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constraint id

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-03-14 16:27:22 -07:00
parent 5c6cef4735
commit c1c0f776fb
2 changed files with 60 additions and 34 deletions
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11
src/sat/sat_local_search.h
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@ -59,7 +59,14 @@ namespace sat {
class local_search {
struct pbcoeff {
unsigned m_constraint_id;
unsigned m_coeff;
pbcoeff(unsigned id, unsigned coeff):
m_constraint_id(id), m_coeff(coeff) {}
};
typedef svector<bool> bool_vector;
typedef svector<pbcoeff> coeff_vector;
// data structure for a term in objective function
struct ob_term {
@ -79,7 +86,7 @@ namespace sat {
int m_time_stamp; // the flip time stamp
int m_cscc; // how many times its constraint state configure changes since its last flip
bool_var_vector m_neighbors; // neighborhood variables
int_vector m_watch[2];
coeff_vector m_watch[2];
var_info():
m_value(true),
m_bias(50),
@ -241,6 +248,8 @@ namespace sat {
void add_soft(bool_var v, int weight);
void add_cardinality(unsigned sz, literal const* c, unsigned k);
void add_pb(unsigned sz, literal const* c, unsigned const* coeffs, unsigned k);
lbool check();