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mv util/lp to math/lp

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-06-03 16:46:19 -07:00
parent b6513b8e2d
commit 33cbd29ed0
150 changed files with 524 additions and 479 deletions
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40
src/math/lp/mon_eq.cpp Normal file
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/*
Copyright (c) 2017 Microsoft Corporation
Author: Nikolaj Bjorner
*/
#include "math/lp/lar_solver.h"
#include "math/lp/monomial.h"
namespace nla {
template <typename T>
bool check_assignment(T const& m, variable_map_type & vars) {
rational r1 = vars[m.var()];
if (r1.is_zero()) {
for (auto w : m.vars()) {
if (vars[w].is_zero())
return true;
}
return false;
}
rational r2(1);
for (auto w : m.vars()) {
r2 *= vars[w];
}
return r1 == r2;
}
template <typename K>
bool check_assignments(const K & monomials,
const lp::lar_solver& s,
variable_map_type & vars) {
s.get_model(vars);
for (auto const& m : monomials) {
if (!check_assignment(m, vars)) return false;
}
return true;
}
template bool check_assignments<vector<mon_eq>>(const vector<mon_eq>&,
const lp::lar_solver& s,
variable_map_type & vars);
}