38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
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# Spack Project Developers. See the top-level COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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from spack.package import *
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class Apfel(AutotoolsPackage):
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"""APFEL is a library able to perform DGLAP evolution up to NNLO in QCD and
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to NLO in QED, both with pole and MSbar masses. The coupled DGLAP
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QCD+QED evolution equations are solved in x-space by means of higher
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order interpolations and Runge-Kutta techniques."""
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homepage = "https://github.com/scarrazza/apfel"
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url = "https://github.com/scarrazza/apfel/archive/3.0.4.tar.gz"
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tags = ["hep"]
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version("3.0.4", sha256="c7bfae7fe2dc0185981850f2fe6ae4842749339d064c25bf525b4ef412bbb224")
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depends_on("swig", when="+python")
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depends_on("python", type=("build", "run"))
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depends_on("lhapdf", when="+lhapdf", type=("build", "run"))
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variant("python", description="Build python wrapper", default=False)
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variant("lhapdf", description="Link to LHAPDF", default=False)
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def configure_args(self):
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args = []
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if self.spec.satisfies("~python"):
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args.append("--disable-pywrap")
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else:
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args.append("--enable-pywrap")
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args += self.enable_or_disable("lhapdf")
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return args
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