dof_space.py 1.46 KB
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# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
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# Copyright(C) 2013-2018 Max-Planck-Society
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#
# NIFTy is being developed at the Max-Planck-Institut fuer Astrophysik
# and financially supported by the Studienstiftung des deutschen Volkes.

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import numpy as np
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from .structured_domain import StructuredDomain
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class DOFSpace(StructuredDomain):
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    """Generic degree-of-freedom space."""
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    def __init__(self, dof_weights):
        super(DOFSpace, self).__init__()
        self._dvol = tuple(dof_weights)
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        self._needed_for_hash += ['_dvol']
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    @property
    def harmonic(self):
        return False

    @property
    def shape(self):
        return (len(self._dvol),)

    @property
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    def size(self):
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        return len(self._dvol)

    def scalar_dvol(self):
        return None

    def dvol(self):
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        return np.array(self._dvol)
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    def __repr__(self):
        return 'this is a dof space'