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push outline of using cjust for overflow premise

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-09-09 09:56:00 +02:00
parent a5b7f9d77b
commit 611c28fc47
8 changed files with 101 additions and 15 deletions
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2
src/math/dd/dd_pdd.h
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@ -246,6 +246,7 @@ namespace dd {
inline bool is_one(PDD p) const { return p == one_pdd; }
inline bool is_val(PDD p) const { return m_nodes[p].is_val(); }
inline bool is_internal(PDD p) const { return m_nodes[p].is_internal(); }
inline bool is_var(PDD p) const { return !is_val(p) && is_zero(lo(p)) && is_one(hi(p)); }
bool is_never_zero(PDD p);
inline unsigned level(PDD p) const { return m_nodes[p].m_level; }
inline unsigned var(PDD p) const { return m_level2var[level(p)]; }
@ -388,6 +389,7 @@ namespace dd {
bool is_one() const { return m.is_one(root); }
bool is_zero() const { return m.is_zero(root); }
bool is_linear() const { return m.is_linear(root); }
bool is_var() const { return m.is_var(root); }
/** Polynomial is of the form: a * x + b */
bool is_unilinear() const { return !is_val() && lo().is_val() && hi().is_val(); }
bool is_unary() const { return !is_val() && lo().is_zero() && hi().is_val(); }