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change lar_terms to use column indices

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-06 11:51:06 -07:00
parent 3313590b95
commit c2e5cd78c8
13 changed files with 88 additions and 103 deletions
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9
src/math/lp/lar_term.h
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@ -123,8 +123,7 @@ public:
const mpq & m_coeff;
public:
ival(unsigned var, const mpq & val) : m_var(var), m_coeff(val) { }
unsigned raw() const { return m_var; }
tv var() const { return tv::raw(m_var); }
column_index column() const { return column_index(m_var); }
const mpq & coeff() const { return m_coeff; }
};
@ -143,13 +142,13 @@ public:
lpvar min_var = -1;
mpq c;
for (const auto & p : *this) {
if (p.var().index() < min_var) {
min_var = p.var().index();
if (p.column() < min_var) {
min_var = p.column();
}
}
lar_term r;
for (const auto & p : *this) {
if (p.var().index() == min_var) {
if (p.column() == min_var) {
return p.coeff().is_one();
}
}