mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-08-17 08:42:15 +00:00
Code Activity

debugging network simplex

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-12-05 16:31:29 -08:00
parent 192ce11ca6
commit 5fc429c501
6 changed files with 75 additions and 102 deletions
Download patch file Download diff file Expand all files Collapse all files

15
src/smt/theory_utvpi_def.h
View file

@ -62,8 +62,7 @@ namespace smt {
theory(m.mk_family_id("arith")),
a(m),
m_arith_eq_adapter(*this, m_params, a),
m_zero_int(null_theory_var),
m_zero_real(null_theory_var),
m_zero(null_theory_var),
m_nc_functor(*this),
m_asserted_qhead(0),
m_agility(0.5),
@ -134,8 +133,7 @@ namespace smt {
template<typename Ext>
void theory_utvpi<Ext>::reset_eh() {
m_graph .reset();
m_zero_int = null_theory_var;
m_zero_real = null_theory_var;
m_zero = null_theory_var;
m_atoms .reset();
m_asserted_atoms .reset();
m_stats .reset();
@ -261,8 +259,7 @@ namespace smt {
template<typename Ext>
void theory_utvpi<Ext>::init(context* ctx) {
theory::init(ctx);
m_zero_int = mk_var(ctx->mk_enode(a.mk_numeral(rational(0), true), false, false, true));
m_zero_real = mk_var(ctx->mk_enode(a.mk_numeral(rational(0), false), false, false, true));
m_zero = mk_var(ctx->mk_enode(a.mk_numeral(rational(0), true), false, false, true));
}
/**
@ -556,7 +553,7 @@ namespace smt {
theory_var v = null_theory_var;
context& ctx = get_context();
if (r.is_zero()) {
v = a.is_int(n)?m_zero_int:m_zero_real;
v = m_zero;
}
else if (ctx.e_internalized(n)) {
enode* e = ctx.get_enode(n);
@ -778,9 +775,7 @@ namespace smt {
m_factory = alloc(arith_factory, get_manager());
m.register_factory(m_factory);
enforce_parity();
m_graph.set_to_zero(to_var(m_zero_int), to_var(m_zero_real));
m_graph.set_to_zero(neg(to_var(m_zero_int)), neg(to_var(m_zero_real)));
m_graph.set_to_zero(to_var(m_zero_int), neg(to_var(m_zero_int)));
m_graph.set_to_zero(to_var(m_zero), neg(to_var(m_zero)));
compute_delta();
DEBUG_CODE(validate_model(););
}