<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd"> <pkgmetadata> <maintainer type="project"> <email>sci@gentoo.org</email> <name>Gentoo Science Project</name> </maintainer> <longdescription lang="en"> Ceres Solver is a portable C++ library that allows for modeling and solving large complicated nonlinear least squares problems. It features: * automatic differentiation * robust loss functions * local parameterizations * threaded Jacobian evaluators and linear solvers * Levenberg-Marquardt and Dogleg (Powell, Subspace) solvers * Dense QR and Cholesky factorization (using Eigen) for small problems * Sparse Cholesky factorization (using SuiteSparse) for large sparse problems * Specialized solvers for bundle adjustment problems in computer vision * Iterative linear solvers for general sparse and bundle adjustment problems </longdescription> <use> <flag name="cxsparse">Enable simple support for sparse matrix algebra from <pkg>sci-libs/cxsparse</pkg> with no LAPACK dependencies</flag> <flag name="schur">Enable fixed-size schur specializations (disable if binary size is an issue)</flag> <flag name="sparse">Enable support for sparse matrix algebra with various packages from SuiteSparse</flag> <flag name="gflags">Use <pkg>dev-cpp/gflags</pkg> for flag parsing</flag> <flag name="c++11">Build ceres-solver using the C++11 standard</flag> </use> </pkgmetadata>