gnu: Add robin-map.
* gnu/packages/datastructures.scm (robin-map): New variable.
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@ -3,6 +3,7 @@
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;;; Copyright © 2016, 2017, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
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;;; Copyright © 2018 Meiyo Peng <meiyo.peng@gmail.com>
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;;; Copyright © 2019 Efraim Flashner <efraim@flashner.co.il>
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;;; Copyright © 2020 Mark H Weaver <mhw@netris.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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@ -22,6 +23,7 @@
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(define-module (gnu packages datastructures)
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#:use-module (gnu packages)
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#:use-module (gnu packages autotools)
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#:use-module (gnu packages boost)
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#:use-module (gnu packages perl)
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#:use-module ((guix licenses) #:prefix license:)
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#:use-module (guix packages)
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@ -284,3 +286,41 @@ Burrows-Wheeler transformed string from a given string over a constant-size
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alphabet. The algorithm runs in O(n log n) worst-case time using only 5n+O(1)
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bytes of memory space, where n is the length of the string.")
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(license license:expat)))
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(define-public robin-map
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(package
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(name "robin-map")
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(version "0.6.3")
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(source (origin
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(method git-fetch)
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(uri (git-reference
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(url "https://github.com/Tessil/robin-map")
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(commit (string-append "v" version))))
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(file-name (git-file-name name version))
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(sha256
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(base32
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"1li70vwsksva9c4yly90hjafgqfixi1g6d52qq9p6r60vqc4pkjj"))))
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(build-system cmake-build-system)
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(native-inputs
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`(("boost" ,boost))) ; needed for tests
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(arguments
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`(#:phases
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(modify-phases %standard-phases
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(replace 'check
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(lambda _
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(mkdir "tests")
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(with-directory-excursion "tests"
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(invoke "cmake" "../../source/tests")
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(invoke "cmake" "--build" ".")
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(invoke "./tsl_robin_map_tests")))))))
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(home-page "https://github.com/Tessil/robin-map")
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(synopsis "C++ implementation of a fast hash map and hash set")
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(description "The robin-map library is a C++ implementation of a fast hash
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map and hash set using open-addressing and linear robin hood hashing with
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backward shift deletion to resolve collisions.
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Four classes are provided: tsl::robin_map, tsl::robin_set, tsl::robin_pg_map
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and tsl::robin_pg_set. The first two are faster and use a power of two growth
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policy, the last two use a prime growth policy instead and are able to cope
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better with a poor hash function.")
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(license license:expat)))
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