testlist <- list(Command = -2068372735L, ff = c(-1.79215742405811e+25, -2.70760615812019e-197,  -7.60231779859394e-303, 1.10711309247823e+308, 7.25422421670465e+177,  -1.01905095951656e-21, 1.10614448360414e-26, -1.54714863951967e+203,  2.6760732876776e-138, 3.96276345940697, 3.12285630592711e-67,  -1.00638937823902e+120, 1.27581614214752e-34, -1.31046970548792e-194,  -3.59519971198159e+109, -1.79975276608054e+273, 3.86585149774349e+151,  1.40321697438621e+207, 2.12739355478538e+275, -7.44187388435199e+233,  3.13267599224641e+272, Inf, 4.06178196038073e-281, 3.9497109017023e+211,  2.19825197426117e+217, 1.08223495803737e+113, -1.80272904087947e+240,  -1.06066692922811e-136, -6.08595119338853e-86, NaN, 2.22250415374923e+99,  -4.42115323877218e+181, 7.70358431105898e+31, -1.06926886517824e+20,  9.25604189303401e+198, -9.4354770554761e-37, -7.98950312525167e-129,  1.59722853644038e+284, -1.79925419888071e-87, -4.83746838941289e+117,  -2.00200932723701e-116, -2.19233865815139e+196, 3.1383096762186e-48,  1.75587162017321e+48, NA, -4.12871493316262e-118, 3.95591663224464e-286,  -2.5812260287308e+249, 4.02503064732249e-64, 6.45678445016225e-149,  -34395536464438.4, -2.5879060538275e+147, -9.9624544318127e+231,  -6.34286648539147e+28, -1.00479720388191e-159, 1.2246380451791e-82,  -1.34436365469351e+166, 1.40618990802191e+93, 2.19825197426117e+217,  -1.62223340397285e+254, 7.10587225764596e-182, -2.26757479855915e-137,  -3.72068227261016e+283, 2.27550346336842e-197, 6.22665078513991e-106,  1.96467049744282e-48, 4.00423172562838e+26, 6.90641878875323e-73,  5.16388241935595e-108, 2.28571224456607e-247, 4.95306520736928e-280,  -7.83077220212594e+261, -2.79123770848599e-83, 9.21767770432776e-274,  -6.38322004140252e-59, -1.9448919731889e+139, 0), Index = c(-2.16392654059717e+30,  4.18817826253928e-84, NA, -5.91379375247e+40, -2.25988270721394e+136,  -5.42727527958763e-07, 5.36875302808842e+138, NA, -1.2775366037254e+142,  1.73696089806961e+189, -3.14837290800626e-236, 2.18431697377656e+68,  -3.6074091158608e+165, -1.21305281460856e+82, -1.67477910431936e+285,  -1.06299005148424e-156, 1.55476227173194e-192, 2.6306155392358e-56,  9.33862907014403e+163, 5.46878814093732e-241, 2.1864389434397e+296,  5.8351612728769e+29, -1.17391812700008e+232, -7.49809236593512e-282,  1.63993623991182e-166, 1.12191270509323e+152, 1.42867315977815e+62,  3.11011347882676e-109, 4.85831689892831e-195, -5.76763155400398e+51,  -5.29444826556065e+293, 5.40693240415244e+84, -Inf, 4.87924919029699e-282,  1.30477209797538e+277, 1.55457439580571e-117, -1.12844672565389e+107,  4.59487083680121e+46, 5.29196992600627e-205, -1.61775024289661e+45,  1.34627836301794e+228, 6.76899810294939e+22, 0.309978184582888,  7.51000998914846e-291, -1.11169061247372e+227, -4.89383795705894e-54,  1.26411723279649e-51, -4.26352647404329e+197, NaN, 1.41099339104978e+109,  6.7146437902419e+263, 2.23679107623362e+200, 1.96980248041579e+192,  1.74649305357451e-201, -3.25058837468681e-144, -5.29155377996391e-14,  0), Inv_Cov_Y = structure(c(8.94891903384077e+104, 1.79253541429971e-184,  6.6525378486556e+121, 6.88132351189273e-201, 4.80322051936901e-184,  3.76368567927749e-149, 1.67555278296252e-159, 2.80727019641597e+132,  1.82301352333868e+146, 9.84965326893944e-73, 9.6034847309238e+99,  8.65888337106211e+49, 6.17649019551305e-184, 7.14197792089831e-12,  1.86885572623453e-06, 2.79070207729489e+87, 6.32241966851219e+261,  6.17264914999568e-50, 1.02007919100248e-103, 2.25343417548373e+76 ), .Dim = 5:4), m_feature = 1836799608L, X = structure(c(2.99770272358116e+21,  2.85784984167456e+157, 4.32984647781861e+293, 4.19908529766822e-227,  5.08370543905188e+200, 2.82003738054906e-289, 11868619515.3316,  1.16483216605398e-206, 1.31642978062648e-279, 1.60453788307145e+201,  3.53020544585261e+90, 1.59678878537203e-60, 5.45708420514099e-195,  1.10399029053465e-190, 7.47569810796723e-150, 6.81645655799703e+286,  2.88114539199558e+119, 1.06265057253309e+174, 4.88426334841283e-135,  2.85077171969692e-110, 1.8085595971946e-97, 1.86445843725235e+157,  2.36826394762836e-111, 6.59291125593435e-91, 4.77987102090979e-23,  6.26622463238449e-201, 1.62926593091925e-276, 1.23340959015088e+101,  8.82007284144923e-150, 2.16440394095223e-135, 5.97486483961803e+22,  3.26238206783123e-273, 7.75745356564211e-118, 4.02003491493647e+248,  4.96245951411179e-254, 2.17098180482005e-74, 8.88643758504239e+279,  2.04235286594844e-228, 2.18392442738533e-15, 9.32495363310929e-78,  1.3734693458889e+254, 1.43940168213114e+102), .Dim = 7:6), Y = structure(c(8.16907596380454e+58,  9.59822593562676e+71, 3.65027837683358e-187, 1.82544949022635e-138,  1.82701296949743e+129, 2.53666631235807e+209, 1.23383748804238e+61,  1.93582053160009e-115, 5.37467518169815e-302, 1.27414586071226e-23,  2.51763521042336e+253, 2.6057608604429e+302, 7.56652742257392e-306,  1.01666805601119e-65, 1.788892365442), .Dim = c(5L, 3L)))
result <- do.call(IntegratedMRF::splitt,testlist)
str(result)