TileTTL1Hash Class Reference

Hash table for TileTTL1 identifiers. More...

#include <TileTTL1Hash.h>

Collaboration diagram for TileTTL1Hash:

Public Types
typedef int	ID

Public Member Functions
	TileTTL1Hash ()
virtual	~TileTTL1Hash ()
void	initialize (const CaloLVL1_ID *caloLVL1_ID)
int	operator() (const ID &id) const
	Convert ID to int.
ID	identifier (int i) const
	reverse conversion
int	max () const
	return maximum number of IDs

Private Attributes
int	m_size
	total number of IDs
int	m_lookup [m_table_size]
std::vector< ID >	m_int2id

Static Private Attributes
static const int	m_table_size = 7000
	lookup table

Detailed Description

Hash table for TileTTL1 identifiers.

Author

Jose Maneira

Hash table Identifier builds a table of tower identifiers 1920 in total for ATLAS

Definition at line 38 of file TileTTL1Hash.h.

Member Typedef Documentation

ID

typedef int TileTTL1Hash::ID

Definition at line 42 of file TileTTL1Hash.h.

Constructor & Destructor Documentation

TileTTL1Hash()

TileTTL1Hash::TileTTL1Hash

(

)

Definition at line 31 of file TileTTL1Hash.cxx.

  : m_size(0),
    m_lookup()
{
}

~TileTTL1Hash()

virtual TileTTL1Hash::~TileTTL1Hash ( )

inlinevirtual

Definition at line 44 of file TileTTL1Hash.h.

{ };

Member Function Documentation

identifier()

TileTTL1Hash::ID TileTTL1Hash::identifier

(

int

i

)

const

reverse conversion

Definition at line 64 of file TileTTL1Hash.cxx.

{
  assert(index>=0 && index < m_size);
 
  return m_int2id[index];
}

initialize()

void TileTTL1Hash::initialize

(

const CaloLVL1_ID *

caloLVL1_ID

)

iterator over all drawer Identifiers

Definition at line 37 of file TileTTL1Hash.cxx.

{
  std::cout << "Initialization started" << std::endl;
 
  m_size = 0;
  for(int i = 0; i< m_table_size; ++i) { m_lookup[i]=-1; }

  std::vector<Identifier>::const_iterator first = caloLVL1_ID->tower_begin();
  std::vector<Identifier>::const_iterator  last = caloLVL1_ID->tower_end();
 
   int maxid = 0;
   for ( ; first!=last; ++first) {
      if(caloLVL1_ID->is_tile(*first)){
           ID id = caloLVL1_ID->tower_hash(*first);
           if (id > maxid) maxid = id;
           assert(id>=0 && id < m_table_size);
           m_int2id.push_back(id); 
           m_lookup[id] = (m_size++);
       } 
    }
  std::cout << " Number of valid tower IDs  "<< m_size << std::endl;
  std::cout << " Highest tower ID  "<< maxid  << std::endl;
 
  
}

max()

int TileTTL1Hash::max ( ) const

inline

return maximum number of IDs

Definition at line 55 of file TileTTL1Hash.h.

{return m_size;}

operator()()

int TileTTL1Hash::operator()

(

const ID &

id

)

const

Convert ID to int.

Definition at line 71 of file TileTTL1Hash.cxx.

{
  assert(id>=0 && id < m_table_size);
 
  return m_lookup[id]; 
}

Member Data Documentation

m_int2id

std::vector<ID> TileTTL1Hash::m_int2id

private

Definition at line 66 of file TileTTL1Hash.h.

m_lookup

int TileTTL1Hash::m_lookup[m_table_size]

private

Definition at line 64 of file TileTTL1Hash.h.

m_size

int TileTTL1Hash::m_size

private

total number of IDs

Definition at line 60 of file TileTTL1Hash.h.

m_table_size

const int TileTTL1Hash::m_table_size = 7000

staticprivate

lookup table

Definition at line 63 of file TileTTL1Hash.h.

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

• TileTTL1Hash.h
• TileTTL1Hash.cxx