# 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 RTensora(RPackage):
    """Advanced Tensor Arithmetic with Named Indices.

    Provides convenience functions for advanced linear algebra with tensors and
    computation with data sets of tensors on a higher level abstraction. It
    includes Einstein and Riemann summing conventions, dragging, co- and
    contravariate indices, parallel computations on sequences of tensors."""

    cran = "tensorA"

    version('0.36.2', sha256='8e8947566bd3b65a54de4269df1abaa3d49cf5bfd2a963c3274a524c8a819ca7')
    version('0.36.1', sha256='c7ffe12b99867675b5e9c9f31798f9521f14305c9d9f9485b171bcbd8697d09c')
    version('0.36', sha256='97b3e72f26ca3a756d045008764d787a32c68f0a276fb7a29b6e1b4592fdecf6')

    depends_on('r@2.2.0:', type=('build', 'run'))