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32 lines
964 B
C++
32 lines
964 B
C++
/*
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Copyright (c) 2017 Microsoft Corporation
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Author: Nikolaj Bjorner
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*/
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#include "math/lp/lar_solver.h"
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#include "math/lp/monic.h"
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namespace nla {
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template <typename T>
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bool check_assignment(T const& m, variable_map_type & vars) {
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rational r1 = vars[m.var()];
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if (r1.is_zero())
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return any_of(m.vars(), [&](auto w) { return vars[w].is_zero(); });
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rational r2(1);
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for (auto w : m.vars())
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r2 *= vars[w];
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return r1 == r2;
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}
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template <typename K>
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bool check_assignments(const K & monomials,
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const lp::lar_solver& s,
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variable_map_type & vars) {
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s.get_model(vars);
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return all_of(monomials, [&](auto const& m) { return check_assignment(m, vars); });
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}
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template bool check_assignments<vector<mon_eq>>(const vector<mon_eq>&,
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const lp::lar_solver& s,
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variable_map_type & vars);
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}
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