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7395152632
* factor out coi, use polynomial elaboration for nlsat solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove unused functionality Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> --------- Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
43 lines
No EOL
1 KiB
C++
43 lines
No EOL
1 KiB
C++
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/*++
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Copyright (c) 2025 Microsoft Corporation
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Abstract:
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Class for computing the cone of influence for NL constraints.
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It includes variables that come from monomials that have incorrect evaluation and
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transitively all constraints and variables that are connected.
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Author:
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Lev Nachmanson (levnach)
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Nikolaj Bjorner (nbjorner)
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--*/
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#pragma once
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namespace nla {
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class core;
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class coi {
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core& c;
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indexed_uint_set m_mon_set, m_constraint_set;
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indexed_uint_set m_term_set, m_var_set;
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struct occurs {
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unsigned_vector constraints;
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unsigned_vector monics;
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unsigned_vector terms;
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};
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public:
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coi(core& c) : c(c) {}
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void init();
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indexed_uint_set const& mons() const { return m_mon_set; }
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indexed_uint_set const& constraints() const { return m_constraint_set; }
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indexed_uint_set& terms() { return m_term_set; }
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indexed_uint_set const &vars() { return m_var_set; }
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};
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} |