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# Copyright 2013-2023 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.package import *
class Spectra(CMakePackage):
"""
Spectra stands for Sparse Eigenvalue Computation Toolkit as a Redesigned
ARPACK. It is a C++ library for large scale eigenvalue problems,
built on top of Eigen, an open source linear algebra library.
Spectra is implemented as a header-only C++ library, whose only
dependency, Eigen, is also header-only. Hence Spectra can be easily
embedded in C++ projects that require calculating eigenvalues of
large matrices.
"""
homepage = "https://spectralib.org/"
url = "https://github.com/yixuan/spectra/archive/refs/tags/v1.0.1.tar.gz"
maintainers("snehring")
license("MPL-2.0")
version("1.0.1", sha256="919e3fbc8c539a321fd5a0766966922b7637cc52eb50a969241a997c733789f3")
version("1.0.0", sha256="45228b7d77b916b5384245eb13aa24bc994f3b0375013a8ba6b85adfd2dafd67")
version("0.9.0", sha256="2966757d432e8fba5958c2a05ad5674ce34eaae3718dd546c1ba8760b80b7a3d")
depends_on("cmake@3.5:")
depends_on("eigen")
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