gnu/packages/algebra.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Andreas Enge <andreas@enge.fr>
   3 ;;; Copyright © 2013, 2015, 2017 Ludovic Courtès <ludo@gnu.org>
   4 ;;; Copyright © 2016, 2017 Nicolas Goaziou <mail@nicolasgoaziou.fr>
   5 ;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
   6 ;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
   7 ;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
   8 ;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
   9 ;;;
  10 ;;; This file is part of GNU Guix.
  11 ;;;
  12 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  13 ;;; under the terms of the GNU General Public License as published by
  14 ;;; the Free Software Foundation; either version 3 of the License, or (at
  15 ;;; your option) any later version.
  16 ;;;
  17 ;;; GNU Guix is distributed in the hope that it will be useful, but
  18 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;;; GNU General Public License for more details.
  21 ;;;
  22 ;;; You should have received a copy of the GNU General Public License
  23 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  24
  25 (define-module (gnu packages algebra)
  26   #:use-module (gnu packages)
  27   #:use-module (gnu packages autotools)
  28   #:use-module (gnu packages compression)
  29   #:use-module (gnu packages documentation)
  30   #:use-module (gnu packages ed)
  31   #:use-module (gnu packages flex)
  32   #:use-module (gnu packages fltk)
  33   #:use-module (gnu packages gl)
  34   #:use-module (gnu packages graphviz)
  35   #:use-module (gnu packages image)
  36   #:use-module (gnu packages maths)
  37   #:use-module (gnu packages mpi)
  38   #:use-module (gnu packages multiprecision)
  39   #:use-module (gnu packages perl)
  40   #:use-module (gnu packages python)
  41   #:use-module (gnu packages readline)
  42   #:use-module (gnu packages shells)
  43   #:use-module (gnu packages tex)
  44   #:use-module (gnu packages texinfo)
  45   #:use-module (gnu packages xiph)
  46   #:use-module (gnu packages xorg)
  47   #:use-module (guix build-system gnu)
  48   #:use-module (guix build-system cmake)
  49   #:use-module (guix download)
  50   #:use-module ((guix licenses) #:prefix license:)
  51   #:use-module (guix packages)
  52   #:use-module (guix utils))
  53
  54
  55 (define-public mpfrcx
  56   (package
  57    (name "mpfrcx")
  58    (version "0.4.2")
  59    (source (origin
  60             (method url-fetch)
  61             (uri (string-append
  62                   "http://www.multiprecision.org/mpfrcx/download/mpfrcx-"
  63                   version ".tar.gz"))
  64             (sha256
  65              (base32
  66               "0grw66b255r574lvll1bqccm5myj2m8ajzsjaygcyq9zjnnbnhhy"))))
  67    (build-system gnu-build-system)
  68    (propagated-inputs
  69      `(("gmp" ,gmp)
  70        ("mpfr" ,mpfr)
  71        ("mpc"  ,mpc))) ; Header files are included by mpfrcx.h.
  72    (synopsis "Arithmetic of polynomials over arbitrary precision numbers")
  73    (description
  74     "Mpfrcx is a library for the arithmetic of univariate polynomials over
  75 arbitrary precision real (mpfr) or complex (mpc) numbers, without control
  76 on the rounding.  For the time being, only the few functions needed to
  77 implement the floating point approach to complex multiplication are
  78 implemented.  On the other hand, these comprise asymptotically fast
  79 multiplication routines such as Toom–Cook and the FFT.")
  80    (license license:lgpl2.1+)
  81    (home-page "http://mpfrcx.multiprecision.org/")))
  82
  83 (define-public cm
  84   (package
  85    (name "cm")
  86    (version "0.3")
  87    (source (origin
  88             (method url-fetch)
  89             (uri (string-append
  90                   "http://www.multiprecision.org/cm/download/cm-"
  91                   version ".tar.gz"))
  92             (sha256
  93              (base32
  94               "1nf5kr0nqmhbzrsrinky18z0ighjpsmb5cr8zyg8jf04bfbyrfmc"))))
  95    (build-system gnu-build-system)
  96    (propagated-inputs
  97      `(("mpfrcx" ,mpfrcx)
  98        ("zlib" ,zlib))) ; Header files included from cm_common.h.
  99    (inputs
 100      `(("pari-gp"  ,pari-gp)))
 101    (synopsis "CM constructions for elliptic curves")
 102    (description
 103     "The CM software implements the construction of ring class fields of
 104 imaginary quadratic number fields and of elliptic curves with complex
 105 multiplication via floating point approximations.  It consists of libraries
 106 that can be called from within a C program and of executable command
 107 line applications.")
 108    (license license:gpl3+)
 109    (home-page "http://cm.multiprecision.org/")))
 110
 111 (define-public fplll
 112   (package
 113    (name "fplll")
 114    (version "4.0.4")
 115    (source (origin
 116             (method url-fetch)
 117             (uri (string-append
 118                   "http://perso.ens-lyon.fr/damien.stehle/fplll/libfplll-"
 119                   version ".tar.gz"))
 120             (sha256 (base32
 121                      "1cbiby7ykis4z84swclpysrljmqhfcllpkcbll1m08rzskgb1a6b"))))
 122    (build-system gnu-build-system)
 123    (inputs `(("gmp" ,gmp)
 124              ("mpfr" ,mpfr)))
 125    (synopsis "Library for LLL-reduction of euclidean lattices")
 126    (description
 127     "fplll LLL-reduces euclidean lattices.  Since version 3, it can also
 128 solve the shortest vector problem.")
 129    (license license:lgpl2.1+)
 130    (home-page "http://perso.ens-lyon.fr/damien.stehle/fplll/")))
 131
 132 (define-public pari-gp
 133   (package
 134    (name "pari-gp")
 135    (version "2.9.2")
 136    (source (origin
 137             (method url-fetch)
 138             (uri (string-append
 139                   "http://pari.math.u-bordeaux.fr/pub/pari/unix/pari-"
 140                   version ".tar.gz"))
 141             (sha256
 142               (base32
 143                 "0zi08qz9nk17wwdna4xb2vp3i3mh5sgv1y8wqbf0j2sfryxlr8ls"))))
 144    (build-system gnu-build-system)
 145    (native-inputs `(("texlive" ,texlive-minimal)))
 146    (inputs `(("gmp" ,gmp)
 147              ("libx11" ,libx11)
 148              ("perl" ,perl)
 149              ("readline" ,readline)))
 150    (arguments
 151     '(#:make-flags '("all")
 152       #:test-target "dobench"
 153       #:phases (modify-phases %standard-phases
 154                  (replace 'configure
 155                           (lambda* (#:key outputs #:allow-other-keys)
 156                            (let ((out (assoc-ref outputs "out")))
 157                             (zero?
 158                              (system* "./Configure"
 159                                       (string-append "--prefix=" out)))))))))
 160    (synopsis "PARI/GP, a computer algebra system for number theory")
 161    (description
 162     "PARI/GP is a widely used computer algebra system designed for fast
 163 computations in number theory (factorisations, algebraic number theory,
 164 elliptic curves...), but it also contains a large number of other useful
 165 functions to compute with mathematical entities such as matrices,
 166 polynomials, power series, algebraic numbers, etc., and a lot of
 167 transcendental functions.
 168 PARI is also available as a C library to allow for faster computations.")
 169    (license license:gpl2+)
 170    (home-page "http://pari.math.u-bordeaux.fr/")))
 171
 172 (define-public gp2c
 173   (package
 174    (name "gp2c")
 175    (version "0.0.10")
 176    (source (origin
 177             (method url-fetch)
 178             (uri (string-append
 179                   "http://pari.math.u-bordeaux.fr/pub/pari/GP2C/gp2c-"
 180                   version ".tar.gz"))
 181             (sha256
 182               (base32
 183                 "1xhpz5p81iw261ay1kip283ggr0ir8ydz8qx3v24z8jfms1r3y70"))))
 184    (build-system gnu-build-system)
 185    (native-inputs `(("perl" ,perl)))
 186    (inputs `(("pari-gp" ,pari-gp)))
 187    (arguments
 188     '(#:configure-flags
 189       (list (string-append "--with-paricfg="
 190                            (assoc-ref %build-inputs "pari-gp")
 191                            "/lib/pari/pari.cfg"))))
 192    (synopsis "PARI/GP, a computer algebra system for number theory")
 193    (description
 194     "PARI/GP is a widely used computer algebra system designed for fast
 195 computations in number theory (factorisations, algebraic number theory,
 196 elliptic curves...), but it also contains a large number of other useful
 197 functions to compute with mathematical entities such as matrices,
 198 polynomials, power series, algebraic numbers, etc., and a lot of
 199 transcendental functions.
 200 PARI is also available as a C library to allow for faster computations.
 201
 202 GP2C, the GP to C compiler, translates GP scripts to PARI programs.")
 203    (license license:gpl2)
 204    (home-page "http://pari.math.u-bordeaux.fr/")))
 205
 206 (define-public giac-xcas
 207   (package
 208     (name "giac-xcas")
 209     (version "1.2.3-37")
 210     (source (origin
 211               (method url-fetch)
 212               ;; "~parisse/giac" is not used because the maintainer regularly
 213               ;; overwrites the release tarball there, introducing a checksum
 214               ;; mismatch every time.  See
 215               ;; <https://www-fourier.ujf-grenoble.fr/~parisse/debian/dists/stable/main/source/README>
 216               (uri (string-append "https://www-fourier.ujf-grenoble.fr/"
 217                                   "~parisse/debian/dists/stable/main/"
 218                                   "source/giac_" version ".tar.gz"))
 219               (sha256
 220                (base32
 221                 "180146rm8fxlbd6x25x81yscf6q8qjpzr35k203r25c2xkcb7h2x"))))
 222     (build-system gnu-build-system)
 223     (arguments
 224      `(#:phases
 225        (modify-phases %standard-phases
 226          (add-after 'unpack 'patch-bin-cp
 227            (lambda _
 228              ;; Some Makefiles contain hard-coded "/bin/cp".
 229              (substitute* (find-files "doc" "^Makefile")
 230                (("/bin/cp") (which "cp")))
 231              #t))
 232          (add-after 'unpack 'disable-broken-test
 233            (lambda _
 234              ;; Disable failing test.  Actually, the results are correct but
 235              ;; a sorting discrepancy prevents the test from being validated.
 236              (substitute* "check/Makefile.in"
 237                (("chk_fhan16") ""))
 238              #t)))))
 239     (inputs
 240      `(("fltk" ,fltk)
 241        ("gmp" ,gmp)
 242        ("gsl" ,gsl)
 243        ("lapack" ,lapack)
 244        ("libao" ,ao)
 245        ("libjpeg" ,libjpeg)
 246        ("libpng" ,libpng)
 247        ("libx11" ,libx11)
 248        ("libxinerama" ,libxinerama)
 249        ("libxft" ,libxft)
 250        ("libxt" ,libxt)
 251        ("mesa" ,mesa)
 252        ("mpfi" ,mpfi)
 253        ("mpfr" ,mpfr)
 254        ("ntl" ,ntl)
 255        ("perl" ,perl)
 256        ("pari-gp" ,pari-gp)
 257        ("tcsh" ,tcsh)
 258        ("texlive" ,texlive-minimal)))
 259     (native-inputs `(("readline" ,readline)))
 260     (home-page "https://www-fourier.ujf-grenoble.fr/~parisse/giac.html")
 261     (synopsis "Computer algebra system")
 262     (description
 263      "Giac/Xcas is a computer algebra system.  It has a compatibility mode for
 264 maple, mupad and the TI89.  It is available as a standalone program (graphic
 265 or text interfaces) or as a C++ library.")
 266     (license license:gpl3+)))
 267
 268 (define-public flint
 269   (package
 270    (name "flint")
 271    (version "2.5.2")
 272    (source (origin
 273             (method url-fetch)
 274             (uri (string-append
 275                   "http://flintlib.org/flint-"
 276                   version ".tar.gz"))
 277             (sha256 (base32
 278                      "11syazv1a8rrnac3wj3hnyhhflpqcmq02q8pqk2m6g2k6h0gxwfb"))
 279             (patches (search-patches "flint-ldconfig.patch"))))
 280    (build-system gnu-build-system)
 281    (propagated-inputs
 282     `(("gmp" ,gmp)
 283       ("mpfr" ,mpfr))) ; header files from both are included by flint/arith.h
 284    (arguments
 285     `(#:parallel-tests? #f ; seems to be necessary on arm
 286       #:phases
 287        (modify-phases %standard-phases
 288          (replace 'configure
 289            (lambda* (#:key inputs outputs #:allow-other-keys)
 290              (let ((out (assoc-ref outputs "out"))
 291                    (gmp (assoc-ref inputs "gmp"))
 292                    (mpfr (assoc-ref inputs "mpfr")))
 293                ;; do not pass "--enable-fast-install", which makes the
 294                ;; homebrew configure process fail
 295                (zero? (system*
 296                        "./configure"
 297                        (string-append "--prefix=" out)
 298                        (string-append "--with-gmp=" gmp)
 299                        (string-append "--with-mpfr=" mpfr)))))))))
 300    (synopsis "Fast library for number theory")
 301    (description
 302     "FLINT is a C library for number theory.  It supports arithmetic
 303 with numbers, polynomials, power series and matrices over many base
 304 rings, including multiprecision integers and rationals, integers
 305 modulo n, p-adic numbers, finite fields (prime and non-prime order)
 306 and real and complex numbers (via the Arb extension library).
 307
 308 Operations that can be performed include conversions, arithmetic,
 309 GCDs, factoring, solving linear systems, and evaluating special
 310 functions.  In addition, FLINT provides various low-level routines for
 311 fast arithmetic.")
 312    (license license:gpl2+)
 313    (home-page "http://flintlib.org/")))
 314
 315 (define-public arb
 316   (package
 317    (name "arb")
 318    (version "2.10.0")
 319    (source (origin
 320             (method url-fetch)
 321             (uri (string-append
 322                   "https://github.com/fredrik-johansson/arb/archive/"
 323                   version ".tar.gz"))
 324             (file-name (string-append name "-" version ".tar.gz"))
 325             (sha256
 326               (base32
 327                 "0jwcv9ssvi8axb1y7m2h4ykgyl015cl6g28gfl92l4dgnag585ak"))))
 328    (build-system gnu-build-system)
 329    (propagated-inputs
 330     `(("flint" ,flint))) ; flint.h is included by arf.h
 331    (inputs
 332     `(("gmp" ,gmp)
 333       ("mpfr" ,mpfr)))
 334    (arguments
 335     `(#:phases
 336         (alist-replace
 337          'configure
 338          (lambda* (#:key inputs outputs #:allow-other-keys)
 339            (let ((out (assoc-ref outputs "out"))
 340                  (flint (assoc-ref inputs "flint"))
 341                  (gmp (assoc-ref inputs "gmp"))
 342                  (mpfr (assoc-ref inputs "mpfr")))
 343              ;; do not pass "--enable-fast-install", which makes the
 344              ;; homebrew configure process fail
 345              (zero? (system*
 346                      "./configure"
 347                      (string-append "--prefix=" out)
 348                      (string-append "--with-flint=" flint)
 349                      (string-append "--with-gmp=" gmp)
 350                      (string-append "--with-mpfr=" mpfr)))))
 351          %standard-phases)))
 352    (synopsis "Arbitrary precision floating-point ball arithmetic")
 353    (description
 354     "Arb is a C library for arbitrary-precision floating-point ball
 355 arithmetic.  It supports efficient high-precision computation with
 356 polynomials, power series, matrices and special functions over the
 357 real and complex numbers, with automatic, rigorous error control.")
 358    (license license:gpl2+)
 359    (home-page "http://fredrikj.net/arb/")))
 360
 361 (define-public ntl
 362   (package
 363    (name "ntl")
 364    (version "9.7.0")
 365    (source (origin
 366             (method url-fetch)
 367             (uri (string-append "http://shoup.net/ntl/ntl-"
 368                                 version ".tar.gz"))
 369             (sha256 (base32
 370                      "115frp5flyvw9wghz4zph1b3llmr5nbxk1skgsggckr81fh3gmxq"))))
 371    (build-system gnu-build-system)
 372    (native-inputs
 373     `(("libtool" ,libtool)
 374       ("perl" ,perl))) ; for configuration
 375    ;; FIXME: Add optional input gf2x once available; then also add
 376    ;; configure flag "NTL_GF2X_LIB=on".
 377    (inputs
 378     `(("gmp" ,gmp)))
 379    (arguments
 380     `(#:phases
 381       (modify-phases %standard-phases
 382         (replace 'configure
 383          (lambda* (#:key outputs #:allow-other-keys)
 384            (chdir "src")
 385            (system* "./configure"
 386                     (string-append "PREFIX=" (assoc-ref outputs "out"))
 387                     ;; Do not build especially for the build machine.
 388                     "NATIVE=off"
 389                     ;; Also do not tune to the build machine.
 390                     "WIZARD=off"
 391                     "SHARED=on")
 392            #t)))))
 393    (synopsis "C++ library for number theory")
 394    (description
 395     "NTL is a C++ library providing data structures and algorithms
 396 for manipulating signed, arbitrary length integers, and for vectors,
 397 matrices, and polynomials over the integers and over finite fields.")
 398    (license license:gpl2+)
 399    (home-page "http://shoup.net/ntl/")))
 400
 401 (define-public singular
 402   (package
 403    (name "singular")
 404    (version "4.0.3")
 405    (source (origin
 406             (method url-fetch)
 407             (uri (string-append "http://www.mathematik.uni-kl.de/ftp/pub/"
 408                                 "Math/Singular/SOURCES/"
 409                                 (string-join (string-split version #\.) "-")
 410                                 "/singular-" version ".tar.gz"))
 411             (sha256 (base32
 412                      "0viidy2fz62rln9p0s9qfs7fnm55c6fw1agydd1py26gxylp1ksc"))))
 413    (build-system gnu-build-system)
 414    (native-inputs
 415     `(("doxygen" ,doxygen)
 416       ("graphviz" ,graphviz)
 417       ("perl" ,perl)))
 418    (inputs
 419     `(("cddlib" ,cddlib)
 420       ("gmp" ,gmp)
 421       ("flint" ,flint)
 422       ("mpfr" ,mpfr)
 423       ("ntl" ,ntl)
 424       ("python" ,python-2)
 425       ("readline" ,readline)))
 426    (arguments
 427     `(#:configure-flags
 428       (list (string-append "--with-ntl="
 429                            (assoc-ref %build-inputs "ntl")))))
 430    (synopsis "Computer algebra system for polynomial computations")
 431    (description
 432     "Singular is a computer algebra system for polynomial computations,
 433 with special emphasis on commutative and non-commutative algebra, algebraic
 434 geometry and singularity theory.")
 435    ;; Singular itself is dual licensed gpl2 or gpl3, but some of the
 436    ;; libraries with which it links are licensed under lgpl3+, so the
 437    ;; combined work becomes gpl3. See COPYING in the source code.
 438    (license license:gpl3)
 439    (home-page "http://www.singular.uni-kl.de/index.php")))
 440
 441 (define-public gmp-ecm
 442   (package
 443    (name "gmp-ecm")
 444    (version "7.0")
 445    (source (origin
 446             (method url-fetch)
 447             (uri (string-append "https://gforge.inria.fr/frs/download.php/"
 448                                 "file/35642/ecm-"
 449                                 version ".tar.gz"))
 450             (sha256 (base32
 451                      "00jzzwqp49m01vwsr9z1w7bvm8lb69l3f62x7qr8sfz0xiczxnpm"))))
 452    (build-system gnu-build-system)
 453    (inputs
 454     `(("gmp" ,gmp)))
 455    (arguments
 456     `(#:configure-flags '("--enable-shared"
 457                           ;; Disable specific assembly routines, which depend
 458                           ;; on the subarchitecture of the build machine,
 459                           ;; and use gmp instead.
 460                           "--disable-asm-redc")))
 461    (synopsis "Integer factorization library using the elliptic curve method")
 462    (description
 463     "GMP-ECM factors integers using the elliptic curve method (ECM) as well
 464 as the P-1 and P+1 algorithms.  It provides a library and a stand-alone
 465 binary.")
 466    ;; Most files are under lgpl3+, but some are under gpl3+ or gpl2+,
 467    ;; so the combined work is under gpl3+.
 468    (license license:gpl3+)
 469    (home-page "http://ecm.gforge.inria.fr/")))
 470
 471 (define-public bc
 472   (package
 473     (name "bc")
 474     (version "1.07.1")
 475     (source (origin
 476              (method url-fetch)
 477              (uri (string-append "mirror://gnu/bc/bc-" version ".tar.gz"))
 478              (sha256
 479               (base32
 480                "0amh9ik44jfg66csyvf4zz1l878c4755kjndq9j0270akflgrbb2"))))
 481     (build-system gnu-build-system)
 482     (inputs `(("readline" ,readline)))
 483     (native-inputs
 484      `(("ed" ,ed)
 485        ("flex" ,flex)
 486        ("texinfo" ,texinfo)))
 487     (arguments
 488      '(#:configure-flags
 489        (list "--with-readline")))
 490     (home-page "https://www.gnu.org/software/bc/")
 491     (synopsis "Arbitrary precision numeric processing language")
 492     (description
 493      "bc is an arbitrary precision numeric processing language.  It includes
 494 an interactive environment for evaluating mathematical statements.  Its
 495 syntax is similar to that of C, so basic usage is familiar.  It also includes
 496 \"dc\", a reverse-polish calculator.")
 497     (license license:gpl2+)))
 498
 499 ;; The original kiss-fft does not have a complete build system and does not
 500 ;; build any shared libraries.  This is a fork used by Extempore.
 501 (define-public kiss-fft-for-extempore
 502   (package
 503     (name "kiss-fft-for-extempore")
 504     (version "1.3.0")
 505     (source (origin
 506               (method url-fetch)
 507               (uri (string-append "https://github.com/extemporelang/kiss_fft/archive/"
 508                                   version ".tar.gz"))
 509               (file-name (string-append name "-" version ".tar.gz"))
 510               (sha256
 511                (base32
 512                 "0hkp9l6l4c92fb1l2sh6a6zv1hynpvb2s4d03vd8vxyvybc0l4pv"))))
 513     (build-system cmake-build-system)
 514     (arguments `(#:tests? #f)) ; no tests included
 515     ;; Extempore refuses to build on architectures other than x86_64
 516     (supported-systems '("x86_64-linux"))
 517     (home-page "https://github.com/extemporelang/kiss_fft")
 518     (synopsis "Mixed-radix Fast Fourier Transform")
 519     (description
 520      "Kiss FFT attempts to be a reasonably efficient, moderately useful FFT
 521 that can use fixed or floating data types and can easily be incorporated into
 522 a C program.")
 523     (license license:bsd-3)))
 524
 525 (define-public fftw
 526   (package
 527     (name "fftw")
 528     (version "3.3.5")
 529     (source (origin
 530              (method url-fetch)
 531              (uri (string-append "ftp://ftp.fftw.org/pub/fftw/fftw-"
 532                                  version".tar.gz"))
 533              (sha256
 534               (base32
 535                "1kwbx92ps0r7s2mqy7lxbxanslxdzj7dp7r7gmdkzv1j8yqf3kwf"))))
 536     (build-system gnu-build-system)
 537     (arguments
 538      '(#:configure-flags
 539        '("--enable-shared" "--enable-openmp" "--enable-threads")
 540        #:phases (alist-cons-before
 541                  'build 'no-native
 542                  (lambda _
 543                    ;; By default '-mtune=native' is used.  However, that may
 544                    ;; cause the use of ISA extensions (SSE2, etc.) that are
 545                    ;; not necessarily available on the user's machine when
 546                    ;; that package is built on a different machine.
 547                    (substitute* (find-files "." "Makefile$")
 548                      (("-mtune=native") "")))
 549                  %standard-phases)))
 550     (native-inputs `(("perl" ,perl)))
 551     (home-page "http://fftw.org")
 552     (synopsis "Computing the discrete Fourier transform")
 553     (description
 554      "FFTW is a C subroutine library for computing the discrete Fourier
 555 transform (DFT) in one or more dimensions, of arbitrary input size, and of
 556 both real and complex data (as well as of even/odd data---i.e. the discrete
 557 cosine/ sine transforms or DCT/DST).")
 558     (license license:gpl2+)))
 559
 560 (define-public fftwf
 561   (package (inherit fftw)
 562     (name "fftwf")
 563     (arguments
 564      (substitute-keyword-arguments (package-arguments fftw)
 565        ((#:configure-flags cf)
 566         `(cons "--enable-float" ,cf))))
 567     (description
 568      (string-append (package-description fftw)
 569                     "  Single-precision version."))))
 570
 571 (define-public fftw-openmpi
 572   (package (inherit fftw)
 573     (name "fftw-openmpi")
 574     (inputs
 575      `(("openmpi" ,openmpi)
 576        ,@(package-inputs fftw)))
 577     (arguments
 578      (substitute-keyword-arguments (package-arguments fftw)
 579        ((#:configure-flags cf)
 580         `(cons "--enable-mpi" ,cf))))
 581     (description
 582      (string-append (package-description fftw)
 583                     "  With OpenMPI parallelism support."))))
 584
 585 (define-public eigen
 586   (package
 587     (name "eigen")
 588     (version "3.2.9")
 589     (source (origin
 590               (method url-fetch)
 591               (uri (string-append "https://bitbucket.org/eigen/eigen/get/"
 592                                   version ".tar.bz2"))
 593               (sha256
 594                (base32
 595                 "1zs5b210mq7nyanky07li6456rrd0xv2nxf6sl2lhkzdq5p067jd"))
 596               (file-name (string-append name "-" version ".tar.bz2"))
 597               (modules '((guix build utils)))
 598               (snippet
 599                ;; There are 3 test failures in the "unsupported" directory,
 600                ;; but maintainers say it's a known issue and it's unsupported
 601                ;; anyway, so just skip them.
 602                '(substitute* "CMakeLists.txt"
 603                   (("add_subdirectory\\(unsupported\\)")
 604                    "# Do not build the tests for unsupported features.\n")
 605                   ;; Work around
 606                   ;; <http://eigen.tuxfamily.org/bz/show_bug.cgi?id=1114>.
 607                   (("\"include/eigen3\"")
 608                    "\"${CMAKE_INSTALL_PREFIX}/include/eigen3\"")))))
 609     (build-system cmake-build-system)
 610     (arguments
 611      '(;; Turn off debugging symbols to save space.
 612        #:build-type "Release"
 613
 614        #:phases (modify-phases %standard-phases
 615                   (replace 'check
 616                     (lambda _
 617                       (let* ((cores  (parallel-job-count))
 618                              (dash-j (format #f "-j~a" cores)))
 619                         ;; First build the tests, in parallel.  See
 620                         ;; <http://eigen.tuxfamily.org/index.php?title=Tests>.
 621                         (and (zero? (system* "make" "buildtests" dash-j))
 622
 623                              ;; Then run 'CTest' with -V so we get more
 624                              ;; details upon failure.
 625                              (zero? (system* "ctest" "-V" dash-j)))))))))
 626     (home-page "http://eigen.tuxfamily.org")
 627     (synopsis "C++ template library for linear algebra")
 628     (description
 629      "Eigen is a C++ template library for linear algebra: matrices, vectors,
 630 numerical solvers, and related algorithms.  It provides an elegant API based
 631 on \"expression templates\".  It is versatile: it supports all matrix sizes,
 632 all standard numeric types, various matrix decompositions and geometry
 633 features, and more.")
 634
 635     ;; Most of the code is MPLv2, with a few files under LGPLv2.1+ or BSD-3.
 636     ;; See 'COPYING.README' for details.
 637     (license license:mpl2.0)))