Vcsn  2.8
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vcsn::detail::log_impl Class Reference

#include <log.hh>

Collaboration diagram for vcsn::detail::log_impl:

Public Types

using self_t = log
 
using value_t = double
 

Public Member Functions

value_t rdivide (const value_t l, const value_t r) const
 
value_t ldivide (const value_t l, const value_t r) const
 
value_t star (const value_t v) const
 
value_t conv (std::istream &i, bool=true) const
 
std::ostream & print_set (std::ostream &o, format fmt={}) const
 

Static Public Member Functions

static symbol sname ()
 
static log make (std::istream &is)
 Build from the description in is. More...
 
static value_t zero ()
 The zero for the log semiring is +oo. More...
 
static value_t one ()
 The neutral element for the log semiring is 0. More...
 
static value_t min ()
 
static value_t max ()
 
static value_t add (const value_t l, const value_t r)
 
static value_t sub (const value_t l, const value_t r)
 
static value_t mul (const value_t l, const value_t r)
 
static int compare (const value_t l, const value_t r)
 Three-way comparison between l and r. More...
 
static bool equal (const value_t l, const value_t r)
 Whether l == r. More...
 
static bool less (const value_t l, const value_t r)
 Whether l < r. More...
 
static constexpr bool is_special (const value_t)
 
static bool is_zero (const value_t v)
 
static bool is_one (const value_t v)
 
static constexpr bool is_commutative ()
 
static constexpr bool is_idempotent ()
 
static constexpr bool has_lightening_weights ()
 
static constexpr bool show_one ()
 
static constexpr star_status_t star_status ()
 
static value_t transpose (const value_t v)
 
static size_t hash (const value_t v)
 
static value_t conv (self_t, const value_t v)
 
static std::ostream & print (const value_t v, std::ostream &o=std::cout, format fmt={})
 

Detailed Description

Definition at line 22 of file log.hh.

Member Typedef Documentation

◆ self_t

Definition at line 25 of file log.hh.

◆ value_t

Definition at line 26 of file log.hh.

Member Function Documentation

◆ add()

static value_t vcsn::detail::log_impl::add ( const value_t  l,
const value_t  r 
)
inlinestatic

Definition at line 65 of file log.hh.

References zero().

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◆ compare()

static int vcsn::detail::log_impl::compare ( const value_t  l,
const value_t  r 
)
inlinestatic

Three-way comparison between l and r.

Definition at line 109 of file log.hh.

References equal().

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◆ conv() [1/2]

static value_t vcsn::detail::log_impl::conv ( self_t  ,
const value_t  v 
)
inlinestatic

Definition at line 167 of file log.hh.

References vcsn::detail::v.

◆ conv() [2/2]

value_t vcsn::detail::log_impl::conv ( std::istream &  i,
bool  = true 
) const
inline

Definition at line 173 of file log.hh.

References vcsn::eat(), vcsn::raise_invalid_value(), vcsn::res, and zero().

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◆ equal()

static bool vcsn::detail::log_impl::equal ( const value_t  l,
const value_t  r 
)
inlinestatic

Whether l == r.

Definition at line 119 of file log.hh.

Referenced by compare().

◆ has_lightening_weights()

static constexpr bool vcsn::detail::log_impl::has_lightening_weights ( )
inlinestatic

Definition at line 147 of file log.hh.

◆ hash()

static size_t vcsn::detail::log_impl::hash ( const value_t  v)
inlinestatic

Definition at line 161 of file log.hh.

References vcsn::detail::hash_value().

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◆ is_commutative()

static constexpr bool vcsn::detail::log_impl::is_commutative ( )
inlinestatic

Definition at line 145 of file log.hh.

◆ is_idempotent()

static constexpr bool vcsn::detail::log_impl::is_idempotent ( )
inlinestatic

Definition at line 146 of file log.hh.

◆ is_one()

static bool vcsn::detail::log_impl::is_one ( const value_t  v)
inlinestatic

Definition at line 140 of file log.hh.

References one().

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◆ is_special()

static constexpr bool vcsn::detail::log_impl::is_special ( const value_t  )
inlinestatic

Definition at line 130 of file log.hh.

◆ is_zero()

static bool vcsn::detail::log_impl::is_zero ( const value_t  v)
inlinestatic

Definition at line 135 of file log.hh.

References zero().

Referenced by mul(), print(), and rdivide().

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◆ ldivide()

value_t vcsn::detail::log_impl::ldivide ( const value_t  l,
const value_t  r 
) const
inline

Definition at line 96 of file log.hh.

References rdivide().

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◆ less()

static bool vcsn::detail::log_impl::less ( const value_t  l,
const value_t  r 
)
inlinestatic

Whether l < r.

Definition at line 125 of file log.hh.

◆ make()

static log vcsn::detail::log_impl::make ( std::istream &  is)
inlinestatic

Build from the description in is.

Definition at line 35 of file log.hh.

References vcsn::eat(), and sname().

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◆ max()

static value_t vcsn::detail::log_impl::max ( )
inlinestatic

Definition at line 60 of file log.hh.

◆ min()

static value_t vcsn::detail::log_impl::min ( )
inlinestatic

Definition at line 54 of file log.hh.

References vcsn::min.

◆ mul()

static value_t vcsn::detail::log_impl::mul ( const value_t  l,
const value_t  r 
)
inlinestatic

Definition at line 82 of file log.hh.

References is_zero(), and zero().

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◆ one()

static value_t vcsn::detail::log_impl::one ( )
inlinestatic

The neutral element for the log semiring is 0.

Definition at line 48 of file log.hh.

Referenced by is_one().

◆ print()

static std::ostream& vcsn::detail::log_impl::print ( const value_t  v,
std::ostream &  o = std::cout,
format  fmt = {} 
)
inlinestatic

Definition at line 187 of file log.hh.

References is_zero(), vcsn::format::latex, and vcsn::detail::v.

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◆ print_set()

std::ostream& vcsn::detail::log_impl::print_set ( std::ostream &  o,
format  fmt = {} 
) const
inline

Definition at line 197 of file log.hh.

References vcsn::format::latex, vcsn::format::raw, vcsn::format::sname, sname(), vcsn::format::text, and vcsn::format::utf8.

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◆ rdivide()

value_t vcsn::detail::log_impl::rdivide ( const value_t  l,
const value_t  r 
) const
inline

Definition at line 89 of file log.hh.

References is_zero(), and vcsn::require().

Referenced by ldivide().

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◆ show_one()

static constexpr bool vcsn::detail::log_impl::show_one ( )
inlinestatic

Definition at line 149 of file log.hh.

◆ sname()

static symbol vcsn::detail::log_impl::sname ( )
inlinestatic

Definition at line 28 of file log.hh.

References vcsn::res.

Referenced by make(), and print_set().

◆ star()

value_t vcsn::detail::log_impl::star ( const value_t  v) const
inline

Definition at line 101 of file log.hh.

References vcsn::raise_not_starrable().

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◆ star_status()

static constexpr star_status_t vcsn::detail::log_impl::star_status ( )
inlinestatic

Definition at line 150 of file log.hh.

References vcsn::STARRABLE.

◆ sub()

static value_t vcsn::detail::log_impl::sub ( const value_t  l,
const value_t  r 
)
inlinestatic

Definition at line 77 of file log.hh.

◆ transpose()

static value_t vcsn::detail::log_impl::transpose ( const value_t  v)
inlinestatic

Definition at line 156 of file log.hh.

References vcsn::detail::v.

◆ zero()

static value_t vcsn::detail::log_impl::zero ( )
inlinestatic

The zero for the log semiring is +oo.

Definition at line 42 of file log.hh.

Referenced by add(), conv(), is_zero(), and mul().


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