GNU bug report logs - #65096
[PATCH 00/10] And OpenTURNS and some math libraries.

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Message #23 received at 65096 <at> debbugs.gnu.org (full text, mbox):

From: Vinicius Monego <monego <at> posteo.net>
To: 65096 <at> debbugs.gnu.org
Cc: Vinicius Monego <monego <at> posteo.net>
Subject: [PATCH 06/10] gnu: Add spectra.
Date: Sat,  5 Aug 2023 13:31:19 +0000

* gnu/packages/algebra.scm (spectra): New variable.
---
 gnu/packages/algebra.scm | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index a717750c7b..20a3d403b1 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -1398,6 +1398,40 @@ (define-public gap
     ;; safe side, we drop them for now.
     (license license:gpl2+)))
 
+(define-public spectra
+  (package
+    (name "spectra")
+    (version "1.0.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/yixuan/spectra")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1krgx7763g0phrp879rgq10dvfyxrdx9rzwxiyzn6qi3iqr6d8hx"))))
+    (build-system cmake-build-system)
+    (arguments
+     (list #:configure-flags #~(list "-DBUILD_TESTS=ON")
+           #:phases
+           #~(modify-phases %standard-phases
+               (replace 'check
+                 (lambda* (#:key tests? #:allow-other-keys)
+                   (when tests?
+                     ;; This test failed.
+                     (invoke "ctest" "--exclude-regex"
+                             "GenEigsRealShift")))))))
+    (inputs (list eigen))
+    (home-page "https://spectralib.org/")
+    (synopsis "C++ library for large scale eigenvalue problems")
+    (description "Spectra stands for Sparse Eigenvalue Computation Toolkit as
+a Redesigned ARPACK.  It is a C++ library for large scale eigenvalue problems,
+built on top of Eigen.  It is implemented as a header-only C++ library and can
+be easily embedded in C++ projects that require calculating eigenvalues of
+large matrices.")
+    (license license:mpl2.0)))
+
 (define-public gappa
   (package
     (name "gappa")
-- 
2.34.1

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