In This Package:

GiGaHash< TYPE > Class Template Reference

Hashing function to be used in a conjunction with GiGaMap and GiGaHashMap classes. More...

#include <GiGaHash.h>

List of all members.

Public Member Functions
size_t	operator() (const TYPE &key) const

---

Detailed Description

template<class TYPE>
class GiGaHash< TYPE >

Hashing function to be used in a conjunction with GiGaMap and GiGaHashMap classes.

The function is from B.Straustrup book.

The code actually is imported from LHCb Calo software.

Author:

Vanya Belyaev Ivan.Belyaev@itep.ru

Date:

27/04/2002

Definition at line 34 of file GiGaHash.h.

---

Member Function Documentation

template<class TYPE>

size_t GiGaHash< TYPE >::operator()

(

const TYPE &

key

)

const [inline]

Definition at line 36 of file GiGaHash.h.

  {
    size_t res     = 0 ;
    size_t len     = sizeof(TYPE) ;
    const  char* p = reinterpret_cast<const char*>( &key );
    while( len-- ) { res = ( res << 1 ) ^ *p++ ; }  
    return res;
  };

---

The documentation for this class was generated from the following file:

• /home/dayabay/installs/trunk_2011_04_11_opt/NuWa-trunk/lhcb/Sim/GiGa/GiGa/GiGaHash.h

---