FastJetSeeds Namespace Reference

Functions
uint64_t	crc64 (const std::string &str)
	Find the CRC-64 of a string.
uint64_t	crc64addint (uint64_t crc, unsigned int x)
	Extend a previously-calculated CRC to include an int.

---

Detailed Description

Provide function to properly build random seeds. Recopied from "SGTools/crc64.h" here so this can be used outside Athena.

---

Function Documentation

uint64_t FastJetSeeds::crc64

(

const std::string &

str

)

Find the CRC-64 of a string.

Parameters:

str

The string to hash.

uint64_t FastJetSeeds::crc64addint	(	uint64_t	crc,
		unsigned int	x
	)

Extend a previously-calculated CRC to include an int.

Parameters:

	crc	The previously-calculated CRC.
	x	The integer to add.

Returns:

The new CRC.