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add dummy implementations

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-04-20 14:02:12 -07:00
parent fc60690742
commit ce8184382d
3 changed files with 61 additions and 53 deletions
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11
src/math/simplex/sparse_matrix.h
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@ -256,6 +256,17 @@ namespace simplex {
col_iterator col_begin(int v) const { return col_iterator(m_columns[v], m_rows, true); }
col_iterator col_end(int v) const { return col_iterator(m_columns[v], m_rows, false); }
class col_entries_t {
sparse_matrix const& m;
int v;
public:
col_entries_t(sparse_matrix const& m, int v): m(m), v(v) {}
col_iterator begin() { return m.col_begin(v); }
col_iterator end() { return m.col_end(v); }
};
col_entries_t col_entries(int v) { return col_entries_t(*this, v); }
void display(std::ostream& out);
void display_row(std::ostream& out, row const& r);
bool well_formed() const;