Changeset 96 for trunk/src/WeightedAverager.h

Timestamp:

Jun 9, 2004, 6:30:07 PM (19 years ago)

Author:

Peter

Message:

reset added

File:

• trunk/src/WeightedAverager.h (modified) (2 diffs)

trunk/src/WeightedAverager.h

@@ -52 +52 @@
   
     ///
+    /// resets everything to zero
+    ///
+    inline void reset(void) { wx_.reset(); w_.reset(); wwx_=0;}
+
+    ///
     /// Calculating the squared error according to: \f$ \frac{\sum
     /// w_i^2(x_i-m)^2}{(\sum w_i)^2} \f$ @return squared error
@@ -100 +105 @@
     ///
     inline WeightedAverager operator+=(WeightedAverager a)
-    { wx_+=a.wx(); w_+=a.w(); return *this; }
+    { wx_+=a.wx(); w_+=a.w(); wwx_+=a.sum_wwx(); return *this; }
+
+    ///
+    /// operator to rescale object, i.e. each data point is rescaled
+    /// \f$ x = d * x \f$
+    ///
+    inline WeightedAverager operator*=(double d)
+    { wx_*=d; wwx_*=d; return *this; }