CLHEP::DoubConv Class Reference

#include <DoubConv.h>

Static Public Member Functions
static std::vector< unsigned long >	dto2longs (double d)
static double	longs2double (const std::vector< unsigned long > &v)
static std::string	d2x (double d)

Detailed Description

Definition at line 28 of file DoubConv.h.

Member Function Documentation

d2x()

std::string CLHEP::DoubConv::d2x ( double d )

static

Definition at line 82 of file DoubConv.cc.

                                {
  if ( !byte_order_known ) fill_byte_order ();
  DB8 db;
  db.d = d;
  std::ostringstream ss;
  for (int i=0; i<8; ++i) {
    int k = byte_order[i];
    ss << std::hex << std::setw(2) << std::setfill('0') << (int)db.b[k];
  }
  return ss.str();
}

dto2longs()

std::vector< unsigned long > CLHEP::DoubConv::dto2longs ( double d )

static

Definition at line 94 of file DoubConv.cc.

                                                     {
  std::vector<unsigned long> v(2);
  if ( !byte_order_known ) fill_byte_order ();
  DB8 db;
  db.d = d;
  v[0] =   ((static_cast<unsigned long>(db.b[byte_order[0]])) << 24)
         | ((static_cast<unsigned long>(db.b[byte_order[1]])) << 16)
         | ((static_cast<unsigned long>(db.b[byte_order[2]])) <<  8)
         | ((static_cast<unsigned long>(db.b[byte_order[3]]))      );
  v[1] =   ((static_cast<unsigned long>(db.b[byte_order[4]])) << 24)
         | ((static_cast<unsigned long>(db.b[byte_order[5]])) << 16)
         | ((static_cast<unsigned long>(db.b[byte_order[6]])) <<  8)
         | ((static_cast<unsigned long>(db.b[byte_order[7]]))      );
  return v; 
}

Referenced by CLHEP::HepJamesRandom::put(), CLHEP::NonRandomEngine::put(), CLHEP::RandBinomial::put(), CLHEP::RandBreitWigner::put(), CLHEP::RandChiSquare::put(), CLHEP::RandExponential::put(), CLHEP::RandExpZiggurat::put(), CLHEP::RandFlat::put(), CLHEP::RandGamma::put(), CLHEP::RandGauss::put(), CLHEP::RandGeneral::put(), CLHEP::RandPoisson::put(), CLHEP::RandPoissonQ::put(), CLHEP::RandStudentT::put(), CLHEP::Ranlux64Engine::put(), CLHEP::RandGauss::saveDistState(), and CLHEP::RandGauss::saveEngineStatus().

longs2double()

double CLHEP::DoubConv::longs2double ( const std::vector< unsigned long > & v )

static

Definition at line 110 of file DoubConv.cc.

                                                                 {
  DB8 db;
  unsigned char bytes[8];
  if ( !byte_order_known ) fill_byte_order ();
  bytes[0] = static_cast<unsigned char>((v[0] >> 24) & 0xFF);
  bytes[1] = static_cast<unsigned char>((v[0] >> 16) & 0xFF);
  bytes[2] = static_cast<unsigned char>((v[0] >>  8) & 0xFF);
  bytes[3] = static_cast<unsigned char>((v[0]      ) & 0xFF);
  bytes[4] = static_cast<unsigned char>((v[1] >> 24) & 0xFF);
  bytes[5] = static_cast<unsigned char>((v[1] >> 16) & 0xFF);
  bytes[6] = static_cast<unsigned char>((v[1] >>  8) & 0xFF);
  bytes[7] = static_cast<unsigned char>((v[1]      ) & 0xFF);
  for (int i=0; i<8; ++i) {
    db.b[byte_order[i]] =  bytes[i];
  }  
  return db.d;
}

Referenced by CLHEP::RandBinomial::get(), CLHEP::RandBreitWigner::get(), CLHEP::RandChiSquare::get(), CLHEP::RandExponential::get(), CLHEP::RandExpZiggurat::get(), CLHEP::RandFlat::get(), CLHEP::RandGamma::get(), CLHEP::RandGauss::get(), CLHEP::RandGeneral::get(), CLHEP::RandPoisson::get(), CLHEP::RandPoissonQ::get(), CLHEP::RandStudentT::get(), CLHEP::HepJamesRandom::getState(), CLHEP::NonRandomEngine::getState(), CLHEP::Ranlux64Engine::getState(), CLHEP::RandGauss::restoreDistState(), and CLHEP::RandGauss::restoreEngineStatus().

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

• DoubConv.h
• DoubConv.cc