C# Class BooRunner.Tools.DigitHelper

Contains big integer uint[] digits utilitary methods.

Show file Open project: juanplopes/euler

Public Methods

Method	Description
DigitsBlockCopy ( uint blockFrom, uint blockTo, uint count ) : void	Copies digits from one block to another.
GetMinMaxLengthObjects ( BigInteger int1, BigInteger int2, BigInteger &smallerInt, BigInteger &biggerInt ) : void	Determines BigInteger object with lower length.
GetRealDigitsLength ( uint digits, uint length ) : uint	Returns real length of digits array (excluding leading zeroes).
SetBlockDigits ( double block, uint blockLength, double value ) : void	Sets digits in given block to given value.
SetBlockDigits ( uint block, uint blockLength, uint value ) : void	Sets digits in given block to given value.
ToUInt32WithSign ( int value, uint &resultValue, bool &negative ) : void	Converts int value to uint digit and value sign.
ToUInt64WithSign ( long value, ulong &resultValue, bool &negative ) : void	Converts long value to ulong digit and value sign.

Copies digits from one block to another.

public static DigitsBlockCopy ( uint blockFrom, uint blockTo, uint count ) : void
blockFrom	uint	From block start pointer.
blockTo	uint	To block start pointer.
count	uint	Count of dwords to copy.
return	void

Determines BigInteger object with lower length.

public static GetMinMaxLengthObjects ( BigInteger int1, BigInteger int2, BigInteger &smallerInt, BigInteger &biggerInt ) : void
int1	BigInteger	First big integer.
int2	BigInteger	Second big integer.
smallerInt	BigInteger	Resulting smaller big integer (by length only).
biggerInt	BigInteger	Resulting bigger big integer (by length only).
return	void

Returns real length of digits array (excluding leading zeroes).

public static GetRealDigitsLength ( uint digits, uint length ) : uint
digits	uint	Big ingeter digits.
length	uint	Initial big integers length.
return	uint

Sets digits in given block to given value.

public static SetBlockDigits ( double block, uint blockLength, double value ) : void
block	double	Block start pointer.
blockLength	uint	Block length.
value	double	Value to set.
return	void

Sets digits in given block to given value.

public static SetBlockDigits ( uint block, uint blockLength, uint value ) : void
block	uint	Block start pointer.
blockLength	uint	Block length.
value	uint	Value to set.
return	void

Converts int value to uint digit and value sign.

public static ToUInt32WithSign ( int value, uint &resultValue, bool &negative ) : void
value	int	Initial value.
resultValue	uint	Resulting unsigned part.
negative	bool	Resulting sign.
return	void

Converts long value to ulong digit and value sign.

public static ToUInt64WithSign ( long value, ulong &resultValue, bool &negative ) : void
value	long	Initial value.
resultValue	ulong	Resulting unsigned part.
negative	bool	Resulting sign.
return	void