PtLUTWriter Class Reference

#include <PtLUTWriter.h>

Public Types
typedef uint64_t	address_t
typedef uint16_t	content_t
typedef std::vector< content_t >	table_t

Public Member Functions
content_t	get_version () const
	PtLUTWriter ()
void	push_back (const content_t &pt)
void	set_version (content_t ver)
void	write (const std::string &lut_full_path, const uint16_t num_, const uint16_t denom_) const
	~PtLUTWriter ()

Private Attributes
bool	ok_
table_t	ptlut_
content_t	version_

Detailed Description

Definition at line 9 of file PtLUTWriter.h.

Member Typedef Documentation

typedef uint64_t PtLUTWriter::address_t

Definition at line 15 of file PtLUTWriter.h.

typedef uint16_t PtLUTWriter::content_t

Definition at line 14 of file PtLUTWriter.h.

typedef std::vector<content_t> PtLUTWriter::table_t

Definition at line 16 of file PtLUTWriter.h.

Constructor & Destructor Documentation

PtLUTWriter::PtLUTWriter ( )

explicit

Definition at line 11 of file PtLUTWriter.cc.

References ptlut_, and PTLUT_SIZE.

                         :
    ptlut_(),
    version_(7), // Initial version, but not hard-coded: gets set by "set_version"
    ok_(false)
{
  ptlut_.reserve(PTLUT_SIZE / 64); // Hack! Hard-code / manually set denom_ for now - AWB 24.05.17
}

PtLUTWriter::~PtLUTWriter

(

)

Definition at line 19 of file PtLUTWriter.cc.

                          {

}

Member Function Documentation

content_t PtLUTWriter::get_version ( ) const

inline

Definition at line 24 of file PtLUTWriter.h.

References version_.

{ return version_; }

void PtLUTWriter::push_back

(

const content_t &

pt

)

Definition at line 73 of file PtLUTWriter.cc.

References ptlut_.

                                               {
  ptlut_.push_back(pt);
}

void PtLUTWriter::set_version ( content_t  ver )

inline

Definition at line 22 of file PtLUTWriter.h.

References version_.

{ version_ = ver; }

void PtLUTWriter::write	(	const std::string &	lut_full_path,
		const uint16_t	num_,
		const uint16_t	denom_
	)		const

Definition at line 23 of file PtLUTWriter.cc.

References gather_cfg::cout, lumiCalc2::outfile, ptlut_, PTLUT_SIZE, and version_.

                                                                                                        {
  //if (ok_)  return;
  if (not(denom_ == 64)) // Check consistency for temporary hack - AWB 24.05.17
    { edm::LogError("L1T") << "denom_ = " << denom_; return; }

  std::cout << "Writing LUT, this might take a while..." << std::endl;

  std::ofstream outfile(lut_full_path, std::ios::binary);
  if (!outfile.good()) {
    char what[256];
    snprintf(what, sizeof(what), "Fail to open %s", lut_full_path.c_str());
    throw std::invalid_argument(what);
  }

  if (ptlut_.size() != (PTLUT_SIZE / denom_)) {
    char what[256];
    snprintf(what, sizeof(what), "ptlut_.size() is %lu != %i", ptlut_.size(), PTLUT_SIZE);
    throw std::invalid_argument(what);
  }

  if (num_ == 1)
    ptlut_.at(0) = version_;  // address 0 is the pT LUT version number

  typedef uint64_t full_word_t;
  full_word_t full_word;
  full_word_t sub_word[4] = {0, 0, 0, 0};

  table_t::const_iterator ptlut_it  = ptlut_.begin();
  table_t::const_iterator ptlut_end = ptlut_.end();

  while (ptlut_it != ptlut_end) {
    sub_word[0] = *ptlut_it++;
    sub_word[1] = *ptlut_it++;
    sub_word[2] = *ptlut_it++;
    sub_word[3] = *ptlut_it++;

    full_word = 0;
    full_word |= ((sub_word[0] & 0x1FF) << 0);
    full_word |= ((sub_word[1] & 0x1FF) << 9);
    full_word |= ((sub_word[2] & 0x1FF) << 32);
    full_word |= ((sub_word[3] & 0x1FF) << (32+9));

    outfile.write(reinterpret_cast<char*>(&full_word), sizeof(full_word_t));
  }
  outfile.close();

  //ok_ = true;
  return;
}

Member Data Documentation

bool PtLUTWriter::ok_

private

Definition at line 29 of file PtLUTWriter.h.

table_t PtLUTWriter::ptlut_

mutableprivate

Definition at line 27 of file PtLUTWriter.h.

Referenced by PtLUTWriter(), push_back(), and write().

content_t PtLUTWriter::version_

private

Definition at line 28 of file PtLUTWriter.h.

Referenced by get_version(), set_version(), and write().