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First step towards explaining single bits

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This commit is contained in:
Clemens Eisenhofer 2022-12-19 12:27:37 +01:00
parent d5bc4b84a7
commit ec06027515
8 changed files with 418 additions and 6 deletions
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src/math/polysat/constraint.h
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@ -17,6 +17,7 @@ Author:
#include "math/polysat/interval.h"
#include "math/polysat/assignment.h"
#include "math/polysat/univariate/univariate_solver.h"
#include "util/tbv.h"
#include <iostream>
namespace polysat {
@ -84,6 +85,7 @@ namespace polysat {
bool is_currently_false(solver const& s, bool is_positive) const { return is_currently_true(s, !is_positive); }
virtual void narrow(solver& s, bool is_positive, bool first) = 0;
virtual void propagate_bits(solver& s, bool is_positive) {}
/**
* If possible, produce a lemma that contradicts the given assignment.
* This method should not modify the solver's search state.