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working on pivot

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-04-20 17:42:01 -07:00
parent 80751bdd12
commit 36cd80748f
6 changed files with 74 additions and 55 deletions
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2
src/math/simplex/sparse_matrix_def.h
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@ -98,7 +98,7 @@ namespace simplex {
if (!t1.is_dead()) {
if (i != j) {
_row_entry & t2 = m_entries[j];
t2.m_coeff.swap(t1.m_coeff);
m.swap(t2.m_coeff, t1.m_coeff);
t2.m_var = t1.m_var;
t2.m_col_idx = t1.m_col_idx;
SASSERT(!t2.is_dead());