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| -rw-r--r-- | gnu/packages/algebra.scm | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm index 810e9ce12a..1b401f8e5b 100644 --- a/gnu/packages/algebra.scm +++ b/gnu/packages/algebra.scm @@ -1490,3 +1490,39 @@ John Cremona to compute his elliptic curve database.") (license license:gpl2+) (home-page (string-append "http://homepages.warwick.ac.uk/staff/" "J.E.Cremona/mwrank/index.html")))) + +(define-public lrcalc + (package + (name "lrcalc") + (version "1.2") + (source (origin + (method git-fetch) + (uri (git-reference + (url "https://bitbucket.org/asbuch/lrcalc") + (commit (string-append "lrcalc-" version)))) + (file-name (git-file-name name version)) + (sha256 + (base32 + "1c12d04jdyxkkav4ak8d1aqrv594gzihwhpxvc6p9js0ry1fahss")))) + (build-system gnu-build-system) + (native-inputs + `(("autoconf" ,autoconf) + ("automake" ,automake) + ("libtool" ,libtool))) + (arguments + `(#:phases + (modify-phases %standard-phases + (add-before 'build 'fix-permission + (lambda _ + (chmod "lrcalc.maple.src" #o644) + #t))))) + (synopsis "Littlewood-Richardson calculator in algebraic combinatorics") + (description "The Littlewood-Richardson Calculator (lrcalc) is a +program designed to compute Littlewood-Richardson coefficients. It computes +single Littlewood-Richardson coefficients, products of Schur functions, or +skew Schur functions. In addition it computes products in the small quantum +cohomology ring of a Grassmann variety. The software package also includes +a program that performs fast computation of the more general multiplicative +structure constants of Schubert polynomials.") + (license license:gpl2+) + (home-page "http://sites.math.rutgers.edu/~asbuch/lrcalc/"))) |