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add a comment in nla_order

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-11-10 11:12:28 -08:00
parent fc5e5a2098
commit 4810b4cac2
1 changed files with 1 additions and 1 deletions
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src/math/lp/nla_order_lemmas.cpp
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@ -293,7 +293,7 @@ void order::generate_ol(const monic& ac,
lemma |= ineq(term(rational(1), ac.var(), -rational(1), bc.var()), var_val(ac) < var_val(bc) ? llc::GT : llc::LT, 0);
// The value of factor k is val(k) = k.rat_sign()*val(k.var()).
// That is why we need to use the factor signs of a and b in the term,
// but the constraint of the term is defined by val(a) and val(b).
// but the constraint of the lemma is defined by val(a) and val(b).
lemma |= ineq(term(a.rat_sign(), a.var(), -b.rat_sign(), b.var()), val(a) < val(b) ? llc::GE : llc::LE, 0);
lemma &= ac;