Changeset 3307 in Sophya for trunk/SophyaLib/HiStats/histerr.cc

Timestamp:

Aug 22, 2007, 10:26:33 AM (18 years ago)

Author:

cmv

Message:

methode ReCenterBinW binwidth kept, number of bin incresed cmv 22/08/2007

File:

• trunk/SophyaLib/HiStats/histerr.cc (modified) (4 diffs)

trunk/SophyaLib/HiStats/histerr.cc

@@ -18 +18 @@
 /*! Constructeur par defaut */
 HistoErr::HistoErr(void)
-: xmin_(1.), xmax_(-1.), nx_(0), dx_(0.)
-, mMean(0)
+: xmin_(1.), xmax_(-1.), dx_(0.), nx_(0), mMean(0)
 {
 }
@@ -78 +77 @@
 /********* Methode *********/
 /*!
- Recompute XMin (and XMax so that
+ 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.
@@ -84 +83 @@
  XMin is the beginning of the first bin
  and XMax is the end of the last bin
+ WARNING: number of bins is kept, bin width is changed
 */
 void HistoErr::ReCenterBin(void)
@@ -92 +92 @@
  xmax_ += dx/2.;
  dx_ = (xmax_-xmin_)/nx_;
+}
+
+/********* 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
+ WARNING: bin width is kept, number of bins is increased by 1
+*/
+void HistoErr::ReCenterBinW(void)
+{
+ if(nx_<=1) return;
+ CreateOrResize(xmin_-dx_/2.,xmax_+dx_/2.,nx_+1);
 }