From 93754a9fc249addf82da91f899181005c2efff31 Mon Sep 17 00:00:00 2001
From: Andreas Suter <andreas.suter@psi.ch>
Date: Sat, 21 Oct 2023 17:45:49 +0200
Subject: [PATCH] replaced some raw pointer by smart pointer in PFitter.

---
 src/classes/PFitter.cpp | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/src/classes/PFitter.cpp b/src/classes/PFitter.cpp
index 9d5a4486..7723bd4d 100644
--- a/src/classes/PFitter.cpp
+++ b/src/classes/PFitter.cpp
@@ -2410,8 +2410,8 @@ Bool_t PFitter::ExecuteSave(Bool_t firstSave)
       title += fRunInfo->GetFileName();
       title += " - ";
       title += dt.AsSQLString();
-      TCanvas *ccorr = new TCanvas("ccorr", "title", 500, 500);
-      TH2D *hcorr = new TH2D("hcorr", title, cov.Nrow(), 0.0, cov.Nrow(), cov.Nrow(), 0.0, cov.Nrow());
+      std::unique_ptr<TCanvas> ccorr = std::make_unique<TCanvas>("ccorr", "title", 500, 500);
+      std::unique_ptr<TH2D> hcorr = std::make_unique<TH2D>("hcorr", title, cov.Nrow(), 0.0, cov.Nrow(), cov.Nrow(), 0.0, cov.Nrow());
       Double_t dval;
       for (UInt_t i=0; i<cov.Nrow(); i++) {
         // parameter number
@@ -2473,15 +2473,6 @@ Bool_t PFitter::ExecuteSave(Bool_t firstSave)
       ccorr->Write("ccorr", TObject::kOverwrite, sizeof(ccorr));
       hcorr->Write("hcorr", TObject::kOverwrite, sizeof(hcorr));
       ff.Close();
-      // clean up
-      if (ccorr) {
-        delete ccorr;
-        ccorr = nullptr;
-      }
-      if (hcorr) {
-        delete hcorr;
-        hcorr = nullptr;
-      }
     }
     parNo.clear(); // clean up
   } else {