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fix #3131

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-03-04 09:37:54 -08:00
parent 19ed465696
commit 67497ba897
2 changed files with 2 additions and 1 deletions
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2
src/math/simplex/model_based_opt.cpp
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@ -824,7 +824,7 @@ namespace opt {
rational val(c);
SASSERT(r.m_vars.empty());
r.m_vars.append(coeffs.size(), coeffs.c_ptr());
bool is_int_row = true;
bool is_int_row = !coeffs.empty();
std::sort(r.m_vars.begin(), r.m_vars.end(), var::compare());
for (auto const& c : coeffs) {
val += m_var2value[c.m_id] * c.m_coeff;