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itpp::CFix Class Reference

Complex fixed-point data type. More...

#include <itpp/fixed/cfix.h>

Inheritance diagram for itpp::CFix:
itpp::Fix_Base itpp::CFixed< w, e, o, q >

Public Member Functions

 CFix (double r=0.0, double i=0.0, int s=0, int w=MAX_WORDLEN, e_mode e=TC, o_mode o=WRAP, q_mode q=TRN, Stat *ptr=0)
 Default constructor.
 
 CFix (std::complex< double > x, double, int s=0, int w=MAX_WORDLEN, e_mode e=TC, o_mode o=WRAP, q_mode q=TRN, Stat *ptr=0)
 Constructor.
 
 CFix (const Fix_Factory &f)
 Constructor.
 
 CFix (fixrep r, fixrep i, int s, int, int)
 Constructor for internal use. No restrictions are applied. The dummies help to avoid ambiguities.
 
 CFix (const Fix &r, const Fix &i=0.0, int w=MAX_WORDLEN, e_mode e=TC, o_mode o=WRAP, q_mode q=TRN, Stat *ptr=0)
 Constructor.
 
 CFix (const CFix &x, double, int w=MAX_WORDLEN, e_mode e=TC, o_mode o=WRAP, q_mode q=TRN, Stat *ptr=0)
 Copy constructor.
 
virtual ~CFix ()
 Destructor.
 
CFixoperator= (const CFix &x)
 Assignment from CFix.
 
CFixoperator= (const Fix &x)
 Assignment from Fix.
 
CFixoperator= (const std::complex< double > &x)
 Assignment from std::complex<double>. Fractional part is truncated.
 
CFixoperator= (const int x)
 Assignment from int.
 
CFixoperator+= (const CFix &x)
 Addition of CFix.
 
CFixoperator+= (const Fix &x)
 Addition of Fix.
 
CFixoperator+= (const int x)
 Addition of int.
 
CFixoperator-= (const CFix &x)
 Subtraction of CFix.
 
CFixoperator-= (const Fix &x)
 Subtraction of Fix.
 
CFixoperator-= (const int x)
 Subtraction of int.
 
CFixoperator*= (const CFix &x)
 Multiplication with CFix. Temporary variables use the maximum word length (64 bits)
 
CFixoperator*= (const Fix &x)
 Multiplication with Fix. Temporary variables use the maximum word length (64 bits)
 
CFixoperator*= (const int x)
 Multiplication with int. Temporary variables use the maximum word length (64 bits)
 
CFixoperator/= (const CFix &x)
 Division with CFix using quantization mode TRN. Temporary variables use the maximum word length (64 bits)
 
CFixoperator/= (const Fix &x)
 Division with Fix using quantization mode TRN. Temporary variables use the maximum word length (64 bits)
 
CFixoperator/= (const int x)
 Division with int using quantization mode TRN. Temporary variables use the maximum word length (64 bits)
 
CFix operator- () const
 Unary negative of CFix.
 
CFixoperator<<= (const int n)
 Left shift n bits.
 
CFixoperator>>= (const int n)
 Right shift n bits using quantization mode qmode (constructor argument)
 
void set (double real, double imag, int n)
 Set to (real + i*imag) * pow2(n) using quantization mode qmode (constructor argument)
 
void set (double real, double imag, int n, q_mode q)
 Set to (real + i*imag) * pow2(n) using quantization mode q (function argument)
 
void set (const std::complex< double > &x, int n)
 Set to x * pow2(n) using quantization mode qmode (constructor argument)
 
void set (const std::complex< double > &x, int n, q_mode q)
 Set to x * pow2(n) using quantization mode q (function argument)
 
void set_re (fixrep x)
 Set data representation for real part (mainly for internal use since it reveals the representation type)
 
void set_im (fixrep x)
 Set data representation for imaginary part (mainly for internal use since it reveals the representation type)
 
void lshift (int n)
 Left shift n bits.
 
void rshift (int n)
 Right shift n bits using quantization mode qmode (constructor argument)
 
void rshift (int n, q_mode q)
 Right shift n bits using quantization mode q (function argument)
 
virtual void print () const
 Print restrictions.
 
fixrep get_re () const
 Get data representation for real part (mainly for internal use since it reveals the representation type)
 
fixrep get_im () const
 Get data representation for imaginary part (mainly for internal use since it reveals the representation type)
 
std::complex< doubleunfix () const
 Conversion to std::complex<double>
 
 operator std::complex< double > () const
 Conversion to std::complex<double>
 
void set_shift (int s)
 Set shift (without shifting)
 
int get_shift () const
 Get shift.
 
int get_wordlen () const
 Get word length.
 
e_mode get_e_mode () const
 Get sign encoding mode.
 
o_mode get_o_mode () const
 Get overflow mode.
 
q_mode get_q_mode () const
 Get quantization mode.
 
output_mode get_output_mode () const
 Get output mode.
 
fixrep get_max () const
 Get maximum value of data representation.
 
fixrep get_min () const
 Get minimum value of data representation.
 

Static Public Member Functions

static void set_output_mode (output_mode o)
 Set output mode to OUTPUT_FIX, OUTPUT_FIX_SHIFT, OUTPUT_FLOAT or OUTPUT_FLOAT_SHIFT. Static member function.
 
static void set_output_mode (std::string o)
 Set output mode to "OUTPUT_FIX", "OUTPUT_FIX_SHIFT", "OUTPUT_FLOAT" or "OUTPUT_FLOAT_SHIFT". Static member function.
 

Protected Member Functions

void init ()
 Calculate help variables min, max and n_unused_bits.
 
fixrep apply_o_mode (fixrep x) const
 Handle overflows using overflow mode omode and make call to statistics object (if any)
 
fixrep scale_and_apply_modes (double x) const
 Convert from double to fixrep using shift and quantization mode qmode, then call limit()
 
fixrep scale_and_apply_modes (double x, q_mode q) const
 Convert from double to fixrep using shift and quantization mode q, then call limit()
 
fixrep rshift_and_apply_q_mode (fixrep x, int n) const
 Right shift n bits using quantization mode qmode and make call to statistics object (if any)
 
fixrep rshift_and_apply_q_mode (fixrep x, int n, q_mode q) const
 Right shift n bits using quantization mode q and make call to statistics object (if any)
 

Protected Attributes

fixrep re
 Real data part.
 
fixrep im
 Imaginary data part.
 
int shift
 Accumulated bitshift (positive means left-shifted, negative means right-shifted)
 
int wordlen
 Word length.
 
e_mode emode
 Sign encoding mode.
 
o_mode omode
 Overflow mode.
 
q_mode qmode
 Quantization mode.
 
Statstat_ptr
 Pointer to statistics object.
 
fixrep min
 Minimum allowed value (help variable to speed up calculations)
 
fixrep max
 Maximum allowed value (help variable to speed up calculations)
 
int n_unused_bits
 Number of unused (MSB) bits (help variable to speed up calculations)
 

Friends

template<int , e_mode , o_mode , q_mode >
class CFixed
 
ITPP_EXPORT int assert_shifts (const CFix &x, const CFix &y)
 Check that x.shift==y.shift OR x==0 OR y==0 and return the shift (for the non-zero argument)
 
ITPP_EXPORT int assert_shifts (const CFix &x, const Fix &y)
 Check that x.shift==y.shift OR x==0 OR y==0 and return the shift (for the non-zero argument)
 
ITPP_EXPORT int assert_shifts (const CFix &x, int y)
 Check that x.shift==0 OR x==0 OR y==0 and return x.shift.
 

Detailed Description

Complex fixed-point data type.

See the Detailed Description in the Fixed-point Module module.

Definition at line 51 of file cfix.h.

Constructor & Destructor Documentation

◆ CFix() [1/6]

itpp::CFix::CFix ( double  r = 0.0,
double  i = 0.0,
int  s = 0,
int  w = MAX_WORDLEN,
e_mode  e = TC,
o_mode  o = WRAP,
q_mode  q = TRN,
Stat ptr = 0 
)
inline

Default constructor.

Definition at line 56 of file cfix.h.

◆ CFix() [2/6]

itpp::CFix::CFix ( std::complex< double x,
double  ,
int  s = 0,
int  w = MAX_WORDLEN,
e_mode  e = TC,
o_mode  o = WRAP,
q_mode  q = TRN,
Stat ptr = 0 
)
inline

Constructor.

Definition at line 59 of file cfix.h.

◆ CFix() [3/6]

itpp::CFix::CFix ( const Fix_Factory f)
inlineexplicit

Constructor.

Definition at line 62 of file cfix.h.

◆ CFix() [4/6]

itpp::CFix::CFix ( fixrep  r,
fixrep  i,
int  s,
int  ,
int   
)
inline

Constructor for internal use. No restrictions are applied. The dummies help to avoid ambiguities.

Definition at line 65 of file cfix.h.

◆ CFix() [5/6]

itpp::CFix::CFix ( const Fix r,
const Fix i = 0.0,
int  w = MAX_WORDLEN,
e_mode  e = TC,
o_mode  o = WRAP,
q_mode  q = TRN,
Stat ptr = 0 
)
inline

Constructor.

Definition at line 68 of file cfix.h.

◆ CFix() [6/6]

itpp::CFix::CFix ( const CFix x,
double  ,
int  w = MAX_WORDLEN,
e_mode  e = TC,
o_mode  o = WRAP,
q_mode  q = TRN,
Stat ptr = 0 
)
inline

Copy constructor.

Definition at line 71 of file cfix.h.

◆ ~CFix()

virtual itpp::CFix::~CFix ( )
inlinevirtual

Destructor.

Definition at line 74 of file cfix.h.

Member Function Documentation

◆ operator=() [1/4]

CFix & itpp::CFix::operator= ( const CFix x)

Assignment from CFix.

Definition at line 38 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, re, and itpp::Fix_Base::shift.

◆ operator=() [2/4]

CFix & itpp::CFix::operator= ( const Fix x)

Assignment from Fix.

Definition at line 46 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, re, itpp::Fix::re, and itpp::Fix_Base::shift.

◆ operator=() [3/4]

CFix & itpp::CFix::operator= ( const std::complex< double > &  x)

Assignment from std::complex<double>. Fractional part is truncated.

Definition at line 54 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, re, and itpp::Fix_Base::shift.

◆ operator=() [4/4]

CFix & itpp::CFix::operator= ( const int  x)

Assignment from int.

Definition at line 62 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, re, and itpp::Fix_Base::shift.

◆ operator+=() [1/3]

CFix & itpp::CFix::operator+= ( const CFix x)

Addition of CFix.

Definition at line 70 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), assert_shifts, im, re, and itpp::Fix_Base::shift.

◆ operator+=() [2/3]

CFix & itpp::CFix::operator+= ( const Fix x)

Addition of Fix.

Definition at line 78 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), assert_shifts, re, itpp::Fix::re, and itpp::Fix_Base::shift.

◆ operator+=() [3/3]

CFix & itpp::CFix::operator+= ( const int  x)

Addition of int.

Definition at line 85 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), assert_shifts, and re.

◆ operator-=() [1/3]

CFix & itpp::CFix::operator-= ( const CFix x)

Subtraction of CFix.

Definition at line 92 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), assert_shifts, im, re, and itpp::Fix_Base::shift.

◆ operator-=() [2/3]

CFix & itpp::CFix::operator-= ( const Fix x)

Subtraction of Fix.

Definition at line 100 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), assert_shifts, re, itpp::Fix::re, and itpp::Fix_Base::shift.

◆ operator-=() [3/3]

CFix & itpp::CFix::operator-= ( const int  x)

Subtraction of int.

Definition at line 107 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), assert_shifts, and re.

◆ operator*=() [1/3]

CFix & itpp::CFix::operator*= ( const CFix x)

Multiplication with CFix. Temporary variables use the maximum word length (64 bits)

Definition at line 114 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, re, and itpp::Fix_Base::shift.

◆ operator*=() [2/3]

CFix & itpp::CFix::operator*= ( const Fix x)

Multiplication with Fix. Temporary variables use the maximum word length (64 bits)

Definition at line 123 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, re, itpp::Fix::re, and itpp::Fix_Base::shift.

◆ operator*=() [3/3]

CFix & itpp::CFix::operator*= ( const int  x)

Multiplication with int. Temporary variables use the maximum word length (64 bits)

Definition at line 131 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, and re.

◆ operator/=() [1/3]

CFix & itpp::CFix::operator/= ( const CFix x)

Division with CFix using quantization mode TRN. Temporary variables use the maximum word length (64 bits)

Definition at line 138 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, re, and itpp::Fix_Base::shift.

◆ operator/=() [2/3]

CFix & itpp::CFix::operator/= ( const Fix x)

Division with Fix using quantization mode TRN. Temporary variables use the maximum word length (64 bits)

Definition at line 148 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, re, itpp::Fix::re, and itpp::Fix_Base::shift.

◆ operator/=() [3/3]

CFix & itpp::CFix::operator/= ( const int  x)

Division with int using quantization mode TRN. Temporary variables use the maximum word length (64 bits)

Definition at line 156 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, and re.

◆ operator-()

CFix itpp::CFix::operator- ( ) const

Unary negative of CFix.

Definition at line 163 of file cfix.cpp.

References im, re, and itpp::Fix_Base::shift.

◆ operator<<=()

CFix & itpp::CFix::operator<<= ( const int  n)

Left shift n bits.

Definition at line 168 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, it_assert_debug, re, and itpp::Fix_Base::shift.

◆ operator>>=()

CFix & itpp::CFix::operator>>= ( const int  n)

Right shift n bits using quantization mode qmode (constructor argument)

Definition at line 177 of file cfix.cpp.

References im, re, itpp::Fix_Base::rshift_and_apply_q_mode(), and itpp::Fix_Base::shift.

◆ set() [1/4]

void itpp::CFix::set ( double  real,
double  imag,
int  n 
)

Set to (real + i*imag) * pow2(n) using quantization mode qmode (constructor argument)

Definition at line 185 of file cfix.cpp.

References im, itpp::imag(), re, itpp::real(), itpp::Fix_Base::scale_and_apply_modes(), and itpp::Fix_Base::shift.

Referenced by itpp::operator>>(), itpp::set_fix(), itpp::set_fix(), itpp::set_fix(), and itpp::set_fix().

◆ set() [2/4]

void itpp::CFix::set ( double  real,
double  imag,
int  n,
q_mode  q 
)

Set to (real + i*imag) * pow2(n) using quantization mode q (function argument)

Definition at line 192 of file cfix.cpp.

References im, itpp::imag(), re, itpp::real(), itpp::Fix_Base::scale_and_apply_modes(), and itpp::Fix_Base::shift.

◆ set() [3/4]

void itpp::CFix::set ( const std::complex< double > &  x,
int  n 
)

Set to x * pow2(n) using quantization mode qmode (constructor argument)

Definition at line 199 of file cfix.cpp.

References im, re, itpp::Fix_Base::scale_and_apply_modes(), and itpp::Fix_Base::shift.

◆ set() [4/4]

void itpp::CFix::set ( const std::complex< double > &  x,
int  n,
q_mode  q 
)

Set to x * pow2(n) using quantization mode q (function argument)

Definition at line 206 of file cfix.cpp.

References im, re, itpp::Fix_Base::scale_and_apply_modes(), and itpp::Fix_Base::shift.

◆ set_re()

void itpp::CFix::set_re ( fixrep  x)
inline

Set data representation for real part (mainly for internal use since it reveals the representation type)

Definition at line 124 of file cfix.h.

Referenced by itpp::operator>>().

◆ set_im()

void itpp::CFix::set_im ( fixrep  x)
inline

Set data representation for imaginary part (mainly for internal use since it reveals the representation type)

Definition at line 126 of file cfix.h.

Referenced by itpp::operator>>().

◆ lshift()

void itpp::CFix::lshift ( int  n)

Left shift n bits.

Definition at line 213 of file cfix.cpp.

References itpp::Fix_Base::apply_o_mode(), im, it_assert_debug, re, and itpp::Fix_Base::shift.

Referenced by itpp::lshift_fix().

◆ rshift() [1/2]

void itpp::CFix::rshift ( int  n)

Right shift n bits using quantization mode qmode (constructor argument)

Definition at line 221 of file cfix.cpp.

References im, re, itpp::Fix_Base::rshift_and_apply_q_mode(), and itpp::Fix_Base::shift.

Referenced by itpp::rshift_fix(), and itpp::rshift_fix().

◆ rshift() [2/2]

void itpp::CFix::rshift ( int  n,
q_mode  q 
)

Right shift n bits using quantization mode q (function argument)

Definition at line 228 of file cfix.cpp.

References im, re, itpp::Fix_Base::rshift_and_apply_q_mode(), and itpp::Fix_Base::shift.

◆ print()

void itpp::CFix::print ( ) const
virtual

Print restrictions.

Reimplemented from itpp::Fix_Base.

Definition at line 242 of file cfix.cpp.

References im, itpp::Fix_Base::print(), and re.

◆ get_re()

fixrep itpp::CFix::get_re ( ) const
inline

◆ get_im()

fixrep itpp::CFix::get_im ( ) const
inline

◆ unfix()

std::complex< double > itpp::CFix::unfix ( ) const

Conversion to std::complex<double>

Definition at line 235 of file cfix.cpp.

References itpp::DOUBLE_POW2, im, it_assert_debug, re, and itpp::Fix_Base::shift.

Referenced by itpp::unfix().

◆ operator std::complex< double >()

itpp::CFix::operator std::complex< double > ( ) const
inline

Conversion to std::complex<double>

Definition at line 146 of file cfix.h.

References itpp::DOUBLE_POW2, and it_assert_debug.

◆ set_shift()

void itpp::Fix_Base::set_shift ( int  s)
inlineinherited

Set shift (without shifting)

Definition at line 994 of file fix_base.h.

Referenced by itpp::operator>>(), and itpp::operator>>().

◆ set_output_mode() [1/2]

static void itpp::Fix_Base::set_output_mode ( output_mode  o)
inlinestaticinherited

Set output mode to OUTPUT_FIX, OUTPUT_FIX_SHIFT, OUTPUT_FLOAT or OUTPUT_FLOAT_SHIFT. Static member function.

Definition at line 996 of file fix_base.h.

Referenced by itpp::operator<<().

◆ set_output_mode() [2/2]

void itpp::Fix_Base::set_output_mode ( std::string  o)
staticinherited

Set output mode to "OUTPUT_FIX", "OUTPUT_FIX_SHIFT", "OUTPUT_FLOAT" or "OUTPUT_FLOAT_SHIFT". Static member function.

Definition at line 40 of file fix_base.cpp.

References it_error, itpp::OUTPUT_FIX, itpp::OUTPUT_FIX_SHIFT, itpp::OUTPUT_FLOAT, and itpp::OUTPUT_FLOAT_SHIFT.

◆ get_shift()

int itpp::Fix_Base::get_shift ( ) const
inlineinherited

◆ get_wordlen()

int itpp::Fix_Base::get_wordlen ( ) const
inlineinherited

Get word length.

Definition at line 1003 of file fix_base.h.

◆ get_e_mode()

e_mode itpp::Fix_Base::get_e_mode ( ) const
inlineinherited

Get sign encoding mode.

Definition at line 1005 of file fix_base.h.

◆ get_o_mode()

o_mode itpp::Fix_Base::get_o_mode ( ) const
inlineinherited

Get overflow mode.

Definition at line 1007 of file fix_base.h.

◆ get_q_mode()

q_mode itpp::Fix_Base::get_q_mode ( ) const
inlineinherited

Get quantization mode.

Definition at line 1009 of file fix_base.h.

◆ get_output_mode()

output_mode itpp::Fix_Base::get_output_mode ( ) const
inlineinherited

Get output mode.

Definition at line 1011 of file fix_base.h.

Referenced by itpp::operator<<(), and itpp::operator<<().

◆ get_max()

fixrep itpp::Fix_Base::get_max ( ) const
inlineinherited

Get maximum value of data representation.

Definition at line 1013 of file fix_base.h.

References itpp::max().

◆ get_min()

fixrep itpp::Fix_Base::get_min ( ) const
inlineinherited

Get minimum value of data representation.

Definition at line 1015 of file fix_base.h.

References itpp::min().

◆ init()

void itpp::Fix_Base::init ( )
protectedinherited

◆ apply_o_mode()

fixrep itpp::Fix_Base::apply_o_mode ( fixrep  x) const
protectedinherited

◆ scale_and_apply_modes() [1/2]

fixrep itpp::Fix_Base::scale_and_apply_modes ( double  x) const
inlineprotectedinherited

Convert from double to fixrep using shift and quantization mode qmode, then call limit()

Definition at line 1044 of file fix_base.h.

References itpp::Fix_Base::scale_and_apply_modes().

Referenced by itpp::Fix_Base::scale_and_apply_modes(), set(), set(), set(), set(), itpp::Fix::set(), and itpp::Fix::set().

◆ scale_and_apply_modes() [2/2]

fixrep itpp::Fix_Base::scale_and_apply_modes ( double  x,
q_mode  q 
) const
protectedinherited

Convert from double to fixrep using shift and quantization mode q, then call limit()

Definition at line 128 of file fix_base.cpp.

References itpp::Fix_Base::apply_o_mode(), itpp::DOUBLE_POW2, it_assert_debug, it_error, itpp::RND, itpp::RND_CONV, itpp::RND_CONV_ODD, itpp::RND_INF, itpp::RND_MIN_INF, itpp::RND_ZERO, itpp::round(), itpp::Fix_Base::shift, itpp::TRN, and itpp::TRN_ZERO.

◆ rshift_and_apply_q_mode() [1/2]

fixrep itpp::Fix_Base::rshift_and_apply_q_mode ( fixrep  x,
int  n 
) const
inlineprotectedinherited

Right shift n bits using quantization mode qmode and make call to statistics object (if any)

Definition at line 1048 of file fix_base.h.

References itpp::Fix_Base::rshift_and_apply_q_mode().

Referenced by operator>>=(), itpp::Fix::operator>>=(), rshift(), itpp::Fix::rshift(), rshift(), itpp::Fix::rshift(), and itpp::Fix_Base::rshift_and_apply_q_mode().

◆ rshift_and_apply_q_mode() [2/2]

fixrep itpp::Fix_Base::rshift_and_apply_q_mode ( fixrep  x,
int  n,
q_mode  q 
) const
protectedinherited

Right shift n bits using quantization mode q and make call to statistics object (if any)

Definition at line 182 of file fix_base.cpp.

References it_assert_debug, it_error, itpp::RND, itpp::RND_CONV, itpp::RND_CONV_ODD, itpp::RND_INF, itpp::RND_MIN_INF, itpp::RND_ZERO, itpp::Stat::sample(), itpp::Fix_Base::stat_ptr, itpp::TRN, and itpp::TRN_ZERO.

Friends And Related Symbol Documentation

◆ CFixed

template<int , e_mode , o_mode , q_mode >
friend class CFixed
friend

Definition at line 53 of file cfix.h.

◆ assert_shifts [1/3]

ITPP_EXPORT int assert_shifts ( const CFix x,
const CFix y 
)
friend

Check that x.shift==y.shift OR x==0 OR y==0 and return the shift (for the non-zero argument)

Definition at line 249 of file cfix.cpp.

Referenced by operator+=(), operator+=(), operator+=(), operator-=(), operator-=(), and operator-=().

◆ assert_shifts [2/3]

ITPP_EXPORT int assert_shifts ( const CFix x,
const Fix y 
)
friend

Check that x.shift==y.shift OR x==0 OR y==0 and return the shift (for the non-zero argument)

Definition at line 265 of file cfix.cpp.

◆ assert_shifts [3/3]

ITPP_EXPORT int assert_shifts ( const CFix x,
int  y 
)
friend

Check that x.shift==0 OR x==0 OR y==0 and return x.shift.

Definition at line 281 of file cfix.cpp.

Member Data Documentation

◆ re

fixrep itpp::CFix::re
protected

◆ im

fixrep itpp::CFix::im
protected

◆ shift

int itpp::Fix_Base::shift
protectedinherited

◆ wordlen

int itpp::Fix_Base::wordlen
protectedinherited

Word length.

Definition at line 1023 of file fix_base.h.

Referenced by itpp::Fix_Base::init(), and itpp::Fix_Base::print().

◆ emode

e_mode itpp::Fix_Base::emode
protectedinherited

Sign encoding mode.

Definition at line 1025 of file fix_base.h.

Referenced by itpp::Fix_Base::init(), and itpp::Fix_Base::print().

◆ omode

o_mode itpp::Fix_Base::omode
protectedinherited

Overflow mode.

Definition at line 1027 of file fix_base.h.

Referenced by itpp::Fix_Base::apply_o_mode(), and itpp::Fix_Base::print().

◆ qmode

q_mode itpp::Fix_Base::qmode
protectedinherited

Quantization mode.

Definition at line 1029 of file fix_base.h.

Referenced by itpp::Fix_Base::print().

◆ stat_ptr

Stat* itpp::Fix_Base::stat_ptr
protectedinherited

Pointer to statistics object.

Definition at line 1031 of file fix_base.h.

Referenced by itpp::Fix_Base::apply_o_mode(), itpp::Fix_Base::print(), and itpp::Fix_Base::rshift_and_apply_q_mode().

◆ min

fixrep itpp::Fix_Base::min
protectedinherited

Minimum allowed value (help variable to speed up calculations)

Definition at line 1033 of file fix_base.h.

Referenced by itpp::Fix_Base::apply_o_mode(), itpp::Fix_Base::init(), and itpp::Fix_Base::print().

◆ max

fixrep itpp::Fix_Base::max
protectedinherited

Maximum allowed value (help variable to speed up calculations)

Definition at line 1035 of file fix_base.h.

Referenced by itpp::Fix_Base::apply_o_mode(), itpp::Fix_Base::init(), and itpp::Fix_Base::print().

◆ n_unused_bits

int itpp::Fix_Base::n_unused_bits
protectedinherited

Number of unused (MSB) bits (help variable to speed up calculations)

Definition at line 1037 of file fix_base.h.

Referenced by itpp::Fix_Base::apply_o_mode(), itpp::Fix_Base::init(), and itpp::Fix_Base::print().


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

Generated on Tue Mar 26 2024 19:08:31 for IT++ by Doxygen 1.9.8