test_conjugation_operator.py 1.39 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) 2013-2020 Max-Planck-Society
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#
# NIFTy is being developed at the Max-Planck-Institut fuer Astrophysik.

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import numpy as np
from numpy.testing import assert_allclose

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import nifty7 as ift
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from ..common import setup_function, teardown_function


def test_conjugation_operator():
    sp = ift.RGSpace(8)
    dom = ift.makeDomain(sp)
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    f = ift.from_random(dom, dtype=np.complex128)
    op = ift.ScalingOperator(sp, 1).conjugate()
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    res1 = f.conjugate()
    res2 = op(f)
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    assert_allclose(res1.val, res2.val)
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    ift.extra.consistency_check(op, domain_dtype=np.float64,
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                                target_dtype=np.float64)
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    ift.extra.consistency_check(op, domain_dtype=np.complex128,
                                target_dtype=np.complex128, only_r_linear=True)