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< > BotCompany Repo | #1002033 // random - return random number between 0 and n-1, and other version

JavaX fragment (include) [tags: use-pretranspiled]

Transpiled version (9634L) is out of date.

static int random(int n, Random r default defaultRandomGenerator()) {
  ret random(r, n);
}

static long random(long n, Random r default defaultRandomGenerator()) {
  ret random(r, n);
}

static int random(Random r, int n) {
  return n <= 0 ? 0 : getRandomizer(r).nextInt(n);
}

static long random(Random r, long n) {
  return n <= 0 ? 0 : getRandomizer(r).nextLong(n);
}

static double random(double max) {
  return random()*max;
}

static double random() {
  return defaultRandomGenerator().nextInt(100001)/100000.0;
}

static double random(double min, double max) {
  return min+random()*(max-min);
}

// min <= value < max
static int random(int min, int max) {
  return min+random(max-min);
}

// min <= value < max
static long random(long min, long max) {
  return min+random(max-min);
}

static int random(int min, int max, Random r) {
  ret random(r, min, max);
}

static int random(Random r, int min, int max) {
  return min+random(r, max-min);
}

static <A> A random(L<A> l) {
  ret oneOf(l);
}

static <A> A random(Collection<A> c) {
  if (c instanceof L) ret random((L<A>) c);
  int i = random(l(c));
  ret collectionGet(c, i);
}

ifclass IntRange
static int random(IntRange r) {
  ret random(r.start, r.end);
}
endif

ifclass DoubleRange
static double random(DoubleRange r) {
  ret random(r.start, r.end);
}
endif

ifclass TimestampRange
static Timestamp random(TimestampRange r) {
  ret r == null ?: new Timestamp(random(r.startTime().unixDate(),
    r.endTime().unixDate()));
}
endif

static <A, B> Pair<A, B> random(Map<A, B> map) {
  ret entryToPair(random(entries(map)));
}

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Snippet ID: #1002033
Snippet name: random - return random number between 0 and n-1, and other version
Eternal ID of this version: #1002033/21
Text MD5: e9c9d217c6384a9e1a0b229f56fd2a60
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-11-15 15:04:54
Source code size: 1667 bytes / 78 lines
Pitched / IR pitched: No / No
Views / Downloads: 828 / 1699
Version history: 20 change(s)
Referenced in: [show references]