mrftools Namespace Reference

Helper functions for single bit manipulations. More...

Functions
bool	getIntBit (const UInt_t &position, const UInt_t &value)
	Retrieves a single bit from an integer value. More...
void	setIntBit (const UInt_t &position, UInt_t &value, const bool &state)
	Sets a single bit in an integer value. More...
UInt_t	shiftBy (const int &positions, const UInt_t &value)
	Shifts the bits in an integer value. More...
unsigned int	getIteratorItemCount (const std::map< std::string, TConfItem >::const_iterator &start, const std::map< std::string, TConfItem >::const_iterator &stop)
unsigned int	getIteratorItemCount (const std::map< std::string, std::map< std::string, TConfItem >>::const_iterator &start, const std::map< std::string, std::map< std::string, TConfItem >>::const_iterator &stop)
UInt_t	grayToBin (UInt_t gray)
	Converts gray encoded values to bianry values. More...

Detailed Description

Helper functions for single bit manipulations.

Function Documentation

getIntBit()

bool mrftools::getIntBit	(	const UInt_t &	position,
		const UInt_t &	value
	)

Retrieves a single bit from an integer value.

Parameters

position	Position of bit to investigate.
value	Value whose bits are to be investigated.

Returns

True if the bit is set, False if the bit is not set.

getIteratorItemCount() [1/2]

unsigned int mrftools::getIteratorItemCount	(	const std::map< std::string, TConfItem >::const_iterator &	start,
		const std::map< std::string, TConfItem >::const_iterator &	stop
	)

getIteratorItemCount() [2/2]

unsigned int mrftools::getIteratorItemCount	(	const std::map< std::string, std::map< std::string, TConfItem >>::const_iterator &	start,
		const std::map< std::string, std::map< std::string, TConfItem >>::const_iterator &	stop
	)

grayToBin()

UInt_t mrftools::grayToBin

(

UInt_t

gray

)

Converts gray encoded values to bianry values.

Parameters

gray	Gray encoded value.

Returns

The correponding binary value.

setIntBit()

void mrftools::setIntBit	(	const UInt_t &	position,
		UInt_t &	value,
		const bool &	state
	)

Sets a single bit in an integer value.

Parameters

position	The positional index of the bit to be manipulated, 0 referring to the least significant bit.
value	The integer value whose bits are to be manipulated.
state	True sets the bit, False resets the bit.

shiftBy()

UInt_t mrftools::shiftBy	(	const int &	positions,
		const UInt_t &	value
	)

Shifts the bits in an integer value.

Parameters

positions	Number of positions to be shifted. A positive value means shift to the MSB (left), negative means shift to the LSB (right).
value	The integer value whose bits are to be shifted.

Returns

The original value shifted by the given number of positions.