sc_dt::scfx_rep Class Reference

#include <scfx_rep.hh>

Public Member Functions
	scfx_rep ()
	scfx_rep (int)
	scfx_rep (unsigned int)
	scfx_rep (long)
	scfx_rep (unsigned long)
	scfx_rep (double)
	scfx_rep (const char *)
	scfx_rep (int64)
	scfx_rep (uint64)
	scfx_rep (const sc_signed &)
	scfx_rep (const sc_unsigned &)
	scfx_rep (const scfx_rep &)
	~scfx_rep ()
void *	operator new (std::size_t)
void	operator delete (void *, std::size_t)
void	from_string (const char *, int)
double	to_double () const
uint64	to_uint64 () const
const char *	to_string (sc_numrep, int, sc_fmt, const scfx_params *=0) const
void	operator= (const scfx_rep &)
void	lshift (int)
void	rshift (int)
void	cast (const scfx_params &, bool &, bool &)
bool	is_neg () const
bool	is_zero () const
bool	is_nan () const
bool	is_inf () const
bool	is_normal () const
void	set_zero (int=1)
void	set_nan ()
void	set_inf (int)
bool	get_bit (int) const
bool	set (int, const scfx_params &)
bool	clear (int, const scfx_params &)
bool	get_slice (int, int, const scfx_params &, sc_bv_base &) const
bool	set_slice (int, int, const scfx_params &, const sc_bv_base &)
void	print (::std::ostream &) const
void	dump (::std::ostream &) const
void	get_type (int &, int &, sc_enc &) const
bool	rounding_flag () const

Private Types
enum	state { normal , infinity , not_a_number }

Private Member Functions
unsigned int	divide_by_ten ()
int	find_lsw () const
int	find_msw () const
void	find_sw ()
void	multiply_by_ten ()
void	normalize (int)
scfx_mant *	resize (int, int) const
void	set_bin (int)
void	set_oct (int, int)
void	set_hex (int, int)
void	shift_left (int)
void	shift_right (int)
const scfx_index	calc_indices (int) const
void	o_extend (const scfx_index &, sc_enc)
bool	o_bit_at (const scfx_index &) const
bool	o_zero_left (const scfx_index &) const
bool	o_zero_right (const scfx_index &) const
void	o_set_low (const scfx_index &, sc_enc)
void	o_set_high (const scfx_index &, const scfx_index &, sc_enc, int=1)
void	o_set (const scfx_index &, const scfx_index &, sc_enc, bool)
void	o_invert (const scfx_index &)
bool	q_bit (const scfx_index &) const
void	q_clear (const scfx_index &)
void	q_incr (const scfx_index &)
bool	q_odd (const scfx_index &) const
bool	q_zero (const scfx_index &) const
void	resize_to (int, int=0)
int	size () const
void	toggle_tc ()
void	quantization (const scfx_params &, bool &)
void	overflow (const scfx_params &, bool &)
void	round (int)

Private Attributes
scfx_mant	m_mant
int	m_wp
int	m_sign
state	m_state
int	m_msw
int	m_lsw
bool	m_r_flag

Friends
void	multiply (scfx_rep &result, const scfx_rep &lhs, const scfx_rep &rhs, int max_wl=SC_DEFAULT_MAX_WL_)
scfx_rep *	neg_scfx_rep (const scfx_rep &a)
scfx_rep *	mult_scfx_rep (const scfx_rep &a, const scfx_rep &b, int max_wl=SC_DEFAULT_MAX_WL_)
scfx_rep *	div_scfx_rep (const scfx_rep &lhs, const scfx_rep &rhs, int div_wl=SC_DEFAULT_DIV_WL_)
scfx_rep *	add_scfx_rep (const scfx_rep &lhs, const scfx_rep &rhs, int max_wl=SC_DEFAULT_MAX_WL_)
scfx_rep *	sub_scfx_rep (const scfx_rep &lhs, const scfx_rep &rhs, int max_wl=SC_DEFAULT_MAX_WL_)
scfx_rep *	lsh_scfx_rep (const scfx_rep &a, int b)
scfx_rep *	rsh_scfx_rep (const scfx_rep &a, int b)
int	cmp_scfx_rep (const scfx_rep &a, const scfx_rep &b)
scfx_rep *	quantization_scfx_rep (const scfx_rep &a, const scfx_params &params, bool &q_flag)
scfx_rep *	overflow_scfx_rep (const scfx_rep &a, const scfx_params &params, bool &o_flag)
void	align (const scfx_rep &lhs, const scfx_rep &rhs, int &new_wp, int &len_mant, scfx_mant_ref &lhs_mant, scfx_mant_ref &rhs_mant)
int	compare_msw (const scfx_rep &, const scfx_rep &)
int	compare_msw_ff (const scfx_rep &lhs, const scfx_rep &rhs)
void	print_dec (scfx_string &s, const scfx_rep &num, int w_prefix, sc_fmt fmt)
void	print_other (scfx_string &s, const scfx_rep &a, sc_numrep numrep, int w_prefix, sc_fmt fmt, const scfx_params *params)
int	compare_abs (const scfx_rep &a, const scfx_rep &b)

Detailed Description

Definition at line 137 of file scfx_rep.hh.

Member Enumeration Documentation

state

enum sc_dt::scfx_rep::state

private

Enumerator
normal
infinity
not_a_number

Definition at line 139 of file scfx_rep.hh.

Constructor & Destructor Documentation

scfx_rep() [1/12]

sc_dt::scfx_rep::scfx_rep

(

)

Definition at line 99 of file scfx_rep.cc.

References set_zero().

scfx_rep() [2/12]

sc_dt::scfx_rep::scfx_rep ( int a )

explicit

Definition at line 106 of file scfx_rep.cc.

References a, sc_dt::scfx_mant::clear(), m_lsw, m_mant, m_msw, m_sign, m_state, m_wp, normal, and set_zero().

scfx_rep() [3/12]

sc_dt::scfx_rep::scfx_rep ( unsigned int a )

explicit

Definition at line 125 of file scfx_rep.cc.

References a, sc_dt::scfx_mant::clear(), m_lsw, m_mant, m_msw, m_sign, m_state, m_wp, normal, and set_zero().

scfx_rep() [4/12]

sc_dt::scfx_rep::scfx_rep ( long a )

explicit

Definition at line 139 of file scfx_rep.cc.

References a, sc_dt::bits_in_word, sc_dt::scfx_mant::clear(), find_sw(), m_lsw, m_mant, m_msw, m_sign, m_state, m_wp, normal, and set_zero().

scfx_rep() [5/12]

sc_dt::scfx_rep::scfx_rep ( unsigned long a )

explicit

Definition at line 168 of file scfx_rep.cc.

References a, sc_dt::bits_in_word, sc_dt::scfx_mant::clear(), find_sw(), m_lsw, m_mant, m_msw, m_sign, m_state, m_wp, normal, and set_zero().

scfx_rep() [6/12]

sc_dt::scfx_rep::scfx_rep ( double a )

explicit

Definition at line 193 of file scfx_rep.cc.

References a, sc_dt::scfx_mant::clear(), infinity, is_inf(), is_nan(), is_normal(), m_mant, m_sign, m_state, sc_dt::mantissa0_size, normalize(), not_a_number, and sc_dt::SCFX_IEEE_DOUBLE_M_SIZE.

scfx_rep() [7/12]

sc_dt::scfx_rep::scfx_rep ( const char * s )

inlineexplicit

Definition at line 313 of file scfx_rep.hh.

References from_string(), and sc_dt::SC_DEFAULT_CTE_WL_.

scfx_rep() [8/12]

sc_dt::scfx_rep::scfx_rep ( int64 a )

explicit

Definition at line 218 of file scfx_rep.cc.

References a, sc_dt::bits_in_word, sc_dt::scfx_mant::clear(), find_sw(), m_mant, m_sign, m_state, m_wp, normal, and set_zero().

scfx_rep() [9/12]

sc_dt::scfx_rep::scfx_rep ( uint64 a )

explicit

Definition at line 241 of file scfx_rep.cc.

References a, sc_dt::bits_in_word, sc_dt::scfx_mant::clear(), find_sw(), m_mant, m_sign, m_state, m_wp, normal, and set_zero().

scfx_rep() [10/12]

sc_dt::scfx_rep::scfx_rep ( const sc_signed & a )

explicit

Definition at line 258 of file scfx_rep.cc.

References a, calc_indices(), sc_dt::scfx_mant::clear(), find_sw(), sc_dt::sc_signed::length(), m_mant, m_sign, m_state, m_wp, sc_dt::n_word(), normal, resize_to(), set_zero(), and size().

scfx_rep() [11/12]

sc_dt::scfx_rep::scfx_rep ( const sc_unsigned & a )

explicit

Definition at line 293 of file scfx_rep.cc.

References a, calc_indices(), sc_dt::scfx_mant::clear(), find_sw(), m_mant, m_sign, m_state, m_wp, sc_dt::n_word(), normal, resize_to(), set_zero(), and size().

scfx_rep() [12/12]

sc_dt::scfx_rep::scfx_rep

(

const scfx_rep &

a

)

Definition at line 318 of file scfx_rep.cc.

~scfx_rep()

sc_dt::scfx_rep::~scfx_rep ( )

inline

Definition at line 321 of file scfx_rep.hh.

Member Function Documentation

calc_indices()

const scfx_index sc_dt::scfx_rep::calc_indices ( int n ) const

inlineprivate

Definition at line 426 of file scfx_rep.hh.

References sc_dt::bits_in_word, and m_wp.

Referenced by clear(), get_bit(), overflow(), quantization(), scfx_rep(), scfx_rep(), and set().

cast()

void sc_dt::scfx_rep::cast	(	const scfx_params &	params,
		bool &	q_flag,
		bool &	o_flag )

Definition at line 2024 of file scfx_rep.cc.

References is_neg(), is_zero(), m_sign, overflow(), and quantization().

Referenced by sc_dt::sc_fxnum::cast().

clear()

bool scfx_rep::clear	(	int	i,
		const scfx_params &	params )

Definition at line 2429 of file scfx_rep.cc.

References calc_indices(), sc_dt::scfx_params::enc(), find_sw(), is_neg(), is_normal(), sc_dt::scfx_params::iwl(), m_mant, o_extend(), resize_to(), size(), and toggle_tc().

Referenced by sc_dt::sc_fxnum::set_bit(), and set_slice().

divide_by_ten()

unsigned int sc_dt::scfx_rep::divide_by_ten ( )

private

Definition at line 2144 of file scfx_rep.cc.

References sc_dt::word_short::l, m_mant, m_msw, m_wp, sc_dt::remainder, and sc_dt::word_short::s.

dump()

void scfx_rep::dump

(

::std::ostream &

os

)

const

Definition at line 2526 of file scfx_rep.cc.

References infinity, m_lsw, m_mant, m_msw, m_sign, m_state, m_wp, normal, not_a_number, and size().

Referenced by sc_dt::sc_fxnum::dump(), and sc_dt::sc_fxval::dump().

find_lsw()

int sc_dt::scfx_rep::find_lsw ( ) const

inlineprivate

Definition at line 687 of file scfx_rep.hh.

References m_mant, and size().

Referenced by find_sw().

find_msw()

int sc_dt::scfx_rep::find_msw ( ) const

inlineprivate

Definition at line 697 of file scfx_rep.hh.

References m_mant, and size().

Referenced by find_sw().

find_sw()

void sc_dt::scfx_rep::find_sw ( )

inlineprivate

Definition at line 707 of file scfx_rep.hh.

References find_lsw(), find_msw(), m_lsw, and m_msw.

Referenced by clear(), from_string(), lshift(), normalize(), overflow(), quantization(), round(), rshift(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), and set().

from_string()

void sc_dt::scfx_rep::from_string	(	const char *	s,
		int	cte_wl )

Definition at line 389 of file scfx_rep.cc.

References sc_dt::bits_in_word, sc_dt::scfx_mant::clear(), sc_dt::complement(), div_scfx_rep, find_sw(), sc_dt::inc(), infinity, m_lsw, m_mant, m_msw, m_sign, m_state, m_wp, sc_dt::min_mant, multiply_by_ten(), sc_dt::n_word(), normal, not_a_number, sc_dt::pow10_fx, resize_to(), sc_dt::SC_BIN, sc_dt::SC_BIN_SM, sc_dt::SC_BIN_US, sc_dt::SC_CSD, sc_dt::SC_DEC, sc_dt::SC_HEX, sc_dt::SC_HEX_SM, sc_dt::SC_HEX_US, sc_dt::sc_max(), sc_dt::SC_OCT, sc_dt::SC_OCT_SM, sc_dt::SC_OCT_US, sc_dt::scfx_csd2tc(), sc_dt::scfx_exp_start(), SCFX_FAIL_IF_, sc_dt::scfx_find_msb(), sc_dt::scfx_is_digit(), sc_dt::scfx_is_inf(), sc_dt::scfx_is_nan(), sc_dt::scfx_parse_prefix(), sc_dt::scfx_parse_sign(), sc_dt::scfx_to_digit(), set_bin(), set_hex(), set_oct(), sc_dt::scfx_mant::size(), and size().

Referenced by scfx_rep().

get_bit()

bool scfx_rep::get_bit

(

int

i

)

const

Definition at line 2360 of file scfx_rep.cc.

References calc_indices(), is_neg(), is_normal(), m_mant, size(), and toggle_tc().

Referenced by sc_dt::sc_fxnum::get_bit(), sc_dt::sc_fxval::get_bit(), get_slice(), and get_type().

get_slice()

bool scfx_rep::get_slice	(	int	i,
		int	j,
		const scfx_params &	,
		sc_bv_base &	bv ) const

Definition at line 2465 of file scfx_rep.cc.

References get_bit(), is_inf(), is_nan(), and sc_dt::sc_bv_base::length().

Referenced by sc_dt::sc_fxnum::get_slice().

get_type()

void scfx_rep::get_type	(	int &	wl,
		int &	iwl,
		sc_enc &	enc ) const

Definition at line 2570 of file scfx_rep.cc.

References sc_dt::bits_in_word, get_bit(), is_inf(), is_nan(), is_neg(), is_zero(), m_lsw, m_mant, m_msw, m_wp, sc_dt::SC_TC_, sc_dt::SC_US_, sc_dt::scfx_find_lsb(), and sc_dt::scfx_find_msb().

Referenced by sc_dt::sc_fxval::get_type().

is_inf()

bool sc_dt::scfx_rep::is_inf ( ) const

inline

Definition at line 390 of file scfx_rep.hh.

References infinity, and m_state.

Referenced by get_slice(), get_type(), sc_dt::sc_fxval::is_inf(), round(), scfx_rep(), set_slice(), to_double(), and to_string().

is_nan()

bool sc_dt::scfx_rep::is_nan ( ) const

inline

Definition at line 388 of file scfx_rep.hh.

References m_state, and not_a_number.

Referenced by get_slice(), get_type(), sc_dt::sc_fxval::is_nan(), round(), scfx_rep(), set_slice(), to_double(), and to_string().

is_neg()

bool sc_dt::scfx_rep::is_neg ( ) const

inline

Definition at line 372 of file scfx_rep.hh.

References m_sign.

Referenced by cast(), clear(), get_bit(), get_type(), sc_dt::sc_fxnum::is_neg(), sc_dt::sc_fxval::is_neg(), overflow(), quantization(), set(), to_string(), and toggle_tc().

is_normal()

bool sc_dt::scfx_rep::is_normal ( ) const

inline

Definition at line 392 of file scfx_rep.hh.

References m_state, and normal.

Referenced by sc_dt::sc_fxnum::cast(), clear(), get_bit(), sc_dt::sc_fxnum::is_normal(), sc_dt::sc_fxval::is_normal(), lshift(), rshift(), scfx_rep(), set(), and to_uint64().

is_zero()

bool sc_dt::scfx_rep::is_zero ( ) const

inline

Definition at line 375 of file scfx_rep.hh.

References m_mant, m_state, normal, and size().

Referenced by cast(), get_type(), sc_dt::sc_fxnum::is_zero(), sc_dt::sc_fxval::is_zero(), overflow(), round(), to_double(), to_string(), and to_uint64().

lshift()

void sc_dt::scfx_rep::lshift

(

int

n

)

Definition at line 1593 of file scfx_rep.cc.

References sc_dt::bits_in_word, find_sw(), is_normal(), m_mant, m_msw, m_wp, resize_to(), rshift(), sc_dt::scfx_find_msb(), shift_left(), and size().

Referenced by rshift().

multiply_by_ten()

void scfx_rep::multiply_by_ten ( )

private

Definition at line 2178 of file scfx_rep.cc.

References sc_dt::add_mants(), sc_dt::bits_in_word, m_mant, sc_dt::scfx_mant::size(), and size().

Referenced by from_string().

normalize()

void scfx_rep::normalize ( int exponent )

private

Definition at line 2209 of file scfx_rep.cc.

References sc_dt::bits_in_word, find_sw(), m_wp, and shift_left().

Referenced by scfx_rep().

o_bit_at()

bool sc_dt::scfx_rep::o_bit_at ( const scfx_index & x ) const

inlineprivate

Definition at line 463 of file scfx_rep.hh.

References m_mant, SC_ASSERT_, and size().

Referenced by overflow().

o_extend()

void sc_dt::scfx_rep::o_extend ( const scfx_index & x, sc_enc enc )

inlineprivate

Definition at line 440 of file scfx_rep.hh.

References sc_dt::bits_in_word, m_mant, m_sign, SC_ASSERT_, sc_dt::SC_US_, and size().

Referenced by clear(), overflow(), and set().

o_invert()

void sc_dt::scfx_rep::o_invert ( const scfx_index & x2 )

inlineprivate

Definition at line 590 of file scfx_rep.hh.

References sc_dt::scfx_index::bi(), m_mant, size(), and sc_dt::scfx_index::wi().

Referenced by overflow().

o_set()

void sc_dt::scfx_rep::o_set ( const scfx_index & x, const scfx_index & x3, sc_enc enc, bool under )

inlineprivate

Definition at line 557 of file scfx_rep.hh.

References sc_dt::scfx_index::bi(), sc_dt::bits_in_word, m_mant, SC_ASSERT_, sc_dt::SC_TC_, size(), and sc_dt::scfx_index::wi().

Referenced by overflow().

o_set_high()

void sc_dt::scfx_rep::o_set_high ( const scfx_index & x, const scfx_index & x2, sc_enc enc, int sign = 1 )

inlineprivate

Definition at line 524 of file scfx_rep.hh.

References sc_dt::scfx_index::bi(), m_mant, m_sign, SC_ASSERT_, sc_dt::SC_TC_, size(), and sc_dt::scfx_index::wi().

Referenced by overflow().

o_set_low()

void sc_dt::scfx_rep::o_set_low ( const scfx_index & x, sc_enc enc )

inlineprivate

Definition at line 506 of file scfx_rep.hh.

References sc_dt::scfx_mant::clear(), m_mant, m_sign, SC_ASSERT_, sc_dt::SC_TC_, and size().

Referenced by overflow().

o_zero_left()

bool sc_dt::scfx_rep::o_zero_left ( const scfx_index & x ) const

inlineprivate

Definition at line 474 of file scfx_rep.hh.

References sc_dt::bits_in_word, m_mant, SC_ASSERT_, and size().

Referenced by overflow().

o_zero_right()

bool sc_dt::scfx_rep::o_zero_right ( const scfx_index & x ) const

inlineprivate

Definition at line 491 of file scfx_rep.hh.

References m_mant, SC_ASSERT_, and size().

Referenced by overflow().

operator delete()

void sc_dt::scfx_rep::operator delete	(	void *	ptr,
		std::size_t	size )

Definition at line 360 of file scfx_rep.cc.

References sc_dt::list, and sc_dt::scfx_rep_node::next.

operator new()

void * sc_dt::scfx_rep::operator new

(

std::size_t

size

)

Definition at line 339 of file scfx_rep.cc.

References sc_dt::scfx_rep_node::data, sc_dt::list, and sc_dt::scfx_rep_node::next.

operator=()

void sc_dt::scfx_rep::operator= ( const scfx_rep & f )

inline

Definition at line 325 of file scfx_rep.hh.

References f(), m_lsw, m_mant, m_msw, m_sign, m_state, m_wp, round(), and sc_dt::SC_DEFAULT_MAX_WL_.

overflow()

void sc_dt::scfx_rep::overflow ( const scfx_params & params, bool & o_flag )

private

Definition at line 1863 of file scfx_rep.cc.

References calc_indices(), sc_dt::scfx_params::enc(), find_sw(), is_neg(), is_zero(), sc_dt::scfx_params::iwl(), sc_dt::scfx_params::n_bits(), o_bit_at(), o_extend(), o_invert(), sc_dt::scfx_params::o_mode(), o_set(), o_set_high(), o_set_low(), o_zero_left(), o_zero_right(), resize_to(), SC_ERROR_IF_, sc_core::SC_ID_WRAP_SM_NOT_DEFINED_, sc_dt::SC_SAT, sc_dt::SC_SAT_SYM, sc_dt::SC_SAT_ZERO, sc_dt::SC_TC_, sc_dt::SC_US_, sc_dt::SC_WRAP, sc_dt::SC_WRAP_SM, set_zero(), size(), toggle_tc(), sc_dt::scfx_index::wi(), and sc_dt::scfx_params::wl().

Referenced by cast().

print()

void scfx_rep::print

(

::std::ostream &

os

)

const

Definition at line 2515 of file scfx_rep.cc.

References to_string().

Referenced by sc_dt::sc_fxval::print().

q_bit()

bool sc_dt::scfx_rep::q_bit ( const scfx_index & x ) const

inlineprivate

Definition at line 601 of file scfx_rep.hh.

References sc_dt::bits_in_word, m_mant, SC_ASSERT_, and size().

Referenced by quantization(), and round().

q_clear()

void sc_dt::scfx_rep::q_clear ( const scfx_index & x )

inlineprivate

Definition at line 617 of file scfx_rep.hh.

References m_mant, SC_ASSERT_, and size().

Referenced by quantization(), and round().

q_incr()

void sc_dt::scfx_rep::q_incr ( const scfx_index & x )

inlineprivate

Definition at line 630 of file scfx_rep.hh.

References m_mant, resize_to(), SC_ASSERT_, and size().

Referenced by quantization(), and round().

q_odd()

bool sc_dt::scfx_rep::q_odd ( const scfx_index & x ) const

inlineprivate

Definition at line 651 of file scfx_rep.hh.

References m_mant, SC_ASSERT_, and size().

Referenced by quantization(), and round().

q_zero()

bool sc_dt::scfx_rep::q_zero ( const scfx_index & x ) const

inlineprivate

Definition at line 662 of file scfx_rep.hh.

References sc_dt::bits_in_word, m_mant, SC_ASSERT_, and size().

Referenced by quantization(), and round().

quantization()

void sc_dt::scfx_rep::quantization ( const scfx_params & params, bool & q_flag )

private

Definition at line 1779 of file scfx_rep.cc.

References calc_indices(), find_sw(), is_neg(), sc_dt::scfx_params::iwl(), q_bit(), q_clear(), q_incr(), sc_dt::scfx_params::q_mode(), q_odd(), q_zero(), resize_to(), sc_dt::SC_RND, sc_dt::SC_RND_CONV, sc_dt::SC_RND_INF, sc_dt::SC_RND_MIN_INF, sc_dt::SC_RND_ZERO, sc_dt::SC_TRN, sc_dt::SC_TRN_ZERO, size(), and sc_dt::scfx_params::wl().

Referenced by cast().

resize()

scfx_mant * scfx_rep::resize ( int new_size, int new_wp ) const

private

Definition at line 2231 of file scfx_rep.cc.

References sc_dt::scfx_mant::clear(), m_lsw, m_mant, m_msw, and m_wp.

resize_to()

void sc_dt::scfx_rep::resize_to ( int new_size, int restore = 0 )

inlineprivate

Definition at line 414 of file scfx_rep.hh.

References m_lsw, m_mant, m_msw, m_wp, sc_dt::scfx_mant::resize_to(), and size().

Referenced by clear(), from_string(), lshift(), overflow(), q_incr(), quantization(), rshift(), scfx_rep(), scfx_rep(), and set().

round()

void scfx_rep::round ( int wl )

private

Definition at line 2614 of file scfx_rep.cc.

References sc_dt::bits_in_word, find_sw(), is_inf(), is_nan(), is_zero(), m_lsw, m_mant, m_msw, m_r_flag, q_bit(), q_clear(), q_incr(), q_odd(), q_zero(), sc_dt::scfx_find_lsb(), and sc_dt::scfx_find_msb().

Referenced by operator=().

rounding_flag()

bool sc_dt::scfx_rep::rounding_flag ( ) const

inline

Definition at line 411 of file scfx_rep.hh.

References m_r_flag.

Referenced by sc_dt::sc_fxval::rounding_flag().

rshift()

void sc_dt::scfx_rep::rshift

(

int

n

)

Definition at line 1624 of file scfx_rep.cc.

References sc_dt::bits_in_word, find_sw(), is_normal(), lshift(), m_lsw, m_mant, m_wp, resize_to(), sc_dt::scfx_find_lsb(), shift_right(), and size().

Referenced by lshift().

set()

bool scfx_rep::set	(	int	i,
		const scfx_params &	params )

Definition at line 2390 of file scfx_rep.cc.

References calc_indices(), sc_dt::scfx_params::enc(), find_sw(), is_neg(), is_normal(), sc_dt::scfx_params::iwl(), m_mant, o_extend(), resize_to(), size(), and toggle_tc().

Referenced by sc_dt::sc_fxnum::set_bit(), and set_slice().

set_bin()

void scfx_rep::set_bin ( int i )

private

Definition at line 2252 of file scfx_rep.cc.

References m_mant.

Referenced by from_string().

set_hex()

void scfx_rep::set_hex ( int i, int n )

private

Definition at line 2284 of file scfx_rep.cc.

References m_mant.

Referenced by from_string().

set_inf()

void sc_dt::scfx_rep::set_inf ( int sign )

inline

Definition at line 305 of file scfx_rep.hh.

References infinity, m_mant, m_sign, m_state, sc_dt::min_mant, and sc_dt::scfx_mant::resize_to().

set_nan()

void sc_dt::scfx_rep::set_nan ( )

inline

Definition at line 298 of file scfx_rep.hh.

References m_mant, m_state, sc_dt::min_mant, not_a_number, and sc_dt::scfx_mant::resize_to().

Referenced by sc_dt::scfx_pow10::scfx_pow10().

set_oct()

void scfx_rep::set_oct ( int i, int n )

private

Definition at line 2263 of file scfx_rep.cc.

References m_mant.

Referenced by from_string().

set_slice()

bool scfx_rep::set_slice	(	int	i,
		int	j,
		const scfx_params &	params,
		const sc_bv_base &	bv )

Definition at line 2486 of file scfx_rep.cc.

References clear(), is_inf(), is_nan(), sc_dt::sc_bv_base::length(), and set().

Referenced by sc_dt::sc_fxnum::set_slice().

set_zero()

void sc_dt::scfx_rep::set_zero ( int sign = 1 )

inline

Definition at line 289 of file scfx_rep.hh.

References sc_dt::scfx_mant::clear(), m_lsw, m_mant, m_msw, m_sign, m_state, m_wp, and normal.

Referenced by overflow(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), and scfx_rep().

shift_left()

void scfx_rep::shift_left ( int n )

private

Definition at line 2311 of file scfx_rep.cc.

References sc_dt::bits_in_word, m_mant, SC_ASSERT_, shift_left(), shift_right(), and size().

Referenced by lshift(), normalize(), shift_left(), and shift_right().

shift_right()

void scfx_rep::shift_right ( int n )

private

Definition at line 2336 of file scfx_rep.cc.

References sc_dt::bits_in_word, m_mant, SC_ASSERT_, shift_left(), shift_right(), and size().

Referenced by rshift(), shift_left(), and shift_right().

size()

int sc_dt::scfx_rep::size ( ) const

inlineprivate

Definition at line 370 of file scfx_rep.hh.

References m_mant, and sc_dt::scfx_mant::size().

Referenced by clear(), dump(), find_lsw(), find_msw(), from_string(), get_bit(), is_zero(), lshift(), multiply_by_ten(), o_bit_at(), o_extend(), o_invert(), o_set(), o_set_high(), o_set_low(), o_zero_left(), o_zero_right(), overflow(), q_bit(), q_clear(), q_incr(), q_odd(), q_zero(), quantization(), resize_to(), rshift(), scfx_rep(), scfx_rep(), set(), shift_left(), and shift_right().

to_double()

double sc_dt::scfx_rep::to_double

(

)

const

Definition at line 722 of file scfx_rep.cc.

References sc_dt::bits_in_word, is_inf(), is_nan(), is_zero(), m_lsw, m_mant, m_msw, m_sign, m_wp, sc_dt::mantissa0_size, sc_dt::scfx_find_msb(), sc_dt::SCFX_IEEE_DOUBLE_E_MAX, sc_dt::SCFX_IEEE_DOUBLE_E_MIN, sc_dt::SCFX_IEEE_DOUBLE_M_SIZE, and sc_dt::scfx_pow2().

Referenced by sc_dt::sc_fxnum::operator double(), sc_dt::sc_fxval::operator double(), sc_dt::sc_fxnum::to_double(), sc_dt::sc_fxval::to_double(), sc_dt::sc_fxnum::to_float(), and sc_dt::sc_fxval::to_float().

to_string()

const char * sc_dt::scfx_rep::to_string	(	sc_numrep	numrep,
		int	w_prefix,
		sc_fmt	fmt,
		const scfx_params *	params = 0 ) const

Definition at line 1140 of file scfx_rep.cc.

References is_inf(), is_nan(), is_neg(), is_zero(), sc_dt::print_dec(), sc_dt::print_other(), sc_dt::scfx_print_inf(), and sc_dt::scfx_print_nan().

Referenced by sc_dt::sc_fxnum::print(), print(), sc_dt::sc_fxnum::to_bin(), sc_dt::sc_fxval::to_bin(), sc_dt::sc_fxnum::to_dec(), sc_dt::sc_fxval::to_dec(), sc_dt::sc_fxnum::to_hex(), sc_dt::sc_fxval::to_hex(), sc_dt::sc_fxnum::to_oct(), sc_dt::sc_fxval::to_oct(), sc_dt::sc_fxnum::to_string(), sc_dt::sc_fxnum::to_string(), sc_dt::sc_fxnum::to_string(), sc_dt::sc_fxnum::to_string(), sc_dt::sc_fxnum::to_string(), sc_dt::sc_fxnum::to_string(), sc_dt::sc_fxval::to_string(), sc_dt::sc_fxval::to_string(), sc_dt::sc_fxval::to_string(), sc_dt::sc_fxval::to_string(), sc_dt::sc_fxval::to_string(), and sc_dt::sc_fxval::to_string().

to_uint64()

uint64 sc_dt::scfx_rep::to_uint64

(

)

const

Definition at line 834 of file scfx_rep.cc.

References sc_dt::bits_in_word, is_normal(), is_zero(), m_lsw, m_mant, m_sign, and m_wp.

Referenced by sc_dt::sc_fxnum::to_int(), sc_dt::sc_fxval::to_int(), sc_dt::sc_fxnum::to_int64(), sc_dt::sc_fxval::to_int64(), sc_dt::sc_fxnum::to_long(), sc_dt::sc_fxval::to_long(), sc_dt::sc_fxnum::to_short(), sc_dt::sc_fxval::to_short(), sc_dt::sc_fxnum::to_uint(), sc_dt::sc_fxval::to_uint(), sc_dt::sc_fxnum::to_uint64(), sc_dt::sc_fxval::to_uint64(), sc_dt::sc_fxnum::to_ulong(), sc_dt::sc_fxval::to_ulong(), sc_dt::sc_fxnum::to_ushort(), and sc_dt::sc_fxval::to_ushort().

toggle_tc()

void sc_dt::scfx_rep::toggle_tc ( )

inlineprivate

Definition at line 714 of file scfx_rep.hh.

References sc_dt::complement(), sc_dt::inc(), is_neg(), m_mant, and sc_dt::scfx_mant::size().

Referenced by clear(), get_bit(), overflow(), and set().

Friends And Related Symbol Documentation

add_scfx_rep

scfx_rep * add_scfx_rep ( const scfx_rep & lhs, const scfx_rep & rhs, int max_wl = SC_DEFAULT_MAX_WL_ )

friend

Definition at line 1217 of file scfx_rep.cc.

align

void align ( const scfx_rep & lhs, const scfx_rep & rhs, int & new_wp, int & len_mant, scfx_mant_ref & lhs_mant, scfx_mant_ref & rhs_mant )

friend

Definition at line 2051 of file scfx_rep.cc.

cmp_scfx_rep

int cmp_scfx_rep ( const scfx_rep & a, const scfx_rep & b )

friend

Definition at line 1726 of file scfx_rep.cc.

compare_abs

int compare_abs ( const scfx_rep & a, const scfx_rep & b )

friend

Definition at line 1657 of file scfx_rep.cc.

compare_msw

int compare_msw ( const scfx_rep & , const scfx_rep &  )

friend

compare_msw_ff

int compare_msw_ff ( const scfx_rep & lhs, const scfx_rep & rhs )

friend

Definition at line 2095 of file scfx_rep.cc.

div_scfx_rep

scfx_rep * div_scfx_rep ( const scfx_rep & lhs, const scfx_rep & rhs, int div_wl = SC_DEFAULT_DIV_WL_ )

friend

Definition at line 1495 of file scfx_rep.cc.

Referenced by from_string().

lsh_scfx_rep

scfx_rep * lsh_scfx_rep ( const scfx_rep & a, int b )

friend

Definition at line 355 of file scfx_rep.hh.

mult_scfx_rep

scfx_rep * mult_scfx_rep ( const scfx_rep & a, const scfx_rep & b, int max_wl = SC_DEFAULT_MAX_WL_ )

friend

Definition at line 347 of file scfx_rep.hh.

multiply

void multiply ( scfx_rep & result, const scfx_rep & lhs, const scfx_rep & rhs, int max_wl = SC_DEFAULT_MAX_WL_ )

friend

Definition at line 1420 of file scfx_rep.cc.

neg_scfx_rep

scfx_rep * neg_scfx_rep ( const scfx_rep & a )

friend

Definition at line 339 of file scfx_rep.hh.

overflow_scfx_rep

scfx_rep * overflow_scfx_rep ( const scfx_rep & a, const scfx_params & params, bool & o_flag )

friend

Definition at line 404 of file scfx_rep.hh.

print_dec

void print_dec ( scfx_string & s, const scfx_rep & num, int w_prefix, sc_fmt fmt )

friend

Definition at line 863 of file scfx_rep.cc.

print_other

void print_other ( scfx_string & s, const scfx_rep & a, sc_numrep numrep, int w_prefix, sc_fmt fmt, const scfx_params * params )

friend

Definition at line 987 of file scfx_rep.cc.

quantization_scfx_rep

scfx_rep * quantization_scfx_rep ( const scfx_rep & a, const scfx_params & params, bool & q_flag )

friend

Definition at line 395 of file scfx_rep.hh.

rsh_scfx_rep

scfx_rep * rsh_scfx_rep ( const scfx_rep & a, int b )

friend

Definition at line 363 of file scfx_rep.hh.

sub_scfx_rep

scfx_rep * sub_scfx_rep ( const scfx_rep & lhs, const scfx_rep & rhs, int max_wl = SC_DEFAULT_MAX_WL_ )

friend

Definition at line 1326 of file scfx_rep.cc.

Member Data Documentation

m_lsw

int sc_dt::scfx_rep::m_lsw

private

Definition at line 281 of file scfx_rep.hh.

Referenced by dump(), find_sw(), from_string(), get_type(), operator=(), resize(), resize_to(), round(), rshift(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), set_zero(), to_double(), and to_uint64().

m_mant

scfx_mant sc_dt::scfx_rep::m_mant

private

Definition at line 276 of file scfx_rep.hh.

Referenced by clear(), divide_by_ten(), dump(), find_lsw(), find_msw(), from_string(), get_bit(), get_type(), is_zero(), lshift(), multiply_by_ten(), o_bit_at(), o_extend(), o_invert(), o_set(), o_set_high(), o_set_low(), o_zero_left(), o_zero_right(), operator=(), q_bit(), q_clear(), q_incr(), q_odd(), q_zero(), resize(), resize_to(), round(), rshift(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), set(), set_bin(), set_hex(), set_inf(), set_nan(), set_oct(), set_zero(), shift_left(), shift_right(), size(), to_double(), to_uint64(), and toggle_tc().

m_msw

int sc_dt::scfx_rep::m_msw

private

Definition at line 280 of file scfx_rep.hh.

Referenced by divide_by_ten(), dump(), find_sw(), from_string(), get_type(), lshift(), operator=(), resize(), resize_to(), round(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), set_zero(), and to_double().

m_r_flag

bool sc_dt::scfx_rep::m_r_flag

private

Definition at line 282 of file scfx_rep.hh.

Referenced by round(), and rounding_flag().

m_sign

int sc_dt::scfx_rep::m_sign

private

Definition at line 278 of file scfx_rep.hh.

Referenced by cast(), dump(), from_string(), is_neg(), o_extend(), o_set_high(), o_set_low(), operator=(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), set_inf(), set_zero(), to_double(), and to_uint64().

m_state

state sc_dt::scfx_rep::m_state

private

Definition at line 279 of file scfx_rep.hh.

Referenced by dump(), from_string(), is_inf(), is_nan(), is_normal(), is_zero(), operator=(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), set_inf(), set_nan(), and set_zero().

m_wp

int sc_dt::scfx_rep::m_wp

private

Definition at line 277 of file scfx_rep.hh.

Referenced by calc_indices(), divide_by_ten(), dump(), from_string(), get_type(), lshift(), normalize(), operator=(), resize(), resize_to(), rshift(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), scfx_rep(), set_zero(), to_double(), and to_uint64().

---

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

• systemc/ext/dt/fx/scfx_rep.hh
• systemc/dt/fx/scfx_rep.cc