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add new API for Cholmod preserving the legacy one for now

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This commit is contained in:
Gael Guennebaud
2010-10-26 15:48:33 +02:00
parent 7bc8e3ac09
commit 666c16cf63
4 changed files with 768 additions and 387 deletions
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18
unsupported/test/sparse_llt.cpp
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@@ -56,6 +56,7 @@ template<typename Scalar> void sparse_llt(int rows, int cols)
}
#ifdef EIGEN_CHOLMOD_SUPPORT
// legacy API
{
// Cholmod, as configured in CholmodSupport.h, only supports self-adjoint matrices
SparseMatrix<Scalar> m3 = m2.adjoint()*m2;
@@ -65,9 +66,24 @@ template<typename Scalar> void sparse_llt(int rows, int cols)
x = b;
SparseLLT<SparseMatrix<Scalar>, Cholmod>(m3).solveInPlace(x);
VERIFY((m3*x).isApprox(b,test_precision<Scalar>()) && "LLT: cholmod solveInPlace");
VERIFY((m3*x).isApprox(b,test_precision<Scalar>()) && "LLT legacy: cholmod solveInPlace");
x = SparseLLT<SparseMatrix<Scalar>, Cholmod>(m3).solve(b);
VERIFY(refX.isApprox(x,test_precision<Scalar>()) && "LLT legacy: cholmod solve");
}
// new API
{
// Cholmod, as configured in CholmodSupport.h, only supports self-adjoint matrices
SparseMatrix<Scalar> m3 = m2.adjoint()*m2;
DenseMatrix refMat3 = refMat2.adjoint()*refMat2;
refX = refMat3.template selfadjointView<Lower>().llt().solve(b);
x = CholmodDecomposition<SparseMatrix<Scalar>, Lower>(m3).solve(b);
VERIFY(refX.isApprox(x,test_precision<Scalar>()) && "LLT: cholmod solve");
x = CholmodDecomposition<SparseMatrix<Scalar>, Upper>(m3).solve(b);
VERIFY(refX.isApprox(x,test_precision<Scalar>()) && "LLT: cholmod solve");
}
#endif