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116 lines
6.5 KiB
116 lines
6.5 KiB
#include "gtest/gtest.h"
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#include "storm-config.h"
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#include "src/solver/GmmxxMinMaxLinearEquationSolver.h"
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#include "src/settings/SettingsManager.h"
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#include "src/settings/modules/GmmxxEquationSolverSettings.h"
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#include "src/storage/SparseMatrix.h"
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TEST(GmmxxMinMaxLinearEquationSolver, SolveWithStandardOptions) {
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storm::storage::SparseMatrixBuilder<double> builder(0, 0, 0, false, true);
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ASSERT_NO_THROW(builder.newRowGroup(0));
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ASSERT_NO_THROW(builder.addNextValue(0, 0, 0.9));
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storm::storage::SparseMatrix<double> A;
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ASSERT_NO_THROW(A = builder.build(2));
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std::vector<double> x(1);
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std::vector<double> b = {0.099, 0.5};
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storm::solver::GmmxxMinMaxLinearEquationSolver<double> solver(A);
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ASSERT_NO_THROW(solver.solveEquationSystem(storm::OptimizationDirection::Minimize, x, b));
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ASSERT_LT(std::abs(x[0] - 0.5), storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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ASSERT_NO_THROW(solver.solveEquationSystem(storm::OptimizationDirection::Maximize, x, b));
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ASSERT_LT(std::abs(x[0] - 0.989991), storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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}
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// TODO add better tests here.
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TEST(GmmxxMinMaxLinearEquationSolver, SolveWithStandardOptionsAndEarlyTermination) {
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storm::storage::SparseMatrixBuilder<double> builder(0, 0, 0, false, true);
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ASSERT_NO_THROW(builder.newRowGroup(0));
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ASSERT_NO_THROW(builder.addNextValue(0, 0, 0.9));
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storm::storage::SparseMatrix<double> A;
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ASSERT_NO_THROW(A = builder.build(2));
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std::vector<double> x(1);
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std::vector<double> b = {0.099, 0.5};
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double bound = 0.8;
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storm::solver::GmmxxMinMaxLinearEquationSolver<double> solver(A);
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solver.setTerminationCondition(std::make_unique<storm::solver::TerminateIfFilteredExtremumExceedsThreshold<double>>(storm::storage::BitVector(A.getRowGroupCount(), true), bound, false, true));
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ASSERT_NO_THROW(solver.solveEquationSystem(storm::OptimizationDirection::Minimize, x, b));
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ASSERT_LT(std::abs(x[0] - 0.5), storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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ASSERT_NO_THROW(solver.solveEquationSystem(storm::OptimizationDirection::Maximize, x, b));
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ASSERT_LT(std::abs(x[0] - 0.989991), 0.989991 - bound - storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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bound = 0.6;
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solver.setTerminationCondition(std::make_unique<storm::solver::TerminateIfFilteredExtremumExceedsThreshold<double>>(storm::storage::BitVector(A.getRowGroupCount(), true), bound, false, true));
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ASSERT_NO_THROW(solver.solveEquationSystem(storm::OptimizationDirection::Maximize, x, b));
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ASSERT_LT(std::abs(x[0] - 0.989991), 0.989991 - bound - storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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}
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TEST(GmmxxMinMaxLinearEquationSolver, MatrixVectorMultiplication) {
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storm::storage::SparseMatrixBuilder<double> builder(0, 0, 0, false, true);
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ASSERT_NO_THROW(builder.newRowGroup(0));
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ASSERT_NO_THROW(builder.addNextValue(0, 0, 0.9));
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ASSERT_NO_THROW(builder.addNextValue(0, 1, 0.099));
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ASSERT_NO_THROW(builder.addNextValue(0, 2, 0.001));
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ASSERT_NO_THROW(builder.addNextValue(1, 1, 0.5));
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ASSERT_NO_THROW(builder.addNextValue(1, 2, 0.5));
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ASSERT_NO_THROW(builder.newRowGroup(2));
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ASSERT_NO_THROW(builder.addNextValue(2, 1, 1));
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ASSERT_NO_THROW(builder.newRowGroup(3));
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ASSERT_NO_THROW(builder.addNextValue(3, 2, 1));
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storm::storage::SparseMatrix<double> A;
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ASSERT_NO_THROW(A = builder.build());
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std::vector<double> x = {0, 1, 0};
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ASSERT_NO_THROW(storm::solver::GmmxxMinMaxLinearEquationSolver<double> solver(A));
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storm::solver::GmmxxMinMaxLinearEquationSolver<double> solver(A);
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ASSERT_NO_THROW(solver.performMatrixVectorMultiplication(storm::OptimizationDirection::Minimize, x, nullptr, 1));
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ASSERT_LT(std::abs(x[0] - 0.099), storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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x = {0, 1, 0};
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ASSERT_NO_THROW(solver.performMatrixVectorMultiplication(storm::OptimizationDirection::Minimize, x, nullptr, 2));
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ASSERT_LT(std::abs(x[0] - 0.1881), storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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x = {0, 1, 0};
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ASSERT_NO_THROW(solver.performMatrixVectorMultiplication(storm::OptimizationDirection::Minimize, x, nullptr, 20));
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ASSERT_LT(std::abs(x[0] - 0.5), storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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x = {0, 1, 0};
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ASSERT_NO_THROW(solver.performMatrixVectorMultiplication(storm::OptimizationDirection::Maximize, x, nullptr, 1));
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ASSERT_LT(std::abs(x[0] - 0.5), storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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x = {0, 1, 0};
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ASSERT_NO_THROW(solver.performMatrixVectorMultiplication(storm::OptimizationDirection::Maximize, x, nullptr, 20));
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ASSERT_LT(std::abs(x[0] - 0.9238082658), storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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}
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TEST(GmmxxMinMaxLinearEquationSolver, SolveWithPolicyIteration) {
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storm::storage::SparseMatrixBuilder<double> builder(0, 0, 0, false, true);
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ASSERT_NO_THROW(builder.newRowGroup(0));
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ASSERT_NO_THROW(builder.addNextValue(0, 0, 0.9));
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storm::storage::SparseMatrix<double> A;
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ASSERT_NO_THROW(A = builder.build(2));
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std::vector<double> x(1);
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std::vector<double> b = { 0.099, 0.5 };
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storm::settings::modules::GmmxxEquationSolverSettings const& settings = storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>();
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storm::solver::GmmxxMinMaxLinearEquationSolver<double> solver(A, settings.getPrecision(), settings.getMaximalIterationCount(), storm::solver::MinMaxTechniqueSelection::PolicyIteration, settings.getConvergenceCriterion() == storm::settings::modules::GmmxxEquationSolverSettings::ConvergenceCriterion::Relative);
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ASSERT_NO_THROW(solver.solveEquationSystem(storm::OptimizationDirection::Minimize, x, b));
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ASSERT_LT(std::abs(x[0] - 0.5), storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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ASSERT_NO_THROW(solver.solveEquationSystem(storm::OptimizationDirection::Maximize, x, b));
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ASSERT_LT(std::abs(x[0] - 0.99), storm::settings::getModule<storm::settings::modules::GmmxxEquationSolverSettings>().getPrecision());
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}
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