Changeset 7694 for trunk/MagicSoft/Mars/mhflux

Timestamp:

05/05/06 10:00:52 (19 years ago)

Author:

Daniela Dorner

Message:

*** empty log message ***

File:

• trunk/MagicSoft/Mars/mhflux/MAlphaFitter.cc (modified) (3 diffs)

trunk/MagicSoft/Mars/mhflux/MAlphaFitter.cc

@@ -138 +138 @@
             fFunc->SetParameter(i, 0);
 
-    fFunc->SetParLimits(2, 0, 90);
-    //    fFunc->SetParLimits(3, -1, 1);
-
     // options : N  do not store the function, do not draw
     //           I  use integral of function in bin rather than value at bin center
@@ -163 +160 @@
     // ------------------------------------
 
-    fFunc->ReleaseParameter(0);
-    //func.ReleaseParameter(1);
+    fFunc->ReleaseParameter(0);  // It is also released by SetParLimits later on
+    //func.ReleaseParameter(1);  // It is also released by SetParLimits later on
     fFunc->ReleaseParameter(2);
     for (int i=3; i<fFunc->GetNpar(); i++)
@@ -173 +170 @@
     const Double_t A  = alpha0-s;
     const Double_t dA = TMath::Abs(A);
-    fFunc->SetParLimits(0, -dA*4, dA*4);
-    fFunc->SetParLimits(2, 0, 90);
+    fFunc->SetParLimits(0, -dA*4, dA*4);  // SetParLimits also releases the parameter
+    fFunc->SetParLimits(2, 0, 90);        // SetParLimits also releases the parameter
 
     // Now fit a gaus in the on region on top of the polynom