yOffset+yLen] and puts the low mod words into d [dOffset:dOffset+mod].

This code is unsafe! It is the caller's responsibility to make sure that it is safe to access x [xOffset:xOffset+xLen], y [yOffset:yOffset+yLen], and d [dOffset:dOffset+mod].

public static MultiplyMod2p32pmod ( uint x, int xOffset, int xLen, uint y, int yOffest, int yLen, uint d, int dOffset, int mod ) : void
x	uint
xOffset	int
xLen	int
y	uint
yOffest	int
yLen	int
d	uint
dOffset	int
mod	int
return	void

PlusEq() public static method

public static PlusEq ( BigInteger bi1, BigInteger bi2 ) : void
bi1	BigInteger
bi2	BigInteger
return	void

RightShift() public static method

public static RightShift ( BigInteger bi, int n ) : BigInteger
bi	BigInteger
n	int
return	BigInteger

SingleByteDivideInPlace() public static method

Performs n / d and n % d in one operation.

public static SingleByteDivideInPlace ( BigInteger n, uint d ) : uint
n	BigInteger	A BigInteger, upon exit this will hold n / d
d	uint	The divisor
return	uint

Subtract() public static method

public static Subtract ( BigInteger big, BigInteger small ) : BigInteger
big	BigInteger
small	BigInteger
return	BigInteger

gcd() public static method

public static gcd ( BigInteger a, BigInteger b ) : BigInteger
a	BigInteger
b	BigInteger
return	BigInteger

modInverse() public static method

public static modInverse ( BigInteger bi, BigInteger modulus ) : BigInteger
bi	BigInteger
modulus	BigInteger
return	BigInteger