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# Copyright 2013-2022 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 RNumderiv(RPackage):
"""Accurate Numerical Derivatives.
Methods for calculating (usually) accurate numerical first and second order
derivatives. Accurate calculations are done using 'Richardson"s'
extrapolation or, when applicable, a complex step derivative is available.
A simple difference method is also provided. Simple difference is (usually)
less accurate but is much quicker than 'Richardson"s' extrapolation and
provides a useful cross-check. Methods are provided for real scalar and
vector valued functions."""
cran = "numDeriv"
version('2016.8-1.1', sha256='d8c4d19ff9aeb31b0c628bd4a16378e51c1c9a3813b525469a31fe89af00b345')
version('2016.8-1', sha256='1b681d273697dc780a3ac5bedabb4a257785732d9ca4ef68e4e4aac8b328d11e')
depends_on('r@2.11.1:', type=('build', 'run'))
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