FloatFormat Class Reference

#include <soft_float_cg_ext.hpp>

Public Types
enum	FPRounding { FPRounding_Truncate = 0, FPRounding_NearestEven = 1 }
enum	FPException { FPException_Overflow = 0, FPException_IEEE = 1, FPException_Saturation = 2 }

Public Member Functions
	FloatFormat (uint8_t _exp_bits, uint8_t _frac_bits, int32_t _exp_bias, FPRounding _rounding_mode=FPRounding_NearestEven, FPException _exception_mode=FPException_IEEE, bool _has_one=true, bool _has_subnorm=false, bit_lattice _sign=bit_lattice::U)
bool	operator== (const FloatFormat &other) const
bool	operator!= (const FloatFormat &other) const
bool	ieee_format () const
std::string	ToString () const

Static Public Member Functions
static FloatFormatRef	FromString (std::string ff_str)

Data Fields
uint8_t	exp_bits
uint8_t	frac_bits
int32_t	exp_bias
FPRounding	rounding_mode
FPException	exception_mode
bool	has_one
bool	has_subnorm
bit_lattice	sign

Detailed Description

Definition at line 240 of file soft_float_cg_ext.hpp.

Member Enumeration Documentation

FPException

enum FloatFormat::FPException

Enumerator
FPException_Overflow
FPException_IEEE
FPException_Saturation

Definition at line 249 of file soft_float_cg_ext.hpp.

FPRounding

enum FloatFormat::FPRounding

Enumerator
FPRounding_Truncate
FPRounding_NearestEven

Definition at line 243 of file soft_float_cg_ext.hpp.

Constructor & Destructor Documentation

FloatFormat()

FloatFormat::FloatFormat	(	uint8_t	_exp_bits,
		uint8_t	_frac_bits,
		int32_t	_exp_bias,
		FPRounding	_rounding_mode = FPRounding_NearestEven,
		FPException	_exception_mode = FPException_IEEE,
		bool	_has_one = true,
		bool	_has_subnorm = false,
		bit_lattice	_sign = bit_lattice::U
	)

Definition at line 2704 of file soft_float_cg_ext.cpp.

Referenced by FromString().

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Member Function Documentation

FromString()

FloatFormatRef FloatFormat::FromString ( std::string  ff_str )

static

Definition at line 2801 of file soft_float_cg_ext.cpp.

References FloatFormat(), FP_FORMAT_BIAS, FP_FORMAT_EXC, FP_FORMAT_EXP, FP_FORMAT_RND, FP_FORMAT_SIG, FP_FORMAT_SIGN, FP_FORMAT_SPEC, FPException_IEEE, FPException_Overflow, FPException_Saturation, FPRounding_NearestEven, FPRounding_Truncate, ONE, sign, and ZERO.

Referenced by soft_float_cg_ext::soft_float_cg_ext().

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ieee_format()

bool FloatFormat::ieee_format

(

)

const

Definition at line 2731 of file soft_float_cg_ext.cpp.

References exception_mode, exp_bias, exp_bits, FPException_IEEE, FPRounding_NearestEven, frac_bits, has_one, has_subnorm, rounding_mode, sign, and U.

operator!=()

bool FloatFormat::operator!=

(

const FloatFormat &

other

)

const

Definition at line 2724 of file soft_float_cg_ext.cpp.

References exception_mode, exp_bias, exp_bits, frac_bits, has_one, has_subnorm, rounding_mode, and sign.

operator==()

bool FloatFormat::operator==

(

const FloatFormat &

other

)

const

Definition at line 2717 of file soft_float_cg_ext.cpp.

References exception_mode, exp_bias, exp_bits, frac_bits, has_one, has_subnorm, rounding_mode, and sign.

ToString()

std::string FloatFormat::ToString

(

)

const

Definition at line 2739 of file soft_float_cg_ext.cpp.

References abs, exception_mode, exp_bias, exp_bits, FPException_IEEE, FPException_Overflow, FPException_Saturation, FPRounding_NearestEven, FPRounding_Truncate, frac_bits, has_one, has_subnorm, ONE, rounding_mode, sign, U, X, and ZERO.

Field Documentation

exception_mode

FPException FloatFormat::exception_mode

Definition at line 260 of file soft_float_cg_ext.hpp.

Referenced by ieee_format(), operator!=(), operator==(), and ToString().

exp_bias

int32_t FloatFormat::exp_bias

Definition at line 258 of file soft_float_cg_ext.hpp.

Referenced by ieee_format(), operator!=(), operator==(), and ToString().

exp_bits

uint8_t FloatFormat::exp_bits

Definition at line 256 of file soft_float_cg_ext.hpp.

Referenced by ieee_format(), operator!=(), operator==(), and ToString().

frac_bits

uint8_t FloatFormat::frac_bits

Definition at line 257 of file soft_float_cg_ext.hpp.

Referenced by ieee_format(), operator!=(), operator==(), and ToString().

has_one

bool FloatFormat::has_one

Definition at line 261 of file soft_float_cg_ext.hpp.

Referenced by ieee_format(), operator!=(), operator==(), and ToString().

has_subnorm

bool FloatFormat::has_subnorm

Definition at line 262 of file soft_float_cg_ext.hpp.

Referenced by ieee_format(), operator!=(), operator==(), and ToString().

rounding_mode

FPRounding FloatFormat::rounding_mode

Definition at line 259 of file soft_float_cg_ext.hpp.

Referenced by ieee_format(), operator!=(), operator==(), and ToString().

sign

bit_lattice FloatFormat::sign

Definition at line 263 of file soft_float_cg_ext.hpp.

Referenced by FromString(), ieee_format(), operator!=(), operator==(), and ToString().

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

• /workspace/src/frontend_analysis/IR_analysis/soft_float_cg_ext.hpp
• /workspace/src/frontend_analysis/IR_analysis/soft_float_cg_ext.cpp