Changeset 3044 in Sophya for trunk/SophyaLib/HiStats/histos.cc

Timestamp:

Aug 7, 2006, 7:38:47 PM (19 years ago)

Author:

cmv

Message:

ReCenterBin deplace methode Histo (was HistErr) cmv 7/8/2006

File:

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

trunk/SophyaLib/HiStats/histos.cc

@@ -1 +1 @@
 //
-// $Id: histos.cc,v 1.21 2006-01-03 14:20:23 ansari Exp $
+// $Id: histos.cc,v 1.22 2006-08-07 17:38:47 cmv Exp $
 //
 
@@ -109 +109 @@
  if(mErr2==NULL) mErr2 = new r_8[mBins];
  memset(mErr2,0,mBins*sizeof(r_8));
+}
+
+/********* Methode *********/
+/*!
+ Recompute XMin and XMax so that
+ the CENTER of the first bin is exactly XMin and
+ the CENTER of the last bin is exactly XMax.
+ Remember that otherwise
+ XMin is the beginning of the first bin
+ and XMax is the end of the last bin
+*/
+void Histo::ReCenterBin(void)
+{
+ if(mBins<=1) return;
+ double dx = (mMax-mMin)/(mBins-1);
+ mMin -= dx/2.;
+ mMax += dx/2.;
+ binWidth = (mMax-mMin)/mBins;
 }