base.py
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	# Copyright (C) 2018-2020 by the RROMPy authors
	#
	# This file is part of RROMPy.
	#
	# RROMPy is free software: you can redistribute it and/or modify
	# it under the terms of the GNU Lesser General Public License as published by
	# the Free Software Foundation, either version 3 of the License, or
	# (at your option) any later version.
	#
	# RROMPy is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU Lesser General Public License for more details.
	#
	# You should have received a copy of the GNU Lesser General Public License
	# along with RROMPy. If not, see <http://www.gnu.org/licenses/>.
	#

	from rrompy.utilities.exception_manager import RROMPyException

	__all__ = ['polybases', 'polyfitname']

	polybases = ["CHEBYSHEV", "LEGENDRE", "MONOMIAL"]

	def polyfitname(basis:str) -> str:
	basis = basis.upper()
	if basis not in polybases:
	raise RROMPyException("Polynomial basis not recognized.")
	return {"CHEBYSHEV" : "chebfit", "LEGENDRE" : "legfit",
	"MONOMIAL" : "polyfit"}[basis]