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start porting grobner basis functionality

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-09-07 11:54:36 -07:00
parent d0d7813b9b
commit 490672a5ba
11 changed files with 93 additions and 47 deletions
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11
src/math/lp/lp_settings.h
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@ -89,7 +89,7 @@ public:
virtual bool get_cancel_flag() = 0;
};
struct stats {
struct statistics {
unsigned m_make_feasible;
unsigned m_total_iterations;
unsigned m_iters_with_no_cost_growing;
@ -111,8 +111,9 @@ struct stats {
unsigned m_horner_conflicts;
unsigned m_cross_nested_forms;
unsigned m_grobner_calls;
unsigned m_grobner_basis_computatins;
unsigned m_grobner_conflicts;
stats() { reset(); }
statistics() { reset(); }
void reset() { memset(this, 0, sizeof(*this)); }
};
@ -137,7 +138,7 @@ private:
// used for messages, for example, the computation progress messages
std::ostream* m_message_out;
stats m_stats;
statistics m_stats;
random_gen m_rand;
public:
@ -286,8 +287,8 @@ public:
std::ostream* get_debug_ostream() { return m_debug_out; }
std::ostream* get_message_ostream() { return m_message_out; }
stats& st() { return m_stats; }
stats const& st() const { return m_stats; }
statistics& stats() { return m_stats; }
statistics const& stats() const { return m_stats; }
template <typename T> static bool is_eps_small_general(const T & t, const double & eps) {
return (!numeric_traits<T>::precise())? is_epsilon_small<T>(t, eps) : numeric_traits<T>::is_zero(t);