[tests] One test failing on OpenBSD

Reproduce el fallo de filters_sampling en OpenBSD usando el comando de prueba indicado e inspecciona test/filters/test_sampling.cpp alrededor de las líneas 174-176 y 240-242. Sigue la prueba RandomSample y sus datos de la nube de puntos de entrada para determinar por qué las coordenadas muestreadas difieren en esta plataforma. Se considera terminado cuando la prueba pasa en OpenBSD, preservando al mismo tiempo las comprobaciones de sampling existentes en otras plataformas.

I have a finished port of pcl on OpenBSD and all tests are passing except the following one (apologies for the long code-block, for some reason the <details> block wasn't working):

67/131 Testing: filters_sampling
67/131 Test: filters_sampling
Command: "/usr/ports/pobj/pcl-1.14.1/build-amd64/test/filters/test_filters_sampling" "/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/sac_plane_test.pcd" "/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/cturtle.pcd"
Directory: /usr/ports/pobj/pcl-1.14.1/build-amd64/test/filters
"filters_sampling" start time: Nov 23 15:05 CET
Output:
----------------------------------------------------------
[==========] Running 3 tests from 3 test suites.
[----------] Global test environment set-up.
[----------] 1 test from CovarianceSampling
[ RUN      ] CovarianceSampling.Filters
[       OK ] CovarianceSampling.Filters (467 ms)
[----------] 1 test from CovarianceSampling (468 ms total)

[----------] 1 test from NormalSpaceSampling
[ RUN      ] NormalSpaceSampling.Filters
[       OK ] NormalSpaceSampling.Filters (0 ms)
[----------] 1 test from NormalSpaceSampling (0 ms total)

[----------] 1 test from RandomSample
[ RUN      ] RandomSample.Filters
/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:174: Failure
The difference between (*cloud_walls)[indices[i]].x and cloud_out[i].x is 0.13532000780105591, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].x evaluates to 0.746940016746521,
cloud_out[i].x evaluates to 0.8822600245475769, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:175: Failure
The difference between (*cloud_walls)[indices[i]].y and cloud_out[i].y is 0.035482000559568405, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].y evaluates to 0.061050001531839371,
cloud_out[i].y evaluates to 0.096532002091407776, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:176: Failure
The difference between (*cloud_walls)[indices[i]].z and cloud_out[i].z is 0.093139998614788055, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].z evaluates to 0.21504999697208405,
cloud_out[i].z evaluates to 0.12190999835729599, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:174: Failure
The difference between (*cloud_walls)[indices[i]].x and cloud_out[i].x is 0.16710007190704346, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].x evaluates to 1.169700026512146,
cloud_out[i].x evaluates to 1.0025999546051025, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:175: Failure
The difference between (*cloud_walls)[indices[i]].y and cloud_out[i].y is 0.11173499748110771, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].y evaluates to -0.07779499888420105,
cloud_out[i].y evaluates to 0.033939998596906662, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:176: Failure
The difference between (*cloud_walls)[indices[i]].z and cloud_out[i].z is 0.06676039844751358, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].z evaluates to -0.0049254000186920166,
cloud_out[i].z evaluates to 0.061834998428821564, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:174: Failure
The difference between (*cloud_walls)[indices[i]].x and cloud_out[i].x is 0.52496999502182007, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].x evaluates to 1.2644000053405762,
cloud_out[i].x evaluates to 0.7394300103187561, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:175: Failure
The difference between (*cloud_walls)[indices[i]].y and cloud_out[i].y is 0.53175699710845947, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].y evaluates to -0.46367999911308289,
cloud_out[i].y evaluates to 0.068076997995376587, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:176: Failure
The difference between (*cloud_walls)[indices[i]].z and cloud_out[i].z is 0.085060000419616699, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].z evaluates to 0.12296999990940094,
cloud_out[i].z evaluates to 0.20803000032901764, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:174: Failure
The difference between (*cloud_walls)[indices[i]].x and cloud_out[i].x is 0.41408997774124146, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].x evaluates to 0.97210997343063354,
cloud_out[i].x evaluates to 1.386199951171875, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:175: Failure
The difference between (*cloud_walls)[indices[i]].y and cloud_out[i].y is 0.30687500536441803, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].y evaluates to -0.075084999203681946,
cloud_out[i].y evaluates to -0.38196000456809998, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:176: Failure
The difference between (*cloud_walls)[indices[i]].z and cloud_out[i].z is 0.14896999672055244, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].z evaluates to 0.13686999678611755,
cloud_out[i].z evaluates to -0.012099999934434891, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:174: Failure
The difference between (*cloud_walls)[indices[i]].x and cloud_out[i].x is 0.015799999237060547, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].x evaluates to 1.117400050163269,
cloud_out[i].x evaluates to 1.1332000494003296, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:175: Failure
The difference between (*cloud_walls)[indices[i]].y and cloud_out[i].y is 0.58767998218536377, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].y evaluates to 0.20919999480247498,
cloud_out[i].y evaluates to -0.37847998738288879, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:176: Failure
The difference between (*cloud_walls)[indices[i]].z and cloud_out[i].z is 0.27554000169038773, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].z evaluates to -0.10115999728441238,
cloud_out[i].z evaluates to 0.17438000440597534, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:174: Failure
The difference between (*cloud_walls)[indices[i]].x and cloud_out[i].x is 0.17079997062683105, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].x evaluates to 1.2455999851226807,
cloud_out[i].x evaluates to 1.4163999557495117, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:175: Failure
The difference between (*cloud_walls)[indices[i]].y and cloud_out[i].y is 0.49975098669528961, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].y evaluates to 0.059230998158454895,
cloud_out[i].y evaluates to -0.44051998853683472, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:176: Failure
The difference between (*cloud_walls)[indices[i]].z and cloud_out[i].z is 0.23713169433176517, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].z evaluates to -0.24710999429225922,
cloud_out[i].z evaluates to -0.0099782999604940414, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:174: Failure
The difference between (*cloud_walls)[indices[i]].x and cloud_out[i].x is 0.083500027656555176, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].x evaluates to 1.3276000022888184,
cloud_out[i].x evaluates to 1.4111000299453735, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:175: Failure
The difference between (*cloud_walls)[indices[i]].y and cloud_out[i].y is 0.37752000987529755, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].y evaluates to -0.14044000208377838,
cloud_out[i].y evaluates to -0.51796001195907593, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:176: Failure
The difference between (*cloud_walls)[indices[i]].z and cloud_out[i].z is 0.12269199639558792, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].z evaluates to -0.091027997434139252,
cloud_out[i].z evaluates to 0.031663998961448669, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:174: Failure
The difference between (*cloud_walls)[indices[i]].x and cloud_out[i].x is 0.477649986743927, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].x evaluates to 1.2958999872207642,
cloud_out[i].x evaluates to 0.81825000047683716, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:175: Failure
The difference between (*cloud_walls)[indices[i]].y and cloud_out[i].y is 0.021604999899864197, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].y evaluates to -0.098802000284194946,
cloud_out[i].y evaluates to -0.07719700038433075, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:176: Failure
The difference between (*cloud_walls)[indices[i]].z and cloud_out[i].z is 0.42886999249458313, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].z evaluates to -0.17535999417304993,
cloud_out[i].z evaluates to 0.2535099983215332, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:174: Failure
The difference between (*cloud_walls)[indices[i]].x and cloud_out[i].x is 0.04440009593963623, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].x evaluates to 1.3631000518798828,
cloud_out[i].x evaluates to 1.3186999559402466, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:175: Failure
The difference between (*cloud_walls)[indices[i]].y and cloud_out[i].y is 0.071829989552497864, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].y evaluates to -0.24099999666213989,
cloud_out[i].y evaluates to -0.16917000710964203, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:176: Failure
The difference between (*cloud_walls)[indices[i]].z and cloud_out[i].z is 0.054789997637271881, which exceeds 1e-4, where
(*cloud_walls)[indices[i]].z evaluates to -0.084090001881122589,
cloud_out[i].z evaluates to -0.13887999951839447, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:240: Failure
The difference between (*cloud_walls)[indices2[i]].x and cloud_out[i].x is 0.2284199595451355, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].x evaluates to 0.90428000688552856,
cloud_out[i].x evaluates to 1.1326999664306641, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:241: Failure
The difference between (*cloud_walls)[indices2[i]].y and cloud_out[i].y is 0.13600100018084049, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].y evaluates to 0.11766000092029572,
cloud_out[i].y evaluates to -0.018340999260544777, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:242: Failure
The difference between (*cloud_walls)[indices2[i]].z and cloud_out[i].z is 0.10837760381400585, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].z evaluates to 0.1030300036072731,
cloud_out[i].z evaluates to -0.0053476002067327499, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:240: Failure
The difference between (*cloud_walls)[indices2[i]].x and cloud_out[i].x is 0.28091001510620117, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].x evaluates to 1.0195000171661377,
cloud_out[i].x evaluates to 0.73859000205993652, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:241: Failure
The difference between (*cloud_walls)[indices2[i]].y and cloud_out[i].y is 0.27792400773614645, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].y evaluates to -0.011963999830186367,
cloud_out[i].y evaluates to 0.26596000790596008, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:242: Failure
The difference between (*cloud_walls)[indices2[i]].z and cloud_out[i].z is 0.06136699765920639, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].z evaluates to 0.077432997524738312,
cloud_out[i].z evaluates to 0.1387999951839447, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:240: Failure
The difference between (*cloud_walls)[indices2[i]].x and cloud_out[i].x is 0.13488996028900146, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].x evaluates to 1.0673999786376953,
cloud_out[i].x evaluates to 0.93251001834869385, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:241: Failure
The difference between (*cloud_walls)[indices2[i]].y and cloud_out[i].y is 0.38509999215602875, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].y evaluates to -0.26350998878479004,
cloud_out[i].y evaluates to 0.12159000337123871, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:242: Failure
The difference between (*cloud_walls)[indices2[i]].z and cloud_out[i].z is 0.090688005089759827, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].z evaluates to 0.16467000544071198,
cloud_out[i].z evaluates to 0.073982000350952148, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:240: Failure
The difference between (*cloud_walls)[indices2[i]].x and cloud_out[i].x is 0.1417999267578125, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].x evaluates to 1.1528999805450439,
cloud_out[i].x evaluates to 1.0111000537872314, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:241: Failure
The difference between (*cloud_walls)[indices2[i]].y and cloud_out[i].y is 0.25688101164996624, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].y evaluates to -0.27755001187324524,
cloud_out[i].y evaluates to -0.020669000223278999, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:242: Failure
The difference between (*cloud_walls)[indices2[i]].z and cloud_out[i].z is 0.025024004280567169, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].z evaluates to 0.11364000290632248,
cloud_out[i].z evaluates to 0.08861599862575531, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:240: Failure
The difference between (*cloud_walls)[indices2[i]].x and cloud_out[i].x is 0.47460001707077026, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].x evaluates to 1.1964000463485718,
cloud_out[i].x evaluates to 0.72180002927780151, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:241: Failure
The difference between (*cloud_walls)[indices2[i]].y and cloud_out[i].y is 0.37826000154018402, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].y evaluates to -0.23783999681472778,
cloud_out[i].y evaluates to 0.14042000472545624, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:242: Failure
The difference between (*cloud_walls)[indices2[i]].z and cloud_out[i].z is 0.16248800233006477, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].z evaluates to 0.055461999028921127,
cloud_out[i].z evaluates to 0.2179500013589859, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:240: Failure
The difference between (*cloud_walls)[indices2[i]].x and cloud_out[i].x is 0.094720005989074707, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].x evaluates to 0.87834000587463379,
cloud_out[i].x evaluates to 0.9730600118637085, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:241: Failure
The difference between (*cloud_walls)[indices2[i]].y and cloud_out[i].y is 0.11180000007152557, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].y evaluates to -0.21128000319004059,
cloud_out[i].y evaluates to -0.099480003118515015, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:242: Failure
The difference between (*cloud_walls)[indices2[i]].z and cloud_out[i].z is 0.1198900043964386, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].z evaluates to 0.27511000633239746,
cloud_out[i].z evaluates to 0.15522000193595886, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:240: Failure
The difference between (*cloud_walls)[indices2[i]].x and cloud_out[i].x is 0.036999940872192383, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].x evaluates to 1.086899995803833,
cloud_out[i].x evaluates to 1.0499000549316406, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:241: Failure
The difference between (*cloud_walls)[indices2[i]].y and cloud_out[i].y is 0.61370998620986938, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].y evaluates to 0.35444998741149902,
cloud_out[i].y evaluates to -0.25925999879837036, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:242: Failure
The difference between (*cloud_walls)[indices2[i]].z and cloud_out[i].z is 0.30862000584602356, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].z evaluates to -0.13671000301837921,
cloud_out[i].z evaluates to 0.17191000282764435, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:240: Failure
The difference between (*cloud_walls)[indices2[i]].x and cloud_out[i].x is 0.13580000400543213, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].x evaluates to 1.1421999931335449,
cloud_out[i].x evaluates to 1.2779999971389771, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:241: Failure
The difference between (*cloud_walls)[indices2[i]].y and cloud_out[i].y is 0.21322400495409966, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].y evaluates to 0.17111000418663025,
cloud_out[i].y evaluates to -0.042114000767469406, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:242: Failure
The difference between (*cloud_walls)[indices2[i]].z and cloud_out[i].z is 0.098091006278991699, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].z evaluates to -0.099188998341560364,
cloud_out[i].z evaluates to -0.19728000462055206, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:240: Failure
The difference between (*cloud_walls)[indices2[i]].x and cloud_out[i].x is 0.1128000020980835, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].x evaluates to 1.3722000122070312,
cloud_out[i].x evaluates to 1.2594000101089478, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:241: Failure
The difference between (*cloud_walls)[indices2[i]].y and cloud_out[i].y is 0.31408799439668655, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].y evaluates to -0.33634999394416809,
cloud_out[i].y evaluates to -0.022261999547481537, and
1e-4 evaluates to 0.0001.

/usr/ports/pobj/pcl-1.14.1/pcl-pcl-1.14.1/test/filters/test_sampling.cpp:242: Failure
The difference between (*cloud_walls)[indices2[i]].z and cloud_out[i].z is 0.2145290020853281, which exceeds 1e-4, where
(*cloud_walls)[indices2[i]].z evaluates to -0.023381000384688377,
cloud_out[i].z evaluates to -0.23791000247001648, and
1e-4 evaluates to 0.0001.

[  FAILED  ] RandomSample.Filters (6 ms)
[----------] 1 test from RandomSample (6 ms total)

[----------] Global test environment tear-down
[==========] 3 tests from 3 test suites ran. (475 ms total)
[  PASSED  ] 2 tests.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] RandomSample.Filters

 1 FAILED TEST
<end of output>
Test time =   1.02 sec
----------------------------------------------------------
Test Failed.
"filters_sampling" end time: Nov 23 15:05 CET
"filters_sampling" time elapsed: 00:00:01
----------------------------------------------------------

Any clues? I'm compiling pcl version 1.14.1