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cache some fields in horner scheme and limit the number of reported cross nested forms

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-08-22 11:06:55 -07:00
parent 03a0ead668
commit ee48ed733a
3 changed files with 27 additions and 26 deletions
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8
src/math/lp/cross_nested.h
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@ -43,6 +43,7 @@ class cross_nested {
std::unordered_map<lpvar, unsigned> m_powers;
ptr_vector<nex> m_allocated;
ptr_vector<nex> m_b_split_vec;
int m_reported;
#ifdef Z3DEBUG
nex* m_e_clone;
#endif
@ -54,7 +55,8 @@ public:
std::function<bool (unsigned)> var_is_fixed):
m_call_on_result(call_on_result),
m_var_is_fixed(var_is_fixed),
m_done(false)
m_done(false),
m_reported(0)
{}
@ -354,7 +356,7 @@ public:
if (occurences.empty()) {
if(front.empty()) {
TRACE("nla_cn", tout << "got the cn form: =" << *m_e << "\n";);
m_done = m_call_on_result(m_e);
m_done = m_call_on_result(m_e) || ++m_reported > 100;
// #ifdef Z3DEBUG
// nex *ce = clone(m_e);
// TRACE("nla_cn", tout << "ce = " << *ce << "\n";);
@ -391,7 +393,7 @@ public:
return;
TRACE("nla_cn", tout << "after split c=" << **c << "\nfront="; print_front(front, tout) << "\n";);
if (front.empty()) {
m_done = m_call_on_result(m_e);
m_done = m_call_on_result(m_e) || ++m_reported > 100;
return;
}
auto n = pop_front(front);