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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 RLsei(RPackage):
"""Solving Least Squares or Quadratic Programming Problems under Equality/Inequality Constraints
It contains functions that solve least squares linear regression problems
under linear equality/inequality constraints. Functions for solving
quadratic programming problems are also available, which transform such
problems into least squares ones first. It is developed based on the
'Fortran' program of Lawson and Hanson (1974, 1995), which is public domain
and available at <http://www.netlib.org/lawson-hanson>."""
homepage = "https://cloud.r-project.org/package=lsei"
url = "https://cloud.r-project.org/src/contrib/lsei_1.2-0.tar.gz"
list_url = "https://cloud.r-project.org/src/contrib/Archive/lsei"
version('1.3-0', sha256='6289058f652989ca8a5ad6fa324ce1762cc9e36c42559c00929b70f762066ab6')
version('1.2-0', sha256='4781ebd9ef93880260d5d5f23066580ac06061e95c1048fb25e4e838963380f6')
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