Function ripple::math::randint

• Defined in File math.hpp

Function Documentation

auto ripple::math::randint(uint32_t start, uint32_t end) noexcept -> uint32_t

Returns a random 32 bit integer in the range [start, end].

It’s very fast (approx ~1-2ns based on benchmarks, in comparison std::experimental::randint, which is around 16ns), however, the implementation is known to fail some of the random number generation tests.

It also only provides a uniform distribution and can be used when performance is critical and the quality of the generated random number is not hugely important.

Return

A uniformly distributed random number in the given range.

Parameters

• start: The starting value of the range.

• end: The end value of the range.