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-rw-r--r--src/msvmmaj_train_dataset.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/msvmmaj_train_dataset.c b/src/msvmmaj_train_dataset.c
index 7fa7316..0e897e3 100644
--- a/src/msvmmaj_train_dataset.c
+++ b/src/msvmmaj_train_dataset.c
@@ -366,8 +366,11 @@ void consistency_repeats(struct Queue *q, long repeats, TrainType traintype)
r) - mean[i],
2.0);
}
- std[i] /= ((double) repeats) - 1.0;
- std[i] = sqrt(std[i]);
+ if (r > 1) {
+ std[i] /= ((double) repeats) - 1.0;
+ std[i] = sqrt(std[i]);
+ } else
+ std[i] = 0.0;
note("(m = %3.3f, s = %3.3f, t = %3.3f)\n",
mean[i], std[i], time[i]);
}