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Mitigate overflow when calculating eta

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This commit is contained in:
Seth Parker
2020-11-12 13:21:42 -05:00
parent af7c004832
commit c3ff1fbd91
2 changed files with 8 additions and 4 deletions
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2
include/indicators/progress_bar.hpp
View File

@@ -256,7 +256,7 @@ private:
if (saved_start_time) {
auto eta = std::chrono::nanoseconds(
progress_ > 0 ? static_cast<long long>(elapsed_.count() *
max_progress / progress_)
(max_progress / progress_))
: 0);
auto remaining = eta > elapsed_ ? (eta - elapsed_) : (elapsed_ - eta);
details::write_duration(os, remaining);

10
single_include/indicators/indicators.hpp
View File

@@ -1789,7 +1789,7 @@ private:
if (saved_start_time) {
auto eta = std::chrono::nanoseconds(
progress_ > 0 ? static_cast<long long>(elapsed_.count() *
max_progress / progress_)
(max_progress / progress_))
: 0);
auto remaining = eta > elapsed_ ? (eta - elapsed_) : (elapsed_ - eta);
details::write_duration(os, remaining);
@@ -2089,7 +2089,9 @@ private:
if (saved_start_time) {
auto eta = std::chrono::nanoseconds(
progress_ > 0 ? static_cast<long long>(elapsed.count() * max_progress / progress_) : 0);
progress_ > 0 ? static_cast<long long>(elapsed.count() *
(max_progress / progress_))
: 0);
auto remaining = eta > elapsed ? (eta - elapsed) : (elapsed - eta);
details::write_duration(os, remaining);
} else {
@@ -2796,7 +2798,9 @@ public:
else
os << " [";
auto eta = std::chrono::nanoseconds(
progress_ > 0 ? static_cast<long long>(elapsed.count() * max_progress / progress_) : 0);
progress_ > 0 ? static_cast<long long>(elapsed.count() *
(max_progress / progress_))
: 0);
auto remaining = eta > elapsed ? (eta - elapsed) : (elapsed - eta);
details::write_duration(os, remaining);
os << "]";