47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
/**
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* @file LP.h
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* @brief Struct used to hold a Linear Programming Problem
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* @author Ivan Dario Jimenez
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* @date 1/24/16
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*/
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#pragma once
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#include <string>
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namespace gtsam {
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using namespace std;
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struct LP {
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LinearCost cost; //!< Linear cost factor
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EqualityFactorGraph equalities; //!< Linear equality constraints: cE(x) = 0
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InequalityFactorGraph inequalities; //!< Linear inequality constraints: cI(x) <= 0
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/// check feasibility
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bool isFeasible(const VectorValues& x) const {
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return (equalities.error(x) == 0 && inequalities.error(x) == 0);
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}
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/// print
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void print(const string& s = "") const {
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std::cout << s << std::endl;
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cost.print("Linear cost: ");
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equalities.print("Linear equality factors: ");
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inequalities.print("Linear inequality factors: ");
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}
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/// equals
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bool equals(const LP& other, double tol = 1e-9) const {
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return cost.equals(other.cost) && equalities.equals(other.equalities)
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&& inequalities.equals(other.inequalities);
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}
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typedef boost::shared_ptr<LP> shared_ptr;
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};
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/// traits
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template<> struct traits<LP> : public Testable<LP> {
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};
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}
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