#include <L1MuGMTLUT.h>

Inheritance diagram for L1MuGMTLUT:

Classes
class	PortDecoder
Public Types
typedef std::pair< std::string, unsigned >	port
Public Member Functions
	L1MuGMTLUT ()
	Init and Destruct.
	L1MuGMTLUT (const char *name, const std::vector< std::string > &instances, const std::vector< port > &in_widths, const std::vector< port > &out_widths, unsigned vme_addr_width=0, bool distrRAM=false)
	constructor with init
	L1MuGMTLUT (const char *name, const std::string &instances, const std::string &inputs, const std::string &outputs, unsigned vme_addr_width=0, bool distrRAM=false)
void	Load (const char *path)
	I/O functions.
std::vector< unsigned >	Lookup (int idx, unsigned address) const
	additional lookup function (unsigned -> std::vector)
std::vector< unsigned >	Lookup (int idx, const std::vector< unsigned > &address) const
	additional lookup function (std::vector -> vector)
virtual unsigned	LookupFunctionPacked (int idx, unsigned address) const
unsigned	LookupPacked (int idx, unsigned) const
unsigned	LookupPacked (int idx, const std::vector< unsigned > &address) const
	additional lookup function (std::vector -> unisgned)
void	MakeSubClass (const char fname="", const char template_file_h="../interface/L1MuGMTLUT_SubClass.h_template", const char *template_file_cc="../interface/L1MuGMTLUT_SubClass.cc_template")
	Add Generate SubClass method.
std::string	Name ()
int	numberOfInstances ()
	get the number of Instances
void	Save (const char *path)
	save to LUT file
virtual	~L1MuGMTLUT ()
	destructor
Protected Member Functions
void	Init (const char *name, const std::vector< std::string > &instances, const std::vector< port > &in_widths, const std::vector< port > &out_widths, unsigned vme_addr_width=0, bool distrRAM=false)
	Initialize the LUT.
void	Set (int idx, unsigned address, unsigned value)
	set with single address and value
std::vector< unsigned >	u2vec (unsigned value, const std::vector< port > &widths) const
	generate composite address or value from compact unsigned
unsigned	vec2u (const std::vector< unsigned > &vec, const std::vector< port > &widths) const
	generate address or value from composite address or value
Protected Attributes
std::vector< std::vector < unsigned > >	m_Contents
bool	m_distrRAM
unsigned	m_GeneralLUTVersion
bool	m_initialized
std::vector< port >	m_Inputs
std::vector< std::string >	m_InstNames
std::string	m_name
int	m_NLUTS
std::vector< port >	m_Outputs
bool	m_saveFlag
unsigned	m_TotalInWidth
unsigned	m_TotalOutWidth
bool	m_UseLookupFunction
unsigned	m_vme_addr_width
Friends
class	L1MuGMTLUTConverter

Detailed Description

Description: A general-purpose Look-Up-Table Class

Base class for all LUTs in the Global Muon Trigger Simulation

INPUTS OUTPUTS

-------- | | | |-- Y(1) eta(6) --| | 1 8..13 | | phi(8) --| | 0..7 | |-- X(1) | | 0 --------

std::vector<unsigned> inp; inp [0] = phi inp [1] = eta

std::vector<unsigned> out = MyLUT.Lookup (lutidx, inp); X = out[0]; Y = out[1];

Definition at line 77 of file L1MuGMTLUT.h.

Member Typedef Documentation

typedef std::pair<std::string, unsigned> L1MuGMTLUT::port

Definition at line 80 of file L1MuGMTLUT.h.

Constructor & Destructor Documentation

L1MuGMTLUT::L1MuGMTLUT ( ) [inline]

Init and Destruct.

default constructor w/o init

Definition at line 85 of file L1MuGMTLUT.h.

: m_initialized(0), m_NLUTS(0), m_UseLookupFunction(true), m_saveFlag(false) {};

L1MuGMTLUT::L1MuGMTLUT	(	const char *	name,
		const std::vector< std::string > &	instances,
		const std::vector< port > &	in_widths,
		const std::vector< port > &	out_widths,
		unsigned	vme_addr_width = `0`,
		bool	distrRAM = `false`
	)		`[inline]`

constructor with init

Definition at line 88 of file L1MuGMTLUT.h.

References Init().

                                                               : m_initialized(0), m_NLUTS(0), m_UseLookupFunction(true), m_saveFlag(false) {
      Init (name, instances, in_widths, out_widths, vme_addr_width, distrRAM); 
      };

L1MuGMTLUT::L1MuGMTLUT	(	const char *	name,
		const std::string &	instances,
		const std::string &	inputs,
		const std::string &	outputs,
		unsigned	vme_addr_width = `0`,
		bool	distrRAM = `false`
	)		`[inline]`

Definition at line 96 of file L1MuGMTLUT.h.

References Init().

                                                               : m_initialized(0), m_NLUTS(0), m_UseLookupFunction(true), m_saveFlag(false) {
      Init (name, L1MuGMTLUTHelpers::Tokenizer(" ",instances), PortDecoder(inputs), PortDecoder(outputs), 
            vme_addr_width, distrRAM); 
      };

L1MuGMTLUT::~L1MuGMTLUT ( ) [virtual]

destructor

Definition at line 37 of file L1MuGMTLUT.cc.

                        {
  if (! m_UseLookupFunction ) {
    
    // de-allocate vectors
    // no destuction needed for vector< vector <unsigned> >

    // for (int i=0;i < m_NLUTS; i++) 
    //   m_Contents[i].clear();
    // m_Contents.clear();
  }
}

Member Function Documentation

void L1MuGMTLUT::Init	(	const char *	name,
		const std::vector< std::string > &	instances,
		const std::vector< port > &	in_widths,
		const std::vector< port > &	out_widths,
		unsigned	vme_addr_width = `0`,
		bool	distrRAM = `false`
	)		`[protected]`

Initialize the LUT.

Referenced by L1MuGMTLUT().

void L1MuGMTLUT::Load ( const char * path )

I/O functions.

load from LUT file

Definition at line 196 of file L1MuGMTLUT.cc.

References spr::find(), i, recoMuon::in, geometryCSVtoXML::line, linker::replace(), and relativeConstraints::value.

                                      {
  string lf_name("");
  vector <string> lf_InstNames;
  vector <port> lf_Inputs;
  vector <port> lf_Outputs;
  unsigned lf_vme_addr_width=0;
  bool lf_distrRAM=false;
  vector<string> lf_comments;

  ifstream in (path);
  const int sz=1000; char buf[sz];


  // read header
  
  while ( in.getline(buf, sz) ) {
    string line(buf);
    string::size_type i=0;
    if ( (i=line.find("//")) != string::npos) {
      lf_comments.push_back( line.substr(i) ); // save comments
      line.erase(i); // and strip
    }
    L1MuGMTLUTHelpers::Tokenizer tok("=", line);
    if (tok.size() == 2) {
      L1MuGMTLUTHelpers::replace(tok[0], " ","", false); // skip spaces
      L1MuGMTLUTHelpers::replace(tok[0], "\t","", false); // skip tabs

      L1MuGMTLUTHelpers::replace(tok[1], "\t", " ", false); // convert tabs to spaces
      L1MuGMTLUTHelpers::replace(tok[1], "  ", " ", true); // skip multiple spaces
      tok[1].erase(0, tok[1].find_first_not_of(" ")); // skip leading spaces
      tok[1].erase(tok[1].find_last_not_of(" ")+1); // skip trailing spaces
            
      if (tok[0] == "NAME") lf_name = tok[1];
      else if (tok[0] == "INSTANCES") { lf_InstNames = L1MuGMTLUTHelpers::Tokenizer(" ",tok[1]); }
      else if (tok[0] == "LUT_INPUTS") lf_Inputs = PortDecoder(tok[1]);
      else if (tok[0] == "LUT_OUTPUTS") lf_Outputs = PortDecoder(tok[1]); 
      else if (tok[0] == "VME_ADDR_WIDTH") lf_vme_addr_width = atoi(tok[1].c_str()); 
      else if (tok[0] == "DISTRIBUTED_RAM") lf_distrRAM = ( atoi(tok[1].c_str()) == 1 ); 
    }
    if (tok[0].find("CONTENTS") != string::npos) break;
  }

  if (!m_initialized) { // then initialize
    Init(lf_name.c_str(), lf_InstNames, lf_Inputs, lf_Outputs, lf_vme_addr_width, lf_distrRAM);    
  }
  else { // verify compatibility
    if (m_name != lf_name ||
        m_InstNames != lf_InstNames ||
        m_Inputs != lf_Inputs ||
        m_Outputs != lf_Outputs ||
        m_vme_addr_width != lf_vme_addr_width ||
        m_distrRAM != lf_distrRAM) {
      edm::LogWarning("LUTParmasMismatch") 
          << "L1MuGMTLUT::Load: error: parameters in file do not match configuration of LUT. Load failed.";
      return;
    }
  }
  
  if (m_UseLookupFunction) {
    // allocate vectors
    m_Contents.resize( m_NLUTS );
    for (int i=0;i < m_NLUTS; i++) 
      m_Contents[i].resize( 1 << m_TotalInWidth );

      // switch to table mode
    m_UseLookupFunction = false;
  }  
  
  // continue to read contents (first line should be in buf)
  int maxrows = 1 << m_TotalInWidth;
  int row = 0;
  int current_index = -1;
  do {
    string line(buf);
    string::size_type i=0;
    if ( (i=line.find("//")) != string::npos) line.erase(i); // strip comments
    L1MuGMTLUTHelpers::Tokenizer tok("=", line);

    if (tok.size() == 2 && tok[0].find("CONTENTS") != string::npos) {
      L1MuGMTLUTHelpers::Tokenizer tok1("_",tok[0]);
      if (tok1.size() !=2) {
        edm::LogWarning("LUTParsingProblem") << "L1MuGMTLUT::Load: error parsing contents tag " << tok[0] << ".";
        break;
      } 

      istringstream is(tok1[1].c_str());
      int newindex; 
      is >> newindex;
      if (newindex != current_index+1)
        edm::LogWarning("LUTParsingProblem") << "L1MuGMTLUT::Load: warning: LUTS in LUT file are not in order.";

      if (newindex > m_NLUTS-1) {
        edm::LogWarning("LUTParsingProblem") << "L1MuGMTLUT::Load: warning: LUT file contains LUT with too high index (" 
             << tok[0] 
             << "). max = " << m_NLUTS << " skipping.";
        newindex = -1;
      }
      current_index = newindex;

      if (row != 0) {
        if ( row < maxrows ) 
          edm::LogWarning("LUTParsingProblem") << "L1MuGMTLUT::Load: warning: LUT file only contains part of LUT contents.";
        row = 0;
      }
      istringstream is1(tok[1].c_str());
      unsigned value;
      if (is1 >> value) {
        if (current_index!=-1)
          Set (current_index, row++, value);    
      }
    }
    else {
      istringstream is1(line.c_str());
      unsigned value;
      if (is1 >> value) {
        if (row < maxrows) {
          if (current_index!=-1)
            Set (current_index, row++, value);  
        }
        else
          edm::LogWarning("LUTParsingProblem") 
                   << "L1MuGMTLUT::Load: warning: LUT file only contains LUT with too many entries. skipping.";
      }
    }
  } while ( in.getline(buf, sz) );
}

std::vector<unsigned> L1MuGMTLUT::Lookup	(	int	idx,
		const std::vector< unsigned > &	address
	)		const `[inline]`

additional lookup function (std::vector -> vector)

Definition at line 117 of file L1MuGMTLUT.h.

References m_Inputs, and vec2u().

Referenced by L1MuGMTMIAUPhiPro1LUT::SpecificLookup_cphi_fine(), L1MuGMTMIAUPhiPro1LUT::SpecificLookup_cphi_ofs(), L1MuGMTLFCOUDeltaEtaLUT::SpecificLookup_delta_eta(), L1MuGMTLFDeltaEtaLUT::SpecificLookup_delta_eta(), L1MuGMTLFDisableHotLUT::SpecificLookup_disable_hot(), L1MuGMTLFPhiProLUT::SpecificLookup_dphi(), L1MuGMTLFEtaConvLUT::SpecificLookup_eta_gmt(), L1MuGMTLFPhiProEtaConvLUT::SpecificLookup_eta_out(), L1MuGMTMIAUEtaConvLUT::SpecificLookup_eta_out(), L1MuGMTLFOvlEtaConvLUT::SpecificLookup_eta_ovl(), L1MuGMTMIAUEtaProLUT::SpecificLookup_eta_sel(), L1MuGMTLFMergeRankEtaQLUT::SpecificLookup_flag(), L1MuGMTLFMergeRankCombineLUT::SpecificLookup_merge_rank(), L1MuGMTLFMatchQualLUT::SpecificLookup_mq(), L1MuGMTMIAUPhiPro2LUT::SpecificLookup_phi_sel(), L1MuGMTLFPtMixLUT::SpecificLookup_pt_mixed(), L1MuGMTLFMergeRankEtaPhiLUT::SpecificLookup_rank_etaphi(), L1MuGMTLFSortRankEtaPhiLUT::SpecificLookup_rank_etaphi(), L1MuGMTLFMergeRankEtaQLUT::SpecificLookup_rank_etaq(), L1MuGMTLFSortRankEtaQLUT::SpecificLookup_rank_etaq(), L1MuGMTLFSortRankPtQLUT::SpecificLookup_rank_ptq(), L1MuGMTLFMergeRankPtQLUT::SpecificLookup_rank_ptq(), L1MuGMTLFSortRankCombineLUT::SpecificLookup_sort_rank(), and L1MuGMTLFSortRankEtaQLUT::SpecificLookup_vlq().

                                                                                          { 
      return Lookup (idx, vec2u ( address, m_Inputs ) ); };

std::vector<unsigned> L1MuGMTLUT::Lookup	(	int	idx,
		unsigned	address
	)		const `[inline]`

additional lookup function (unsigned -> std::vector)

Definition at line 121 of file L1MuGMTLUT.h.

References LookupPacked(), m_Outputs, and u2vec().

                                                                        {
      return u2vec ( LookupPacked(idx, address), m_Outputs );
    };

virtual unsigned L1MuGMTLUT::LookupFunctionPacked	(	int	idx,
		unsigned	address
	)		const `[inline, virtual]`

lookup defined as analytic function to be impemented in derived class

Reimplemented in L1MuGMTLFCOUDeltaEtaLUT, L1MuGMTLFDeltaEtaLUT, L1MuGMTLFDisableHotLUT, L1MuGMTLFEtaConvLUT, L1MuGMTLFMatchQualLUT, L1MuGMTLFMergeRankCombineLUT, L1MuGMTLFMergeRankEtaPhiLUT, L1MuGMTLFMergeRankEtaQLUT, L1MuGMTLFMergeRankPtQLUT, L1MuGMTLFOvlEtaConvLUT, L1MuGMTLFPhiProEtaConvLUT, L1MuGMTLFPhiProLUT, L1MuGMTLFPtMixLUT, L1MuGMTLFSortRankCombineLUT, L1MuGMTLFSortRankEtaPhiLUT, L1MuGMTLFSortRankEtaQLUT, L1MuGMTLFSortRankPtQLUT, L1MuGMTMIAUEtaConvLUT, L1MuGMTMIAUEtaProLUT, L1MuGMTMIAUPhiPro1LUT, and L1MuGMTMIAUPhiPro2LUT.

Definition at line 136 of file L1MuGMTLUT.h.

Referenced by LookupPacked().

{ return 0; };

unsigned L1MuGMTLUT::LookupPacked	(	int	idx,
		const std::vector< unsigned > &	address
	)		const `[inline]`

additional lookup function (std::vector -> unisgned)

Definition at line 113 of file L1MuGMTLUT.h.

References LookupPacked(), m_Inputs, and vec2u().

                                                                                     { 
      return LookupPacked (idx, vec2u ( address, m_Inputs ) ); };

unsigned L1MuGMTLUT::LookupPacked	(	int	idx,
		unsigned	address
	)		const `[inline]`

main lookup function (unsigned -> unsigned) all lookup functions go through this one

Definition at line 262 of file L1MuGMTLUT.h.

References UserOptions_cff::idx, LookupFunctionPacked(), m_Contents, m_initialized, m_name, m_NLUTS, m_TotalInWidth, m_TotalOutWidth, m_UseLookupFunction, and relativeConstraints::value.

                                                                  {
  if (! m_initialized) {
    edm::LogWarning("LUTMismatch")  << "Error in L1MuGMTLUT::LookupPacked: LUT not initialized. ";
    return 0;
  }
  if ( idx >= m_NLUTS ) {
    edm::LogWarning("LUTMismatch")  << "Error in L1MuGMTLUT::LookupPacked: LUT index exceeds range (0 to " << ( m_NLUTS -1 ) << ")." 
        ;
    return 0;
  }
  if ( address >= (unsigned) (1 << m_TotalInWidth) ) {
    edm::LogWarning("LUTMismatch")  << "Error in L1MuGMTLUT::LookupPacked: LUT input exceeds range (0 to " << ( (1 << m_TotalInWidth) -1 ) << ")." 
        ;
    return 0;
  }

  unsigned value = 0;
  if (m_UseLookupFunction) {
    value = LookupFunctionPacked (idx, address);
  } else {
    value = m_Contents[idx][address];
  }

  // check range of output
  if ( value >= (unsigned) (1 << m_TotalOutWidth) ) {
    edm::LogWarning("LUTMismatch")  << "Error in L1MuGMTLUT::LookupPacked(): LUT output value " << value
         << " exceeds range (0 to " << ( (1 << m_TotalOutWidth) -1 ) << ")." 
        ;
    edm::LogWarning("LUTMismatch")  << "  LUT name: " << m_name;
    if (m_UseLookupFunction) 
      edm::LogWarning("LUTMismatch")  << "  Lookup Function has to be corrected!!!";
    else
      edm::LogWarning("LUTMismatch")  << "  LUT File has to be corrected!!!";
    return (1 << m_TotalOutWidth) - 1;
  }
  return value;
}

void L1MuGMTLUT::MakeSubClass	(	const char *	fname = `""`,
		const char *	template_file_h = `"../interface/L1MuGMTLUT_SubClass.h_template"`,
		const char *	template_file_cc = `"../interface/L1MuGMTLUT_SubClass.cc_template"`
	)

Add Generate SubClass method.

Definition at line 328 of file L1MuGMTLUT.cc.

References i, recoMuon::in, j, geometryCSVtoXML::line, linker::replace(), tmp, and L1MuGMTLUTHelpers::upperCase().

                                                            {

  // prepare parts
  string ins_name (m_name);
  string ins_name_upper = L1MuGMTLUTHelpers::upperCase (ins_name);
  string ins_instance_string;
  string ins_instances_enum;
  for (unsigned i=0; i<m_InstNames.size(); i++) {
    if (i!=0) ins_instance_string += ' ';
    ins_instance_string +=  m_InstNames[i];

    if (i!=0) ins_instances_enum += ", ";
    ins_instances_enum += m_InstNames[i];
  }
  char ins_vme[100]; 
  sprintf (ins_vme, "%d", m_vme_addr_width);

  char ins_distr_RAM[10];
  sprintf (ins_distr_RAM, "%s", m_distrRAM?"true":"false");
  
  
  string ins_input_decl_list, ins_input_list, ins_input_addr_list;
  for (unsigned i=0; i<m_Inputs.size(); i++) {
    ins_input_decl_list += string(", unsigned ") + m_Inputs[i].first;
    ins_input_list += string(", ") + m_Inputs[i].first;
    char tmp[100]; sprintf (tmp, " ,addr[%d]", i);
    ins_input_addr_list += string(tmp); 
  }
  
  //  string ins_lookup_functions;
  ostringstream os;
  for (unsigned i=0; i<m_Outputs.size(); i++) {
    os << "  /// specific lookup function for " <<  m_Outputs[i].first << endl;
    os << "  unsigned SpecificLookup_" << m_Outputs[i].first << " (int idx" << ins_input_decl_list << ") const {" << endl;
    os << "    vector<unsigned> addr(" << m_Inputs.size() << ");" << endl;
    for (unsigned j=0; j< m_Inputs.size(); j++) {
      os << "    addr[" << j << "] = " << m_Inputs[j].first << ";" << endl;
    }
    os << "    return Lookup(idx, addr) [" << i << "];" << endl;
    os << "  };" << endl << endl;
  }
  os << "  /// specific lookup function for entire output field" << endl;
  os << "  unsigned SpecificLookup (int idx" << ins_input_decl_list << ") const {" << endl;
  os << "    vector<unsigned> addr(" << m_Inputs.size() << ");" << endl;
  for (unsigned j=0; j< m_Inputs.size(); j++) {
    os << "    addr[" << j << "] = " << m_Inputs[j].first << ";" << endl;
  }
  os << "    return LookupPacked(idx, addr);" << endl;
  os << "  };" << endl << endl;

  os << ends;
  string ins_lookup_functions = os.str();

  // substitute in .h file
  string outfn (fname);
  if (outfn.size() == 0) outfn = string("../interface/L1MuGMT") +  m_name + string("LUT.h");
  ifstream of_check(outfn.c_str());
  if (! of_check.good() ) {
    ofstream of(outfn.c_str());
  

    ifstream in(template_file_h); 
    const int sz=1000; char buf[sz];

    while ( in.getline(buf, sz) ) {
      string line(buf);

      L1MuGMTLUTHelpers::replace(line, "###insert_name_upper###", ins_name_upper, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_name###", ins_name, false); 
      L1MuGMTLUTHelpers::replace(line, "###insert_instance_string###", ins_instance_string, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_instances_enum###", ins_instances_enum, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_inputs_string###", string(PortDecoder(m_Inputs).str()), false);
      L1MuGMTLUTHelpers::replace(line, "###insert_outputs_string###", string(PortDecoder(m_Outputs).str()), false);
      L1MuGMTLUTHelpers::replace(line, "###insert_vme_input_width###", string(ins_vme), false);
      L1MuGMTLUTHelpers::replace(line, "###insert_distrRAM###", string(ins_distr_RAM), false);
      L1MuGMTLUTHelpers::replace(line, "###insert_input_decl_list###", ins_input_decl_list, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_input_list###", ins_input_list, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_input_addr_list###", ins_input_addr_list, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_lookup_functions###", ins_lookup_functions, false);
      of << line << endl;
    }    
  }

  // substitute in .cc file
  string outfn_cc (fname);
  if (outfn_cc.size() == 0) outfn_cc = string("../interface/L1MuGMT") +  m_name + string("LUT.cc");

  ifstream of_cc_check( outfn_cc.c_str() );
  if (! of_cc_check.good() ) {
    ofstream of_cc(outfn_cc.c_str());
  

    ifstream in_cc(template_file_cc); 
    const int sz=1000; char buf[sz];

    while ( in_cc.getline(buf, sz) ) {
      string line(buf);

      L1MuGMTLUTHelpers::replace(line, "###insert_name_upper###", ins_name_upper, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_name###", ins_name, false); 
      L1MuGMTLUTHelpers::replace(line, "###insert_instance_string###", ins_instance_string, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_instances_enum###", ins_instances_enum, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_inputs_string###", string(PortDecoder(m_Inputs).str()), false);
      L1MuGMTLUTHelpers::replace(line, "###insert_outputs_string###", string(PortDecoder(m_Outputs).str()), false);
      L1MuGMTLUTHelpers::replace(line, "###insert_vme_input_width###", string(ins_vme), false);
      L1MuGMTLUTHelpers::replace(line, "###insert_distrRAM###", string(ins_distr_RAM), false);
      L1MuGMTLUTHelpers::replace(line, "###insert_input_decl_list###", ins_input_decl_list, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_input_list###", ins_input_list, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_input_addr_list###", ins_input_addr_list, false);
      L1MuGMTLUTHelpers::replace(line, "###insert_lookup_functions###", ins_lookup_functions, false);
      of_cc << line << endl;
    }    
  }
}

std::string L1MuGMTLUT::Name ( ) [inline]

Definition at line 142 of file L1MuGMTLUT.h.

References m_name.

{return m_name;};

int L1MuGMTLUT::numberOfInstances ( ) [inline]

get the number of Instances

Definition at line 147 of file L1MuGMTLUT.h.

References m_NLUTS.

{ return m_NLUTS; };

void L1MuGMTLUT::Save ( const char * path )

save to LUT file

Definition at line 79 of file L1MuGMTLUT.cc.

References i, and L1MuGMTLUT::PortDecoder::str().

                                      {
  if (! m_initialized) {
    edm::LogWarning("LUTNotInitialized") << "L1MuGMTLUT::Save: LUT not initialized. ";
    return;
  }

  m_saveFlag = true;

  ofstream of(path);
  of << "// This is a CMS L1 Global Muon Trigger .lut file. " << endl;
  of << "//  " << endl;
  of << "// It defines a set of look-up-tables(LUTs) of the same type (same inputs and outputs) but" << endl;
  of << "// with different default contents. For example a certain type of LUT can have different" << endl;
  of << "// default values for DT for RPC and for CSC muons. " << endl;
  of << "//  " << endl;
  of << "// NAME           gives the name of the LUT. It should match the base name (name without '.lut')" << endl;
  of << "//                of the LUT file." << endl;
  of << "//                When deriving a C++ sub-class the name is used case sensitive." << endl;
  of << "//                In generated VHDL code the name is used in lower case." << endl;
  of << "//  " << endl;
  of << "// INSTANCES      is the list of instances of the LUT with different default values." << endl;
  of << "//                the lists consists of identifiers for each of the instances separated by spaces." << endl;
  of << "//                the identifiers can be made up of characters that are valid in VHDL lables. " << endl;
  of << "//                In the VHDL code they are used to label the different instances." << endl;
  of << "//  " << endl;
  of << "//                In C++ and VHDL the instance of a LUT is selected by an integer index where 0 " << endl;
  of << "//                corresponds to the leftmost identifier. Integer indices are also used in the CONTENTS_XX" << endl;
  of << "//                statements in this file." << endl;
  of << "//  " << endl;
  of << "// LUT_INPUTS     is the (space-separated) list of inputs of the LUT. Each input is specified in the form" << endl;
  of << "//                <input_name>(<number_of_bits>) where <input_name> is the name of the input and" << endl;
  of << "//                <number_of_bits> is the number of bits of the input. <input_name> has to be a valid" << endl;
  of << "//                identifier both in C++ and in VHDL. In C++ it is represented as an unsigned int." << endl;
  of << "//  " << endl;
  of << "//                All LUT inputs together make up the address of the corresponding memory." << endl;
  of << "//                The first input in the list corresponds to the most-significant bits of the address." << endl;
  of << "//  " << endl;
  of << "// LUT_OUTPUTS    is the (space-separated) list of outputs of the LUT. Each output is specified in the form" << endl;
  of << "//                <output_name>(<number_of_bits>) where <output_name> is the name of the output and" << endl;
  of << "//                <number_of_bits> is the number of bits of the output. <output_name> has to be a valid" << endl;
  of << "//                identifier both in C++ and in VHDL. In C++ it is represented as an unsigned int." << endl;
  of << "//  " << endl;
  of << "//                All LUT outputs together make up the data of the corresponding memory." << endl;
  of << "//                The first output in the list corresponds to the most-significant data bits." << endl;
  of << "//  " << endl;
  of << "// VME_ADDR_WIDTH is the address width of the LUT memory when accessed via VME. When the LUT " << endl;
  of << "//                is implemented as dual-port block RAM, the VME address with can be different " << endl;
  of << "//                from the address width given by the sum of the input widths. It can be larger or" << endl;
  of << "//                smaller by a factor of 2^n. When the LUT is implemented as dual-port distributed RAM," << endl;
  of << "//                the VME address width has to match the input width. " << endl;
  of << "//  " << endl;
  of << "// DISTRIBUTED_RAM is 1 if the LUT is to be implemented in distributed RAM and 0 for Block RAM " << endl;
  of << "//                 Note that for distributed RAM the address width on the GMT side (sum of input widths)" << endl;
  of << "//                 has to match the vme_addr_width" << endl;
  of << "//  " << endl;
  of << "// CONTENTS_XX    specifies the default contents of instance with index XX (see INSTANCES)." << endl;
  of << "//                contents are specified as decimal numbers, one number per line." << endl;
  of << "//  " << endl;
  of << "// Hannes Sakulin / HEPHY Vienna, 2003" << endl;
  of << "// "<< endl;
  
  of << "NAME = " << m_name << endl;
  of << "INSTANCES =" ;
  for (unsigned i=0; i<m_InstNames.size(); i++) of << " " << m_InstNames[i];
  of << endl;
  of << "LUT_INPUTS = " << PortDecoder(m_Inputs).str() <<  endl;
  of << "LUT_OUTPUTS = " << PortDecoder(m_Outputs).str() << endl;
  of << "VME_ADDR_WIDTH = " << m_vme_addr_width << endl;
  of << "DISTRIBUTED_RAM = " << (m_distrRAM?"1":"0") << endl;
  for (int i=0; i<m_NLUTS; i++) {
    of << "// " << m_InstNames[i] << endl;
    of << "CONTENTS_" << i << " = ";
    for (unsigned addr = 0; addr < (unsigned) (1<<m_TotalInWidth); addr ++) {
      of << LookupPacked (i, addr) << endl;
    }
    of << endl;
  }

  m_saveFlag = false;

}

void L1MuGMTLUT::Set	(	int	idx,
		unsigned	address,
		unsigned	value
	)		`[protected]`

set with single address and value

Definition at line 173 of file L1MuGMTLUT.cc.

References UserOptions_cff::idx, and relativeConstraints::value.

                                                               {
  if (! m_initialized) {
     edm::LogWarning("LUTNotInitialized") << "L1MuGMTLUT::Set: LUT not initialized. ";
    return;
  }

  if ( idx >= m_NLUTS ) {
    edm::LogWarning("LUTRangeViolation") << "L1MuGMTLUT::Set: LUT index exceeds range (0 to " << ( m_NLUTS -1 ) << ").";
    return;
  }
  if ( address >= (unsigned)(1 << m_TotalInWidth) ) {
    edm::LogWarning("LUTRangeViolation") << "Error in L1MuGMTLUT::Set: LUT input exceeds range (0 to " << ( (1 << m_TotalInWidth) -1 ) << ").";
    return;
  }
  if ( value >= (unsigned)(1 << m_TotalOutWidth) ) {
    edm::LogWarning("LUTRangeViolation") << "Error in L1MuGMTLUT::Set: LUT output exceeds range (0 to " << ( (1 << m_TotalOutWidth) -1 ) << ")." ;
    return;
  }
  m_Contents[idx][address] = value;
}

std::vector< unsigned > L1MuGMTLUT::u2vec	(	unsigned	value,
		const std::vector< port > &	widths
	)		const `[inline, protected]`

generate composite address or value from compact unsigned

Definition at line 241 of file L1MuGMTLUT.h.

References i, and convertSQLitetoXML_cfg::output.

                                                                                           {
  std::vector<unsigned> output( widths.size(), 0);
 
  unsigned start_ofs=0;

  for (int i=widths.size()-1; i>=0; i--) {
    int mask = ( (1 << widths[i].second) - 1 ) << start_ofs;
    output[i] = ( value & mask ) >> start_ofs;
    start_ofs += widths[i].second;
  }

  return output;
}

unsigned L1MuGMTLUT::vec2u	(	const std::vector< unsigned > &	vec,
		const std::vector< port > &	widths
	)		const `[inline, protected]`

generate address or value from composite address or value

Definition at line 216 of file L1MuGMTLUT.h.

References i, and relativeConstraints::value.

Referenced by Lookup(), and LookupPacked().

                                                                                               {
  if (vec.size() != widths.size()) {
    edm::LogWarning("LUTMismatch") << "Error in L1MuGMTLUT::vec2u: number of LUT inputs/outputs does not match definition";
    return (0);
  }
  
  unsigned value = 0;
  unsigned start_ofs=0;

  for (int i=vec.size()-1; i>=0; i--) {
    if ( vec[i] >= (unsigned) (1 << widths[i].second) ) {
      edm::LogWarning("LUTMismatch") << "Error in L1MuGMTLUT::vec2u: LUT input/output number " << i 
           << " exceeds range (0 to " << ( (1 << widths[i].second) -1 ) << ")." 
          ;
    }
    else
      value |= vec[i] << start_ofs;
    start_ofs += widths[i].second;
  }
  
  return (value);
}