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# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
from spack import *
class Liblbfgs(AutotoolsPackage):
"""libLBFGS is a C port of the implementation of Limited-memory
Broyden-Fletcher-Goldfarb-Shanno (L-BFGS) method written by Jorge Nocedal.
The L-BFGS method solves the unconstrainted minimization problem:
minimize F(x), x = (x1, x2, ..., xN),
only if the objective function F(x) and its gradient G(x) are computable."""
homepage = "http://www.chokkan.org/software/liblbfgs/"
url = "https://github.com/downloads/chokkan/liblbfgs/liblbfgs-1.10.tar.gz"
git = "https://github.com/chokkan/liblbfgs.git"
maintainers = ['RemiLacroix-IDRIS']
version('master', branch='master')
version('1.10', sha256='4158ab7402b573e5c69d5f6b03c973047a91e16ca5737d3347e3af9c906868cf')
depends_on('autoconf', type='build', when='@master')
depends_on('automake', type='build', when='@master')
depends_on('libtool', type='build', when='@master')
depends_on('m4', type='build', when='@master')
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