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updates and fixes to copying and cardinalities

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-06-23 14:00:33 -07:00
parent 6caef86738
commit fb84ba8c34
5 changed files with 144 additions and 128 deletions
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8
src/sat/card_extension.h
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@ -108,6 +108,8 @@ namespace sat {
literal lit() const { return m_lit; }
literal operator[](unsigned i) const { return m_lits[i]; }
unsigned size() const { return m_size; }
literal const* begin() const { return m_lits; }
literal const* end() const { return (literal const*)m_lits + m_size; }
void swap(unsigned i, unsigned j) { std::swap(m_lits[i], m_lits[j]); }
void negate() { m_lits[0].neg(); }
};
@ -167,7 +169,7 @@ namespace sat {
void reset_marked_literals();
void unwatch_literal(literal w, card& c);
void get_card_antecedents(literal l, card const& c, literal_vector & r);
void copy_card(card_extension& result);
// xor specific functionality
void copy_xor(card_extension& result);
@ -244,6 +246,10 @@ namespace sat {
void display(std::ostream& out, pb const& p, bool values) const;
void display(std::ostream& out, xor const& c, bool values) const;
void add_at_least(literal l, literal_vector const& lits, unsigned k);
void add_pb_ge(literal l, svector<wliteral> const& wlits, unsigned k);
void add_xor(literal l, literal_vector const& lits);
public:
card_extension();
virtual ~card_extension();