17 #ifndef AWALI_WEIGHTSET_Z_HH
18 # define AWALI_WEIGHTSET_Z_HH
28 #include <awali/common/parse_exception.cc>
43 std::string
vname(
bool =
true)
const
92 "Z: div: invalid division: ", l,
'/',
r);
108 raise(
"Z: star: invalid value: ",
format(*
this, v));
177 parse(
const std::string & s,
size_t& p) {
179 for(; i>0 && s[i-1]>=
'0' && s[i-1]<=
'9'; --i)
183 if(i>0 && (s[i-1]==
'-' || s[i-1]==
'+'))
185 std::istringstream st(s.substr(i, p-i));
204 const std::string& fmt =
"text")
214 else if (
format ==
"text")
217 raise(
"invalid format: ",
format);
221 template<
unsigned version = version::fsm_json>
235 template<
unsigned version = version::fsm_json>
250 template<
unsigned version = version::fsm_json>
268 inline z join(
const z&,
const z&) {
return {}; }
269 inline z join(
const n&,
const z&) {
return {}; }
270 inline z join(
const z&,
const n&) {
return {}; }
271 inline z join(
const b&,
const z&) {
return {}; }
272 inline z join(
const z&,
const b&) {
return {}; }
virtual int to_int() const
Coerces this node_t to int.
Definition: node.hh:319
object_t * push_back(std::string key, node_t *node)
The Boolean semring.
Definition: b.hh:38
bool value_t
Definition: b.hh:56
The semiring of Natural numbers.
Definition: n.hh:33
unsigned int value_t
Definition: n.hh:54
The semiring of floating Numbers.
Definition: r.hh:34
The semiring of Integers.
Definition: z.hh:34
static constexpr star_status_t star_status()
Definition: z.hh:143
constexpr static bool is_special(value_t)
Definition: z.hh:111
static bool is_zero(const value_t v)
Definition: z.hh:117
static z make(std::istream &is)
Build from the description in is.
Definition: z.hh:49
static value_t sub(const value_t l, const value_t r)
Definition: z.hh:76
std::ostream & print_set(std::ostream &o, const std::string &format="text") const
Definition: z.hh:210
json::node_t * value_to_json(value_t v) const
Definition: z.hh:237
value_t value_from_json(json::node_t const *p) const
Definition: z.hh:223
value_t star(const value_t v) const
Definition: z.hh:103
static value_t conv(std::istream &stream)
Definition: z.hh:193
static value_t transpose(const value_t v)
Definition: z.hh:146
static constexpr bool show_one()
Definition: z.hh:142
static value_t add(const value_t l, const value_t r)
Definition: z.hh:70
static value_t ldiv(const value_t l, const value_t r)
Definition: z.hh:97
static bool less_than(value_t lhs, value_t rhs)
Whether lhs < rhs.
Definition: z.hh:135
static value_t zero()
Definition: z.hh:58
static value_t one()
Definition: z.hh:64
static value_t rdiv(const value_t l, const value_t r)
Definition: z.hh:88
static std::ostream & print(const value_t v, std::ostream &o, const std::string &fmt="text")
Definition: z.hh:203
static constexpr bool is_commutative_semiring()
Definition: z.hh:140
static value_t parse(const std::string &s, size_t &p)
Definition: z.hh:177
static value_t mul(const value_t l, const value_t r)
Definition: z.hh:82
static std::string sname()
Definition: z.hh:38
static bool is_one(const value_t v)
Definition: z.hh:123
static value_t conv(n, n::value_t v)
Definition: z.hh:163
int value_t
Definition: z.hh:55
json::node_t * to_json() const
Definition: z.hh:252
static size_t hash(value_t v)
Definition: z.hh:151
std::string vname(bool=true) const
Definition: z.hh:43
static bool equals(const value_t l, const value_t r)
Definition: z.hh:129
static value_t conv(self_type, value_t v)
Definition: z.hh:157
static value_t conv(b, b::value_t v)
Definition: z.hh:170
star_status_t
The different behaviours a weightset may have with respect to the star.
Definition: enums.hh:161
@ NON_STARRABLE
Definition: enums.hh:164
std::string to_string(identities i)
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:448
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
Main namespace of Awali.
Definition: ato.hh:22
Exceptions thrown during parsing.
Definition: parse_exception.hh:26