A class to use LUTs for TRGCDC. More...

#include <JLUT.h>

Collaboration diagram for TRGCDCJLUT:

[legend]

Public Member Functions
	TRGCDCJLUT (const std::string &name="no_name")
	Contructor.

	TRGCDCJLUT (const TRGCDCJLUT &in)
	Copy constructor.

virtual	~TRGCDCJLUT ()
	Destructor.

std::string	name (void) const
	Operators. More...

std::string	version (void) const
	returns version.

void	setData (int inputBitsize, int outputBitSize, const std::string &filename, bool twoscomplement=0)
	set LookUpTable(LUT) data.

void	setFunction (std::function< int(int)> function)
	set LUT function directly using int values.

int	setFloatFunction (std::function< double(double)> function, TRGCDCJSignal const &input, TRGCDCJSignal const &minInv, TRGCDCJSignal const &maxInv, double outputToReal, int lutInputBitwidth, int lutOutputBitwidth)
	set LUT function using JSignals.

void	setOutputFlag (int outputFlag)
	set output flag.

void	setBitsize (int inputBitsize, int outputBitsize)
	set input & output bitsize.

void	setInputBitsize (int inputBitsize)
	set input bitsize.

void	setOutputBitsize (int outputBitsize)
	set output bitsize.

std::string	getFileName () const
	get LUT filename

int	getInputBitsize () const
	get input bitsize

int	getOutputBitsize () const
	get output bitsize

std::function< int(int)>	getFunction ()
	get LUT function using int values.

std::function< double(double)>	getFloatFunction ()
	get LUT function using float values.

int	getOutputFlag () const
	get output type.

int	getOutputType () const
	get output type.

int	getOutput (int) const
	get output using int values.

double	getFloatOutput (double) const
	get output using float values.

void	dump ()
	Print variables for LUT.

void	makeCOE (const std::string &fileName="")
	make COE file.

std::string	operate (std::string out, std::string in, std::map< std::string, std::map< std::string, double > * > &m_intStorage)
	Operate on LUT. (Will be deprecated.)

TRGCDCJSignal const	operate (const TRGCDCJSignal &in, TRGCDCJSignal &out)
	Returns LUT value. Out is LUT value + offset. (LUT value + offset do not obey addition bitsize rules.)

void	operateNoOffset (TRGCDCJSignal const &in, TRGCDCJSignal &out) const
	Output is LUT Out + offset. Input is non offset input.

std::string const	lutVhdlCode (std::string const &shiftOffsetInput) const
	Creates vhdlCode for lut.

Public Attributes
std::vector< double >	m_const
	Storage for values used in function.

Private Attributes
std::string	m_name
	Name.

std::vector< int >	m_data
	LUT data.

std::string	m_fileName
	LUT filename.

std::function< int(int)>	m_function
	LUT function.

std::function< double(double)>	m_floatFunction
	Float LUT function.

int	m_outputFlag
	Flag for output. 0 is from function. 1 is from LUT file.

int	m_inputBitsize
	input bitsize. Number of bits.

int	m_outputBitsize
	output bitsize. Number of bits.

bool	m_write
	VHDL write flag for signals. 1: Write is on. 0: Write is off.

double	m_inputOffset
	Changing float function to int function variables.

double	m_outputOffset
	The float offset of the output for LUT.

double	m_outputIntMax
	The integer offset of the output for LUT.

double	m_inputToReal
	The factor of the input integer to change to float value.

double	m_toReal
	The factor to change integer to float value.

int	m_inputShiftBits
	The number of bits to shift to make input the wanted bit width.

double	m_outputType
	The output type of the LUT. (Will be deprecated.)

double	m_outputNBitsWithOffset
	The output bit width with offset. (Will be deprecated.)

TRGCDCJSignal	m_inputMin
	The minimum input signal.

TRGCDCJSignal	m_inputMax
	The maximum input signal.

TRGCDCJSignal	m_shiftOutputMin
	The minimum output signal that is bit shifted.

TRGCDCJSignal	m_shiftOffsetOutputMax
	The maximum output value that is bit shifted.

TRGCDCJSignal	m_shiftOffsetInput
	The bt shifted offset signal of input.

Detailed Description

A class to use LUTs for TRGCDC.

Definition at line 35 of file JLUT.h.

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

trg/cdc/include/JLUT.h
trg/cdc/src/JLUT.cc

Public Member Functions

Public Attributes

Private Attributes

Detailed Description