smash::BinaryOutputBase Class Reference

#include <binaryoutput.h>

Base class for SMASH binary output.

Definition at line 28 of file binaryoutput.h.

Inheritance diagram for smash::BinaryOutputBase:

Collaboration diagram for smash::BinaryOutputBase:

Protected Member Functions
	BinaryOutputBase (const bf::path &path, const std::string &mode, const std::string &name, bool extended_format)
	Create binary output base. More...
void	write (const char c)
	Write byte to binary output. More...
void	write (const std::string &s)
	Write string to binary output. More...
void	write (const double x)
	Write double to binary output. More...
void	write (const FourVector &v)
	Write four-vector to binary output. More...
void	write (const std::int32_t x)
	Write integer (32 bit) to binary output. More...
void	write (const std::uint32_t x)
	Write unsigned integer (32 bit) to binary output. More...
void	write (const std::uint16_t x)
	Write unsigned integer (16 bit) to binary output. More...
void	write (const size_t x)
	Write a std::size_t to binary output. More...
void	write (const Particles &particles)
	Write particle data of each particle in particles to binary output. More...
void	write (const ParticleList &particles)
	Write each particle data entry to binary output. More...
void	write_particledata (const ParticleData &p)
	Write particle data to binary output. More...

Protected Attributes
RenamingFilePtr	file_
	Binary particles output file path. More...
Protected Attributes inherited from smash::OutputInterface
const bool	is_dilepton_output_
	Is this the dilepton output? More...
const bool	is_photon_output_
	Is this the photon output? More...
const bool	is_IC_output_
	Is this the IC output? More...

Private Attributes
const uint16_t	format_version_ = 7
	Binary file format version number. More...
bool	extended_
	Option for extended output. More...

Additional Inherited Members
Public Member Functions inherited from smash::OutputInterface
	OutputInterface (std::string name)
	Construct output interface. More...
virtual	~OutputInterface ()=default
virtual void	at_eventstart (const Particles &particles, const int event_number)=0
	Output launched at event start after initialization, when particles are generated but not yet propagated. More...
virtual void	at_eventend (const Particles &particles, const int event_number, double impact_parameter, bool empty_event)=0
	Output launched at event end. More...
virtual void	at_interaction (const Action &action, const double density)
	Called whenever an action modified one or more particles. More...
virtual void	at_intermediate_time (const Particles &particles, const std::unique_ptr< Clock > &clock, const DensityParameters &dens_param)
	Output launched after every N'th timestep. More...
virtual void	thermodynamics_output (const ThermodynamicQuantity tq, const DensityType dt, RectangularLattice< DensityOnLattice > &lattice)
	Output to write thermodynamics from the lattice. More...
virtual void	thermodynamics_output (const ThermodynamicQuantity tq, const DensityType dt, RectangularLattice< EnergyMomentumTensor > &lattice)
	Output to write energy-momentum tensor and related quantities from the lattice. More...
virtual void	thermodynamics_output (const GrandCanThermalizer &gct)
	Output to write energy-momentum tensor and related quantities from the thermalizer class. More...
bool	is_dilepton_output () const
	Get, whether this is the dilepton output? More...
bool	is_photon_output () const
	Get, whether this is the photon output? More...
bool	is_IC_output () const
	Get, whether this is the IC output? More...
const char *	to_string (const ThermodynamicQuantity tq)
	Convert thermodynamic quantities to strings. More...
const char *	to_string (const DensityType dens_type)
	Convert density types to strings. More...

Constructor & Destructor Documentation

BinaryOutputBase()

smash::BinaryOutputBase::BinaryOutputBase ( const bf::path &  path, const std::string &  mode, const std::string &  name, bool  extended_format  )

explicitprotected

Create binary output base.

Parameters

[in]	path	Output path.
[in]	mode	Is used to determine the file access mode.
[in]	name	Name of the output.
[in]	extended_format	Is the written output extended.

Definition at line 135 of file binaryoutput.cc.

    : OutputInterface(name), file_{path, mode}, extended_(extended_format) {
  std::fwrite("SMSH", 4, 1, file_.get());  // magic number
  write(format_version_);                  // file format version number
  std::uint16_t format_variant = static_cast<uint16_t>(extended_);
  write(format_variant);
  write(VERSION_MAJOR);  // SMASH version
}

Member Function Documentation

write() [1/10]

void smash::BinaryOutputBase::write ( const char  c )

protected

Write byte to binary output.

Parameters

[in]

c

Value to be written.

Definition at line 148 of file binaryoutput.cc.

                                         {
  std::fwrite(&c, sizeof(char), 1, file_.get());
}

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write() [2/10]

void smash::BinaryOutputBase::write ( const std::string &  s )

protected

Write string to binary output.

Parameters

[in]

s

String to be written.

Definition at line 152 of file binaryoutput.cc.

                                               {
  const auto size = boost::numeric_cast<uint32_t>(s.size());
  std::fwrite(&size, sizeof(std::uint32_t), 1, file_.get());
  std::fwrite(s.c_str(), s.size(), 1, file_.get());
}

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write() [3/10]

void smash::BinaryOutputBase::write ( const double  x )

protected

Write double to binary output.

Parameters

[in]

x

Value to be written.

Definition at line 158 of file binaryoutput.cc.

                                           {
  std::fwrite(&x, sizeof(x), 1, file_.get());
}

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write() [4/10]

void smash::BinaryOutputBase::write ( const FourVector &  v )

protected

Write four-vector to binary output.

Parameters

[in]

v

Four-vector to be written.

Definition at line 162 of file binaryoutput.cc.

                                                {
  std::fwrite(v.begin(), sizeof(*v.begin()), 4, file_.get());
}

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void smash::BinaryOutputBase::write ( const std::int32_t  x )

inlineprotected

Write integer (32 bit) to binary output.

Parameters

[in]

x

Value to be written.

Definition at line 69 of file binaryoutput.h.

                                 {
    std::fwrite(&x, sizeof(x), 1, file_.get());
  }

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write() [6/10]

void smash::BinaryOutputBase::write ( const std::uint32_t  x )

inlineprotected

Write unsigned integer (32 bit) to binary output.

Parameters

[in]

x

Value to be written.

Definition at line 77 of file binaryoutput.h.

                                  {
    std::fwrite(&x, sizeof(x), 1, file_.get());
  }

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void smash::BinaryOutputBase::write ( const std::uint16_t  x )

inlineprotected

Write unsigned integer (16 bit) to binary output.

Parameters

[in]

x

Value to be written.

Definition at line 85 of file binaryoutput.h.

                                  {
    std::fwrite(&x, sizeof(x), 1, file_.get());
  }

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void smash::BinaryOutputBase::write ( const size_t  x )

inlineprotected

Write a std::size_t to binary output.

Parameters

[in]

x

Value to be written.

Definition at line 93 of file binaryoutput.h.

{ write(boost::numeric_cast<uint32_t>(x)); }

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void smash::BinaryOutputBase::write ( const Particles &  particles )

protected

Write particle data of each particle in particles to binary output.

Parameters

[in]

particles

List of particles, whose data is to be written.

Definition at line 166 of file binaryoutput.cc.

                                                       {
  for (const auto &p : particles) {
    write_particledata(p);
  }
}

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void smash::BinaryOutputBase::write ( const ParticleList &  particles )

protected

Write each particle data entry to binary output.

Parameters

[in]

particles

List of particles, whose data is to be written.

Definition at line 172 of file binaryoutput.cc.

                                                          {
  for (const auto &p : particles) {
    write_particledata(p);
  }
}

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write_particledata()

void smash::BinaryOutputBase::write_particledata ( const ParticleData &  p )

protected

Write particle data to binary output.

Parameters

[in]

p

Particle data to be written.

Definition at line 178 of file binaryoutput.cc.

                                                               {
  write(p.position());
  double mass = p.effective_mass();
  std::fwrite(&mass, sizeof(mass), 1, file_.get());
  write(p.momentum());
  write(p.pdgcode().get_decimal());
  write(p.id());
  write(p.type().charge());
  if (extended_) {
    const auto history = p.get_history();
    write(history.collisions_per_particle);
    write(p.formation_time());
    write(p.xsec_scaling_factor());
    write(history.id_process);
    write(static_cast<int32_t>(history.process_type));
    write(history.time_last_collision);
    write(history.p1.get_decimal());
    write(history.p2.get_decimal());
  }
}

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Member Data Documentation

file_

RenamingFilePtr smash::BinaryOutputBase::file_

protected

Binary particles output file path.

Definition at line 114 of file binaryoutput.h.

format_version_

const uint16_t smash::BinaryOutputBase::format_version_ = 7

private

Binary file format version number.

Definition at line 118 of file binaryoutput.h.

extended_

bool smash::BinaryOutputBase::extended_

private

Option for extended output.

Definition at line 120 of file binaryoutput.h.

---

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

• src/include/smash/binaryoutput.h
• src/binaryoutput.cc