gpsprof: Handle case where sigma is (near) zero.

1 files changed, 3 insertions, 2 deletions

diff --git a/gpsprof b/gpsprof
index 1c99cf17..03b74253 100755
--- a/gpsprof
+++ b/gpsprof
@@ -185,8 +185,9 @@ class stats(object):
                 m4 += pow(fix - sigma, 4)
 
         self.sigma = sigma
-        self.skewness = m3 / (len(fixes) * pow(sigma, 3))
-        self.kurtosis = m4 / (len(fixes) * pow(sigma, 4))
+        if sigma > 0.0001:
+            self.skewness = m3 / (len(fixes) * pow(sigma, 3))
+            self.kurtosis = m4 / (len(fixes) * pow(sigma, 4))
 
         return