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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
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@@ -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);