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65 lines
3.3 KiB
65 lines
3.3 KiB
#include "gtest/gtest.h"
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#include "storm-config.h"
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#include "src/solver/GmmxxNondeterministicLinearEquationSolver.h"
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#include "src/settings/Settings.h"
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TEST(GmmxxNondeterministicLinearEquationSolver, SolveWithStandardOptions) {
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storm::storage::SparseMatrixBuilder<double> builder(0, 0, 0, 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::GmmxxNondeterministicLinearEquationSolver<double> solver;
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ASSERT_NO_THROW(solver.solveEquationSystem(true, A, x, b));
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ASSERT_LT(std::abs(x[0] - 0.5), storm::settings::Settings::getInstance()->getOptionByLongName("precision").getArgument(0).getValueAsDouble());
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ASSERT_NO_THROW(solver.solveEquationSystem(false, A, x, b));
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ASSERT_LT(std::abs(x[0] - 0.989991), storm::settings::Settings::getInstance()->getOptionByLongName("precision").getArgument(0).getValueAsDouble());
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}
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TEST(GmmxxNondeterministicLinearEquationSolver, MatrixVectorMultiplication) {
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storm::storage::SparseMatrixBuilder<double> builder(0, 0, 0, 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::GmmxxNondeterministicLinearEquationSolver<double> solver);
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storm::solver::GmmxxNondeterministicLinearEquationSolver<double> solver;
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ASSERT_NO_THROW(solver.performMatrixVectorMultiplication(true, A, x, nullptr, 1));
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ASSERT_LT(std::abs(x[0] - 0.099), storm::settings::Settings::getInstance()->getOptionByLongName("precision").getArgument(0).getValueAsDouble());
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x = {0, 1, 0};
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ASSERT_NO_THROW(solver.performMatrixVectorMultiplication(true, A, x, nullptr, 2));
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ASSERT_LT(std::abs(x[0] - 0.1881), storm::settings::Settings::getInstance()->getOptionByLongName("precision").getArgument(0).getValueAsDouble());
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x = {0, 1, 0};
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ASSERT_NO_THROW(solver.performMatrixVectorMultiplication(true, A, x, nullptr, 20));
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ASSERT_LT(std::abs(x[0] - 0.5), storm::settings::Settings::getInstance()->getOptionByLongName("precision").getArgument(0).getValueAsDouble());
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x = {0, 1, 0};
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ASSERT_NO_THROW(solver.performMatrixVectorMultiplication(false, A, x, nullptr, 1));
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ASSERT_LT(std::abs(x[0] - 0.5), storm::settings::Settings::getInstance()->getOptionByLongName("precision").getArgument(0).getValueAsDouble());
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x = {0, 1, 0};
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ASSERT_NO_THROW(solver.performMatrixVectorMultiplication(false, A, x, nullptr, 20));
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ASSERT_LT(std::abs(x[0] - 0.9238082658), storm::settings::Settings::getInstance()->getOptionByLongName("precision").getArgument(0).getValueAsDouble());
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}
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