17 #ifndef AWALI_WEIGHTSET_NOO_HH
18 # define AWALI_WEIGHTSET_NOO_HH
48 std::string
vname(
bool =
true)
const
91 require(l>=
r,
"N: sub: invalid subtraction: ", l ,
'-',
r);
115 "N: div: invalid division: ", l,
'/',
r);
198 parse(
const std::string & s,
size_t& p)
const {
208 for(; i>0 && s[i-1]>=
'0' && s[i-1]<=
'9'; --i)
212 std::istringstream st(s.substr(i, p-i));
222 if(stream.peek()==
'o') {
224 if(stream.get()==
'o')
237 const std::string& fmt =
"text")
252 o <<
"\\mathbb{N}_\\infty";
253 else if (
format ==
"text")
256 raise(
"invalid format: ",
format);
260 template<
unsigned version = version::fsm_json>
264 version::check_fsmjson<version>();
273 template<
unsigned version = version::fsm_json>
277 version::check_fsmjson<version>();
289 template<
unsigned version = version::fsm_json>
293 version::check_fsmjson<version>();
309 std::stringstream ss;
311 <<
" node cannot be coerced to a N-oo value.";
Exception used when trying to coerce a node to a given type.
Definition: node.hh:143
path_t path_to_root() const
virtual std::string to_string() const
Coerces this node_t to an std::string.
Definition: node.hh:331
virtual int to_int() const
Coerces this node_t to int.
Definition: node.hh:321
The Boolean semring.
Definition: b.hh:38
bool value_t
Definition: b.hh:56
The semiring of extended natural numbers.
Definition: noo.hh:39
static std::ostream & print(const value_t v, std::ostream &o, const std::string &fmt="text")
Definition: noo.hh:236
std::string vname(bool=true) const
Definition: noo.hh:48
value_t parse(const std::string &s, size_t &p) const
Definition: noo.hh:198
static value_t mul(const value_t l, const value_t r)
Definition: noo.hh:99
static bool is_one(const value_t v)
Definition: noo.hh:151
static json::node_t * to_json()
Definition: noo.hh:262
static bool equals(const value_t l, const value_t r)
Definition: noo.hh:157
static value_t conv(std::istream &stream)
Definition: noo.hh:220
value_t star(const value_t v) const
Definition: noo.hh:126
static value_t sub(const value_t l, const value_t r)
Definition: noo.hh:89
constexpr static value_t one()
Definition: noo.hh:75
constexpr static value_t infinity()
Definition: noo.hh:69
static bool is_infinity(const value_t v)
Definition: noo.hh:145
json::node_t * value_to_json(value_t v) const
Definition: noo.hh:274
static value_t conv(b, b::value_t v)
Definition: noo.hh:191
static bool less_than(value_t lhs, value_t rhs)
Whether lhs < rhs.
Definition: noo.hh:163
static value_t conv(self_type, value_t v)
Definition: noo.hh:185
constexpr static value_t zero()
Definition: noo.hh:63
constexpr static bool is_special(value_t)
Definition: noo.hh:133
static value_t ldiv(const value_t l, const value_t r)
Definition: noo.hh:120
static bool is_zero(const value_t v)
Definition: noo.hh:139
value_t value_from_json(json::node_t const *p) const
Definition: noo.hh:290
static value_t add(const value_t l, const value_t r)
Definition: noo.hh:81
static size_t hash(value_t v)
Definition: noo.hh:179
std::ostream & print_set(std::ostream &o, const std::string &format="text") const
Definition: noo.hh:249
static value_t transpose(const value_t v)
Definition: noo.hh:174
static noo make(std::istream &is)
Build from the description in is.
Definition: noo.hh:54
static std::string sname()
Definition: noo.hh:43
static constexpr bool is_commutative_semiring()
Definition: noo.hh:168
static constexpr bool show_one()
Definition: noo.hh:170
static constexpr star_status_t star_status()
Definition: noo.hh:171
static value_t rdiv(const value_t l, const value_t r)
Definition: noo.hh:109
unsigned value_t
Definition: noo.hh:60
The semiring of floating Numbers.
Definition: r.hh:35
star_status_t
The different behaviours a weightset may have with respect to the star.
Definition: enums.hh:163
@ STARRABLE
The star of every element exists.
Definition: enums.hh:165
void eat(std::istream &is, char c)
Check lookahead character and advance.
Definition: stream.hh:62
ATTRIBUTE_NORETURN void fail_reading(std::istream &is, std::string explanation)
Throw an exception after failing to read from is.
Definition: stream.hh:93
auto join(const ratexpset< Ctx1 > &a, const ratexpset< Ctx2 > &b) -> ratexpset< join_t< Ctx1, Ctx2 >>
The union of two ratexpsets.
Definition: ratexpset.hh:445
auto format(const ValueSet &vs, const typename ValueSet::value_t &v, Args &&... args) -> std::string
Format v via vs.print.
Definition: stream.hh:109
void require(bool b, Args &&... args)
If b is not verified, raise an error with args as message.
Definition: raise.hh:55
std::size_t hash_value(const T &v)
Definition: hash.hh:76
ATTRIBUTE_CONST int max(int a, int b)
Definition: arith.hh:54
Main namespace of Awali.
Definition: ato.hh:22
Exceptions thrown during parsing.
Definition: parse_exception.hh:26