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add simplification routines

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-12-25 19:31:18 -08:00
parent de6409f558
commit 65d818437a
5 changed files with 297 additions and 96 deletions
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src/math/dd/dd_pdd.h
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@ -281,6 +281,7 @@ namespace dd {
~pdd() { m.dec_ref(root); }
pdd lo() const { return pdd(m.lo(root), m); }
pdd hi() const { return pdd(m.hi(root), m); }
unsigned index() const { return root; }
unsigned var() const { return m.var(root); }
rational const& val() const { SASSERT(is_val()); return m.val(root); }
bool is_val() const { return m.is_val(root); }
@ -317,6 +318,8 @@ namespace dd {
inline pdd operator-(pdd const& b, int x) { return b + (-rational(x)); }
inline pdd& operator*=(pdd & p, pdd const& q) { p = p * q; return p; }
inline pdd& operator|=(pdd & p, pdd const& q) { p = p | q; return p; }
inline pdd& operator-=(pdd & p, pdd const& q) { p = p - q; return p; }
inline pdd& operator+=(pdd & p, pdd const& q) { p = p + q; return p; }
std::ostream& operator<<(std::ostream& out, pdd const& b);