diff options
Diffstat (limited to 'test/sparse_solver.h')
| -rw-r--r-- | test/sparse_solver.h | 70 |
1 files changed, 68 insertions, 2 deletions
diff --git a/test/sparse_solver.h b/test/sparse_solver.h index d84aff070..ee350d561 100644 --- a/test/sparse_solver.h +++ b/test/sparse_solver.h @@ -15,6 +15,7 @@ void check_sparse_solving(Solver& solver, const typename Solver::MatrixType& A, { typedef typename Solver::MatrixType Mat; typedef typename Mat::Scalar Scalar; + typedef typename Mat::Index Index; DenseRhs refX = dA.lu().solve(db); { @@ -35,8 +36,8 @@ void check_sparse_solving(Solver& solver, const typename Solver::MatrixType& A, return; } VERIFY(oldb.isApprox(b) && "sparse solver testing: the rhs should not be modified!"); - VERIFY(x.isApprox(refX,test_precision<Scalar>())); + x.setZero(); // test the analyze/factorize API solver.analyzePattern(A); @@ -54,8 +55,31 @@ void check_sparse_solving(Solver& solver, const typename Solver::MatrixType& A, return; } VERIFY(oldb.isApprox(b) && "sparse solver testing: the rhs should not be modified!"); - VERIFY(x.isApprox(refX,test_precision<Scalar>())); + + + x.setZero(); + // test with Map + MappedSparseMatrix<Scalar,Mat::Options,Index> Am(A.rows(), A.cols(), A.nonZeros(), const_cast<Index*>(A.outerIndexPtr()), const_cast<Index*>(A.innerIndexPtr()), const_cast<Scalar*>(A.valuePtr())); + solver.compute(Am); + if (solver.info() != Success) + { + std::cerr << "sparse solver testing: factorization failed (check_sparse_solving)\n"; + exit(0); + return; + } + DenseRhs dx(refX); + dx.setZero(); + Map<DenseRhs> xm(dx.data(), dx.rows(), dx.cols()); + Map<const DenseRhs> bm(db.data(), db.rows(), db.cols()); + xm = solver.solve(bm); + if (solver.info() != Success) + { + std::cerr << "sparse solver testing: solving failed\n"; + return; + } + VERIFY(oldb.isApprox(bm) && "sparse solver testing: the rhs should not be modified!"); + VERIFY(xm.isApprox(refX,test_precision<Scalar>())); } // test dense Block as the result and rhs: @@ -67,6 +91,15 @@ void check_sparse_solving(Solver& solver, const typename Solver::MatrixType& A, VERIFY(oldb.isApprox(db) && "sparse solver testing: the rhs should not be modified!"); VERIFY(x.isApprox(refX,test_precision<Scalar>())); } + + // test uncompressed inputs + { + Mat A2 = A; + A2.reserve((ArrayXf::Random(A.outerSize())+2).template cast<typename Mat::Index>().eval()); + solver.compute(A2); + Rhs x = solver.solve(b); + VERIFY(x.isApprox(refX,test_precision<Scalar>())); + } } template<typename Solver, typename Rhs> @@ -124,7 +157,23 @@ void check_sparse_determinant(Solver& solver, const typename Solver::MatrixType& Scalar refDet = dA.determinant(); VERIFY_IS_APPROX(refDet,solver.determinant()); } +template<typename Solver, typename DenseMat> +void check_sparse_abs_determinant(Solver& solver, const typename Solver::MatrixType& A, const DenseMat& dA) +{ + using std::abs; + typedef typename Solver::MatrixType Mat; + typedef typename Mat::Scalar Scalar; + + solver.compute(A); + if (solver.info() != Success) + { + std::cerr << "sparse solver testing: factorization failed (check_sparse_abs_determinant)\n"; + return; + } + Scalar refDet = abs(dA.determinant()); + VERIFY_IS_APPROX(refDet,solver.absDeterminant()); +} template<typename Solver, typename DenseMat> int generate_sparse_spd_problem(Solver& , typename Solver::MatrixType& A, typename Solver::MatrixType& halfA, DenseMat& dA, int maxSize = 300) @@ -324,3 +373,20 @@ template<typename Solver> void check_sparse_square_determinant(Solver& solver) check_sparse_determinant(solver, A, dA); } } + +template<typename Solver> void check_sparse_square_abs_determinant(Solver& solver) +{ + typedef typename Solver::MatrixType Mat; + typedef typename Mat::Scalar Scalar; + typedef Matrix<Scalar,Dynamic,Dynamic> DenseMatrix; + + // generate the problem + Mat A; + DenseMatrix dA; + generate_sparse_square_problem(solver, A, dA, 30); + A.makeCompressed(); + for (int i = 0; i < g_repeat; i++) { + check_sparse_abs_determinant(solver, A, dA); + } +} + |