CSCLUTReader Class Reference

#include <CSCLUTReader.h>

Public Types
enum	ReadCodes {   SUCCESS = 0, NO_ENTRIES = 1, DUP_ENTRIES = 2, MISS_ENTRIES = 3,   MAX_ADDRESS_OUTOFRANGE = 4, NO_HEADER = 5 }

Public Member Functions
unsigned	checkedInput (unsigned in, unsigned maxWidth) const
	CSCLUTReader (const std::string &)
float	data (unsigned int address) const
bool	empty () const
void	initialize ()
int	load (const std::string &inFileName)
float	lookup (int code) const
float	lookupPacked (const int input) const
unsigned int	maxSize () const
unsigned int	nrBitsAddress () const
unsigned int	nrBitsData () const
int	read (std::istream &stream)
void	save (std::ofstream &output)
void	write (std::ostream &stream) const
	~CSCLUTReader ()

Private Member Functions
int	readHeader (std::istream &)

Private Attributes
unsigned int	addressMask_
std::vector< float >	data_
unsigned int	dataMask_
std::string	fname_
int	m_codeInWidth
bool	m_initialized
unsigned	m_outWidth
unsigned int	nrBitsAddress_
unsigned int	nrBitsData_

Detailed Description

Definition at line 14 of file CSCLUTReader.h.

Member Enumeration Documentation

ReadCodes

enum CSCLUTReader::ReadCodes

Enumerator
SUCCESS
NO_ENTRIES
DUP_ENTRIES
MISS_ENTRIES
MAX_ADDRESS_OUTOFRANGE
NO_HEADER

Definition at line 16 of file CSCLUTReader.h.

                 {
    SUCCESS = 0,
    NO_ENTRIES = 1,
    DUP_ENTRIES = 2,
    MISS_ENTRIES = 3,
    MAX_ADDRESS_OUTOFRANGE = 4,
    NO_HEADER = 5
  };

Constructor & Destructor Documentation

CSCLUTReader()

CSCLUTReader::CSCLUTReader ( const std::string &  fname )

explicit

Definition at line 5 of file CSCLUTReader.cc.

    : fname_(fname),
      nrBitsAddress_(0),
      nrBitsData_(0),
      addressMask_(0),
      dataMask_(0),
      data_(),
      m_codeInWidth(12),
      m_outWidth(32) {
  if (fname != std::string("")) {
    load(fname);
  } else {
    initialize();
  }
}

References alignmentValidation::fname, initialize(), load(), and AlCaHLTBitMon_QueryRunRegistry::string.

~CSCLUTReader()

CSCLUTReader::~CSCLUTReader ( )

inline

Definition at line 27 of file CSCLUTReader.h.

{}

Member Function Documentation

checkedInput()

unsigned CSCLUTReader::checkedInput	(	unsigned	in,
		unsigned	maxWidth
	)		const

Definition at line 74 of file CSCLUTReader.cc.

                                                                        {
  unsigned maxIn = (1 << maxWidth) - 1;
  return (in < maxIn ? in : maxIn);
}

References recoMuon::in, and SiStripMonitorCluster_cfi::maxWidth.

data()

float CSCLUTReader::data

(

unsigned int

address

)

const

Definition at line 24 of file CSCLUTReader.cc.

                                                   {
  return (address & addressMask_) < data_.size() ? data_[address] : 0;
}

References addressMask_, and data_.

Referenced by lookupPacked(), and write().

empty()

bool CSCLUTReader::empty ( void  ) const

inline

Definition at line 49 of file CSCLUTReader.h.

{ return data_.empty(); }

References data_.

Referenced by initialize().

initialize()

void CSCLUTReader::initialize

(

void

)

Definition at line 61 of file CSCLUTReader.cc.

                              {
  if (empty()) {
    std::stringstream stream;
    stream << "#<header> V1 " << m_codeInWidth << " " << m_outWidth << " </header> " << std::endl;
    for (int in = 0; in < (1 << m_codeInWidth); ++in) {
      int out = lookup(in);
      stream << in << " " << out << std::endl;
    }
    read(stream);
  }
  m_initialized = true;
}

References empty(), recoMuon::in, lookup(), m_codeInWidth, m_initialized, m_outWidth, MillePedeFileConverter_cfg::out, read(), and cms::cuda::stream.

Referenced by CSCLUTReader().

load()

int CSCLUTReader::load

(

const std::string &

inFileName

)

Definition at line 28 of file CSCLUTReader.cc.

                                                  {
  std::ifstream fstream;
  fstream.open(edm::FileInPath(inFileName.c_str()).fullPath());
  if (!fstream.good()) {
    fstream.close();
    edm::LogError("CSCLUTReader") << "Failed to open LUT file: " << inFileName;
  }
  int readCode = read(fstream);
 
  m_initialized = true;
  fstream.close();
 
  return readCode;
}

References contentValuesFiles::fullPath, m_initialized, and read().

Referenced by CSCLUTReader().

lookup()

float CSCLUTReader::lookup

(

int

code

)

const

Definition at line 43 of file CSCLUTReader.cc.

                                         {
  if (m_initialized) {
    return lookupPacked(code);
  } else {
    edm::LogError("CSCLUTReader") << "LUT not initialized. " << fname_;
    return 0;
  }
}

References fname_, lookupPacked(), and m_initialized.

Referenced by initialize().

lookupPacked()

float CSCLUTReader::lookupPacked

(

const int

input

)

const

Definition at line 52 of file CSCLUTReader.cc.

                                                      {
  if (m_initialized) {
    return data((unsigned int)input);
  } else {
    edm::LogError("CSCLUTReader") << "If you're not loading a LUT from file you need to implement lookupPacked.";
    return 0;
  }
}

References data(), input, and m_initialized.

Referenced by lookup().

maxSize()

unsigned int CSCLUTReader::maxSize

(

)

const

Definition at line 142 of file CSCLUTReader.cc.

                                         {
  return addressMask_ == std::numeric_limits<unsigned int>::max() ? addressMask_ : addressMask_ + 1;
}

References addressMask_, and SiStripPI::max.

nrBitsAddress()

unsigned int CSCLUTReader::nrBitsAddress ( ) const

inline

Definition at line 45 of file CSCLUTReader.h.

{ return nrBitsAddress_; }

References nrBitsAddress_.

nrBitsData()

unsigned int CSCLUTReader::nrBitsData ( ) const

inline

Definition at line 46 of file CSCLUTReader.h.

{ return nrBitsData_; }

References nrBitsData_.

read()

int CSCLUTReader::read

(

std::istream &

stream

)

Definition at line 79 of file CSCLUTReader.cc.

                                         {
  data_.clear();
 
  int readHeaderCode = readHeader(stream);
  if (readHeaderCode != SUCCESS) {
    edm::LogError("CSCLUTReader") << "Failed to read header code. " << fname_;
    return readHeaderCode;
  }
 
  std::vector<std::pair<unsigned int, float> > entries;
  unsigned int maxAddress = addressMask_;
  std::string line;
 
  while (std::getline(stream, line)) {
    line.erase(std::find(line.begin(), line.end(), '#'), line.end());  //ignore comments
    std::istringstream lineStream(line);
    std::pair<unsigned int, float> entry;
    while (lineStream >> entry.first >> entry.second) {
      entry.first &= addressMask_;
      // entry.second &= dataMask_;
      entries.push_back(entry);
      if (entry.first > maxAddress || maxAddress == addressMask_)
        maxAddress = entry.first;
    }
  }
  std::sort(entries.begin(), entries.end());
  if (entries.empty()) {
    //log the error we read nothing
    return NO_ENTRIES;
  }
  //this check is redundant as dups are also picked up by the next check but might make for easier debugging
  if (std::adjacent_find(entries.begin(), entries.end(), [](auto const& a, auto const& b) {
        return a.first == b.first;
      }) != entries.end()) {
    //log the error that we have duplicate addresses once masked
    return DUP_ENTRIES;
  }
  if (entries.front().first != 0 ||
      std::adjacent_find(entries.begin(), entries.end(), [](auto const& a, auto const& b) {
        return a.first + 1 != b.first;
      }) != entries.end()) {
    //log the error that we have a missing entry
    return MISS_ENTRIES;
  }
 
  if (maxAddress != std::numeric_limits<unsigned int>::max())
    data_.resize(maxAddress + 1, 0);
  else {
    //log the error that we have more addresses than we can deal with (which is 4gb so something probably has gone wrong anyways)
    return MAX_ADDRESS_OUTOFRANGE;
  }
 
  std::transform(entries.begin(), entries.end(), data_.begin(), [](auto const& x) { return x.second; });
  return SUCCESS;
}

References a, addressMask_, b, data_, DUP_ENTRIES, mps_splice::entry, spr::find(), fname_, mps_splice::line, SiStripPI::max, MAX_ADDRESS_OUTOFRANGE, MISS_ENTRIES, NO_ENTRIES, readHeader(), jetUpdater_cfi::sort, cms::cuda::stream, AlCaHLTBitMon_QueryRunRegistry::string, SUCCESS, HcalDetIdTransform::transform(), and x.

Referenced by edmIntegrityCheck.PublishToFileSystem::get(), initialize(), and load().

readHeader()

int CSCLUTReader::readHeader ( std::istream &  stream )

private

Definition at line 146 of file CSCLUTReader.cc.

                                               {
  int startPos = stream.tellg();  //we are going to reset to this position before we exit
  std::string line;
  while (std::getline(stream, line)) {
    if (line.find("#<header>") == 0) {  //line
      std::istringstream lineStream(line);
 
      std::string version;      //currently not doing anything with this
      std::string headerField;  //currently not doing anything with this
      if (lineStream >> headerField >> version >> nrBitsAddress_ >> nrBitsData_) {
        addressMask_ = nrBitsAddress_ != 32 ? (0x1 << nrBitsAddress_) - 1 : ~0x0;
        dataMask_ = (0x1 << nrBitsData_) - 1;
        stream.seekg(startPos);
        return SUCCESS;
      }
    }
  }
 
  nrBitsAddress_ = 0;
  nrBitsData_ = 0;
  addressMask_ = (0x1 << nrBitsAddress_) - 1;
  dataMask_ = (0x1 << nrBitsData_) - 1;
 
  stream.seekg(startPos);
  return NO_HEADER;
}

References addressMask_, dataMask_, mps_splice::line, NO_HEADER, nrBitsAddress_, nrBitsData_, cms::cuda::stream, AlCaHLTBitMon_QueryRunRegistry::string, SUCCESS, and BeamSplash_cfg::version.

Referenced by read().

save()

void CSCLUTReader::save

(

std::ofstream &

output

)

Definition at line 22 of file CSCLUTReader.cc.

{ write(output); }

References convertSQLitetoXML_cfg::output, and write().

write()

void CSCLUTReader::write

(

std::ostream &

stream

)

const

Definition at line 135 of file CSCLUTReader.cc.

                                                 {
  stream << "#<header> V1 " << nrBitsAddress_ << " " << nrBitsData_ << " </header> " << std::endl;
  for (unsigned int address = 0; address < data_.size(); address++) {
    stream << (address & addressMask_) << " " << data(address) << std::endl;
  }
}

References addressMask_, data(), data_, nrBitsAddress_, nrBitsData_, and cms::cuda::stream.

Referenced by save().

Member Data Documentation

addressMask_

unsigned int CSCLUTReader::addressMask_

private

Definition at line 57 of file CSCLUTReader.h.

Referenced by data(), maxSize(), read(), readHeader(), and write().

data_

std::vector<float> CSCLUTReader::data_

private

Definition at line 60 of file CSCLUTReader.h.

Referenced by data(), empty(), read(), and write().

dataMask_

unsigned int CSCLUTReader::dataMask_

private

Definition at line 58 of file CSCLUTReader.h.

Referenced by readHeader().

fname_

std::string CSCLUTReader::fname_

private

Definition at line 52 of file CSCLUTReader.h.

Referenced by lookup(), and read().

m_codeInWidth

int CSCLUTReader::m_codeInWidth

private

Definition at line 62 of file CSCLUTReader.h.

Referenced by initialize().

m_initialized

bool CSCLUTReader::m_initialized

private

Definition at line 64 of file CSCLUTReader.h.

Referenced by initialize(), load(), lookup(), and lookupPacked().

m_outWidth

unsigned CSCLUTReader::m_outWidth

private

Definition at line 63 of file CSCLUTReader.h.

Referenced by initialize().

nrBitsAddress_

unsigned int CSCLUTReader::nrBitsAddress_

private

Definition at line 55 of file CSCLUTReader.h.

Referenced by nrBitsAddress(), readHeader(), and write().

nrBitsData_

unsigned int CSCLUTReader::nrBitsData_

private

Definition at line 56 of file CSCLUTReader.h.

Referenced by nrBitsData(), readHeader(), and write().