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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-07-02 12:52:25 -07:00
parent e3a8522885
commit 7bac714762
2 changed files with 38 additions and 9 deletions
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4
src/math/lp/nla_intervals.h
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@ -96,9 +96,11 @@ class intervals : common {
bool upper_is_open(interval const & a) const { return a.m_upper_open; }
bool lower_is_inf(interval const & a) const { return a.m_lower_inf; }
bool upper_is_inf(interval const & a) const { return a.m_upper_inf; }
bool is_inf(interval const & a) const { return upper_is_inf(a) && lower_is_inf(a); }
bool is_zero(interval const & a) const {
return unsynch_mpq_manager::is_zero(a.m_lower)
&& unsynch_mpq_manager::is_zero(a.m_upper); }
// Setters
void set_lower(interval & a, mpq const & n) const { m_manager.set(a.m_lower, n); }
@ -178,11 +180,13 @@ public:
bool is_zero(const interval& a) const { return m_config.is_zero(a); }
void mul(const interval& a, const interval& b, interval& c) { m_imanager.mul(a, b, c); }
void add(const interval& a, const interval& b, interval& c) { m_imanager.add(a, b, c); }
void add(const interval& a, const interval& b, interval& c, interval_deps& deps) { m_imanager.add(a, b, c, deps); }
void set(interval& a, const interval& b) { m_imanager.set(a, b); }
void mul(const interval& a, const interval& b, interval& c, interval_deps& deps) { m_imanager.mul(a, b, c, deps); }
void add_deps(interval const& a, interval const& b, interval_deps const& deps, interval& i) const {
m_config.add_deps(a, b, deps, i);
}
void set_var_interval_with_deps(lpvar, interval &);
bool is_inf(const interval& i) const { return m_config.is_inf(i); }
}; // end of intervals
} // end of namespace nla