squash! [hist] Ensure that maximum of a distribution is visible in histograms.

Author: hageboeck

hist/hist/src/TH1.cxx

@@ -1430,7 +1430,7 @@ Int_t TH1::BufferEmpty(Int_t action)
                        "inconsistency found by power-of-2 autobin algorithm: fallback to standard method");
          }
          if (rc < 0)
-            THLimitsFinder::GetLimitsFinder()->FindGoodLimits(this, xmin, xmax + 0.01 * (xmax - xmin));
+            THLimitsFinder::GetLimitsFinder()->FindGoodLimits(this, xmin, xmax);
       } else {
          fBuffer = nullptr;
          Int_t keep = fBufferSize; fBufferSize = 0;

hist/hist/src/THLimitsFinder.cxx

@@ -384,7 +384,7 @@ void THLimitsFinder::OptimizeLimits(Int_t nbins, Int_t &newbins, Double_t &xmin,
       xmax = 1;
    } else {
       xmin = std::min(binlow, xmin);
-      xmax = std::max(binhigh, xmax);
+      xmax = std::max(binhigh, xmax + 0.01 * (xmax - xmin));
    }
    if (isInteger) {
       Long64_t ixmin = Long64_t(xmin);