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adding simplex

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-02-11 17:15:09 -08:00
parent 596796f7ef
commit 8b5390c56f
3 changed files with 80 additions and 11 deletions
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11
src/smt/theory_pb.h
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@ -36,6 +36,9 @@ namespace smt {
class unwatch_ge;
class rewatch_vars;
class negate_ineq;
class remove_var;
class reset_bound;
class undo_bound;
typedef rational numeral;
typedef vector<std::pair<literal, numeral> > arg_t;
typedef simplex::simplex<simplex::mpz_ext> simplex;
@ -159,14 +162,16 @@ namespace smt {
};
typedef ptr_vector<ineq> watch_list;
typedef map<ineq, bool_var, ineq::hash, ineq::eq> ineq_map;
theory_pb_params m_params;
u_map<watch_list*> m_lwatch; // per literal.
u_map<watch_list*> m_vwatch; // per variable.
u_map<ineq*> m_ineqs; // per inequality.
map<ineq, bool_var, ineq::hash, ineq::eq> m_ineq_rep; // Simplex: representative inequality
u_map<row_info> m_ineq_row_info; // Simplex: row information per variable.
simplex m_simplex; // Simplex
ineq_map m_ineq_rep; // Simplex: representative inequality
u_map<row_info> m_ineq_row_info; // Simplex: row information per variable
uint_set m_vars; // Simplex: 0-1 variables.
simplex m_simplex; // Simplex: tableau
unsigned_vector m_ineqs_trail;
unsigned_vector m_ineqs_lim;
literal_vector m_literals; // temporary vector