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Failed scipy 0.15.1 tests on Linux (only with Python 3.4.2 x86_64) #243

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lemieuxl opened this issue Jan 20, 2015 · 3 comments
Open

Failed scipy 0.15.1 tests on Linux (only with Python 3.4.2 x86_64) #243

lemieuxl opened this issue Jan 20, 2015 · 3 comments

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@lemieuxl
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The scipy package was just updated to version 0.15.1 using Anaconda on a Linux server (CentOS 6.5) and a Linux workstation (Fedora 21). Seven tests failed (Python 3.4.2 x86_64). The same 7 tests failed for scipy version 0.14.0 and 0.15.0 with Python 3.4.2. The installation used is on both system is Miniconda.

For the same installation but using Python 2.7.9 instead, there were no failed test. No failed test for Python 3.4.2 on Windows either.

There are no failures when package is compile from source (i.e. installed using pip) on the same Fedora 21 workstation on Python 3.4.2 (compiled from source).

Here are the failures:

======================================================================
FAIL: test_lambertw (test_minpack.TestFixedPoint)
----------------------------------------------------------------------
Traceback (most recent call last):
  File ".../miniconda3/envs/python3_env/======================================================================
FAIL: test_lambertw (test_minpack.TestFixedPoint)
----------------------------------------------------------------------
Traceback (most recent call last):
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 602, in chk_same_position
    assert_array_equal(x_id, y_id)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 739, in assert_array_equal
    verbose=verbose, header='Arrays are not equal')
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 665, in assert_array_compare
    raise AssertionError(msg)
AssertionError: 
Arrays are not equal

(mismatch 100.0%)
 x: array(False, dtype=bool)
 y: array(True, dtype=bool)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/scipy/optimize/tests/test_minpack.py", line 474, in test_lambertw
    assert_allclose(xxroot, lambertw(1)/2)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 1297, in assert_allclose
    verbose=verbose, header=header)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 628, in assert_array_compare
    chk_same_position(x_isnan, y_isnan, hasval='nan')
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 608, in chk_same_position
    raise AssertionError(msg)
AssertionError: 
Not equal to tolerance rtol=1e-07, atol=0

x and y nan location mismatch:
 x: array(0.2835716452048919)
 y: array((nan+nanj))

======================================================================
FAIL: test_basic.test_sph_harm((0.18816934037548771+1.3084077606337337e-310j), (1.1521668490919398e-17+0.18816934037548777j))
----------------------------------------------------------------------
Traceback (most recent call last):
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/nose/case.py", line 198, in runTest
    self.test(*self.arg)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 842, in assert_array_almost_equal
    precision=decimal)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 665, in assert_array_compare
    raise AssertionError(msg)
AssertionError: 
Arrays are not almost equal to 6 decimals

(mismatch 100.0%)
 x: array((0.18816934037548771+1.30840776063373e-310j))
 y: array((1.1521668490919398e-17+0.18816934037548777j))

======================================================================
FAIL: test_basic.test_sph_harm((0.027658293277811392+1.9231786378355521e-311j), (1.6935260841945294e-18+0.027658293277811399j))
----------------------------------------------------------------------
Traceback (most recent call last):
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/nose/case.py", line 198, in runTest
    self.test(*self.arg)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 842, in assert_array_almost_equal
    precision=decimal)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 665, in assert_array_compare
    raise AssertionError(msg)
AssertionError: 
Arrays are not almost equal to 6 decimals

(mismatch 100.0%)
 x: array((0.027658293277811392+1.9231786378356e-311j))
 y: array((1.6935260841945294e-18+0.0276582932778114j))

======================================================================
FAIL: test_basic.test_xlogy
----------------------------------------------------------------------
Traceback (most recent call last):
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/nose/case.py", line 198, in runTest
    self.test(*self.arg)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/scipy/special/tests/test_basic.py", line 2992, in test_xlogy
    assert_func_equal(special.xlogy, w2, z2, rtol=1e-13, atol=1e-13)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/scipy/special/_testutils.py", line 87, in assert_func_equal
    fdata.check()
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/scipy/special/_testutils.py", line 292, in check
    assert_(False, "\n".join(msg))
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 53, in assert_
    raise AssertionError(smsg)
AssertionError: 
Max |adiff|: 0
Max |rdiff|: 0
Bad results (2 out of 6) for the following points (in output 0):
                        (1+0j)                          (2+0j) =>                    (-inf+nanj) !=        (0.6931471805599453+0j)  (rdiff                            0.0)
                        (1+0j)                              1j =>                    (-inf+nanj) !=            1.5707963267948966j  (rdiff                            0.0)

======================================================================
FAIL: test_data.test_boost(<Data for sph_harm_: spherical_harmonic_ipp-spherical_harmonic>,)
----------------------------------------------------------------------
Traceback (most recent call last):
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/nose/case.py", line 198, in runTest
    self.test(*self.arg)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/scipy/special/tests/test_data.py", line 481, in _test_factory
    test.check(dtype=dtype)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/scipy/special/_testutils.py", line 292, in check
    assert_(False, "\n".join(msg))
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 53, in assert_
    raise AssertionError(smsg)
AssertionError: 
Max |adiff|: 0.97006
Max |rdiff|: 108.053
Bad results (126 out of 131) for the following points (in output 0):
                           2.0                             2.0              3.7438814640045166              1.9570953845977783 =>            0.33144250349035825           2.30463657303855e-310 !=             0.1186854013329545              0.3094639052141487  (rdiff              1.792613916858611)
                           3.0                             3.0              3.6941986083984375              1.8386235237121582 =>            -0.3741714859732107           -2.6017462518567e-310 !=            -0.0325198975911336              0.3727556266189188  (rdiff             10.505924485913106)
                           1.0                             5.0               1.166459321975708              0.3870134949684143 =>            -0.5364203760014501           -3.7299199832166e-310 !=            -0.2110327717936891            -0.49316527556044504  (rdiff              1.541881867172119)
                           2.0                             5.0              2.9254350662231445              0.6248452663421631 =>             0.4578598414491021            3.1836608908547e-310 !=            0.41573590536157273            -0.19183141402020165  (rdiff            0.10132378643334505)
                           3.0                             5.0             0.34395989775657654              0.8522719144821167 =>           -0.42795034896386785          -2.97568964535483e-310 !=           -0.21962689104593006             -0.3672948814070177  (rdiff             0.9485334738648721)
                           3.0                             5.0              3.1183650493621826               2.715601682662964 =>           -0.15776437457205714          -1.09699131442837e-310 !=             0.1573815017420447           -0.010984570703089043  (rdiff              2.002432768945362)
                           2.0                             6.0               4.094336986541748             0.04008698835968971 =>           0.008329334597416582             5.791679986765e-312 !=          -0.002736008135850404            0.007867151601201161  (rdiff              4.044338387841695)
                           2.0                             6.0              1.6007587909698486              1.0015974044799805 =>            -0.3337272069361331           -2.3205229215431e-310 !=             0.3331281795213689            0.019986611973298388  (rdiff              2.001798188960252)
                           4.0                             6.0              0.5854918956756592             0.48182523250579834 =>            0.12565790470569885             8.737437106782e-311 !=           -0.08758049579574413             0.09010863316685128  (rdiff             2.4347704196463917)
                           4.0                             8.0               5.641359329223633              0.4124985337257385 =>              0.218146974543117            1.5168528192233e-310 !=           -0.18315159629088795            -0.11850567614428817  (rdiff             2.1910732909837605)
                           4.0                             8.0              1.5511372089385986              3.0749006271362305 =>          0.0002638328474166781              1.83452279934e-313 !=          0.0002630175368006181         -2.0725508710879576e-05  (rdiff           0.003099833668802225)
                           5.0                             8.0               4.651904106140137             0.13535942137241364 =>         -0.0004228333324149478             -2.94010922535e-313 !=          0.0001259347457772988          0.00040364398522353527  (rdiff              4.357558946938124)
                           6.0                             8.0              0.5504761934280396              1.8135552406311035 =>           -0.04195558833796819            -2.917319966775e-311 !=             0.0414112160547798            0.006736659235066684  (rdiff             2.0131455275901167)
                           9.0                            10.0              1.9321719408035278             0.02481086179614067 =>           -8.6349727524546e-15                         -5e-324 !=         -9.546944808721606e-16           8.582034309169971e-15  (rdiff               8.04474983930579)
                           3.0                            11.0            0.005926645360887051               3.102689743041992 =>         -0.0024107003434774583            -1.676244935306e-312 !=          -0.002410319310833805         -4.2859839752331065e-05  (rdiff         0.00015808388620568834)
                           8.0                            11.0               2.385113000869751              3.0671277046203613 =>        -1.7352226746814403e-08                 -1.2065617e-317 !=        -1.6889931796373325e-08          -3.978690360755082e-09  (rdiff           0.027371037137067858)
                           2.0                            12.0               4.164240837097168               1.472840428352356 =>           -0.11343040993453578           -7.8872162887064e-311 !=           0.051825648699074335            -0.10089876131468112  (rdiff             3.1886925254552922)
                           4.0                            12.0               5.138848781585693             0.33773159980773926 =>             0.4312404238300418            2.9985666957777e-310 !=          -0.058059105198654905               0.427314220976374  (rdiff              8.427610576403314)
                           4.0                            12.0                1.97115957736969              1.4737725257873535 =>              0.133840154404005            9.3063777738924e-311 !=         -0.0041024515101737245              0.1337772657161694  (rdiff                33.624432993807)
                          12.0                            12.0              0.1887936294078827              1.6081607341766357 =>             0.5615419944572694            3.9045994526797e-310 !=             -0.359485657701196             0.43139248190735413  (rdiff              2.562070648515336)
                           3.0                            13.0               6.070216655731201               0.839149534702301 =>            -0.3726545778153931          -2.59119865466674e-310 !=           -0.29914795433974745             0.22222046661168113  (rdiff            0.24571996033829768)
                           4.0                            13.0               5.675355911254883                1.46112060546875 =>            0.32268696930308416            2.2437562571708e-310 !=            -0.2446556284178114            -0.21040556941653282  (rdiff             2.3189435754652434)
                           9.0                            13.0              0.6015634536743164              0.8038066029548645 =>             -0.446033762793471           -3.1014299968131e-310 !=            -0.2879162739705174              0.3406616161745208  (rdiff             0.5491787131113848)
                          11.0                            13.0               6.052441120147705              0.3740127980709076 =>        -0.00013312473915586117              -9.2566324297e-314 !=          0.0001096158847926153           7.554173665231829e-05  (rdiff             2.2144657629477953)
                           1.0                            14.0               6.065327167510986               0.403349369764328 =>             0.4684685061165817            3.2574266762513e-310 !=            0.45739514169698087            -0.10125426200955845  (rdiff           0.024209624043048553)
                           2.0                            14.0              1.1857155561447144               2.000699758529663 =>            0.33368925549147854           2.32025903176913e-310 !=           -0.23952154883733628             0.23233154515265614  (rdiff             2.3931492056194634)
                           5.0                            14.0              1.6902021169662476               2.462371826171875 =>            -0.2945990359426705          -2.04845095443567e-310 !=            0.16562000518224773             -0.2436362162359751  (rdiff             2.7787648033128285)
                           9.0                            14.0              3.4293742179870605              2.8933916091918945 =>          0.0003239965793031132               2.2528624372e-313 !=         0.00027595075078722537         -0.00016977916992400195  (rdiff            0.17411015689873605)
                          12.0                            14.0               1.647701621055603              0.3878519833087921 =>           8.01727748716284e-05                5.574695677e-314 !=          4.838743212618287e-05           6.392441038328694e-05  (rdiff             0.6568925307413906)
                          14.0                            14.0               1.124784231185913               2.603245973587036 =>          5.094796853098425e-05               3.5425918634e-314 !=        -5.0909195784017636e-05          -1.987280065499203e-06  (rdiff               2.00076160596076)
                           1.0                            15.0              1.4293510913848877              2.1590051651000977 =>            -0.3312378977712346          -2.30321387734206e-310 !=          -0.046695952478768205             -0.3279299207788267  (rdiff             6.0935034020741385)
                          10.0                            15.0              3.1241142749786377              0.3937534987926483 =>           0.006504641281006766             4.522906396383e-312 !=           0.006405537610345807          -0.0011311260394061828  (rdiff           0.015471561746962965)
                           5.0                            16.0              0.1270323544740677              2.2032878398895264 =>            0.15935243440326305            1.1080336542871e-310 !=            0.12827484160659902             0.09454503350810217  (rdiff              0.242273484086417)
                          10.0                            16.0              3.2160444259643555              2.9961600303649902 =>         1.2330880352103587e-06                  8.5740958e-316 !=          9.068311742569786e-07           8.355616817295483e-07  (rdiff             0.3597768473505578)
                           1.0                            17.0               6.191986560821533              1.0335735082626343 =>            0.34347575160430904            2.3883079893591e-310 !=             0.3420483611338878            -0.03128115384327176  (rdiff           0.004173066246215715)
                           9.0                            17.0              1.8822007179260254               2.629911422729492 =>            -0.2935926929612901           -2.0414534969114e-310 !=            0.09761956195992832             0.27688822741859914  (rdiff              4.007519057315648)
                          10.0                            17.0               5.651280403137207              1.8151215314865112 =>           -0.12461313447405775           -8.6647905493583e-311 !=           -0.12453300389782715            0.004468134245227024  (rdiff          0.0006434485134265738)
                          12.0                            17.0              2.0395255088806152               2.035057783126831 =>             0.2236953561631914            1.5554326726463e-310 !=              0.176932002302812             -0.1368746833059166  (rdiff             0.2643012753585741)
                          14.0                            17.0              3.4908628463745117              1.7063461542129517 =>            0.41057163406712766            2.8548493140103e-310 !=            0.07245143914243878            -0.40412851380067316  (rdiff              4.666852707507274)
                          16.0                            17.0               5.198953628540039              2.3042104244232178 =>          -0.020662726239223585           -1.4367521994954e-311 !=         -0.0014235099754120138           -0.020613633231116753  (rdiff             13.515336454346281)
                           1.0                            18.0               6.065383434295654              1.7507085800170898 =>           -0.05846421624522959           -4.0652230644494e-311 !=            -0.0570829867271008            0.012633178835218266  (rdiff           0.024196868407255923)
                           3.0                            18.0               4.349996566772461               2.466355562210083 =>            0.21845557788147296           1.51899864702947e-310 !=            0.19340263325020318             0.10157884110096903  (rdiff            0.12953776383622978)
                           7.0                            18.0              2.0436699390411377               1.081864833831787 =>             0.3188363803093444            2.2169817544162e-310 !=          -0.053477180599598904             0.31431962802835367  (rdiff              6.962101530680467)
                          18.0                            18.0              1.4317092895507812              0.2519867718219757 =>          8.645228901272869e-12                      6.013e-321 !=         6.9444795446057865e-12           5.149192811495066e-12  (rdiff            0.24490666949809956)
                           4.0                            19.0               4.676140308380127               2.359915256500244 =>            0.25890784123407495           1.80027749510365e-310 !=            0.25619103669659704            -0.03740886216943547  (rdiff           0.010604604175498071)
                          15.0                            20.0               3.125328302383423              1.7516779899597168 =>            0.22928550913428153           1.59430297699885e-310 !=           -0.22249585765031965             0.05538445655069125  (rdiff              2.030515855691267)
                          18.0                            20.0              3.5437357425689697             0.42806243896484375 =>          1.918872200159858e-06                 1.33425949e-315 !=         1.1077459457291212e-06          1.5668342095662384e-06  (rdiff             0.7322313004692166)
                           1.0                            21.0              1.1432034969329834               2.091248035430908 =>           -0.06260952995753177           -4.3534613406963e-311 !=            -0.0259630176514169           -0.056972580737889016  (rdiff             1.4114889416221206)
                           9.0                            21.0              3.7809624671936035               2.998842477798462 =>        -0.00014601085112594486              -1.0152649223e-313 !=          0.0001260634821990499          -7.366930909390001e-05  (rdiff             2.1582327298828594)
                           3.0                            22.0              0.6571124196052551              1.3689675331115723 =>            -0.3158775166053893          -2.19640773196897e-310 !=            0.12316586097730232             -0.2908758776291148  (rdiff              3.564651552783778)
                           6.0                            22.0              3.0635886192321777               2.452491283416748 =>            0.41865248077513556            2.9110382899813e-310 !=            0.37363116123718615            -0.18886411785123972  (rdiff            0.12049669355433998)
                          10.0                            22.0               1.582857370376587              0.8644598126411438 =>            0.10535384374474936             7.325624168519e-311 !=           -0.10458848750001873           -0.012675988097635035  (rdiff              2.007317786718452)
                          10.0                            22.0               4.376813888549805              1.6321626901626587 =>              0.110209726510066            7.6632708160516e-311 !=             0.1076920547546031           -0.023422321835273454  (rdiff           0.023378435495542315)
                          18.0                            22.0               1.023486852645874              1.2528938055038452 =>           -0.22801439903616455           -1.5854645003713e-310 !=           -0.20756108656065894              0.0943872952975236  (rdiff            0.09854117076771134)
                          19.0                            22.0               5.047366142272949               2.022489070892334 =>             0.5329762846792203            3.7059720020781e-310 !=           -0.04332615913967939              0.5312123529857604  (rdiff             13.301489337214402)
                          14.0                            23.0               5.628893852233887              2.7440736293792725 =>          -0.005459581783877114            -3.796239685654e-312 !=           0.005269433615063089           0.0014283216133931613  (rdiff             2.0360851246461236)
                           1.0                            25.0               5.681798458099365              0.7773735523223877 =>           -0.07666953939360759            -5.331103363744e-311 !=           -0.06321800269170814             0.04337859387415682  (rdiff            0.21278015959311197)
                           7.0                            25.0             0.32801327109336853              2.6453042030334473 =>            0.46200489550784374           3.21248291301663e-310 !=           -0.30647436470681927              0.3457195210727418  (rdiff             2.5074830025336987)
                          10.0                            25.0              1.7879446744918823              3.0952658653259277 =>         -2.129594021771624e-09                  -1.480784e-318 !=        -1.2036667074182604e-09          1.7568031065028704e-09  (rdiff             0.7692555660523179)
                          19.0                            25.0               5.628895282745361             0.06821203231811523 =>         -1.298017317729461e-19                             0.0 !=         -1.286231507340439e-19         -1.7452067685713627e-20  (rdiff           0.009163055267859004)
                          21.0                            25.0              1.6470742225646973                0.65260249376297 =>         -0.0029496552516189998             -2.05099928318e-312 !=           0.002948234443626144           9.154107722760616e-05  (rdiff             2.0004819182531186)
                          24.0                            25.0               3.483907461166382              2.6782121658325195 =>        -1.7266314422848904e-08                  -1.200588e-317 !=          6.107901093133269e-09          -1.614989653171765e-08  (rdiff             3.8268817977848957)
                           8.0                            26.0              1.7683135271072388               2.162156343460083 =>             0.2344754259001149            1.6303902979176e-310 !=         -0.0021902677451976515             0.23446519587828904  (rdiff              108.0533163875614)
                           8.0                            26.0               4.156087398529053               2.944816827774048 =>            0.04497482119223068             3.127257871093e-311 !=          -0.011648026682090862            0.043440281026788895  (rdiff             4.8611536889231735)
                          23.0                            26.0               2.850924015045166               2.308638095855713 =>           0.026296952565257242             1.828519818766e-311 !=          -0.024198577688656308            0.010293617054536935  (rdiff             2.0867148021507314)
                           5.0                            27.0              5.2587056159973145               0.650668203830719 =>               0.38102601242562           2.64940819076534e-310 !=             0.1518838339440685              0.3494454508666825  (rdiff             1.5086673316788508)
                          14.0                            27.0              4.7487263679504395              1.0453426837921143 =>              -0.13107002129601           -9.1137606531057e-311 !=            0.11447223007891548             0.06383932192071198  (rdiff             2.1449940409621813)
                           2.0                            28.0               1.829897165298462              2.1776881217956543 =>           0.009863751175472021              6.85861392759e-312 !=          -0.008568752372095924          -0.0048857005677113196  (rdiff              2.151130380146502)
                          25.0                            28.0              2.0941126346588135               1.380505919456482 =>              0.260115582199531           1.80867534381174e-310 !=           -0.12846379713076891               0.226179505989702  (rdiff             3.0248162362408455)
                           5.0                            30.0              3.2435364723205566              1.3224494457244873 =>            -0.3020511789755005           -2.1002683321109e-310 !=             0.2636549179860568              0.1473804564460816  (rdiff              2.145630740677002)
                           5.0                            30.0              4.1063690185546875              1.5393459796905518 =>           -0.26006039785881857           -1.8082916276362e-310 !=            0.02893483993329997            -0.25844571107395325  (rdiff               9.98779459151337)
                          12.0                            30.0               2.331510543823242              2.9382705688476562 =>           0.001282401883828387               8.9169923944e-313 !=         -0.0012265538183565026           0.0003743264916107619  (rdiff               2.04553250304721)
                          20.0                            30.0              4.2898664474487305              2.3134193420410156 =>             0.5219355011323272            3.6292015417744e-310 !=           -0.29318407317941253            -0.43180987318052627  (rdiff             2.7802314275541544)
                          23.0                            30.0               4.037663459777832              0.7261975407600403 =>           -0.06779391933698252            -4.713950211222e-311 !=          -0.012755301400432633             0.06658316442805515  (rdiff              4.314960204286751)
                          28.0                            30.0              2.5537784099578857             0.22341783344745636 =>         1.3087867815105707e-17                             0.0 !=         -9.568789715259135e-18           8.929196342943402e-18  (rdiff              2.367766269775453)
                           1.0                            31.0               4.177355766296387              0.9285646080970764 =>            0.07032478723281599             4.889930378305e-311 !=           -0.03585647199343661            -0.06049701741015584  (rdiff              2.961285740707805)
                          11.0                            31.0              0.3647511601448059              3.0240728855133057 =>        -2.9500943723850974e-05              -2.0513046195e-314 !=         1.9007877531794893e-05           2.256116735308832e-05  (rdiff             2.5520377630013713)
                          16.0                            31.0              3.2588040828704834             0.07541969418525696 =>          7.378941434044751e-13                       5.14e-322 !=        -2.2129354866106521e-13           7.039296358241013e-13  (rdiff              4.334458450637615)
                          30.0                            31.0             0.06578446179628372              0.7328606843948364 =>          2.410777563312001e-05                1.676298629e-314 !=         -9.448760825643987e-06           2.217894868646006e-05  (rdiff              3.551421935423678)
                          25.0                            33.0               1.636008858680725              1.7851890325546265 =>           -0.01030408343739056            -7.164792472716e-312 !=            0.01028583890235231           0.0006129058325419285  (rdiff              2.001773752749917)
                          29.0                            33.0              1.8222459554672241              1.9157567024230957 =>           -0.34292596923091234          -2.38448515869733e-310 !=            0.29019140898839474             -0.1827215546187445  (rdiff             2.1817233681257138)
                          31.0                            33.0              3.9526233673095703              2.0581443309783936 =>           -0.14703685515949136           -1.0223990900883e-310 !=            0.14703061785490068           0.0013543221180469735  (rdiff             2.0000424218076596)
                           7.0                            34.0               3.556227922439575              3.0894107818603516 =>         0.00019187093276435357               1.3341462374e-313 !=         0.00018641041510024638         -4.5449004191754784e-05  (rdiff           0.029292985915892453)
                          27.0                            34.0             0.37764084339141846              0.5653666257858276 =>        -0.00020202362941014863             -1.40474151643e-313 !=         0.00014482030760668206          0.00014085675470049277  (rdiff             2.3949951684871795)
                          27.0                            35.0               6.086514472961426             0.23241953551769257 =>        -2.1581064013538426e-13                       -1.5e-322 !=        -1.2145006444031332e-13         -1.7839314516843793e-13  (rdiff             0.7769495728958175)
                           1.0                            36.0               4.273143768310547              2.1743738651275635 =>           0.011349490084927118             7.891700569365e-312 !=          -0.004826443842053104            -0.01027211589826429  (rdiff              3.351522250406875)
                           3.0                            36.0              0.9703075885772705               1.050179362297058 =>          -0.028785851718089627            -2.001581751192e-311 !=           0.028023414023822312           -0.006581301207609499  (rdiff              2.027207166607865)
                          25.0                            36.0             0.17585793137550354               2.884145975112915 =>          4.703670874857525e-10                     3.2706e-319 !=        -1.4614810787689115e-10         -4.4708604043721866e-10  (rdiff              4.218427486464412)
                          30.0                            36.0               4.857453346252441               1.384168267250061 =>              0.332261996382048            2.3103347960173e-310 !=            0.11718975012366616             0.31090930623855045  (rdiff             1.8352479293745723)
                          36.0                            36.0              1.7278046607971191               2.759199857711792 =>         2.8535651245733185e-16                             0.0 !=          2.304269908934408e-16         -1.6832035251153219e-16  (rdiff            0.23838145588288642)
                          21.0                            37.0                3.42427396774292              1.7281419038772583 =>           -0.05900819852578079           -4.1030480701635e-311 !=            0.05549359697412458           -0.020060612855328577  (rdiff              2.063333460854862)
                          16.0                            38.0               5.479281425476074              2.2381556034088135 =>             0.2317312643499088            1.6113091752362e-310 !=            0.22164730040201844            -0.06761547974912585  (rdiff            0.04549554147332408)
                          21.0                            38.0              2.4704010486602783               1.501323938369751 =>           -0.27281381199413096          -1.89697061218953e-310 !=           0.011493854322261368             -0.2725715820249569  (rdiff              24.73562465166654)
                          30.0                            38.0              3.3577494621276855              1.4870713949203491 =>            -0.1747214116270546          -1.21489957108155e-310 !=           -0.17118569301682476            -0.03497184849704076  (rdiff            0.02065428803026389)
                          34.0                            38.0              2.6838502883911133              1.7706516981124878 =>           -0.44959400427074714           -3.1261856109271e-310 !=            0.44489390978321897             0.06483963073619614  (rdiff             2.0105645287206073)
                          16.0                            39.0             0.40230125188827515              1.1386219263076782 =>           -0.07067554292106028            -4.914319657858e-311 !=           -0.06984308266266644           -0.010815552291147088  (rdiff           0.011919007962671445)
                          23.0                            40.0              2.1926369667053223              2.2005276679992676 =>             0.4078815508857499           2.83614421729205e-310 !=             0.4023306026492278             0.06706299817986933  (rdiff            0.01379698238207765)
                          25.0                            40.0               2.965238332748413               2.785151720046997 =>         1.2802246334602265e-05                8.901853204e-315 !=          3.826484040814675e-06         -1.2217018093513182e-05  (rdiff             2.3456944281091556)
                           1.0                            41.0              0.5735069513320923              2.7866339683532715 =>            -0.5328594427640785          -3.70515955905083e-310 !=            -0.4476037109090902            -0.28911953189512457  (rdiff             0.1904714589649683)
                           3.0                            41.0             0.46947982907295227               2.117586851119995 =>           -0.27746481516772487          -1.92931067691357e-310 !=          -0.044850660846618984             -0.2738158904769424  (rdiff              5.186415315408697)
                           9.0                            41.0              1.0571398735046387              0.7519805431365967 =>          -0.024798919838402222           -1.7243563221245e-311 !=           0.024699705676628218           0.0022160696377651963  (rdiff             2.0040168155472347)
                          19.0                            41.0              3.7745871543884277              2.9545609951019287 =>         -7.910177999111274e-07                 -5.5002256e-316 !=           6.78676212912783e-07         -4.0633453926854345e-07  (rdiff              2.165530461891673)
                          20.0                            41.0               2.340153217315674              1.7115272283554077 =>             0.3151419325449281            2.1912929566748e-310 !=            -0.2990619520129218             0.09938001059756993  (rdiff             2.0537680585035156)
                          38.0                            41.0               5.742122173309326               3.129258394241333 =>         -6.321117106434385e-71                             0.0 !=          8.823615444551227e-72           6.259229950918043e-71  (rdiff              8.163862870222673)
                          22.0                            42.0              4.8256964683532715              0.7553214430809021 =>           -0.44419605061110257           -3.0886517361447e-310 !=            -0.3539321169653483             0.26840675840769684  (rdiff            0.25503176829412044)
                           1.0                            43.0               5.253942012786865               1.933343529701233 =>           -0.32864219082260443           -2.2851650118414e-310 !=            -0.1694043423598797              0.2816165094206977  (rdiff             0.9399868164208127)
                          10.0                            43.0               3.907513380050659               1.251060128211975 =>             0.2711784828166164           1.88559959190165e-310 !=           0.052485287082250025             0.26605086765995645  (rdiff             4.1667523965649815)
                          24.0                            43.0               4.576013088226318               2.773160219192505 =>          -0.000486936843879032              -3.3858435395e-313 !=          0.0004827373378371254           -6.38134200995433e-05  (rdiff              2.008699360320298)
                          19.0                            44.0               4.806464672088623            0.004135284572839737 =>         -2.438662639712269e-37                             0.0 !=          2.381658413959575e-37            5.24193351306132e-38  (rdiff               2.02393467737379)
                          23.0                            44.0               5.198854446411133              1.4365551471710205 =>             0.3192563268860462           2.21990179101134e-310 !=             0.3133207205301567              0.0612758381683456  (rdiff           0.018944187112317802)
                          34.0                            45.0              1.3776473999023438              1.7751652002334595 =>           -0.06225318205023813            -4.328683214438e-311 !=           0.059761588654541654            -0.01743591686334365  (rdiff             2.0416922215722777)
                           9.0                            46.0              2.3506546020507812             0.19425664842128754 =>            -0.5805311010591668          -4.03663740527537e-310 !=             0.3895288399760187            -0.43044586433592813  (rdiff              2.490341770573155)
                          24.0                            46.0               4.104547500610352              3.0920257568359375 =>          3.932582884497079e-23                             0.0 !=        -1.7141793730524634e-23         -3.5393215762950885e-23  (rdiff             3.2941489941593876)
                          31.0                            46.0               4.013978481292725              2.6404824256896973 =>          0.0005688485619544956              3.95540459233e-313 !=          0.0001899305395950215          -0.0005362043235249431  (rdiff             1.9950347277874336)
                          33.0                            46.0               4.432472229003906              1.6479690074920654 =>            0.21942932817669156            1.5257694761167e-310 !=          -0.040907775367135864             0.21558242966110702  (rdiff              6.364000515974643)
                          38.0                            46.0               3.649390459060669              0.8901818990707397 =>             0.1540139312797146           1.07091316004075e-310 !=            0.13889767421801824             0.06654116864812325  (rdiff             0.1088301668606013)
                           6.0                            47.0              0.5179188251495361              2.9439375400543213 =>           -0.35715586435084395          -2.48343063605327e-310 !=              0.356948479346197           -0.012169409707676878  (rdiff              2.000580994223667)
                          16.0                            47.0               1.767732858657837             0.21350789070129395 =>           0.004027183155156467             2.800242421523e-312 !=          -0.004027005543663848          -3.782216911826488e-05  (rdiff             2.0000441051025866)
                          21.0                            47.0               4.739374160766602              0.4007311165332794 =>           -0.13090066976259968           -9.1019850439583e-311 !=           -0.07027289658305304             0.11043869498561021  (rdiff             0.8627476043753629)
                          31.0                            47.0               2.583292245864868              0.7313763499259949 =>            -0.5099382737794415           -3.5457805905042e-310 !=           0.014558311977380004               0.509730417591029  (rdiff              36.02729400027687)
                           5.0                            48.0              1.4751684665679932                1.32283616065979 =>            -0.1844104645631254          -1.28227097191104e-310 !=           -0.08485240840233702             -0.1637293138955596  (rdiff              1.173308548753536)
                          15.0                            48.0               5.052380561828613              2.1509382724761963 =>            0.35808433829604064            2.4898866427171e-310 !=             0.3315368267723346             0.13530604504841517  (rdiff            0.08007409548483176)
                           6.0                            49.0               5.553317070007324               2.886813163757324 =>             0.5289608379894482           3.67805118564424e-310 !=           -0.17299631476757985              0.4998718267749576  (rdiff              4.057642231859712)
                          21.0                            49.0              3.4877524375915527             0.21336454153060913 =>        -1.2498861741091206e-05               -8.690899203e-315 !=           6.89796777283137e-06           1.042303148934606e-05  (rdiff              2.811962907440617)
                          26.0                            49.0              2.7484397888183594              1.9592708349227905 =>           -0.17133969294478424          -1.19138528889742e-310 !=            0.11971762382480258             -0.1225764289092978  (rdiff             2.4311985777092144)
                          27.0                            49.0               2.262770175933838              0.4912377595901489 =>           -0.06166012078946051            -4.287445574206e-311 !=           0.010204568382238143            0.060809845254720905  (rdiff               7.04240360589722)

======================================================================
FAIL: test_lambertw.test_values
----------------------------------------------------------------------
Traceback (most recent call last):
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/nose/case.py", line 198, in runTest
    self.test(*self.arg)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/scipy/special/tests/test_lambertw.py", line 21, in test_values
    assert_equal(lambertw(inf,1).real, inf)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 319, in assert_equal
    raise AssertionError(msg)
AssertionError: 
Items are not equal:
 ACTUAL: nan
 DESIRED: inf

======================================================================
FAIL: test_lambertw.test_ufunc
----------------------------------------------------------------------
Traceback (most recent call last):
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 602, in chk_same_position
    assert_array_equal(x_id, y_id)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 739, in assert_array_equal
    verbose=verbose, header='Arrays are not equal')
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 665, in assert_array_compare
    raise AssertionError(msg)
AssertionError: 
Arrays are not equal

(mismatch 66.66666666666666%)
 x: array([False,  True,  True], dtype=bool)
 y: array([False, False, False], dtype=bool)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/nose/case.py", line 198, in runTest
    self.test(*self.arg)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/scipy/special/tests/test_lambertw.py", line 93, in test_ufunc
    lambertw(r_[0., e, 1.]), r_[0., 1., 0.567143290409783873])
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 842, in assert_array_almost_equal
    precision=decimal)
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 628, in assert_array_compare
    chk_same_position(x_isnan, y_isnan, hasval='nan')
  File ".../miniconda3/envs/python3_env/lib/python3.4/site-packages/numpy/testing/utils.py", line 608, in chk_same_position
    raise AssertionError(msg)
AssertionError: 
Arrays are not almost equal to 6 decimals

x and y nan location mismatch:
 x: array([  0.+0.j,  nan+0.j,  nan+0.j])
 y: array([ 0.      ,  1.      ,  0.567143])

----------------------------------------------------------------------
Ran 16843 tests in 315.514s

FAILED (KNOWNFAIL=97, SKIP=1198, failures=7)

Thanks
@wholmgren
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Also struggling with conda's scipy 0.15 on Python 3.4 on linux. Edited history below:

$ rm -rf ~/miniconda3/pkgs/numpy-1.*
$ rm -rf ~/miniconda3/pkgs/scipy-0.1*

$ conda create -n scipytest3 python=3.4
$ source activate scipytest3
$ conda install -f scipy numpy

The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    numpy-1.9.2                |           py34_0         7.7 MB
    scipy-0.15.1               |       np19py34_0        36.6 MB
    ------------------------------------------------------------
                                           Total:        44.2 MB

$ python -c "from scipy.special import lambertw; print(lambertw(1))"
(nan+0j)

$ conda create -n scipytest2 python=2.7
$ source activate scipytest2
$ conda install -f scipy numpy

The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    numpy-1.9.2                |           py27_0         7.8 MB
    scipy-0.15.1               |       np19py27_0        37.0 MB
    ------------------------------------------------------------
                                           Total:        44.7 MB

$ python -c "from scipy.special import lambertw; print(lambertw(1))"
(0.56714329041+0j)

Maybe related to #260 or conda #1331?

@wholmgren wholmgren mentioned this issue Jun 24, 2015
Closed
@wholmgren
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works if you $ conda install numpy=1.8 scipy=0.14

@wholmgren
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Does not work if you install numpy 1.9.2 and scipy 0.15.1 via pip, so this isn't just a conda problem. However, I thought that conda was supposed to prevent these kinds of conflicts from happening.

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@wholmgren @lemieuxl