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Remove static instance of std::random_device in Benchmark::analyse_samples
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@ -355,11 +355,6 @@ namespace Catch {
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unsigned int n_resamples,
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double* first,
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double* last) {
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CATCH_INTERNAL_START_WARNINGS_SUPPRESSION
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CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS
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static std::random_device entropy;
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CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
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auto n = static_cast<int>(last - first); // seriously, one can't use integral types without hell in C++
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auto mean = &Detail::mean;
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@ -367,7 +362,8 @@ namespace Catch {
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#if defined(CATCH_CONFIG_USE_ASYNC)
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auto Estimate = [=](double(*f)(double const*, double const*)) {
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auto seed = entropy();
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std::random_device rd;
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auto seed = rd();
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return std::async(std::launch::async, [=] {
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SimplePcg32 rng( seed );
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auto resampled = resample(rng, n_resamples, first, last, f);
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@ -382,7 +378,8 @@ namespace Catch {
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auto stddev_estimate = stddev_future.get();
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#else
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auto Estimate = [=](double(*f)(double const* , double const*)) {
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auto seed = entropy();
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std::random_device rd;
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auto seed = rd();
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SimplePcg32 rng( seed );
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auto resampled = resample(rng, n_resamples, first, last, f);
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return bootstrap(confidence_level, first, last, resampled, f);
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