Ensure we always read 32 bit seed from std::random_device

1 files changed, 1 insertions, 2 deletions

diff --git a/src/catch2/benchmark/detail/catch_stats.cpp b/src/catch2/benchmark/detail/catch_stats.cpp
index a56edfc0..2dd2d864 100644
--- a/src/catch2/benchmark/detail/catch_stats.cpp
+++ b/src/catch2/benchmark/detail/catch_stats.cpp
@@ -355,8 +355,6 @@ namespace Catch {
                                                unsigned int n_resamples,
                                                double* first,
                                                double* last) {
-                auto n = static_cast<int>(last - first); // seriously, one can't use integral types without hell in C++
-
                 auto mean = &Detail::mean;
                 auto stddev = &standard_deviation;
 
@@ -389,6 +387,7 @@ namespace Catch {
                 auto stddev_estimate = Estimate(stddev);
 #endif // CATCH_USE_ASYNC
 
+                auto n = static_cast<int>(last - first); // seriously, one can't use integral types without hell in C++
                 double outlier_variance = Detail::outlier_variance(mean_estimate, stddev_estimate, n);
 
                 return { mean_estimate, stddev_estimate, outlier_variance };