trklet::VarShiftround Class Reference

#include <imath.h>

Inheritance diagram for trklet::VarShiftround:

Public Member Functions
void	local_calculate () override
void	print (std::ofstream &fs, HLS, int l1=0, int l2=0, int l3=0) override
void	print (std::ofstream &fs, Verilog, int l1=0, int l2=0, int l3=0) override
	VarShiftround (imathGlobals *globals, std::string name, VarBase *p1, int shift)
	~VarShiftround () override=default
Public Member Functions inherited from trklet::VarBase
void	add_cut (VarCut *cut, const bool call_set_cut_var=true)
void	add_delay (int i)
void	add_latency (unsigned int l)
void	analyze ()
bool	calculate ()
bool	calculate (int debug_level)
VarBase *	cut_var ()
std::string	dump ()
void	dump_msg ()
double	fval () const
bool	has_delay (int i)
void	inputs (std::vector< VarBase * > *vd)
long int	ival () const
double	K () const
std::map< std::string, int >	Kmap () const
std::string	kstring () const
int	latency () const
bool	local_passes () const
void	makeready ()
double	maxval () const
double	minval () const
std::string	name () const
int	nbits () const
std::string	op () const
VarBase *	p1 () const
VarBase *	p2 () const
VarBase *	p3 () const
void	passes (std::map< const VarBase *, std::vector< bool > > &passes, const std::map< const VarBase *, std::vector< bool > > *const previous_passes=nullptr) const
int	pipe_counter ()
std::string	pipe_delays (const int step)
void	pipe_increment ()
void	print_all (std::ofstream &fs, HLS)
void	print_all (std::ofstream &fs, Verilog)
void	print_cuts (std::map< const VarBase *, std::set< std::string > > &cut_strings, const int step, HLS, const std::map< const VarBase *, std::set< std::string > > *const previous_cut_strings=nullptr) const
void	print_cuts (std::map< const VarBase *, std::set< std::string > > &cut_strings, const int step, Verilog, const std::map< const VarBase *, std::set< std::string > > *const previous_cut_strings=nullptr) const
void	print_step (int step, std::ofstream &fs, HLS)
void	print_step (int step, std::ofstream &fs, Verilog)
void	print_truncation (std::string &t, const std::string &o1, const int ps, HLS) const
void	print_truncation (std::string &t, const std::string &o1, const int ps, Verilog) const
double	range () const
void	reset ()
int	shift () const
int	step () const
	VarBase (imathGlobals *globals, std::string name, VarBase *p1, VarBase *p2, VarBase *p3, int l)
virtual	~VarBase ()

Protected Attributes
int	shift_
Protected Attributes inherited from trklet::VarBase
VarBase *	cut_var_
std::vector< VarBase * >	cuts_
double	fval_
imathGlobals *	globals_
long int	ival_
double	K_
std::map< std::string, int >	Kmap_
int	latency_
double	maxval_
double	minval_
std::string	name_
int	nbits_
std::string	op_
VarBase *	p1_
VarBase *	p2_
VarBase *	p3_
int	pipe_counter_
std::vector< int >	pipe_delays_
bool	readytoanalyze_
bool	readytoprint_
int	step_
bool	usedasinput_
double	val_

Additional Inherited Members
Static Public Member Functions inherited from trklet::VarBase
static void	design_print (const std::vector< VarBase * > &v, std::ofstream &fs, HLS)
static void	design_print (const std::vector< VarBase * > &v, std::ofstream &fs, Verilog)
static void	hls_print (const std::vector< VarBase * > &v, std::ofstream &fs)
static std::string	itos (int i)
static std::string	pipe_delay (VarBase *v, int nbits, int delay)
static std::string	pipe_delay_wire (VarBase *v, std::string name_delayed, int nbits, int delay)
static void	verilog_print (const std::vector< VarBase * > &v, std::ofstream &fs)
Static Public Attributes inherited from trklet::VarBase
static struct trklet::VarBase::HLS	hls
static struct trklet::VarBase::Verilog	verilog

Detailed Description

Definition at line 714 of file imath.h.

Constructor & Destructor Documentation

VarShiftround()

trklet::VarShiftround::VarShiftround ( imathGlobals *  globals, std::string  name, VarBase *  p1, int  shift  )

inline

Definition at line 716 of file imath.h.

        : VarBase(globals, name, p1, nullptr, nullptr, 1) {  // latency is one because there is an addition
      op_ = "shiftround";
      shift_ = shift;
 
      nbits_ = p1->nbits() - shift;
      Kmap_ = p1->Kmap();
      K_ = p1->K();
    }

References trklet::VarBase::K(), trklet::VarBase::K_, trklet::VarBase::Kmap(), trklet::VarBase::Kmap_, trklet::VarBase::nbits(), trklet::VarBase::nbits_, trklet::VarBase::op_, trklet::VarBase::p1(), trklet::VarBase::shift(), and shift_.

~VarShiftround()

trklet::VarShiftround::~VarShiftround ( )

overridedefault

Member Function Documentation

local_calculate()

void VarShiftround::local_calculate ( )

overridevirtual

Reimplemented from trklet::VarBase.

Definition at line 164 of file imath_calculate.cc.

                                    {
  fval_ = p1_->fval() * pow(2, -shift_);
  ival_ = p1_->ival();
  if (shift_ > 0)
    ival_ = ((ival_ >> (shift_ - 1)) + 1) >> 1;
  if (shift_ < 0)
    ival_ = ival_ << (-shift_);
}

References trklet::VarBase::fval(), trklet::VarBase::fval_, trklet::VarBase::ival(), trklet::VarBase::ival_, trklet::VarBase::p1_, funct::pow(), and shift_.

print() [1/2]

void VarShiftround::print ( std::ofstream &  fs, HLS  , int  l1 = 0, int  l2 = 0, int  l3 = 0  )

overridevirtual

Reimplemented from trklet::VarBase.

Definition at line 211 of file imath_HLS.cc.

                                                                      {
  assert(p1_);
  assert(l1 == 0);
  assert(l2 == 0);
  assert(l3 == 0);
  std::string n1 = p1_->name();
  std::string o1 = n1;
  if (shift_ == 1)
    o1 = "(" + o1 + "+1)>>1";
  if (shift_ > 1)
    o1 = "( (" + o1 + ">>" + itos(shift_ - 1) + ")+1)>>1";
  if (shift_ < 0)
    o1 = "ap_int<" + itos(nbits_) + ">(" + o1 + ")<<" + itos(-shift_);
 
  std::string t = "const ap_int<" + itos(nbits_) + "> " + name_ + " = " + o1 + ";\n";
  fs << "// " << nbits_ << " bits \t " << kstring() << "\t" << K_ << "\n" << t << ";\n";
}

References cms::cuda::assert(), trklet::VarBase::itos(), trklet::VarBase::K_, trklet::VarBase::kstring(), trklet::VarBase::name(), trklet::VarBase::name_, trklet::VarBase::nbits_, CastorDigiReco::o1, trklet::VarBase::p1_, shift_, AlCaHLTBitMon_QueryRunRegistry::string, and submitPVValidationJobs::t.

print() [2/2]

void VarShiftround::print ( std::ofstream &  fs, Verilog  , int  l1 = 0, int  l2 = 0, int  l3 = 0  )

overridevirtual

Reimplemented from trklet::VarBase.

Definition at line 232 of file imath_Verilog.cc.

                                                                          {
  assert(p1_);
  assert(l2 == 0);
  assert(l3 == 0);
  std::string n1 = p1_->name();
  if (l1 > 0)
    n1 = n1 + "_delay" + itos(l1);
  std::string o1 = n1;
  if (shift_ == 1)
    o1 = "(" + o1 + "+1)>>>1";
  if (shift_ > 1)
    o1 = "( (" + o1 + ">>>" + itos(shift_ - 1) + ")+1)>>>1";
  if (shift_ < 0)
    o1 = o1 + "<<" + itos(-shift_);
 
  std::string t = "reg signed [" + itos(nbits_ - 1) + ":0]" + name_ + ";\n";
  t += "always @(posedge clk) " + name_ + " <= " + o1;
  fs << "// " << nbits_ << " bits \t " << kstring() << "\t" << K_ << "\n" << t << ";\n";
}

References cms::cuda::assert(), trklet::VarBase::itos(), trklet::VarBase::K_, trklet::VarBase::kstring(), trklet::VarBase::name(), trklet::VarBase::name_, trklet::VarBase::nbits_, CastorDigiReco::o1, trklet::VarBase::p1_, shift_, AlCaHLTBitMon_QueryRunRegistry::string, and submitPVValidationJobs::t.

Member Data Documentation

shift_

int trklet::VarShiftround::shift_

protected

Definition at line 732 of file imath.h.

Referenced by local_calculate(), print(), and VarShiftround().