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instance method

Random::Formatter#rand

prng.rand → float

prng.rand(max) → number

static VALUE
rand_random_number(int argc, VALUE *argv, VALUE obj)
{
    rb_random_t *rnd = try_get_rnd(obj);
    VALUE v = rand_random(argc, argv, obj, rnd);
    if (NIL_P(v)) v = rand_random(0, 0, obj, rnd);
    else if (!v) invalid_argument(argv[0]);
    return v;
}

Alias of #random_number

Generates formatted random number from raw random bytes. See Random#rand.

See also #random_number #hex #random_bytes #gen_random also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1

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