Fixed bug in unit tests.

deccc99c · Davis King · af1af6d2 · deccc99c
Commit deccc99c authored Feb 23, 2018 by Davis King
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Showing with 7 additions and 3 deletions

statistics.cpp dlib/test/statistics.cpp +7 -3

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--- a/dlib/test/statistics.cpp
+++ b/dlib/test/statistics.cpp
@@ -816,7 +816,8 @@ namespace
                {
                    rs.add(rnd.get_random_gaussian() + 1);
                    tmp[i] += rs.mean();
-                    tmp_var[i] += rs.variance();
+                    if (i > 0)
+                        tmp_var[i] += rs.variance();
                }
            }
@@ -845,8 +846,11 @@ namespace
                {
                    rs.add(rnd.get_random_gaussian() + 1, rnd.get_random_gaussian() + 1);
                    tmp[i] += (rs.mean_y()+rs.mean_x())/2;
-                    tmp_var[i] += (rs.variance_y()+rs.variance_x())/2;
+                    if (i > 0)
-                    tmp_covar[i] += rs.covariance();
+                    {
+                        tmp_var[i] += (rs.variance_y()+rs.variance_x())/2;
+                        tmp_covar[i] += rs.covariance();
+                    }
                }
            }