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pdd fixes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-12-17 21:25:18 -08:00
parent f2149fb5a6
commit a744a465e6
3 changed files with 117 additions and 37 deletions
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11
src/math/dd/dd_pdd.h
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@ -36,6 +36,7 @@ namespace dd {
friend pdd;
typedef unsigned PDD;
typedef vector<std::pair<rational,unsigned_vector>> monomials_t;
const PDD null_pdd = UINT_MAX;
const PDD zero_pdd = 0;
@ -192,6 +193,9 @@ namespace dd {
pdd spoly(pdd const& a, pdd const& b, unsigned_vector const& p, unsigned_vector const& q, rational const& pc, rational const& qc);
bool common_factors(pdd const& a, pdd const& b, unsigned_vector& p, unsigned_vector& q, rational& pc, rational& qc);
monomials_t to_monomials(pdd const& p);
struct scoped_push {
pdd_manager& m;
unsigned m_size;
@ -211,6 +215,8 @@ namespace dd {
pdd mk_var(unsigned i);
pdd mk_val(rational const& r);
pdd zero();
pdd one();
pdd minus(pdd const& a);
pdd add(pdd const& a, pdd const& b);
pdd add(rational const& a, pdd const& b);
@ -256,7 +262,12 @@ namespace dd {
};
inline pdd operator*(rational const& r, pdd& b) { return b * r; }
inline pdd operator*(int x, pdd& b) { return b * rational(x); }
inline pdd operator*(pdd& b, int x) { return b * rational(x); }
inline pdd operator+(rational const& r, pdd& b) { return b + r; }
inline pdd operator+(int x, pdd& b) { return b + rational(x); }
inline pdd operator+(pdd& b, int x) { return b + rational(x); }
std::ostream& operator<<(std::ostream& out, pdd const& b);