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fix #2814

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-12-20 16:34:30 -08:00
parent d2108ad043
commit 918846a97e
4 changed files with 12 additions and 7 deletions
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4
src/math/simplex/sparse_matrix_def.h
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@ -468,6 +468,10 @@ namespace simplex {
g.reset();
row_iterator it = row_begin(r), end = row_end(r);
for (; it != end && !m.is_one(g); ++it) {
if (!m.is_int(it->m_coeff)) {
g = numeral(1);
break;
}
if (m.is_zero(g)) g = it->m_coeff;
else m.gcd(g, it->m_coeff, g);
}