7 #if EIGEN_VERSION_AT_LEAST(3, 2, 0)
12 #if EIGEN_VERSION_AT_LEAST(3, 3, 5)
18 using namespace Eigen;
19 ConjugateGradientVisitor<
20 ConjugateGradient<MatrixXd, Lower | Upper> >
::expose();
21 #if EIGEN_VERSION_AT_LEAST(3, 3, 5)
22 LeastSquaresConjugateGradientVisitor<LeastSquaresConjugateGradient<
24 LeastSquareDiagonalPreconditioner<MatrixXd::Scalar> > >
::expose();
28 ConjugateGradientVisitor<
29 ConjugateGradient<MatrixXd, Lower | Upper, IdentityPreconditioner> >
::
30 expose(
"IdentityConjugateGradient");