{"bugs":[],"categories":[{"categoryid":354,"name":"media-gfx","summary":"The media-gfx category contains graphics-related packages."},{"categoryid":318,"name":"sci-libs","summary":"The sci-libs category contains various science-related libraries."},{"categoryid":396,"name":"virtual","summary":"The virtual category contains packages which satisfy virtual dependencies."}],"changelog":[{"authoremail":"repomirrorci@gentoo.org","authorname":"Repository mirror & CI","commitid":"5fe61be7809bf71621edf97e3216d83390be96fc","committime":"2026-09-15T15:45:49","packageid":79409,"repoid":1,"summary":"Merge updates from master"},{"authoremail":"negril.nx+gentoo@gmail.com","authorname":"Paul Zander","body":"Closes: https:\/\/bugs.gentoo.org\/960116\nCloses: https:\/\/bugs.gentoo.org\/672548\nCloses: https:\/\/bugs.gentoo.org\/125773\nSigned-off-by: Paul Zander <negril.nx+gentoo@gmail.com>\nPart-of: https:\/\/codeberg.org\/gentoo\/gentoo\/pulls\/1856\nSigned-off-by: Sam James <sam@gentoo.org>","commitid":"95d4809404b3587215595064ef3cd18934a1ac0a","committime":"2026-06-04T14:11:45","packageid":79409,"repoid":1,"summary":"sci-libs\/calculix-ccx: new package, add 2.23"}],"dependencies":[{"block":false,"categoryid":396,"description":"Virtual for FORTRAN 77 BLAS implementation","ebuildids":[911322],"firstseen":"2010-05-04T00:54:45.661860","maintainer":"sci@gentoo.org","maintainername":"Gentoo Science Project","name":"blas","packageid":43239},{"block":false,"categoryid":318,"description":"Arnoldi package library to solve large scale eigenvalue problems","ebuildids":[911322],"firstseen":"2010-05-04T00:54:45.661860","maintainer":"sci@gentoo.org","maintainername":"Gentoo Science Project","name":"arpack","packageid":51416,"summary":"The ARnoldi PACKage is a library of routines capable of solving large scale symmetric, nonsymmetric, and generalized eigenproblems. The software is designed to compute a few eigenvalues with user specified features such as those of largest real part or largest magnitude. Storage requirements are on the order of n*k locations. No auxiliary storage is required. A set of Schur basis vectors for the desired k-dimensional eigen-space is computed which is numerically orthogonal to working precision. Numerically accurate eigenvectors are available on request."},{"block":false,"categoryid":396,"description":"Virtual for Linear Algebra Package FORTRAN 77 (LAPACK) implementation","ebuildids":[911322],"firstseen":"2010-05-04T00:54:45.661860","maintainer":"sci@gentoo.org","maintainername":"Gentoo Science Project","name":"lapack","packageid":55481},{"block":false,"categoryid":396,"description":"Virtual for Fortran Compiler","ebuildids":[911322],"firstseen":"2011-04-15T18:23:49.887464","maintainer":"sci@gentoo.org","maintainername":"Gentoo Science Project","name":"fortran","packageid":57236},{"block":false,"categoryid":318,"description":"SParse Object Oriented Linear Equations Solver","ebuildids":[911322],"firstseen":"2026-09-15T17:01:54.320401","name":"spooles","packageid":79410,"summary":"SPOOLES is a library for solving sparse real and complex linear systems of equations, written in the C language using object oriented design. At present, there is the following functionality: 1. Compute multiple minimum degree, generalized nested dissection and multisection orderings of matrices with symmetric structure. 2. Factor and solve square linear systems of equations with symmetric structure, with or without pivoting for stability. 3. Factor and solve overdetermined full rank systems of equations using a multifrontal QR factorization. 4. Solve square linear systems using a variety of Krylov iterative methods. The preconditioner is a drop tolerance factorization, with or without pivoting for stability."}],"depending":[{"block":false,"categoryid":354,"description":"Qt based Computer Aided Design application","ebuildids":[703528,911307],"firstseen":"2021-02-15T09:24:24.878501","name":"freecad","packageid":72476}],"ebuilds":[{"archs":["~amd64"],"ebuildid":911322,"firstseen":"2026-09-15T17:01:54.320401","license":"GPL-2","moddate":"2026-09-15T16:01:53","packageid":79409,"repoid":1,"slot":"0","uses":["doc","examples","openmp","threads"],"version":"2.23"}],"masks":[],"package":{"categoryid":318,"description":"A Free Software Three-Dimensional Structural Finite Element Program (Solver)","firstseen":"2026-09-15T17:01:54.320401","name":"calculix-ccx","packageid":79409},"rdependencies":[{"block":false,"categoryid":396,"description":"Virtual for FORTRAN 77 BLAS implementation","ebuildids":[911322],"firstseen":"2010-05-04T00:54:45.661860","maintainer":"sci@gentoo.org","maintainername":"Gentoo Science Project","name":"blas","packageid":43239},{"block":false,"categoryid":318,"description":"Arnoldi package library to solve large scale eigenvalue problems","ebuildids":[911322],"firstseen":"2010-05-04T00:54:45.661860","maintainer":"sci@gentoo.org","maintainername":"Gentoo Science Project","name":"arpack","packageid":51416,"summary":"The ARnoldi PACKage is a library of routines capable of solving large scale symmetric, nonsymmetric, and generalized eigenproblems. The software is designed to compute a few eigenvalues with user specified features such as those of largest real part or largest magnitude. Storage requirements are on the order of n*k locations. No auxiliary storage is required. A set of Schur basis vectors for the desired k-dimensional eigen-space is computed which is numerically orthogonal to working precision. Numerically accurate eigenvectors are available on request."},{"block":false,"categoryid":396,"description":"Virtual for Linear Algebra Package FORTRAN 77 (LAPACK) implementation","ebuildids":[911322],"firstseen":"2010-05-04T00:54:45.661860","maintainer":"sci@gentoo.org","maintainername":"Gentoo Science Project","name":"lapack","packageid":55481},{"block":false,"categoryid":396,"description":"Virtual for Fortran Compiler","ebuildids":[911322],"firstseen":"2011-04-15T18:23:49.887464","maintainer":"sci@gentoo.org","maintainername":"Gentoo Science Project","name":"fortran","packageid":57236},{"block":false,"categoryid":318,"description":"SParse Object Oriented Linear Equations Solver","ebuildids":[911322],"firstseen":"2026-09-15T17:01:54.320401","name":"spooles","packageid":79410,"summary":"SPOOLES is a library for solving sparse real and complex linear systems of equations, written in the C language using object oriented design. At present, there is the following functionality: 1. 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It is recommended to enable per package instead of globally","isdefault":false,"use":"doc"},{"description":"Install examples, usually source code","isdefault":false,"use":"examples"},{"description":"Build support for the OpenMP (support parallel computing), requires >=sys-devel\/gcc-4.2 built with USE=\"openmp\"","isdefault":false,"use":"openmp"},{"description":"Add threads support for various packages. Usually pthreads","isdefault":false,"use":"threads"}]}