diff options
Diffstat (limited to 'gnu/packages/maths.scm')
| -rw-r--r-- | gnu/packages/maths.scm | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm index 20e700f290..a2a85c2fb7 100644 --- a/gnu/packages/maths.scm +++ b/gnu/packages/maths.scm @@ -22,6 +22,7 @@ ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (gnu packages maths) + #:use-module (ice-9 regex) #:use-module (gnu packages) #:use-module ((guix licenses) #:prefix license:) #:use-module (guix packages) @@ -935,3 +936,121 @@ point numbers") ;; At least one file (src/maxima.asd) says "version 2." ;; GPLv2 only is therefore the smallest subset. (license license:gpl2))) + +(define-public atlas + (package + (name "atlas") + (version "3.10.2") + (source (origin + (method url-fetch) + (uri (string-append "mirror://sourceforge/math-atlas/atlas" + version ".tar.bz2")) + (sha256 + (base32 + "0bqh4bdnjdyww4mcpg6kn0x7338mfqbdgysn97dzrwwb26di7ars")))) + (build-system gnu-build-system) + (home-page "http://math-atlas.sourceforge.net/") + (inputs `(("gfortran" ,gfortran-4.8) + ("lapack-tar" ,(package-source lapack)))) + (outputs '("out" "doc")) + (arguments + `(#:parallel-build? #f + #:parallel-tests? #f + #:modules ((srfi srfi-26) + (srfi srfi-1) + (guix build gnu-build-system) + (guix build utils)) + #:configure-flags + `(;; Generate position independent code suitable for dynamic libraries + ;; and use WALL timer to get more accurate timing. + "-Fa" "alg" "-fPIC" "-D" "c" "-DWALL" + ;; Set word width. + "-b" + ,,(if (string-match "64" (%current-system)) + "64" + "32") + ;; Disable parallel build as it gives errors: atlas_pthread.h is + ;; needed to compile C files before it is generated. + "-Ss" "pmake" "make -j 1" + ;; Generate shared libraries. + "--shared" + ;; Build a full LAPACK library. + ,(string-append "--with-netlib-lapack-tarfile=" + (assoc-ref %build-inputs "lapack-tar"))) + #:phases + (alist-cons-after + 'install 'install-doc + (lambda* (#:key outputs inputs #:allow-other-keys) + (let ((doc (string-append (assoc-ref outputs "doc") + "/share/doc/atlas"))) + (mkdir-p doc) + (fold (lambda (file previous) + (and previous (zero? (system* "cp" file doc)))) + #t (find-files "../ATLAS/doc" ".*")))) + (alist-cons-after + 'check 'check-pt + (lambda _ (zero? (system* "make" "ptcheck"))) + ;; Fix files required to run configure. + (alist-cons-before + 'configure 'fix-/bin/sh + (lambda _ + ;; Use `sh', not `/bin/sh'. + (substitute* (find-files "." "Makefile|configure|SpewMakeInc\\.c") + (("/bin/sh") + "sh"))) + ;; Fix /bin/sh in generated make files. + (alist-cons-after + 'configure 'fix-/bin/sh-in-generated-files + (lambda _ + (substitute* (find-files "." "^[Mm]ake\\.inc.*") + (("/bin/sh") + "sh"))) + ;; ATLAS configure program does not accepts the default flags + ;; passed by the 'gnu-build-system'. + (alist-replace + 'configure + (lambda* (#:key native-inputs inputs outputs + (configure-flags '()) + #:allow-other-keys #:rest args) + (let* ((prefix (assoc-ref outputs "out")) + (bash (or (and=> (assoc-ref + (or native-inputs inputs) "bash") + (cut string-append <> "/bin/bash")) + "/bin/sh")) + (flags `(,(string-append "--prefix=" prefix) + ,@configure-flags)) + (abs-srcdir (getcwd)) + (srcdir (string-append "../" (basename abs-srcdir)))) + (format #t "source directory: ~s (relative from build: ~s)~%" + abs-srcdir srcdir) + (mkdir "../build") + (chdir "../build") + (format #t "build directory: ~s~%" (getcwd)) + (format #t "configure flags: ~s~%" flags) + (zero? (apply system* bash + (string-append srcdir "/configure") + flags)))) + %standard-phases))))))) + (synopsis "Automatically Tuned Linear Algebra Software") + (description + "ATLAS is an automatically tuned linear algebra software library +providing C and Fortran77 interfaces to a portably efficient BLAS +implementation, as well as a few routines from LAPACK. + +Optimization occurs at build time. For this reason you should build the +library on the maschine on which you will use it. The package must therefore +be installed without making use of substitutes. This can be achieved with the +following command: + +\"guix package --no-substitutes -i atlas\" + +In addition, before building the library, CPU throttling should be disabled. +This can be done in the BIOS, or, on Linux, with the following commands: + +cpufreq-selector -g performance -c 0 +... +cpufreq-selector -g performance -c N-1 + +where N is the number of cores of your CPU. Failure to do so will result in a +library with poor performance.") + (license license:bsd-3))) |