logicrs 0.6.1

Rust library for logic expression
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63

use crate::{Lit, LitVec, Var};
use std::time::Duration;

pub trait Satif {
    fn new_var(&mut self) -> Var;

    fn new_var_to(&mut self, var: Var) {
        while Var::new(self.num_var()) <= var {
            self.new_var();
        }
    }

    fn num_var(&self) -> usize;

    #[inline]
    fn max_var(&self) -> Var {
        Var(self.num_var() as u32 - 1)
    }

    fn add_clause(&mut self, clause: &[Lit]);

    fn solve(&mut self, assumps: &[Lit]) -> bool;

    fn solve_with_constraint(&mut self, _assumps: &[Lit], _constraint: Vec<LitVec>) -> bool {
        panic!("unsupport solve with constraint");
    }

    fn solve_with_limit(
        &mut self,
        _assumps: &[Lit],
        _constraint: Vec<LitVec>,
        _limit: Duration,
    ) -> Option<bool> {
        panic!("unsupport solve with limit");
    }

    fn sat_value(&self, lit: Lit) -> Option<bool>;

    #[inline]
    fn sat_value_lit(&self, var: Var) -> Option<Lit> {
        self.sat_value(var.lit()).map(|v| Lit::new(var, v))
    }

    fn unsat_has(&self, _lit: Lit) -> bool {
        panic!("unsupport assumption");
    }

    fn simplify(&mut self) -> Option<bool> {
        panic!("unsupport simplify");
    }

    fn set_frozen(&mut self, _var: Var, _frozen: bool) {
        panic!("unsupport set frozen");
    }

    fn clauses(&self) -> Vec<LitVec> {
        panic!("unsupport get clauses");
    }

    fn set_seed(&mut self, _seed: u64) {
        panic!("unsupport set seed");
    }
}