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Changed clock resolution estimator to return uint64_t

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This commit is contained in:
Phil Nash 2017-08-04 21:31:28 +01:00
parent a9b6813ad9
commit 97d6b08087
2 changed files with 4 additions and 4 deletions
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6
include/internal/catch_timer.cpp
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@ -16,7 +16,7 @@ namespace Catch {
return std::chrono::duration_cast<std::chrono::nanoseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
}
auto estimateClockResolution() -> double {
auto estimateClockResolution() -> uint64_t {
uint64_t sum = 0;
static const uint64_t iterations = 1000000;
@ -35,9 +35,9 @@ namespace Catch {
// We're just taking the mean, here. To do better we could take the std. dev and exclude outliers
// - and potentially do more iterations if there's a high variance.
return sum/(double)iterations;
return sum/iterations;
}
auto getEstimatedClockResolution() -> double {
auto getEstimatedClockResolution() -> uint64_t {
static auto s_resolution = estimateClockResolution();
return s_resolution;
}

2
include/internal/catch_timer.h
View File

@ -13,7 +13,7 @@
namespace Catch {
auto getCurrentNanosecondsSinceEpoch() -> uint64_t;
auto getEstimatedClockResolution() -> double;
auto getEstimatedClockResolution() -> uint64_t;
class Timer {
uint64_t m_nanoseconds = 0;