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add integer branch and bound to nlsat

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-12-14 17:07:17 -08:00
parent 58c6cb87c3
commit e5fa35e969
4 changed files with 68 additions and 10 deletions
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4
src/nlsat/nlsat_interval_set.cpp
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@ -672,14 +672,14 @@ namespace nlsat {
return new_set;
}
void interval_set_manager::peek_in_complement(interval_set const * s, anum & w, bool randomize) {
void interval_set_manager::peek_in_complement(interval_set const * s, bool is_int, anum & w, bool randomize) {
SASSERT(!is_full(s));
if (s == 0) {
if (randomize) {
int num = m_rand() % 2 == 0 ? 1 : -1;
#define MAX_RANDOM_DEN_K 4
int den_k = (m_rand() % MAX_RANDOM_DEN_K);
int den = 1 << den_k;
int den = is_int ? 1 : (1 << den_k);
scoped_mpq _w(m_am.qm());
m_am.qm().set(_w, num, den);
m_am.set(w, _w);