test_adjoint.py 2.75 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 unittest
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import nifty4 as ift
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import numpy as np
from itertools import product
from test.common import expand

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_h_RG_spaces = [ift.RGSpace(7, distances=0.2, harmonic=True),
                ift.RGSpace((12, 46), distances=(.2, .3), harmonic=True)]
_h_spaces = _h_RG_spaces + [ift.LMSpace(17)]
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_p_RG_spaces = [ift.RGSpace(19, distances=0.7),
                ift.RGSpace((1, 2, 3, 6), distances=(0.2, 0.25, 0.34, .8))]
_p_spaces = _p_RG_spaces + [ift.HPSpace(17), ift.GLSpace(8, 13)]
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class Consistency_Tests(unittest.TestCase):
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    @expand(product(_h_spaces, [np.float64, np.complex128]))
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    def testPPO(self, sp, dtype):
        op = ift.PowerProjectionOperator(sp)
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        ift.extra.consistency_check(op, dtype, dtype)
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        ps = ift.PowerSpace(
            sp, ift.PowerSpace.useful_binbounds(sp, logarithmic=False, nbin=3))
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        op = ift.PowerProjectionOperator(sp, ps)
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        ift.extra.consistency_check(op, dtype, dtype)
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        ps = ift.PowerSpace(
            sp, ift.PowerSpace.useful_binbounds(sp, logarithmic=True, nbin=3))
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        op = ift.PowerProjectionOperator(sp, ps)
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        ift.extra.consistency_check(op, dtype, dtype)
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    @expand(product(_h_RG_spaces+_p_RG_spaces,
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                    [np.float64, np.complex128]))
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    def testFFT(self, sp, dtype):
        op = ift.FFTOperator(sp)
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        ift.extra.consistency_check(op, dtype, dtype)
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        op = ift.FFTOperator(sp.get_default_codomain())
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        ift.extra.consistency_check(op, dtype, dtype)
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    @expand(product(_h_spaces, [np.float64, np.complex128]))
    def testHarmonic(self, sp, dtype):
        op = ift.HarmonicTransformOperator(sp)
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        ift.extra.consistency_check(op, dtype, dtype)

    @expand(product(_h_spaces+_p_spaces, [np.float64, np.complex128]))
    def testDiagonal(self, sp, dtype):
        op = ift.DiagonalOperator(ift.Field.from_random("normal", sp,
                                                        dtype=dtype))
        ift.extra.consistency_check(op, dtype, dtype)