testlist <- list(idx = -1966569704L, x = structure(c(2.01768927817267e+47,  5.91095692082169e+64, 4.713762584588e-48, 1.7506159598139e-260,  4.13272931804741e+261, 7.50347923086546e-71, 1.28334006932209e+144,  2.90402077461892e-286, 3.56215199780015e-230, 1.43677827629537e-133,  7.46114516421967e-258, 5.0141334820982e+184, 1.58738722355198e-68,  29072.6257709098, 1.41003229091807e-86, 1.93643921836204e+180,  1.99326012973524e-62, 1.39815628510302e-16, 3.24863590772713e+70,  6.40667913683102e-255, 4.51598818063688e-206, 1.92056178044097e-182,  1.10965993656322e+192, 4.42315256788049e+80, 1.5466355094383e-118,  5.07881860810875e+283, 1.74132800058487e+63, 1.20446896806287e-16,  1.62053620455224e+203, 1.34759270653531e+170, 1.67897074343642e-132,  2.30932004979445e+295, 1.54458096127227e+60, 3.41101454752662e+171,  3.58419569978947e+261, 1.535318059725e+63), .Dim = c(9L, 4L)),      xmax = -1.86036624963322e+269, xmin = 1.63569764505322e+203,      y = structure(c(4.0590899214912e-90, 5.75714229119744e-126,      2.81753634916491e-125, 2.94390219356055e-273, 3.6964916927204e+59,      -Inf, 8.81498710243452e-78, 1.23372961517636e-286, 4.99855293122333e+39,      5.30629498743791e+96, 5.29533542976637e-219, 1.61221443983422e-09,      5.02389220360242e+170, Inf, 1.20419043164974e-302, 1.14813789523563e+292,      5.31901013244645e+30, 3.36182611277665e+44, 1.37001499319239e+227,      1.54295881095108e+211, 5.52604579104815e-63, 4.23359428032453e-285,      1.98386334857017e-123, 2.43608676251529e-237, 1.20524777212398e-216,      4.19932760233666e+122, 4.9612065576467e+38, 9.42684941985268e+205,      7.81344866205955e-69, 7.91189401855882e-214, 1.18575016502729e-151,      2.63870861241957e-98, Inf, NA, 7.34701609186608e+70), .Dim = c(5L,      7L)), ymax = -7.94838729553646e+111, ymin = -2.98404676523236e-201)
result <- do.call(spsann:::spJitterCpp,testlist)
str(result)