Changeset 3110 in Sophya for trunk/SophyaLib/HiStats/histos.cc

Timestamp:

Nov 20, 2006, 2:15:35 PM (19 years ago)

Author:

cmv

Message:

ajout methodes Sum et Sum2 cmv 20/11/2006

File:

• trunk/SophyaLib/HiStats/histos.cc (modified) (2 diffs)

trunk/SophyaLib/HiStats/histos.cc

@@ -1 +1 @@
 //
-// $Id: histos.cc,v 1.25 2006-08-13 13:20:01 cmv Exp $
+// $Id: histos.cc,v 1.26 2006-11-20 13:15:35 cmv Exp $
 //
 
@@ -573 +573 @@
   for (int_4 i=1;i<mBins;i++) if(mData[i]<mx) mx=mData[i];
   return mx;
+}
+
+/********* Methode *********/
+/*!
+  Valeur somme des valeurs des bins
+*/
+r_8 Histo::Sum() const
+{
+  if(mBins<=0)  return 0.;
+  r_8 sx = 0.;
+  for (int_4 i=0; i<mBins; i++) sx += mData[i];
+  return sx;
+}
+
+/********* Methode *********/
+/*!
+  Valeur somme des carres des valeurs des bins
+*/
+r_8 Histo::Sum2() const
+{
+  if(mBins<=0)  return 0.;
+  r_8 sx2 = 0.;
+  for (int_4 i=0; i<mBins; i++) sx2 += mData[i]*mData[i];
+  return sx2;
 }