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72 lines
3.1 KiB
Scheme
72 lines
3.1 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2015, 2016 Ricardo Wurmus <rekado@elephly.net>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu packages datastructures)
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#:use-module (gnu packages)
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#:use-module ((guix licenses) #:prefix license:)
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#:use-module (guix packages)
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#:use-module (guix download)
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#:use-module (guix build-system gnu))
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(define-public gdsl
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(package
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(name "gdsl")
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(version "1.8")
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(source (origin
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(method url-fetch)
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(uri (string-append "http://download.gna.org/gdsl/"
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"gdsl-" version ".tar.gz"))
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(sha256
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(base32
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"1v64jvlnj8jfpphphgjgb36p0kv50kwfyqncf0y12f16v8ydyiaw"))))
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(build-system gnu-build-system)
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(home-page "http://home.gna.org/gdsl/")
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(synopsis "Generic data structures library")
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(description "The Generic Data Structures Library (GDSL) is a collection
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of routines for generic data structures manipulation. It is a re-entrant
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library fully written from scratch in pure ANSI C. It is designed to offer
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for C programmers common data structures with powerful algorithms, and hidden
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implementation. Available structures are lists, queues, stacks, hash tables,
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binary trees, binary search trees, red-black trees, 2D arrays, permutations
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and heaps.")
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(license license:gpl2+)))
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(define-public sparsehash
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(package
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(name "sparsehash")
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(version "2.0.3")
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(source (origin
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(method url-fetch)
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(uri (string-append "https://github.com/sparsehash/sparsehash/"
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"archive/sparsehash-" version ".tar.gz"))
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(sha256
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(base32
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"133szz0ldwch0kd91l0sa57qsnl020njn622szd9cxrjqyjqds85"))))
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(build-system gnu-build-system)
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(synopsis "Memory-efficient hashtable implementations")
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(description
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"This library contains several hash-map implementations, similar in API
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to SGI's @code{hash_map} class, but with different performance
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characteristics. @code{sparse_hash_map} uses very little space overhead, 1-2
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bits per entry. @code{dense_hash_map} is very fast, particulary on lookup.
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@code{sparse_hash_set} and @code{dense_hash_set} are the set versions of these
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routines. All these implementation use a hashtable with internal quadratic
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probing. This method is space-efficient -- there is no pointer overhead --
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and time-efficient for good hash functions.")
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(home-page "https://github.com/sparsehash/sparsehash")
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(license license:bsd-3)))
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