Fix QgsStatisticalSummary sometimes returning 0 for StDevSample stat

nyalldawson · nyalldawson · commit 2aa2040e77b1 · 2015-10-19T17:37:06.000+11:00
diff --git a/src/core/qgsstatisticalsummary.cpp b/src/core/qgsstatisticalsummary.cpp
@@ -67,7 +67,7 @@ void QgsStatisticalSummary::calculate( const QList<double> &values )
 
   mMean = mSum / mCount;
 
-  if ( mStatistics & QgsStatisticalSummary::StDev )
+  if ( mStatistics & QgsStatisticalSummary::StDev || mStatistics & QgsStatisticalSummary::StDevSample )
   {
     double sumSquared = 0;
     Q_FOREACH ( double value, values )

Original file line number	Diff line number	Diff line change
`@@ -67,7 +67,7 @@ void QgsStatisticalSummary::calculate( const QList<double> &values )`
`67`	`67`
`68`	`68`	`mMean = mSum / mCount;`
`69`	`69`
`70`		`- if ( mStatistics & QgsStatisticalSummary::StDev )`
	`70`	`+ if ( mStatistics & QgsStatisticalSummary::StDev \|\| mStatistics & QgsStatisticalSummary::StDevSample )`
`71`	`71`	`{`
`72`	`72`	`double sumSquared = 0;`
`73`	`73`	`Q_FOREACH ( double value, values )`