Make default TTree::Draw() hists double precision (THxD).

root-project · Jun 28, 2017 · 0ad637e · 0ad637e
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diff --git a/README/ReleaseNotes/v612/index.md b/README/ReleaseNotes/v612/index.md
@@ -61,6 +61,7 @@ or will be set to the address of the histogram read from the file.
 
 - Resolved O(N^2) scaling problem in ```TTree::Draw()``` observed when a branch that contains a
 large TClonesArray where each element contains another small vector container.
+- `TTree::Draw()` now creates double precision histograms by default; this can be configured in etc/system.rootrc / .rootrc as `Hist.Precision.1D` (or `2D` or `3D`).
 
 ## Histogram Libraries
 

diff --git a/config/rootrc.in b/config/rootrc.in
@@ -167,10 +167,10 @@ Hist.Binning.3D.z:           20
 Hist.Binning.3D.Profx:      100
 Hist.Binning.3D.Profy:      100
 
-# Default histogram precision for TTree::Draw(). It can be 'float"or "double"
-Hist.Precision.1D:           float
-Hist.Precision.2D:           float
-Hist.Precision.3D:           float
+# Default histogram precision for TTree::Draw(). It can be "float" or "double"
+Hist.Precision.1D:           double
+Hist.Precision.2D:           double
+Hist.Precision.3D:           double
 
 # Default statistics parameters names.
 Hist.Stats.Entries:          Entries