minor chnages in Taucs and Cholmod backends

This commit is contained in:
Gael Guennebaud
2010-05-19 16:49:05 +02:00
parent 2b6153d3ed
commit 64cbd45266
3 changed files with 34 additions and 21 deletions

View File

@@ -131,16 +131,20 @@ template<typename Scalar> void sparse_solvers(int rows, int cols)
#endif
#ifdef EIGEN_TAUCS_SUPPORT
x = b;
SparseLLT<SparseMatrix<Scalar> ,Taucs>(m2,IncompleteFactorization).solveInPlace(x);
VERIFY(refX.isApprox(x,test_precision<Scalar>()) && "LLT: taucs (IncompleteFactorization)");
// TODO fix TAUCS with complexes
x = b;
SparseLLT<SparseMatrix<Scalar> ,Taucs>(m2,SupernodalMultifrontal).solveInPlace(x);
VERIFY(refX.isApprox(x,test_precision<Scalar>()) && "LLT: taucs (SupernodalMultifrontal)");
x = b;
SparseLLT<SparseMatrix<Scalar> ,Taucs>(m2,SupernodalLeftLooking).solveInPlace(x);
VERIFY(refX.isApprox(x,test_precision<Scalar>()) && "LLT: taucs (SupernodalLeftLooking)");
if (!NumTraits<Scalar>::IsComplex)
{
x = b;
// SparseLLT<SparseMatrix<Scalar> ,Taucs>(m2,IncompleteFactorization).solveInPlace(x);
// VERIFY(refX.isApprox(x,test_precision<Scalar>()) && "LLT: taucs (IncompleteFactorization)");
x = b;
SparseLLT<SparseMatrix<Scalar> ,Taucs>(m2,SupernodalMultifrontal).solveInPlace(x);
VERIFY(refX.isApprox(x,test_precision<Scalar>()) && "LLT: taucs (SupernodalMultifrontal)");
x = b;
SparseLLT<SparseMatrix<Scalar> ,Taucs>(m2,SupernodalLeftLooking).solveInPlace(x);
VERIFY(refX.isApprox(x,test_precision<Scalar>()) && "LLT: taucs (SupernodalLeftLooking)");
}
#endif
}
@@ -154,9 +158,9 @@ template<typename Scalar> void sparse_solvers(int rows, int cols)
DenseVector b = DenseVector::Random(cols);
DenseVector refX(cols), x(cols);
//initSPD(density, refMat2, m2);
// initSPD(density, refMat2, m2);
initSparse<Scalar>(density, refMat2, m2, ForceNonZeroDiag|MakeUpperTriangular, 0, 0);
refMat2 += refMat2.adjoint();
refMat2 += (refMat2.adjoint()).eval();
refMat2.diagonal() *= 0.5;
refX = refMat2.llt().solve(b); // FIXME use LLT to compute the reference because LDLT seems to fail with large matrices
@@ -202,7 +206,7 @@ template<typename Scalar> void sparse_solvers(int rows, int cols)
}
if (slu.solve(b, &x, SvAdjoint)) {
// VERIFY(b.isApprox(m2.adjoint() * x, test_precision<Scalar>()));
VERIFY(b.isApprox(m2.adjoint() * x, test_precision<Scalar>()));
}
if (count==0) {
@@ -236,8 +240,8 @@ template<typename Scalar> void sparse_solvers(int rows, int cols)
void test_sparse_solvers()
{
for(int i = 0; i < g_repeat; i++) {
// CALL_SUBTEST(sparse_solvers<double>(8, 8) );
CALL_SUBTEST(sparse_solvers<std::complex<double> >(16, 16) );
// CALL_SUBTEST(sparse_solvers<double>(100, 100) );
CALL_SUBTEST_1(sparse_solvers<double>(8, 8) );
CALL_SUBTEST_2(sparse_solvers<std::complex<double> >(16, 16) );
CALL_SUBTEST_1(sparse_solvers<double>(100, 100) );
}
}