Remove ApplyData

nifty5/__init__.py

@@ -76,7 +76,6 @@ from .sugar import *
 from .plotting.plot import plot
 
 from .library.amplitude_model import make_amplitude_model
-from .library.apply_data import ApplyData
 from .library.gaussian_energy import GaussianEnergy
 from .library.los_response import LOSResponse
 from .library.point_sources import PointSources

nifty5/library/apply_data.py

-# 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) 2013-2018 Max-Planck-Society
-#
-# NIFTy is being developed at the Max-Planck-Institut fuer Astrophysik
-# and financially supported by the Studienstiftung des deutschen Volkes.
-
-from __future__ import absolute_import, division, print_function
-from ..compat import *
-
-
-def ApplyData(data, var, model_data):
-    # TODO This is rather confusing. Delete that eventually.
-    from ..operators.diagonal_operator import DiagonalOperator
-    from ..models.constant import Constant
-    from ..sugar import sqrt
-    sqrt_n = DiagonalOperator(sqrt(var))
-    data = Constant(model_data.position, data)
-    return sqrt_n.inverse(model_data - data)