Changeset 8279 for trunk/MagicSoft/Mars/mhist/MHCamera.cc

Timestamp:

01/30/07 14:16:45 (18 years ago)

Author:

tbretz

Message:

*** empty log message ***

File:

• trunk/MagicSoft/Mars/mhist/MHCamera.cc (modified) (3 diffs)

trunk/MagicSoft/Mars/mhist/MHCamera.cc

@@ -1 +1 @@
 /* ======================================================================== *\
-! $Name: not supported by cvs2svn $:$Id: MHCamera.cc,v 1.95 2006-10-17 17:16:00 tbretz Exp $
+! $Name: not supported by cvs2svn $:$Id: MHCamera.cc,v 1.96 2007-01-30 14:16:45 tbretz Exp $
 ! --------------------------------------------------------------------------
 !
@@ -1333 +1333 @@
 }
 
+// ------------------------------------------------------------------------
+//
+// In the case the kProfile flag is set the spread of the bin is returned.
+// If you want to have the mean error instead set the kErrorMean bit via
+//  SetBit(kErrorMean) first.
+//
 Stat_t MHCamera::GetBinError(Int_t bin) const
 {
@@ -1346 +1352 @@
     const Double_t val = fArray[bin]        / n;
 
-    return sqr>val*val ? TMath::Sqrt(sqr - val*val) / n : 0;
+    const Double_t spread = sqr>val*val ? TMath::Sqrt(sqr - val*val);
+
+    return TestBit(kErrorMean) ? spread/TMath::Sqrt(n) : spread;
 
     /*