| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <math.h> |
| #include "lib/commons.h" |
| #include "util/Random.h" |
| |
| namespace NativeTask { |
| |
| static long RandomInitializeID = 8682522807148012ULL; |
| |
| // A random list of 1000 words from /usr/share/dict/words |
| static const |
| char * Words[] = {"diurnalness", "Homoiousian", "spiranthic", "tetragynian", "silverhead", |
| "ungreat", "lithograph", "exploiter", "physiologian", "by", "hellbender", "Filipendula", |
| "undeterring", "antiscolic", "pentagamist", "hypoid", "cacuminal", "sertularian", |
| "schoolmasterism", "nonuple", "gallybeggar", "phytonic", "swearingly", "nebular", "Confervales", |
| "thermochemically", "characinoid", "cocksuredom", "fallacious", "feasibleness", "debromination", |
| "playfellowship", "tramplike", "testa", "participatingly", "unaccessible", "bromate", |
| "experientialist", "roughcast", "docimastical", "choralcelo", "blightbird", "peptonate", |
| "sombreroed", "unschematized", "antiabolitionist", "besagne", "mastication", "bromic", |
| "sviatonosite", "cattimandoo", "metaphrastical", "endotheliomyoma", "hysterolysis", |
| "unfulminated", "Hester", "oblongly", "blurredness", "authorling", "chasmy", "Scorpaenidae", |
| "toxihaemia", "Dictograph", "Quakerishly", "deaf", "timbermonger", "strammel", "Thraupidae", |
| "seditious", "plerome", "Arneb", "eristically", "serpentinic", "glaumrie", "socioromantic", |
| "apocalypst", "tartrous", "Bassaris", "angiolymphoma", "horsefly", "kenno", "astronomize", |
| "euphemious", "arsenide", "untongued", "parabolicness", "uvanite", "helpless", "gemmeous", |
| "stormy", "templar", "erythrodextrin", "comism", "interfraternal", "preparative", "parastas", |
| "frontoorbital", "Ophiosaurus", "diopside", "serosanguineous", "ununiformly", "karyological", |
| "collegian", "allotropic", "depravity", "amylogenesis", "reformatory", "epidymides", |
| "pleurotropous", "trillium", "dastardliness", "coadvice", "embryotic", "benthonic", |
| "pomiferous", "figureheadship", "Megaluridae", "Harpa", "frenal", "commotion", "abthainry", |
| "cobeliever", "manilla", "spiciferous", "nativeness", "obispo", "monilioid", "biopsic", |
| "valvula", "enterostomy", "planosubulate", "pterostigma", "lifter", "triradiated", "venialness", |
| "tum", "archistome", "tautness", "unswanlike", "antivenin", "Lentibulariaceae", "Triphora", |
| "angiopathy", "anta", "Dawsonia", "becomma", "Yannigan", "winterproof", "antalgol", "harr", |
| "underogating", "ineunt", "cornberry", "flippantness", "scyphostoma", "approbation", "Ghent", |
| "Macraucheniidae", "scabbiness", "unanatomized", "photoelasticity", "eurythermal", "enation", |
| "prepavement", "flushgate", "subsequentially", "Edo", "antihero", "Isokontae", "unforkedness", |
| "porriginous", "daytime", "nonexecutive", "trisilicic", "morphiomania", "paranephros", |
| "botchedly", "impugnation", "Dodecatheon", "obolus", "unburnt", "provedore", "Aktistetae", |
| "superindifference", "Alethea", "Joachimite", "cyanophilous", "chorograph", "brooky", "figured", |
| "periclitation", "quintette", "hondo", "ornithodelphous", "unefficient", "pondside", "bogydom", |
| "laurinoxylon", "Shiah", "unharmed", "cartful", "noncrystallized", "abusiveness", "cromlech", |
| "japanned", "rizzomed", "underskin", "adscendent", "allectory", "gelatinousness", "volcano", |
| "uncompromisingly", "cubit", "idiotize", "unfurbelowed", "undinted", "magnetooptics", "Savitar", |
| "diwata", "ramosopalmate", "Pishquow", "tomorn", "apopenptic", "Haversian", "Hysterocarpus", |
| "ten", "outhue", "Bertat", "mechanist", "asparaginic", "velaric", "tonsure", "bubble", |
| "Pyrales", "regardful", "glyphography", "calabazilla", "shellworker", "stradametrical", "havoc", |
| "theologicopolitical", "sawdust", "diatomaceous", "jajman", "temporomastoid", "Serrifera", |
| "Ochnaceae", "aspersor", "trailmaking", "Bishareen", "digitule", "octogynous", "epididymitis", |
| "smokefarthings", "bacillite", "overcrown", "mangonism", "sirrah", "undecorated", "psychofugal", |
| "bismuthiferous", "rechar", "Lemuridae", "frameable", "thiodiazole", "Scanic", |
| "sportswomanship", "interruptedness", "admissory", "osteopaedion", "tingly", "tomorrowness", |
| "ethnocracy", "trabecular", "vitally", "fossilism", "adz", "metopon", "prefatorial", |
| "expiscate", "diathermacy", "chronist", "nigh", "generalizable", "hysterogen", |
| "aurothiosulphuric", "whitlowwort", "downthrust", "Protestantize", "monander", "Itea", |
| "chronographic", "silicize", "Dunlop", "eer", "componental", "spot", "pamphlet", "antineuritic", |
| "paradisean", "interruptor", "debellator", "overcultured", "Florissant", "hyocholic", |
| "pneumatotherapy", "tailoress", "rave", "unpeople", "Sebastian", "thermanesthesia", "Coniferae", |
| "swacking", "posterishness", "ethmopalatal", "whittle", "analgize", "scabbardless", "naught", |
| "symbiogenetically", "trip", "parodist", "columniform", "trunnel", "yawler", "goodwill", |
| "pseudohalogen", "swangy", "cervisial", "mediateness", "genii", "imprescribable", "pony", |
| "consumptional", "carposporangial", "poleax", "bestill", "subfebrile", "sapphiric", "arrowworm", |
| "qualminess", "ultraobscure", "thorite", "Fouquieria", "Bermudian", "prescriber", "elemicin", |
| "warlike", "semiangle", "rotular", "misthread", "returnability", "seraphism", "precostal", |
| "quarried", "Babylonism", "sangaree", "seelful", "placatory", "pachydermous", "bozal", |
| "galbulus", "spermaphyte", "cumbrousness", "pope", "signifier", "Endomycetaceae", "shallowish", |
| "sequacity", "periarthritis", "bathysphere", "pentosuria", "Dadaism", "spookdom", |
| "Consolamentum", "afterpressure", "mutter", "louse", "ovoviviparous", "corbel", "metastoma", |
| "biventer", "Hydrangea", "hogmace", "seizing", "nonsuppressed", "oratorize", "uncarefully", |
| "benzothiofuran", "penult", "balanocele", "macropterous", "dishpan", "marten", "absvolt", |
| "jirble", "parmelioid", "airfreighter", "acocotl", "archesporial", "hypoplastral", "preoral", |
| "quailberry", "cinque", "terrestrially", "stroking", "limpet", "moodishness", "canicule", |
| "archididascalian", "pompiloid", "overstaid", "introducer", "Italical", "Christianopaganism", |
| "prescriptible", "subofficer", "danseuse", "cloy", "saguran", "frictionlessly", |
| "deindividualization", "Bulanda", "ventricous", "subfoliar", "basto", "scapuloradial", |
| "suspend", "stiffish", "Sphenodontidae", "eternal", "verbid", "mammonish", "upcushion", |
| "barkometer", "concretion", "preagitate", "incomprehensible", "tristich", "visceral", |
| "hemimelus", "patroller", "stentorophonic", "pinulus", "kerykeion", "brutism", "monstership", |
| "merciful", "overinstruct", "defensibly", "bettermost", "splenauxe", "Mormyrus", |
| "unreprimanded", "taver", "ell", "proacquittal", "infestation", "overwoven", "Lincolnlike", |
| "chacona", "Tamil", "classificational", "lebensraum", "reeveland", "intuition", "Whilkut", |
| "focaloid", "Eleusinian", "micromembrane", "byroad", "nonrepetition", "bacterioblast", "brag", |
| "ribaldrous", "phytoma", "counteralliance", "pelvimetry", "pelf", "relaster", "thermoresistant", |
| "aneurism", "molossic", "euphonym", "upswell", "ladhood", "phallaceous", "inertly", "gunshop", |
| "stereotypography", "laryngic", "refasten", "twinling", "oflete", "hepatorrhaphy", |
| "electrotechnics", "cockal", "guitarist", "topsail", "Cimmerianism", "larklike", "Llandovery", |
| "pyrocatechol", "immatchable", "chooser", "metrocratic", "craglike", "quadrennial", |
| "nonpoisonous", "undercolored", "knob", "ultratense", "balladmonger", "slait", "sialadenitis", |
| "bucketer", "magnificently", "unstipulated", "unscourged", "unsupercilious", "packsack", |
| "pansophism", "soorkee", "percent", "subirrigate", "champer", "metapolitics", "spherulitic", |
| "involatile", "metaphonical", "stachyuraceous", "speckedness", "bespin", "proboscidiform", |
| "gul", "squit", "yeelaman", "peristeropode", "opacousness", "shibuichi", "retinize", "yote", |
| "misexposition", "devilwise", "pumpkinification", "vinny", "bonze", "glossing", "decardinalize", |
| "transcortical", "serphoid", "deepmost", "guanajuatite", "wemless", "arval", "lammy", "Effie", |
| "Saponaria", "tetrahedral", "prolificy", "excerpt", "dunkadoo", "Spencerism", "insatiately", |
| "Gilaki", "oratorship", "arduousness", "unbashfulness", "Pithecolobium", "unisexuality", |
| "veterinarian", "detractive", "liquidity", "acidophile", "proauction", "sural", "totaquina", |
| "Vichyite", "uninhabitedness", "allegedly", "Gothish", "manny", "Inger", "flutist", "ticktick", |
| "Ludgatian", "homotransplant", "orthopedical", "diminutively", "monogoneutic", "Kenipsim", |
| "sarcologist", "drome", "stronghearted", "Fameuse", "Swaziland", "alen", "chilblain", |
| "beatable", "agglomeratic", "constitutor", "tendomucoid", "porencephalous", "arteriasis", |
| "boser", "tantivy", "rede", "lineamental", "uncontradictableness", "homeotypical", "masa", |
| "folious", "dosseret", "neurodegenerative", "subtransverse", "Chiasmodontidae", |
| "palaeotheriodont", "unstressedly", "chalcites", "piquantness", "lampyrine", "Aplacentalia", |
| "projecting", "elastivity", "isopelletierin", "bladderwort", "strander", "almud", |
| "iniquitously", "theologal", "bugre", "chargeably", "imperceptivity", "meriquinoidal", |
| "mesophyte", "divinator", "perfunctory", "counterappellant", "synovial", "charioteer", |
| "crystallographical", "comprovincial", "infrastapedial", "pleasurehood", "inventurous", |
| "ultrasystematic", "subangulated", "supraoesophageal", "Vaishnavism", "transude", |
| "chrysochrous", "ungrave", "reconciliable", "uninterpleaded", "erlking", "wherefrom", |
| "aprosopia", "antiadiaphorist", "metoxazine", "incalculable", "umbellic", "predebit", |
| "foursquare", "unimmortal", "nonmanufacture", "slangy", "predisputant", "familist", |
| "preaffiliate", "friarhood", "corelysis", "zoonitic", "halloo", "paunchy", "neuromimesis", |
| "aconitine", "hackneyed", "unfeeble", "cubby", "autoschediastical", "naprapath", "lyrebird", |
| "inexistency", "leucophoenicite", "ferrogoslarite", "reperuse", "uncombable", "tambo", |
| "propodiale", "diplomatize", "Russifier", "clanned", "corona", "michigan", "nonutilitarian", |
| "transcorporeal", "bought", "Cercosporella", "stapedius", "glandularly", "pictorially", "weism", |
| "disilane", "rainproof", "Caphtor", "scrubbed", "oinomancy", "pseudoxanthine", "nonlustrous", |
| "redesertion", "Oryzorictinae", "gala", "Mycogone", "reappreciate", "cyanoguanidine", |
| "seeingness", "breadwinner", "noreast", "furacious", "epauliere", "omniscribent", |
| "Passiflorales", "uninductive", "inductivity", "Orbitolina", "Semecarpus", "migrainoid", |
| "steprelationship", "phlogisticate", "mesymnion", "sloped", "edificator", "beneficent", "culm", |
| "paleornithology", "unurban", "throbless", "amplexifoliate", "sesquiquintile", "sapience", |
| "astucious", "dithery", "boor", "ambitus", "scotching", "uloid", "uncompromisingness", "hoove", |
| "waird", "marshiness", "Jerusalem", "mericarp", "unevoked", "benzoperoxide", "outguess", |
| "pyxie", "hymnic", "euphemize", "mendacity", "erythremia", "rosaniline", "unchatteled", |
| "lienteria", "Bushongo", "dialoguer", "unrepealably", "rivethead", "antideflation", |
| "vinegarish", "manganosiderite", "doubtingness", "ovopyriform", "Cephalodiscus", "Muscicapa", |
| "Animalivora", "angina", "planispheric", "ipomoein", "cuproiodargyrite", "sandbox", "scrat", |
| "Munnopsidae", "shola", "pentafid", "overstudiousness", "times", "nonprofession", "appetible", |
| "valvulotomy", "goladar", "uniarticular", "oxyterpene", "unlapsing", "omega", "trophonema", |
| "seminonflammable", "circumzenithal", "starer", "depthwise", "liberatress", "unleavened", |
| "unrevolting", "groundneedle", "topline", "wandoo", "umangite", "ordinant", "unachievable", |
| "oversand", "snare", "avengeful", "unexplicit", "mustafina", "sonable", "rehabilitative", |
| "eulogization", "papery", "technopsychology", "impressor", "cresylite", "entame", |
| "transudatory", "scotale", "pachydermatoid", "imaginary", "yeat", "slipped", "stewardship", |
| "adatom", "cockstone", "skyshine", "heavenful", "comparability", "exprobratory", |
| "dermorhynchous", "parquet", "cretaceous", "vesperal", "raphis", "undangered", "Glecoma", |
| "engrain", "counteractively", "Zuludom", "orchiocatabasis", "Auriculariales", "warriorwise", |
| "extraorganismal", "overbuilt", "alveolite", "tetchy", "terrificness", "widdle", |
| "unpremonished", "rebilling", "sequestrum", "equiconvex", "heliocentricism", "catabaptist", |
| "okonite", "propheticism", "helminthagogic", "calycular", "giantly", "wingable", "golem", |
| "unprovided", "commandingness", "greave", "haply", "doina", "depressingly", "subdentate", |
| "impairment", "decidable", "neurotrophic", "unpredict", "bicorporeal", "pendulant", "flatman", |
| "intrabred", "toplike", "Prosobranchiata", "farrantly", "toxoplasmosis", "gorilloid", |
| "dipsomaniacal", "aquiline", "atlantite", "ascitic", "perculsive", "prospectiveness", |
| "saponaceous", "centrifugalization", "dinical", "infravaginal", "beadroll", "affaite", |
| "Helvidian", "tickleproof", "abstractionism", "enhedge", "outwealth", "overcontribute", |
| "coldfinch", "gymnastic", "Pincian", "Munychian", "codisjunct", "quad", "coracomandibular", |
| "phoenicochroite", "amender", "selectivity", "putative", "semantician", "lophotrichic", |
| "Spatangoidea", "saccharogenic", "inferent", "Triconodonta", "arrendation", "sheepskin", |
| "taurocolla", "bunghole", "Machiavel", "triakistetrahedral", "dehairer", "prezygapophysial", |
| "cylindric", "pneumonalgia", "sleigher", "emir", "Socraticism", "licitness", "massedly", |
| "instructiveness", "sturdied", "redecrease", "starosta", "evictor", "orgiastic", "squdge", |
| "meloplasty", "Tsonecan", "repealableness", "swoony", "myesthesia", "molecule", |
| "autobiographist", "reciprocation", "refective", "unobservantness", "tricae", "ungouged", |
| "floatability", "Mesua", "fetlocked", "chordacentrum", "sedentariness", "various", "laubanite", |
| "nectopod", "zenick", "sequentially", "analgic", "biodynamics", "posttraumatic", "nummi", |
| "pyroacetic", "bot", "redescend", "dispermy", "undiffusive", "circular", "trillion", |
| "Uraniidae", "ploration", "discipular", "potentness", "sud", "Hu", "Eryon", "plugger", |
| "subdrainage", "jharal", "abscission", "supermarket", "countergabion", "glacierist", |
| "lithotresis", "minniebush", "zanyism", "eucalypteol", "sterilely", "unrealize", "unpatched", |
| "hypochondriacism", "critically", "cheesecutter", }; |
| |
| static size_t WordsCount = sizeof(Words) / sizeof(char *); |
| |
| Random::Random() { |
| setSeed(time(NULL) + clock() + RandomInitializeID++); |
| } |
| |
| Random::Random(int64_t seed) { |
| if (seed == -1) { |
| setSeed(time(NULL) + clock() + RandomInitializeID++); |
| } else { |
| setSeed(seed); |
| } |
| } |
| |
| Random::~Random() { |
| |
| } |
| |
| void Random::setSeed(int64_t seed) { |
| _seed = (seed ^ multiplier) & mask; |
| } |
| |
| int32_t Random::next(int bits) { |
| _seed = (_seed * multiplier + addend) & mask; |
| return (int32_t)(_seed >> (48 - bits)); |
| } |
| |
| int32_t Random::next_int32() { |
| return next(32); |
| } |
| |
| uint32_t Random::next_uint32() { |
| return (uint32_t)next(32); |
| } |
| |
| uint64_t Random::next_uint64() { |
| return ((uint64_t)(next(32)) << 32) + next(32); |
| } |
| |
| int32_t Random::next_int32(int32_t n) { |
| if ((n & -n) == n) // i.e., n is a power of 2 |
| return (int32_t)((n * (int64_t)next(31)) >> 31); |
| |
| int32_t bits, val; |
| do { |
| bits = next(31); |
| val = bits % n; |
| } while (bits - val + (n - 1) < 0); |
| return val; |
| } |
| |
| float Random::nextFloat() { |
| return next(24) / ((float)(1 << 24)); |
| } |
| |
| double Random::nextDouble() { |
| return (((uint64_t)(next(26)) << 27) + next(27)) / (double)(1L << 53); |
| } |
| |
| uint64_t Random::nextLog2() { |
| return (uint64_t)exp2(nextDouble() * 64); |
| } |
| |
| uint64_t Random::nextLog2(uint64_t range) { |
| double range_r = log2(range); |
| double v = nextDouble() * range_r; |
| return (uint64_t)exp2(v); |
| } |
| |
| uint64_t Random::nextLog10(uint64_t range) { |
| double range_r = log10(range); |
| double v = nextDouble() * range_r; |
| return (uint64_t)pow(10, v); |
| } |
| |
| char Random::nextByte(const string & range) { |
| if (range.length() == 0) { |
| return (char)next(8); |
| } else { |
| return range[next_int32(range.length())]; |
| } |
| } |
| |
| string Random::nextBytes(uint32_t length, const string & range) { |
| string ret(length, '-'); |
| for (uint32_t i = 0; i < length; i++) { |
| ret[i] = nextByte(range); |
| } |
| return ret; |
| } |
| |
| const char * Random::nextWord(int64_t limit) { |
| if (limit < 0) { |
| return Words[next_int32(WordsCount)]; |
| } |
| uint32_t r = limit < WordsCount ? limit : WordsCount; |
| return Words[next_int32(r)]; |
| } |
| |
| void Random::nextWord(string & dest, int64_t limit) { |
| dest = nextWord(limit); |
| } |
| |
| } // namespace NativeTask |
