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-rw-r--r--minethd.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/minethd.cpp b/minethd.cpp
index 00cafc3..5951035 100644
--- a/minethd.cpp
+++ b/minethd.cpp
@@ -105,6 +105,10 @@ double telemetry::calc_telemetry_data(size_t iLastMilisec, size_t iThread)
if (!bHaveFullSet || iEarliestStamp == 0 || iLastestStamp == 0)
return nan("");
+ //Don't think that can happen, but just in case
+ if (iLastestStamp - iEarliestStamp == 0)
+ return nan("");
+
double fHashes, fTime;
fHashes = iLastestHashCnt - iEarliestHashCnt;
fTime = iLastestStamp - iEarliestStamp;
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