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operate with sign as a boolean

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-05-06 16:44:48 -07:00
parent 6d5fd5d980
commit 495161fe5c
9 changed files with 57 additions and 65 deletions
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src/util/lp/monomial.h
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@ -61,8 +61,7 @@ public:
unsigned visited() const { return m_visited; }
unsigned& visited() { return m_visited; }
svector<lpvar> const& rvars() const { return m_rvars; }
bool sign() const { return m_rsign; }
rational rsign() const { return rational(m_rsign ? -1 : 1); }
bool rsign() const { return m_rsign; }
void reset_rfields() { m_rsign = false; m_rvars.reset(); SASSERT(m_rvars.size() == 0); }
void push_rvar(signed_var sv) { m_rsign ^= sv.sign(); m_rvars.push_back(sv.var()); }
void sort_rvars() {