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Commit f512c815 authored by John Zhang's avatar John Zhang
Browse files

save random number internal state, so to have the save input to quicksort to aid debugging

parent 35bd39ed
......@@ -8,8 +8,9 @@ import ctypes
# helper functions
def rand_list_of(n):
# 32 extend to 64-bit integers (to avoid overflow in summation
from random import randrange
return [rffi.r_longlong(randrange(-(1 << 31), (1 << 31) - 1)) for _ in range(n)]
from random import randrange, getstate
init_state = getstate()
return [rffi.r_longlong(randrange(-(1 << 31), (1 << 31) - 1)) for _ in range(n)], init_state
# --------------------------
......@@ -81,7 +82,7 @@ def test_arraysum():
n = 100
lst = rand_list_of(n)
lst, _ = rand_list_of(n)
with lltype.scoped_alloc(rffi.CArray(rffi.LONGLONG), n) as arr:
for i, k in enumerate(lst):
arr[i] = k
......@@ -118,7 +119,11 @@ def test_quicksort():
# fnc = quicksort
n = 100
lst = rand_list_of(n)
from random import setstate
init_state = (3, (2147483648L, 3430835514L, 2928424416L, 3147699060L, 2823572732L, 2905216632L, 1887281517L, 14272356L, 1356039141L, 2741361235L, 1824725388L, 2228169284L, 2679861265L, 3150239284L, 657657570L, 1407124159L, 517316568L, 653526369L, 139268705L, 3784719953L, 2212355490L, 3452491289L, 1232629882L, 1791207424L, 2898278956L, 1147783320L, 1824413680L, 1993303973L, 2568444883L, 4228847642L, 4163974668L, 385627078L, 3663560714L, 320542554L, 1565882322L, 3416481154L, 4219229298L, 315071254L, 778331393L, 3961037651L, 2951403614L, 3355970261L, 102946340L, 2509883952L, 215897963L, 3361072826L, 689991350L, 3348092598L, 1763608447L, 2140226443L, 3813151178L, 2619956936L, 51244592L, 2130725065L, 3867113849L, 1980820881L, 2600246771L, 3207535572L, 257556968L, 2223367443L, 3706150033L, 1711074250L, 4252385224L, 3197142331L, 4139558716L, 748471849L, 2281163369L, 2596250092L, 2804492653L, 484240110L, 3726117536L, 2483815933L, 2173995598L, 3765136999L, 3178931194L, 1237068319L, 3427263384L, 3958412830L, 2268556676L, 360704423L, 4113430429L, 3758882140L, 3743971788L, 1685454939L, 488386L, 3511218911L, 3020688912L, 2168345327L, 3149651862L, 1472484695L, 2011779229L, 1112533726L, 1873931730L, 2196153055L, 3806225492L, 1515074892L, 251489714L, 1958141723L, 2081062631L, 3703490262L, 3211541213L, 1436109217L, 2664448365L, 2350764370L, 1285829042L, 3496997759L, 2306637687L, 1571644344L, 1020052455L, 3114491401L, 2994766034L, 1518527036L, 994512437L, 1732585804L, 2089330296L, 2592371643L, 2377347339L, 2617648350L, 1478066246L, 389918052L, 1126787130L, 2728695369L, 2921719205L, 3193658789L, 2101782606L, 4284039483L, 2704867468L, 3843423543L, 119359906L, 1882384901L, 832276556L, 1862974878L, 1943541262L, 1823624942L, 2146680272L, 333006125L, 929197835L, 639017219L, 1640196300L, 1424826762L, 2119569013L, 4259272802L, 2089277168L, 2030198981L, 2950559216L, 621654826L, 3452546704L, 4085446289L, 3038316311L, 527272378L, 1679817853L, 450787204L, 3525043861L, 3838351358L, 1558592021L, 3649888848L, 3328370698L, 3247166155L, 3855970537L, 1183088418L, 2778702834L, 2820277014L, 1530905121L, 1434023607L, 3942716950L, 41643359L, 310637634L, 1537174663L, 4265200088L, 3126624846L, 2837665903L, 446994733L, 85970060L, 643115053L, 1751804182L, 1480207958L, 2977093071L, 544778713L, 738954842L, 3370733859L, 3242319053L, 2707786138L, 4041098196L, 1671493839L, 3420415077L, 2473516599L, 3949211965L, 3686186772L, 753757988L, 220738063L, 772481263L, 974568026L, 3190407677L, 480257177L, 3620733162L, 2616878358L, 665763320L, 2808607644L, 3851308236L, 3633157256L, 4240746864L, 1261222691L, 268963935L, 1449514350L, 4229662564L, 1342533852L, 1913674460L, 1761163533L, 1974260074L, 739184472L, 3811507072L, 2880992381L, 3998389163L, 2673626426L, 2212222504L, 231447607L, 2608719702L, 3509764733L, 2403318909L, 635983093L, 4233939991L, 2894463467L, 177171270L, 2962364044L, 1191007101L, 882222586L, 1004217833L, 717897978L, 2125381922L, 626199402L, 3694698943L, 1373935523L, 762314613L, 2291077454L, 2111081024L, 3758576304L, 2812129656L, 4067461097L, 3700761868L, 2281420733L, 197217625L, 460620692L, 506837624L, 1532931238L, 3872395078L, 3629107738L, 2273221134L, 2086345980L, 1240615886L, 958420495L, 4059583254L, 3119201875L, 3742950862L, 891360845L, 2974235885L, 87814219L, 4067521161L, 615939803L, 1881195074L, 2225917026L, 2775128741L, 2996201447L, 1590546624L, 3960431955L, 1417477945L, 913935155L, 1610033170L, 3212701447L, 2545374014L, 2887105562L, 2991635417L, 3194532260L, 1565555757L, 2142474733L, 621483430L, 2268177481L, 919992760L, 2022043644L, 2756890220L, 881105937L, 2621060794L, 4262292201L, 480112895L, 2557060162L, 2367031748L, 2172434102L, 296539623L, 3043643256L, 59166373L, 2947638193L, 1312917612L, 1798724013L, 75864164L, 339661149L, 289536004L, 422147716L, 1134944052L, 1095534216L, 1231984277L, 239787072L, 923053211L, 1015393503L, 2558889580L, 4194512643L, 448088150L, 707905706L, 2649061310L, 3081089715L, 3432955562L, 2217740069L, 1965789353L, 3320360228L, 3625802364L, 2420747908L, 3116949010L, 442654625L, 2157578112L, 3603825090L, 3111995525L, 1124579902L, 101836896L, 3297125816L, 136981134L, 4253748197L, 3809600572L, 1668193778L, 4146759785L, 3712590372L, 2998653463L, 3032597504L, 1046471011L, 2843821193L, 802959497L, 3307715534L, 3226042258L, 1014478160L, 3105844949L, 3209150965L, 610876993L, 2563947590L, 2482526324L, 3913970138L, 2812702315L, 4281779167L, 1026357391L, 2579486306L, 402208L, 3457975059L, 1714004950L, 2543595755L, 2421499458L, 478932497L, 3117588180L, 1565800974L, 1757724858L, 1483685124L, 2262270397L, 3794544469L, 3986696110L, 2914756339L, 1952061826L, 2672480198L, 3793151752L, 309930721L, 1861137379L, 94571340L, 1162935802L, 3681554226L, 4027302061L, 21079572L, 446709644L, 1587253187L, 1845056582L, 3080553052L, 3575272255L, 2526224735L, 3569822959L, 2685900491L, 918305237L, 1399881227L, 1554912161L, 703181091L, 738501299L, 269937670L, 1078548118L, 2313670525L, 3495159622L, 2659487842L, 11394628L, 1222454456L, 3392065094L, 3426833642L, 1153231613L, 1234517654L, 3144547626L, 2148039080L, 3790136587L, 684648337L, 3956093475L, 1384378197L, 2042781475L, 759764431L, 222267088L, 3187778457L, 3795259108L, 2817237549L, 3494781277L, 3762880618L, 892345749L, 2153484401L, 721588894L, 779278769L, 3306398772L, 4221452913L, 1981375723L, 379087895L, 1604791625L, 1426046977L, 4231163093L, 1344994557L, 1341041093L, 1072537134L, 1829925137L, 3791772627L, 3176876700L, 2553745117L, 664821113L, 473469583L, 1076256869L, 2406012795L, 3141453822L, 4123012649L, 3058620143L, 1785080140L, 1181483189L, 3587874749L, 1453504375L, 707249496L, 2022787257L, 2436320047L, 602521701L, 483826957L, 821599664L, 3333871672L, 3024431570L, 3814441382L, 416508285L, 1217138244L, 3975201118L, 3077724941L, 180118569L, 3754556886L, 4121534265L, 3495283397L, 700504668L, 3113972067L, 719371171L, 910731026L, 619936911L, 2937105529L, 2039892965L, 3853404454L, 3783801801L, 783321997L, 1135195902L, 326690505L, 1774036419L, 3476057413L, 1518029608L, 1248626026L, 427510490L, 3443223611L, 4087014505L, 2858955517L, 1918675812L, 3921514056L, 3929126528L, 4048889933L, 1583842117L, 3742539544L, 602292017L, 3393759050L, 3929818519L, 3119818281L, 3472644693L, 1993924627L, 4163228821L, 2943877721L, 3143487730L, 4087113198L, 1149082355L, 1713272081L, 1243627655L, 3511633996L, 3358757220L, 3812981394L, 650044449L, 2143650644L, 3869591312L, 3719322297L, 386030648L, 2633538573L, 672966554L, 3498396042L, 3907556L, 2308686209L, 2878779858L, 1475925955L, 2701537395L, 1448018484L, 2962578755L, 1383479284L, 3731453464L, 3659512663L, 1521189121L, 843749206L, 2243090279L, 572717972L, 3400421356L, 3440777300L, 1393518699L, 1681924551L, 466257295L, 568413244L, 3288530316L, 2951425105L, 2624424893L, 2410788864L, 2243174464L, 1385949609L, 2454100663L, 1113953725L, 2127471443L, 1775715557L, 3874125135L, 1901707926L, 3152599339L, 2277843623L, 1941785089L, 3171888228L, 802596998L, 3397391306L, 1743834429L, 395463904L, 2099329462L, 3761809163L, 262702111L, 1868879810L, 2887406426L, 1160032302L, 4164116477L, 2287740849L, 3312176050L, 747117003L, 4048006270L, 3955419375L, 2724452926L, 3141695820L, 791246424L, 524525849L, 1794277132L, 295485241L, 4125127474L, 825108028L, 1582794137L, 1259992755L, 2938829230L, 912029932L, 1534496985L, 3075283272L, 4052041116L, 1125808104L, 2032938837L, 4008676545L, 1638361535L, 1649316497L, 1302633381L, 4221627277L, 1206130263L, 3114681993L, 3409690900L, 3373263243L, 2922903613L, 349048087L, 4049532385L, 3458779287L, 1737687814L, 287275672L, 645786941L, 1492233180L, 3925845678L, 3344829077L, 1669219217L, 665224162L, 2679234088L, 1986576411L, 50610077L, 1080114376L, 1881648396L, 3818465156L, 1486861008L, 3824208930L, 1782008170L, 4115911912L, 656413265L, 771498619L, 2709443211L, 1919820065L, 451888753L, 1449812173L, 2001941180L, 2997921765L, 753032713L, 3011517640L, 2386888602L, 3181040472L, 1280522185L, 1036471598L, 1243809973L, 2985144032L, 2238294821L, 557934351L, 347132246L, 1797956016L, 624L), None)
lst, init_state = rand_list_of(n)
with lltype.scoped_alloc(rffi.CArray(rffi.LONGLONG), n) as arr:
for i, k in enumerate(lst):
arr[i] = k
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