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removing fat

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-31 14:21:22 -07:00
parent a274cac2a0
commit 1ebfcfc2cb
5 changed files with 161 additions and 144 deletions
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94
src/smt/theory_arith_aux.h
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@ -28,6 +28,13 @@ namespace smt {
// Rows
//
// -----------------------------------
template<typename Ext>
theory_arith<Ext>::row::row():
m_size(0),
m_base_var(null_theory_var),
m_first_free_idx(-1) {
}
template<typename Ext>
void theory_arith<Ext>::row::reset() {
@ -298,6 +305,60 @@ namespace smt {
m_size--;
}
// -----------------------------------
//
// Antecedents
//
// -----------------------------------
template<typename Ext>
void theory_arith<Ext>::antecedents::init() {
if (!m_init && !empty()) {
m_params.push_back(parameter(symbol("unknown-arith")));
for (unsigned i = 0; i < m_lits.size(); i++) {
m_params.push_back(parameter(m_lit_coeffs[i].to_rational()));
}
for (unsigned i = 0; i < m_eqs.size(); i++) {
m_params.push_back(parameter(m_eq_coeffs[i].to_rational()));
}
m_init = true;
}
}
template<typename Ext>
void theory_arith<Ext>::antecedents::reset() {
m_init = false;
m_eq_coeffs.reset();
m_lit_coeffs.reset();
m_eqs.reset();
m_lits.reset();
m_params.reset();
}
template<typename Ext>
void theory_arith<Ext>::antecedents::push_lit(literal l, numeral const& r) {
m_lits.push_back(l);
if (proofs_enabled) {
m_lit_coeffs.push_back(r);
}
}
template<typename Ext>
void theory_arith<Ext>::antecedents::push_eq(enode_pair const& p, numeral const& r) {
m_eqs.push_back(p);
if (proofs_enabled) {
m_eq_coeffs.push_back(r);
}
}
template<typename Ext>
parameter * theory_arith<Ext>::antecedents::params(char const* name) {
if (empty()) return 0;
init();
m_params[0] = parameter(symbol(name));
return m_params.c_ptr();
}
// -----------------------------------
//
// Atoms
@ -342,6 +403,39 @@ namespace smt {
//
// -----------------------------------
template<typename Ext>
bool theory_arith<Ext>::at_bound(theory_var v) const {
bound * l = lower(v);
if (l != 0 && get_value(v) == l->get_value())
return true;
bound * u = upper(v);
return u != 0 && get_value(v) == u->get_value();
}
template<typename Ext>
bool theory_arith<Ext>::is_fixed(theory_var v) const {
bound * l = lower(v);
if (l == 0)
return false;
bound * u = upper(v);
if (u == 0)
return false;
return l->get_value() == u->get_value();
}
template<typename Ext>
void theory_arith<Ext>::set_bound(bound * new_bound, bool upper) {
SASSERT(new_bound);
SASSERT(!upper || new_bound->get_bound_kind() == B_UPPER);
SASSERT(upper || new_bound->get_bound_kind() == B_LOWER);
theory_var v = new_bound->get_var();
set_bound_core(v, new_bound, upper);
if ((propagate_eqs() || propagate_diseqs()) && is_fixed(v))
fixed_var_eh(v);
}
/**
\brief Return the col_entry that points to a base row that contains the given variable.
Return 0 if no row contains v.