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random: get rid of GetRand by inlining

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This commit is contained in:
Pieter Wuille
2024-06-27 11:40:00 -04:00
parent e2d1f84858
commit ddc184d999
14 changed files with 40 additions and 49 deletions
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16
src/random.h
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@@ -426,20 +426,6 @@ void Shuffle(I first, I last, R&& rng)
}
}
/** Generate a uniform random integer of type T in the range [0..nMax)
* Precondition: nMax > 0, T is an integral type, no larger than uint64_t
*/
template<typename T>
T GetRand(T nMax) noexcept {
return T(FastRandomContext().randrange(nMax));
}
/** Generate a uniform random integer of type T in its entire non-negative range. */
template<typename T>
T GetRand() noexcept {
return T(FastRandomContext().rand<T>());
}
/** Generate a uniform random duration in the range [0..max). Precondition: max.count() > 0 */
template <typename D>
D GetRandomDuration(typename std::common_type<D>::type max) noexcept
@@ -448,7 +434,7 @@ D GetRandomDuration(typename std::common_type<D>::type max) noexcept
// type than the function argument. So std::common_type is used to force the
// call site to specify the type of the return value.
{
return D{GetRand(max.count())};
return D{FastRandomContext().randrange(max.count())};
};
constexpr auto GetRandMicros = GetRandomDuration<std::chrono::microseconds>;
constexpr auto GetRandMillis = GetRandomDuration<std::chrono::milliseconds>;