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Use our PCG32 RNG instead of mt19937 in Benchmark::analyse_samples

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Martin Hořeňovský 2023-12-10 21:18:23 +01:00
parent 1774dbfd53
commit 1887d42e3d
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1 changed files with 3 additions and 2 deletions
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5
src/catch2/benchmark/detail/catch_stats.cpp
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@ -11,6 +11,7 @@
#include <catch2/internal/catch_compiler_capabilities.hpp>
#include <catch2/internal/catch_floating_point_helpers.hpp>
#include <catch2/internal/catch_random_number_generator.hpp>
#include <algorithm>
#include <cassert>
@ -368,7 +369,7 @@ namespace Catch {
auto Estimate = [=](double(*f)(double const*, double const*)) {
auto seed = entropy();
return std::async(std::launch::async, [=] {
std::mt19937 rng(seed);
SimplePcg32 rng( seed );
auto resampled = resample(rng, n_resamples, first, last, f);
return bootstrap(confidence_level, first, last, resampled, f);
});
@ -382,7 +383,7 @@ namespace Catch {
#else
auto Estimate = [=](double(*f)(double const* , double const*)) {
auto seed = entropy();
std::mt19937 rng(seed);
SimplePcg32 rng( seed );
auto resampled = resample(rng, n_resamples, first, last, f);
return bootstrap(confidence_level, first, last, resampled, f);
};