test_adjoint.py 11.2 KB
Newer Older
Martin Reinecke's avatar
Martin Reinecke committed
1
2
3
4
5
6
7
8
9
10
11
12
13
# 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/>.
#
14
# Copyright(C) 2013-2019 Max-Planck-Society
Martin Reinecke's avatar
Martin Reinecke committed
15
#
16
# NIFTy is being developed at the Max-Planck-Institut fuer Astrophysik.
Martin Reinecke's avatar
Martin Reinecke committed
17

Philipp Arras's avatar
Philipp Arras committed
18
19
import numpy as np
import pytest
20

Martin Reinecke's avatar
5->6    
Martin Reinecke committed
21
import nifty6 as ift
22

23
from ..common import list2fixture, setup_function, teardown_function
Martin Reinecke's avatar
Martin Reinecke committed
24

Philipp Arras's avatar
Philipp Arras committed
25
26
_h_RG_spaces = [ift.RGSpace(7, distances=0.2, harmonic=True),
                ift.RGSpace((12, 46), distances=(.2, .3), harmonic=True)]
Philipp Arras's avatar
Philipp Arras committed
27
_h_spaces = _h_RG_spaces + [ift.LMSpace(17)]
Philipp Arras's avatar
Philipp Arras committed
28
29
_p_RG_spaces = [ift.RGSpace(19, distances=0.7),
                ift.RGSpace((1, 2, 3, 6), distances=(0.2, 0.25, 0.34, .8))]
30
_p_spaces = _p_RG_spaces + [ift.HPSpace(17), ift.GLSpace(8, 13)]
Philipp Arras's avatar
Philipp Arras committed
31
32
_pow_spaces = [ift.PowerSpace(ift.RGSpace((17, 38), (0.99, 1340), harmonic=True)),
               ift.PowerSpace(ift.LMSpace(18), ift.PowerSpace.useful_binbounds(ift.LMSpace(18), False))]
33

Philipp Arras's avatar
Philipp Arras committed
34
35
36
pmp = pytest.mark.parametrize
dtype = list2fixture([np.float64, np.complex128])

Martin Reinecke's avatar
Martin Reinecke committed
37

Philipp Arras's avatar
Philipp Arras committed
38
39
@pmp('sp', _p_RG_spaces)
def testLOSResponse(sp, dtype):
Martin Reinecke's avatar
Martin Reinecke committed
40
41
42
43
    starts = ift.random.current_rng().standard_normal((len(sp.shape), 10))
    ends = ift.random.current_rng().standard_normal((len(sp.shape), 10))
    sigma_low = 1e-4*ift.random.current_rng().standard_normal(10)
    sigma_ups = 1e-5*ift.random.current_rng().standard_normal(10)
Philipp Arras's avatar
Philipp Arras committed
44
45
46
47
48
49
50
51
52
53
54
55
56
57
    op = ift.LOSResponse(sp, starts, ends, sigma_low, sigma_ups)
    ift.extra.consistency_check(op, dtype, dtype)


@pmp('sp', _h_spaces + _p_spaces + _pow_spaces)
def testOperatorCombinations(sp, dtype):
    a = ift.DiagonalOperator(ift.Field.from_random("normal", sp, dtype=dtype))
    b = ift.DiagonalOperator(ift.Field.from_random("normal", sp, dtype=dtype))
    op = ift.SandwichOperator.make(a, b)
    ift.extra.consistency_check(op, dtype, dtype)
    op = a(b)
    ift.extra.consistency_check(op, dtype, dtype)
    op = a + b
    ift.extra.consistency_check(op, dtype, dtype)
58
59
    op = a - b
    ift.extra.consistency_check(op, dtype, dtype)
Philipp Arras's avatar
Philipp Arras committed
60
61
62
63


def testLinearInterpolator():
    sp = ift.RGSpace((10, 8), distances=(0.1, 3.5))
Martin Reinecke's avatar
Martin Reinecke committed
64
    pos = ift.random.current_rng().random((2, 23))
Philipp Arras's avatar
Philipp Arras committed
65
66
67
68
69
70
    pos[0, :] *= 0.9
    pos[1, :] *= 7*3.5
    op = ift.LinearInterpolator(sp, pos)
    ift.extra.consistency_check(op)


71
72
73
74
@pmp('sp', _h_spaces + _p_spaces + _pow_spaces)
def testRealizer(sp):
    op = ift.Realizer(sp)
    ift.extra.consistency_check(op, np.complex128, np.float64,
Martin Reinecke's avatar
Martin Reinecke committed
75
                                only_r_linear=True)
76
77
78
79
80
81


@pmp('sp', _h_spaces + _p_spaces + _pow_spaces)
def testConjugationOperator(sp):
    op = ift.ConjugationOperator(sp)
    ift.extra.consistency_check(op, np.complex128, np.complex128,
Martin Reinecke's avatar
Martin Reinecke committed
82
                                only_r_linear=True)
83
84


Philipp Arras's avatar
Philipp Arras committed
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
@pmp('sp', _h_spaces + _p_spaces + _pow_spaces)
def testOperatorAdaptor(sp, dtype):
    op = ift.DiagonalOperator(ift.Field.from_random("normal", sp, dtype=dtype))
    ift.extra.consistency_check(op.adjoint, dtype, dtype)
    ift.extra.consistency_check(op.inverse, dtype, dtype)
    ift.extra.consistency_check(op.inverse.adjoint, dtype, dtype)
    ift.extra.consistency_check(op.adjoint.inverse, dtype, dtype)


@pmp('sp1', _h_spaces + _p_spaces + _pow_spaces)
@pmp('sp2', _h_spaces + _p_spaces + _pow_spaces)
def testNullOperator(sp1, sp2, dtype):
    op = ift.NullOperator(sp1, sp2)
    ift.extra.consistency_check(op, dtype, dtype)
    mdom1 = ift.MultiDomain.make({'a': sp1})
    mdom2 = ift.MultiDomain.make({'b': sp2})
    op = ift.NullOperator(mdom1, mdom2)
    ift.extra.consistency_check(op, dtype, dtype)
    op = ift.NullOperator(sp1, mdom2)
    ift.extra.consistency_check(op, dtype, dtype)
    op = ift.NullOperator(mdom1, sp2)
    ift.extra.consistency_check(op, dtype, dtype)


@pmp('sp', _p_RG_spaces)
def testHarmonicSmoothingOperator(sp, dtype):
    op = ift.HarmonicSmoothingOperator(sp, 0.1)
    ift.extra.consistency_check(op, dtype, dtype)


@pmp('sp', _h_spaces + _p_spaces + _pow_spaces)
def testDOFDistributor(sp, dtype):
    # TODO: Test for DomainTuple
    if sp.size < 4:
        return
    dofdex = np.arange(sp.size).reshape(sp.shape) % 3
Martin Reinecke's avatar
Martin Reinecke committed
121
    dofdex = ift.Field.from_raw(sp, dofdex)
Philipp Arras's avatar
Philipp Arras committed
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
    op = ift.DOFDistributor(dofdex)
    ift.extra.consistency_check(op, dtype, dtype)


@pmp('sp', _h_spaces)
def testPPO(sp, dtype):
    op = ift.PowerDistributor(target=sp)
    ift.extra.consistency_check(op, dtype, dtype)
    ps = ift.PowerSpace(
        sp, ift.PowerSpace.useful_binbounds(sp, logarithmic=False, nbin=3))
    op = ift.PowerDistributor(target=sp, power_space=ps)
    ift.extra.consistency_check(op, dtype, dtype)
    ps = ift.PowerSpace(
        sp, ift.PowerSpace.useful_binbounds(sp, logarithmic=True, nbin=3))
    op = ift.PowerDistributor(target=sp, power_space=ps)
    ift.extra.consistency_check(op, dtype, dtype)


@pmp('sp', _h_RG_spaces + _p_RG_spaces)
def testFFT(sp, dtype):
    op = ift.FFTOperator(sp)
    ift.extra.consistency_check(op, dtype, dtype)
    op = ift.FFTOperator(sp.get_default_codomain())
    ift.extra.consistency_check(op, dtype, dtype)


@pmp('sp', _h_RG_spaces + _p_RG_spaces)
def testHartley(sp, dtype):
    op = ift.HartleyOperator(sp)
    ift.extra.consistency_check(op, dtype, dtype)
    op = ift.HartleyOperator(sp.get_default_codomain())
    ift.extra.consistency_check(op, dtype, dtype)


@pmp('sp', _h_spaces)
def testHarmonic(sp, dtype):
    op = ift.HarmonicTransformOperator(sp)
    ift.extra.consistency_check(op, dtype, dtype)


@pmp('sp', _p_spaces)
def testMask(sp, dtype):
Martin Reinecke's avatar
stage 3    
Martin Reinecke committed
164
    f = ift.from_random('normal', sp).val
Philipp Arras's avatar
Philipp Arras committed
165
166
    mask = np.zeros_like(f)
    mask[f > 0] = 1
Martin Reinecke's avatar
Martin Reinecke committed
167
    mask = ift.Field.from_raw(sp, mask)
Philipp Arras's avatar
Philipp Arras committed
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
    op = ift.MaskOperator(mask)
    ift.extra.consistency_check(op, dtype, dtype)


@pmp('sp', _h_spaces + _p_spaces)
def testDiagonal(sp, dtype):
    op = ift.DiagonalOperator(ift.Field.from_random("normal", sp, dtype=dtype))
    ift.extra.consistency_check(op, dtype, dtype)


@pmp('sp', _h_spaces + _p_spaces + _pow_spaces)
def testGeometryRemover(sp, dtype):
    op = ift.GeometryRemover(sp)
    ift.extra.consistency_check(op, dtype, dtype)


@pmp('spaces', [0, 1, 2, 3, (0, 1), (0, 2), (0, 1, 2), (0, 2, 3), (1, 3)])
@pmp('wgt', [0, 1, 2, -1])
def testContractionOperator(spaces, wgt, dtype):
    dom = (ift.RGSpace(10), ift.RGSpace(13), ift.GLSpace(5), ift.HPSpace(4))
    op = ift.ContractionOperator(dom, spaces, wgt)
    ift.extra.consistency_check(op, dtype, dtype)


def testDomainTupleFieldInserter():
193
194
    target = ift.DomainTuple.make((ift.UnstructuredDomain([3, 2]),
                                   ift.UnstructuredDomain(7),
Philipp Arras's avatar
Philipp Arras committed
195
                                   ift.RGSpace([4, 22])))
196
    op = ift.DomainTupleFieldInserter(target, 1, (5,))
Philipp Arras's avatar
Philipp Arras committed
197
198
199
200
201
202
203
204
205
    ift.extra.consistency_check(op)


@pmp('space', [0, 2])
@pmp('factor', [1, 2, 2.7])
@pmp('central', [False, True])
def testZeroPadder(space, factor, dtype, central):
    dom = (ift.RGSpace(10), ift.UnstructuredDomain(13), ift.RGSpace(7, 12),
           ift.HPSpace(4))
Philipp Arras's avatar
Philipp Arras committed
206
    newshape = [int(factor*ll) for ll in dom[space].shape]
Philipp Arras's avatar
Philipp Arras committed
207
208
209
210
    op = ift.FieldZeroPadder(dom, newshape, space, central)
    ift.extra.consistency_check(op, dtype, dtype)


Philipp Arras's avatar
Philipp Arras committed
211
212
213
214
@pmp('args', [[ift.RGSpace((13, 52, 40)), (4, 6, 25), None],
              [ift.RGSpace((128, 128)), (45, 48), 0],
              [ift.RGSpace(13), (7,), None],
              [(ift.HPSpace(3), ift.RGSpace((12, 24), distances=0.3)), (12, 12), 1]])
Philipp Arras's avatar
Philipp Arras committed
215
216
217
218
def testRegridding(args):
    op = ift.RegriddingOperator(*args)
    ift.extra.consistency_check(op)

Martin Reinecke's avatar
Martin Reinecke committed
219

Philipp Arras's avatar
Philipp Arras committed
220
221
222
223
@pmp('fdomain', [(ift.RGSpace((3, 5, 4)), ift.RGSpace((16,), distances=(7.,))),
                 ift.HPSpace(12)])
@pmp('domain', [(ift.RGSpace(2), ift.GLSpace(10)),
                ift.RGSpace((10, 12), distances=(0.1, 1.))])
Philipp Arras's avatar
Philipp Arras committed
224
225
226
227
def testOuter(fdomain, domain):
    f = ift.from_random('normal', fdomain)
    op = ift.OuterProduct(f, domain)
    ift.extra.consistency_check(op)
Philipp Arras's avatar
Philipp Arras committed
228
229
230


@pmp('sp', _h_spaces + _p_spaces + _pow_spaces)
Philipp Arras's avatar
Philipp Arras committed
231
232
@pmp('seed', [12, 3])
def testValueInserter(sp, seed):
Martin Reinecke's avatar
Martin Reinecke committed
233
234
235
236
237
238
239
240
241
    with ift.random.Context(seed):
        ind = []
        for ss in sp.shape:
            if ss == 1:
                ind.append(0)
            else:
                ind.append(int(ift.random.current_rng().integers(0, ss-1)))
        op = ift.ValueInserter(sp, ind)
        ift.extra.consistency_check(op)
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259


@pmp('sp', _pow_spaces)
def testSlopeRemover(sp):
    op = ift.library.correlated_fields._SlopeRemover(sp)
    ift.extra.consistency_check(op)


@pmp('sp', _pow_spaces)
def testTwoLogIntegrations(sp):
    op = ift.library.correlated_fields._TwoLogIntegrations(sp)
    ift.extra.consistency_check(op)


@pmp('sp', _h_spaces + _p_spaces + _pow_spaces)
def testSpecialSum(sp):
    op = ift.library.correlated_fields._SpecialSum(sp)
    ift.extra.consistency_check(op)
260

Philipp Arras's avatar
Philipp Arras committed
261

262
def metatestMatrixProductOperator(sp, mat_shape, seed, **kwargs):
Martin Reinecke's avatar
Martin Reinecke committed
263
264
265
266
267
268
269
    with ift.random.Context(seed):
        mat = ift.random.current_rng().standard_normal(mat_shape)
        op = ift.MatrixProductOperator(sp, mat, **kwargs)
        ift.extra.consistency_check(op)
        mat = mat + 1j*ift.random.current_rng().standard_normal(mat_shape)
        op = ift.MatrixProductOperator(sp, mat, **kwargs)
        ift.extra.consistency_check(op)
Philipp Arras's avatar
Philipp Arras committed
270

Philipp Arras's avatar
Philipp Arras committed
271

272
273
274
275
276
277
@pmp('sp', [ift.RGSpace(10)])
@pmp('spaces', [None, (0,)])
@pmp('seed', [12, 3])
def testMatrixProductOperator_1d(sp, spaces, seed):
    mat_shape = sp.shape * 2
    metatestMatrixProductOperator(sp, mat_shape, seed, spaces=spaces)
Philipp Arras's avatar
Philipp Arras committed
278

Philipp Arras's avatar
Philipp Arras committed
279

280
281
@pmp('sp', [ift.DomainTuple.make((ift.RGSpace((2)), ift.RGSpace((10))))])
@pmp('spaces', [(0,), (1,), (0, 1)])
282
@pmp('seed', [12, 3])
283
284
285
286
287
288
289
def testMatrixProductOperator_2d_spaces(sp, spaces, seed):
    appl_shape = []
    for sp_idx in spaces:
        appl_shape += sp[sp_idx].shape
    appl_shape = tuple(appl_shape)
    mat_shape = appl_shape * 2
    metatestMatrixProductOperator(sp, mat_shape, seed, spaces=spaces)
290

Philipp Arras's avatar
Philipp Arras committed
291

292
293
294
295
296
297
@pmp('sp', [ift.RGSpace((2, 10))])
@pmp('seed', [12, 3])
def testMatrixProductOperator_2d_flatten(sp, seed):
    appl_shape = (ift.utilities.my_product(sp.shape),)
    mat_shape = appl_shape * 2
    metatestMatrixProductOperator(sp, mat_shape, seed, flatten=True)
298

Philipp Arras's avatar
Philipp Arras committed
299

Philipp Arras's avatar
Philipp Arras committed
300
301
@pmp('seed', [12, 3])
def testPartialExtractor(seed):
Martin Reinecke's avatar
Martin Reinecke committed
302
303
304
305
306
307
308
309
    with ift.random.Context(seed):
        tgt = {'a': ift.RGSpace(1), 'b': ift.RGSpace(2)}
        dom = tgt.copy()
        dom['c'] = ift.RGSpace(3)
        dom = ift.MultiDomain.make(dom)
        tgt = ift.MultiDomain.make(tgt)
        op = ift.PartialExtractor(dom, tgt)
        ift.extra.consistency_check(op)
Philipp Arras's avatar
Philipp Arras committed
310

Philipp Arras's avatar
Philipp Arras committed
311

Philipp Arras's avatar
Philipp Arras committed
312
313
314
315
316
@pmp('seed', [12, 3])
def testSlowFieldAdapter(seed):
    dom = {'a': ift.RGSpace(1), 'b': ift.RGSpace(2)}
    op = ift.operators.simple_linear_operators._SlowFieldAdapter(dom, 'a')
    ift.extra.consistency_check(op)
317
318
319
320
321
322
323
324


@pmp('dofdex', [(0,), (1,), (0, 1), (1, 0)])
def testCorFldDistr(dofdex):
    tgt = ift.UnstructuredDomain(len(dofdex))
    dom = ift.UnstructuredDomain(2)
    op = ift.library.correlated_fields._Distributor(dofdex, dom, tgt)
    ift.extra.consistency_check(op)