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fix

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-06-09 17:30:36 -07:00
parent 1587497562
commit 713eb6319d
1 changed files with 2 additions and 2 deletions
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4
src/math/lp/lp_bound_propagator.h
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@ -341,9 +341,9 @@ public:
explain_fixed_in_row(rid, ex); explain_fixed_in_row(rid, ex);
add_eq_on_columns(ex, x, x2); add_eq_on_columns(ex, x, x2);
} }
return;
} }
if (k.is_zero()) { if (k.is_zero() && y != null_lpvar && !is_equal(x, y) &&
is_int(x) == is_int(y)) {
explanation ex; explanation ex;
explain_fixed_in_row(rid, ex); explain_fixed_in_row(rid, ex);
add_eq_on_columns(ex, x, y); add_eq_on_columns(ex, x, y);