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reverse the order in nex expressions

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-10-15 14:40:10 -07:00
parent 4daa841116
commit 0f948d7a07
3 changed files with 29 additions and 18 deletions
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4
src/math/lp/nex_creator.h
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@ -86,11 +86,11 @@ public:
bool less_than(lpvar j, lpvar k) const{
unsigned wj = (unsigned)m_active_vars_weights[j];
unsigned wk = (unsigned)m_active_vars_weights[k];
return wj != wk ? wj < wk : j < k;
return wj != wk ? wj > wk : j > k;
}
bool less_than_on_nex_pow(const nex_pow & a, const nex_pow& b) const {
return (a.pow() < b.pow()) || (a.pow() == b.pow() && lt(a.e(), b.e()));
return (a.pow() > b.pow()) || (a.pow() == b.pow() && lt(a.e(), b.e()));
}
void simplify_children_of_mul(vector<nex_pow> & children, rational&);