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more fixes in patching of monomials

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-04-02 14:47:06 -07:00
parent 2d01c64d2c
commit 55329ea935
3 changed files with 33 additions and 4 deletions
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3
src/math/lp/lar_solver.cpp
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@ -2398,7 +2398,7 @@ bool lar_solver::try_to_patch(lpvar j, const mpq& val, const std::function<bool
VERIFY(remove_from_basis(j));
}
impq ival(val);
if (!inside_bounds(j, ival))
if (!inside_bounds(j, ival) || blocker(j))
return false;
impq delta = get_column_value(j) - ival;
@ -2414,6 +2414,7 @@ bool lar_solver::try_to_patch(lpvar j, const mpq& val, const std::function<bool
}
set_column_value(j, ival);
report_change(j);
for (const auto &c : A_r().column(j)) {
unsigned row_index = c.var();
const mpq & a = c.coeff();