PhiMemoryImage Class Reference

#include <PhiMemoryImage.h>

Public Types
typedef PhiMemoryImage::value_type *	value_ptr
typedef unsigned long int	value_type

Public Member Functions
void	BitShift (int nBits)
void	CopyFromBuffer (PhiMemoryImage::value_ptr rhs, int offset)
	functions/// More...
bool	GetBit (int station, int bitNumber) const
PhiMemoryImage::value_type &	operator[] (int index)
	PhiMemoryImage ()
	constructors/// More...
	PhiMemoryImage (PhiMemoryImage::value_ptr buffer, int offset)
	PhiMemoryImage (value_type s1a, value_type s1b, value_type s1c, value_type s2a, value_type s2b, value_type s2c, value_type s3a, value_type s3b, value_type s3c, value_type s4a, value_type s4b, value_type s4c)
void	Print ()
void	printbuff ()
void	SetBit (int station, int bitNumber, bool value=true)
void	SetBuff (int chunk, int value)

Static Public Attributes
static const int	STATIONS = 4
static const int	TOTAL_UNITS = UNITS * STATIONS
static const int	UNITS = 3

Private Attributes
PhiMemoryImage::value_type	_buffer [PhiMemoryImage::TOTAL_UNITS]
int	_keyStationOffset

Detailed Description

Definition at line 4 of file PhiMemoryImage.h.

Member Typedef Documentation

typedef PhiMemoryImage::value_type* PhiMemoryImage::value_ptr

Definition at line 9 of file PhiMemoryImage.h.

typedef unsigned long int PhiMemoryImage::value_type

Definition at line 8 of file PhiMemoryImage.h.

Constructor & Destructor Documentation

PhiMemoryImage::PhiMemoryImage

(

)

constructors///

Definition at line 4 of file PhiMemoryImage.cc.

References _buffer, mps_fire::i, and TOTAL_UNITS.

                              :_keyStationOffset(0){
  for (int i = 0; i < PhiMemoryImage::TOTAL_UNITS; i++) _buffer[i] = 0;
}

PhiMemoryImage::PhiMemoryImage	(	PhiMemoryImage::value_ptr	buffer,
		int	offset
	)

Definition at line 8 of file PhiMemoryImage.cc.

References CopyFromBuffer().

                                                                        :_keyStationOffset(offset){
  
  CopyFromBuffer( buffer, offset );
  
}

PhiMemoryImage::PhiMemoryImage ( value_type  s1a, value_type  s1b, value_type  s1c, value_type  s2a, value_type  s2b, value_type  s2c, value_type  s3a, value_type  s3b, value_type  s3c, value_type  s4a, value_type  s4b, value_type  s4c  )

inline

Definition at line 20 of file PhiMemoryImage.h.

References _buffer, BitShift(), CopyFromBuffer(), GetBit(), PFRecoTauDiscriminationByIsolation_cfi::offset, Print(), SetBit(), and relativeConstraints::station.

                                                        {
    _buffer[0] = s1a;_buffer[1] = s1b;_buffer[2] = s1c;
    _buffer[3] = s2a;_buffer[4] = s2b;_buffer[5] = s2c;
    _buffer[6] = s3a;_buffer[7] = s3b;_buffer[8] = s3c;
    _buffer[9] = s4a;_buffer[10] = s4b;_buffer[11] = s4c;
  }

Member Function Documentation

void PhiMemoryImage::BitShift

(

int

nBits

)

Definition at line 103 of file PhiMemoryImage.cc.

References _buffer, mps_fire::i, and STATIONS.

Referenced by DetectPatterns(), and PhiMemoryImage().

                                      {
  
  if (nBits == 0) return;
  
  bool negShift = (nBits < 0);
  
  if (negShift) nBits = -nBits;
  
  PhiMemoryImage::value_type transferBits, transferBits2;
  int value_size = sizeof(transferBits)*8;//should be hardcoded total units?
  
  //std::cout<<"value_size = "<<value_size<<"\n";
  
  for (int i = 0; i < PhiMemoryImage::STATIONS; i++){
    
    if (negShift){

      transferBits = (0x1 << nBits) - 1;
      transferBits &= _buffer[3*i+1];
      
      transferBits2 = (0x1 << nBits) - 1;
      transferBits2 &= _buffer[3*i+2];
      
      _buffer[3*i+2] >>= nBits;
      _buffer[3*i+1] >>= nBits;
      _buffer[3*i]   >>= nBits;
      
      transferBits <<= (value_size - nBits);
      transferBits2 <<= (value_size - nBits);
      
      _buffer[3*i] |= transferBits;
      _buffer[3*i+1] |= transferBits2;
      
    } else {
      
      transferBits = (0x1 << nBits) - 1;
      transferBits <<= (value_size - nBits);
      
      transferBits2 = (0x1 << nBits) - 1;
      transferBits2 <<= (value_size - nBits);
      
      // if(!i){
      
      //    std::cout<<"tb = "<<transferBits<<"\n";
      //std::cout<<"tb2 = "<<transferBits2<<"\n";
      
      //    std::cout<<"buf+0 = "<<_buffer[3*i]<<"\n";
      //    std::cout<<"buf+1 = "<<_buffer[3*i+1]<<"\n";
      //    std::cout<<"buf+2 = "<<_buffer[3*i+2]<<"\n";
      // }
      
      transferBits &= _buffer[3*i];
      transferBits >>= (value_size - nBits);
      
      transferBits2 &= _buffer[3*i+1];
      transferBits2 >>= (value_size - nBits);
      
      //if(!i){
      //    std::cout<<"tb = "<<transferBits<<"\n";
      //    std::cout<<"tb2 = "<<transferBits2<<"\n";
      // }
      _buffer[3*i] <<= nBits;
      _buffer[3*i+1] <<= nBits;
      _buffer[3*i+2] <<= nBits;
      
      // if(!i){
      //    std::cout<<"buf+0 = "<<_buffer[3*i]<<"\n";
      //    std::cout<<"buf+1 = "<<_buffer[3*i+1]<<"\n";
      //    std::cout<<"buf+2 = "<<_buffer[3*i+2]<<"\n";
      // }
      
      _buffer[3*i+1] |= transferBits;
      _buffer[3*i+2] |= transferBits2;
      
      // if(!i){
      
      //    std::cout<<"tb = "<<transferBits<<"\n";
      //    std::cout<<"tb2 = "<<transferBits2<<"\n";
      //  
      //    std::cout<<"buf+0 = "<<_buffer[3*i]<<"\n";
      //    std::cout<<"buf+1 = "<<_buffer[3*i+1]<<"\n";
      //    std::cout<<"buf+2 = "<<_buffer[3*i+2]<<"\n";
      //}
    }
  }
  
}

void PhiMemoryImage::CopyFromBuffer	(	PhiMemoryImage::value_ptr	rhs,
		int	offset
	)

functions///

Definition at line 14 of file PhiMemoryImage.cc.

References _buffer, _keyStationOffset, mps_fire::i, PFRecoTauDiscriminationByIsolation_cfi::offset, and TOTAL_UNITS.

Referenced by PhiMemoryImage().

                                                                          {
  
  _keyStationOffset = offset;
  
  for (int i = 0; i < PhiMemoryImage::TOTAL_UNITS; i++){
    _buffer[i] = rhs[i];
    
  }
  
}

bool PhiMemoryImage::GetBit	(	int	station,
		int	bitNumber
	)		const

changed this

Definition at line 75 of file PhiMemoryImage.cc.

References _buffer, findQualityFiles::size, tmp, TOTAL_UNITS, and UNITS.

Referenced by PhiMemoryImage(), and Print().

                                                             {
  
  PhiMemoryImage::value_type tmp = 1;
  int size = sizeof (PhiMemoryImage::value_type) * 8;// should be hardcoded total units?
  
  if (bitNumber > (size * PhiMemoryImage::TOTAL_UNITS)){
    // complain in some way .. to be implemented..
    return false;
  }
  
  bitNumber -= 1;
  station -=1;
  
  int chunkNumber = station*PhiMemoryImage::UNITS + ((bitNumber-1) / size);
  int bitOffset   = bitNumber % size;
  if(bitNumber == 64 || bitNumber == 128){chunkNumber += 1;}
  
  tmp <<= bitOffset;
  
  // std::cout << "chunkNumber: " << chunkNumber << "bitOffset:" 
  //            << bitOffset << "tmp: " << tmp << std::endl;
  //std::cout<<"buffer["<<chunkNumber<<"] = "<<_buffer[chunkNumber]<<std::endl;
  // std::cout<<"buffer["<<chunkNumber + 1<<"] = "<<_buffer[chunkNumber+1]<<std::endl;
  
  return ((_buffer[chunkNumber] & tmp) != 0);
  
}

PhiMemoryImage::value_type& PhiMemoryImage::operator[] ( int  index )

inline

Definition at line 46 of file PhiMemoryImage.h.

References _buffer, and diffTreeTool::index.

  {return _buffer[index];}

void PhiMemoryImage::Print

(

void

)

Definition at line 191 of file PhiMemoryImage.cc.

References gather_cfg::cout, GetBit(), mps_fire::i, findQualityFiles::size, STATIONS, and UNITS.

Referenced by PhiMemoryImage().

                          {

  int size = PhiMemoryImage::UNITS * sizeof(PhiMemoryImage::value_type)*8;//should be hardcoded total units>?
  
  for (int i = 1; i <= PhiMemoryImage::STATIONS; i++){
    
    //    std::cout << _buffer[(i-1)*2] << " " << _buffer [(i-1)*2+1] << std::endl;
    
    for (int j = size; j > 0; j--){
      
      if ((j%(sizeof(PhiMemoryImage::value_type)*8)) == 0)//should be hardcoded total units>?  ->no
    std::cout << std::endl;
      
      
      if ((j%8)==0) std::cout << " ";
      if(GetBit(i,j)) std::cout << "1";
      else std::cout << "0";
      
    }
    std::cout << std::endl;
  }
  
}

void PhiMemoryImage::printbuff

(

)

Definition at line 215 of file PhiMemoryImage.cc.

References _buffer, gather_cfg::cout, mps_fire::i, and TOTAL_UNITS.

Referenced by SetBuff().

                              {
  
  for(int i=0;i<PhiMemoryImage::TOTAL_UNITS;i++){
    std::cout<<"buffer["<<i<<"] = "<<_buffer[i]<<std::endl;
  }
  std::cout<<std::endl;
}

void PhiMemoryImage::SetBit	(	int	station,
		int	bitNumber,
		bool	value = true
	)

Definition at line 31 of file PhiMemoryImage.cc.

References _buffer, gather_cfg::cout, findQualityFiles::size, tmp, TOTAL_UNITS, and UNITS.

Referenced by PhiMemoryImage().

                                                                      {
  
  //std::cout<<"bitnumber = "<<bitNumber<<std::endl;
  //  std::cout<<"station = "<<station<<std::endl;
  
  PhiMemoryImage::value_type tmp = 1;//64 bit word
  int size = sizeof (PhiMemoryImage::value_type) * 8;//64  // <- should be hard coded total units?
  
  if (bitNumber > size * PhiMemoryImage::TOTAL_UNITS){
    // complain in some way .. to be implemented..
    
    std::cout<<"bit number is greater than total size. Don't do that!\n";
    return;
  }
  
  station = station-1;
  bitNumber = bitNumber-1;
  
  // std::cout<<"bitnumber = "<<bitNumber<<std::endl;
  // std::cout<<"station = "<<station<<std::endl;
  
  int chunkNumber = station*PhiMemoryImage::UNITS + (bitNumber-1) / size;
  int bitOffset   = bitNumber % size;
  if(bitNumber == 64 || bitNumber == 128){chunkNumber += 1;}
  
  // std::cout<<"chunknumber = "<<chunkNumber<<std::endl;
  // std::cout<<"bitOffset = "<<bitOffset<<std::endl;
  
  //std::cout<<"tmp = "<<tmp<<std::endl;
  tmp = tmp << bitOffset;//
  //std::cout<<"tmp = "<<tmp<<std::endl;
  
  if (bitValue)
    _buffer[chunkNumber] |= tmp;
  else{
    tmp = ~tmp;
    _buffer[chunkNumber] &= tmp;
  }
  
  //std::cout<<"buffer["<<chunkNumber<<"] = "<<_buffer[chunkNumber]<<std::endl;
  //std::cout<<"buffer["<<chunkNumber + 1<<"] = "<<_buffer[chunkNumber+1]<<std::endl;
  
}

void PhiMemoryImage::SetBuff ( int  chunk, int  value  )

inline

Definition at line 39 of file PhiMemoryImage.h.

References _buffer, printbuff(), and relativeConstraints::value.

{_buffer[chunk] = value;}

Member Data Documentation

PhiMemoryImage::value_type PhiMemoryImage::_buffer[PhiMemoryImage::TOTAL_UNITS]

private

Definition at line 52 of file PhiMemoryImage.h.

Referenced by python.cmstools.EventBranch::__call__(), BitShift(), CopyFromBuffer(), GetBit(), operator[](), PhiMemoryImage(), printbuff(), SetBit(), and SetBuff().

int PhiMemoryImage::_keyStationOffset

private

Definition at line 53 of file PhiMemoryImage.h.

Referenced by CopyFromBuffer().

const int PhiMemoryImage::STATIONS = 4

static

Definition at line 11 of file PhiMemoryImage.h.

Referenced by BitShift(), and Print().

const int PhiMemoryImage::TOTAL_UNITS = UNITS * STATIONS

static

Definition at line 13 of file PhiMemoryImage.h.

Referenced by CopyFromBuffer(), GetBit(), PhiMemoryImage(), printbuff(), and SetBit().

const int PhiMemoryImage::UNITS = 3

static

Definition at line 12 of file PhiMemoryImage.h.

Referenced by GetBit(), Print(), and SetBit().