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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages multiprecision)
+ #:use-module (guix licenses)
+ #:use-module (distro)
+ #:use-module (gnu packages m4)
+ #:use-module (guix packages)
+ #:use-module (guix download)
+ #:use-module (guix utils)
+ #:use-module (guix build-system gnu))
+
+(define-public gmp
+ (package
+ (name "gmp")
+ (version "5.1.0")
+ (source (origin
+ (method url-fetch)
+ (uri
+ ;; Note: this version is not available from GNU mirrors
+ ;; because it was made with an Automake affected by
+ ;; CVE-2012-3386.
+ (string-append "ftp://ftp.gmplib.org/pub/gmp-"
+ version "/gmp-" version ".tar.bz2"))
+ (sha256
+ (base32
+ "15n7xxgasbxdch8ii8z9ic6fxc2ysk3q8iavf55abjp5iylspnfz"))))
+ (build-system gnu-build-system)
+ (native-inputs `(("m4" ,m4)))
+ (arguments `(#:configure-flags
+ '(;; Build a "fat binary", with routines for several
+ ;; sub-architectures.
+ "--enable-fat"
+ "--enable-cxx")))
+ (synopsis "GMP, the GNU multiple precision arithmetic library")
+ (description
+ "GMP is a free library for arbitrary precision arithmetic, operating on
+signed integers, rational numbers, and floating point numbers. There is no
+practical limit to the precision except the ones implied by the available
+memory in the machine GMP runs on. GMP has a rich set of functions, and the
+functions have a regular interface.
+
+The main target applications for GMP are cryptography applications and
+research, Internet security applications, algebra systems, computational
+algebra research, etc.
+
+GMP is carefully designed to be as fast as possible, both for small operands
+and for huge operands. The speed is achieved by using fullwords as the basic
+arithmetic type, by using fast algorithms, with highly optimised assembly
+code for the most common inner loops for a lot of CPUs, and by a general
+emphasis on speed.
+
+GMP is faster than any other bignum library. The advantage for GMP increases
+with the operand sizes for many operations, since GMP uses asymptotically
+faster algorithms.")
+ (license lgpl3+)
+ (home-page "http://gmplib.org/")))
+
+(define-public mpfr
+ (package
+ (name "mpfr")
+ (version "3.1.1")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append "mirror://gnu/mpfr/mpfr-" version
+ ".tar.xz"))
+ (sha256 (base32
+ "0ym1ylcq803n52qrggxqmkz66gbn8ncc3ybawal31v5y5p1srma9"))))
+ (build-system gnu-build-system)
+ (inputs `(("gmp" ,gmp)))
+ (synopsis "GNU MPFR, a library for multiple-precision floating-point
+arithmetic")
+ (description
+ "The GNU MPFR library is a C library for multiple-precision
+floating-point computations with correct rounding. MPFR is based on the GMP
+multiple-precision library.
+
+The main goal of MPFR is to provide a library for multiple-precision
+floating-point computation which is both efficient and has a well-defined
+semantics. It copies the good ideas from the ANSI/IEEE-754 standard for
+double-precision floating-point arithmetic (53-bit mantissa).")
+ (license lgpl3+)
+ (home-page "http://www.mpfr.org/")))
+
+(define-public mpc
+ (package
+ (name "mpc")
+ (version "1.0.1")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append
+ "mirror://gnu/mpc/mpc-" version ".tar.gz"))
+ (sha256 (base32
+ "1zq0fidp1jii2j5k5n9hmx55a6wwid33gjzhimvxq9d5zrf82npd"))))
+ (build-system gnu-build-system)
+ (inputs `(("gmp" ,gmp)
+ ("mpfr" ,mpfr)))
+ (synopsis "GNU MPC, a library for multiprecision complex arithmetic
+with exact rounding")
+ (description
+ "GNU MPC is a C library for the arithmetic of complex numbers with
+arbitrarily high precision and correct rounding of the result. It extends
+the principles of the IEEE-754 standard for fixed precision real floating
+point numbers to complex numbers, providing well-defined semantics for
+every operation. At the same time, speed of operation at high precision
+is a major design goal. The library is built upon and follows the same
+principles as GNU MPFR.")
+ (license lgpl3+)
+ (home-page "http://mpc.multiprecision.org/")))