Function malachite_q::random::striped_random_non_negative_rationals
source · pub fn striped_random_non_negative_rationals(
seed: Seed,
mean_stripe_numerator: u64,
mean_stripe_denominator: u64,
mean_bits_numerator: u64,
mean_bits_denominator: u64,
) -> RandomRationalsFromDouble<StripedRandomNaturals<GeometricRandomNaturalValues<u64>>, StripedRandomNaturals<GeometricRandomNaturalValues<u64>>> ⓘ
Expand description
Generates striped random non-positive Rational
s with a specified mean numerator and
denominator bit length.
The output length is infinite.
See StripedBitSource
for information about generating striped random numbers.
§Expected complexity per iteration
$T(n) = O(n (\log n)^2 \log\log n)$
$M(n) = O(n \log n)$
where $T$ is time, $M$ is additional memory, and $n$ is mean_bits_numerator / mean_bits_denominator
.
§Panics
Panics if mean_stripe_denominator
is zero, if mean_stripe_numerator < mean_stripe_denominator
, if mean_bits_numerator
or mean_bits_denominator
are zero, or if
mean_bits_numerator <= mean_bits_denominator
.
§Examples
use malachite_base::iterators::prefix_to_string;
use malachite_base::random::EXAMPLE_SEED;
use malachite_q::random::striped_random_non_negative_rationals;
assert_eq!(
prefix_to_string(
striped_random_non_negative_rationals(EXAMPLE_SEED, 16, 1, 32, 1),
10
),
"[8192/127, 16776704/4396972769407, 8796093005951/648518346332962816, 87381/2863267840, \
1024/2043, 51/58408828928, 85/13521606402434254795714066382848, 270335/7, \
59421159664630116152453890047/9444741445172838006656, 6291455/1154891846623166464, ...]"
)