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fixes in the interval processing in horner

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-07-23 17:22:37 -07:00
parent ba2dbabe21
commit 2a02d04259
4 changed files with 45 additions and 55 deletions
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17
src/math/lp/nla_intervals.h
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@ -75,12 +75,11 @@ class intervals : common {
void add_deps(interval const& a, interval const& b, interval_deps const& deps, interval& i) const {
ci_dependency* lo = mk_dependency(a, b, deps.m_lower_deps);
ci_dependency* hi = mk_dependency(a, b, deps.m_upper_deps);
i.m_lower_dep = lo;
i.m_upper_dep = hi;
i.m_lower_dep = mk_dependency(a, b, deps.m_lower_deps);
i.m_upper_dep = mk_dependency(a, b, deps.m_upper_deps);
}
// Should be NOOPs for precise mpq types.
// For imprecise types (e.g., floats) it should set the rounding mode.
void round_to_minus_inf() {}
@ -149,13 +148,7 @@ public:
typedef interval_manager<im_config>::interval interval;
private:
void set_var_interval(lpvar v, interval & b) const;
void set_var_interval_signs(lpvar v, interval & b) const;
void set_var_interval_deps(lpvar v, interval & b) const;
ci_dependency* mk_dep(lp::constraint_index ci) const;
lp::lar_solver& ls();
const lp::lar_solver& ls() const;
public:
@ -167,8 +160,6 @@ public:
m_imanager(lim, im_config(m_num_manager, m_dep_manager))
{}
interval mul(const svector<lpvar>&) const;
interval mul_signs(const svector<lpvar>&) const;
interval mul_signs_with_deps(const svector<lpvar>&) const;
void get_explanation_of_upper_bound_for_monomial(lpvar j, svector<lp::constraint_index>& expl) const;
void get_explanation_of_lower_bound_for_monomial(lpvar j, svector<lp::constraint_index>& expl) const;
std::ostream& print_explanations(const svector<lp::constraint_index> &, std::ostream&) const;