inverse_operator.py 1.37 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/>.
#
# Copyright(C) 2013-2017 Max-Planck-Society
#
# NIFTy is being developed at the Max-Planck-Institut fuer Astrophysik
# and financially supported by the Studienstiftung des deutschen Volkes.

from .linear_operator import LinearOperator


class InverseOperator(LinearOperator):
    def __init__(self, op):
        super(InverseOperator, self).__init__()
        self._op = op

    @property
    def domain(self):
        return self._op.target

    @property
    def target(self):
        return self._op.domain

    @property
    def capability(self):
        return self._inverseCapability[self._op.capability]

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    @property
    def inverse(self):
        return self._op

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    def apply(self, x, mode):
        return self._op.apply(x, self._inverseMode[mode])