testlist <- list(freq = 4.17494580672794e-238, seed = -1659642326L, x = c(-2.82616867625411e+293,  -8.78523480524581e-213, -1.1366682230902e-156, 4.37320006912908e-183,  6.22858012774104e+26, 1.16222535142159e+145, -3.66849803859707e-126,  4.93682535628201e+60, 1.97685308261699e+77, -2.62379253820409e-133,  -8.3307555558665e+273, -1.13984805358602e+141, -2.79063829290538e-73,  -1.65506835205806e+172, 1.95359614653819e+262, 2.48551221102296e+197,  9.47381640700851e+253, 2.70879618154281e+139, 1.40346328013182e-47,  82607533999492218880, 1.16025430695909e+178, 1.50183515058191e+184,  -Inf, 17.7962940770524, -5.51752516679997e-154, -1.92545510713532e+289,  9.0063636339585e-156, 7.0343577826774e-179, 3.22122233127792e-26,  0.000287215974662572, -1.03244306236001e+214, 5.15769048496764e+108,  -3.73992206229567e-50, -1.55708658943326e-24, -9.3777551721284e-33,  -1.91846025158951e-83, 2.66377985018729e-116, 25781256031531304,  1.65630246189431e+203, -1.56636554399951e+130, 5.27475194408564e-97,  -7.91791827195722e-236, 5.92156614493258e+262, -4.04740747850284e-154,  2.7215047904966e-208, 6.36877883925697e-128, -1.94222834742556e+202,  NaN, -3.09448071301107e-180, -7.25613073094992e-308, 3.37069641262202e-130,  -3.84975265026073e+63, -2.68999116787291e+249, -2.20152424759551e+240,  9.87638464808954e+56, 1.87235298535709e+99, -1.17318986796625e-154,  -5.16962051374681e-199, 1.21302777538763e+85, -5.09298001454904e-170,  -3.11344975386561e+116, 3.83504025141607e+256, 5.083386033609e-12,  1.40346328013182e-47, -4.5320938589375e+115, 7.55239474939239e+90,  3.28011839875917e-151, Inf, 5.66464651606667e-292, -8.75962842749886e-123,  0), y = c(4.6566050741986e-17, 3.0744056538168e-133, 1.93106594930533e-275,  7.8518441699027e+26, -2.90399362020069e-153, -7.94855269654585e+88,  4.43935321867692e-101, -524719300605437, -9.03443096916343e+203,  -3.64521223326845e+158, 4.99716002545865e+276, 2.17773009171158e+110,  NA, -2.87015279311073e+47, 8.36448763704759e-82, -1.82562616123751e-217,  3.48604089823995e+56, 7.96182669611251e-242, 6.45044363909778e+128,  -1.09213748699972e+49, -4.80997081257479e-206, 5.7953218761015e-39,  -2.47009447276166e-284, -3.99421266712448e-38, 4.15374974942871e-176,  -Inf, -9.23011815260227e-84, 3.29178135178052e+41, -1.41357502362235e+159,  -6.436056681565e+47, -1.02726930319466e-177, 1.69421987009896e-204,  -3.11260260821692e-282, -15393.1876588356, -3.87980347192892e+82,  -1.01321381384896e+69, 2.64582906214053e-194, -5.40832888243103e+75,  5.10477051383428e-232, -1.14010369114606e-307, -8.7355943639757e+105,  NA, -30390662969988.3, 8.4681321307457e-111, -8.26815364388919e-76,  -5.76666392061921e+36, -3.24922294275713e-123, 2.36145299062009e-295,  -2.32469773956939e-96, 5.13509267135034e+198, -2.98900497935515e+265,  -4.0549663535201e-66, -1.65987005163795e-94, -9.00997753575305e-57,  1.22264499290644e+230, -5.5587543306234e-74, 4.09078314835068e+74,  -1.20687190735932e-53, -1.22411518859362e-113, 1.23787781121919e+230,  3.53297955101437e-152, 2.06191759666917e-156, -7.86246887221188e-168,  -3.4368070512298e-242, -6.3832925177525e-45, -7.90843937953961e+63,  2.15282359380849e-303, -1.09253207629146e-224, 3.82548815561668e+55,  -3.79176864729855e-201, Inf, -2.61955914468752e-17, -9.01156820163668e-10,  -8.35635278552013e+264, 9.6893851263755e-268, -1.37294946166038e+95,  7.91520369132767e-75, -2.85878888909107e-77, 8.8012602486221e+176,  7.95267474084748e-23, -1.25845862918079e-132, 9.79640727507042e-244,  -1.18846087748647e-129, -16612624872835066, 5.1273177422603e+75,  -3.27954111634068e+175, 2.98901910703878e+205, -7.40109187555566e-60,  1.61585457488278e-56, 4.26138654559553e+167, NA, 4.10307649363887e-55,  3.42347683516792e+224, -2.58106883173234e+267, 1.39257254852004e+165,  0), z = c(3.14108646568106e-247, NA, 2.74936832200282e-142, -3.88456467965384e+209,  1.87625578817515e+143, 1667155.73299244, 1.43572236544844e-121,  1.32594662625552e-71, -3.61243653440558e-218, 7.21742454620463e+74,  -8.92852787086281e+198, 4.85830413616344e+43, 3.59638464000294e-28,  -Inf, 1.16952891996064e+149, NA, -1.26335357487665e-233, -3.56646796571617e-262,  1.76367707790358e+308, NA, -1.3119043948913e-17, -5.36635564354171e+90,  1.49629417139409e-119, 2.0564379372431e-19, 7750438121814625,  -4.74462091870671e-302, -1.97507439408013e-292, 17211825168452.2,  -1.00724193075887e-138, -1.83635340755511e-198, 1.25451115338738e-135,  -1.67166536905926e-280, 1.54599165706954e-19, 1.75206664812414e-153,  -2.61378076335225e+190, 7.0703459344704e+176, -7.49563919730003e-204,  -3.58008266516139e-304, -6.55356695049929e-205, NA, -8.6070896786128e-106,  1.59554294024142e-61, -1.17410216426566e+60, 3.11910619295469e-284,  2.09925061361315e+225, 5.53111092241726e+274, 0))
result <- do.call(ambient:::gen_simplex3d_c,testlist)
str(result)