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[82.25.93.113]) by smtp.gmail.com with ESMTPSA id t11-20020a5d49cb000000b002383fc96509sm16021788wrs.47.2022.11.16.14.50.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Nov 2022 14:50:45 -0800 (PST) From: Sharlatan Hellseher Date: Wed, 16 Nov 2022 22:50:35 +0000 Message-Id: <20221116225035.12435-1-sharlatanus@gmail.com> X-Mailer: git-send-email 2.38.0 MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42c; envelope-from=sharlatanus@gmail.com; helo=mail-wr1-x42c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+patchwork=mira.cbaines.net@gnu.org Sender: guix-patches-bounces+patchwork=mira.cbaines.net@gnu.org X-getmail-retrieved-from-mailbox: Patches * gnu/packages/astronomy.scm (alfa): New variable. --- gnu/packages/astronomy.scm | 53 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm index bc31a12594..c5f0944219 100644 --- a/gnu/packages/astronomy.scm +++ b/gnu/packages/astronomy.scm @@ -86,6 +86,59 @@ (define-module (gnu packages astronomy) #:use-module (ice-9 match) #:use-module (srfi srfi-1)) +(define-public alfa + (package + (name "alfa") + (version "2.2") + (source + (origin + (method git-fetch) + (uri (git-reference + (url "https://github.com/rwesson/ALFA") + (commit (string-append "v" version)))) + (sha256 + (base32 "0aqxqar36822mh373awsl79j7zn8vik4yddyydsxv0c76gn4i2k3")) + (file-name (git-file-name name version)))) + (build-system gnu-build-system) + (arguments + (list + #:parallel-build? #f + #:make-flags + #~(list (string-append "PREFIX=" #$output) + (string-append "VERSION=" #$version)) + #:phases + #~(modify-phases %standard-phases + (delete 'configure) + (delete 'check) + (add-after 'install 'post-install-check + (lambda* (#:key tests? #:allow-other-keys) + (when tests? + (invoke "make" "fittest"))))))) + (inputs (list cfitsio gfortran)) + (home-page "https://nebulousresearch.org/codes/alfa/") + (synopsis "Automated Line Fitting Algorithm") + (description + "This package provides @acronym{ALFA, Automatic line fitting algorithm} +which can identify and fit hundreds of lines in emission line spectra in just a +few seconds with following features: +@itemize + +@item A population of synthetic spectra is generated using a reference line +catalogue. + +@item The goodness of fit for each synthetic spectrum is calculated. The best +sets of parameters are retained and the rest discarded. + +@item A new population of synthetic spectra is obtained by averaging pairs of +the best performers. + +@item A small fraction of the parameters of the lines in the new generation are +randomly altered. + +@item The process repeats until a good fit is obtained. +@end itemize") + (license license:gpl3+))) + (define-public aocommon (let ((commit "7329a075271edab8f6264db649e81e62b2b6ae5e") (revision "1"))