From 39e10ffd83552e860b34e3d2ff90b58650f540a8 Mon Sep 17 00:00:00 2001
From: "Michael K. Borregaard" <mkborregaard@snm.ku.dk>
Date: Mon, 22 May 2017 22:49:20 +0200
Subject: [PATCH] Use NaNMath.extrema rather than Base.extrema

To avoid returning NaN when there are NaNs in the Vector
---
 REQUIRE      | 1 +
 src/Plots.jl | 1 +
 src/axes.jl  | 2 +-
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/REQUIRE b/REQUIRE
index 22f785ac..2f70e7f9 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -9,3 +9,4 @@ Measures
 Showoff
 StatsBase 0.14.0
 JSON
+NaNMath
diff --git a/src/Plots.jl b/src/Plots.jl
index 7e630ad7..19ba90dd 100644
--- a/src/Plots.jl
+++ b/src/Plots.jl
@@ -10,6 +10,7 @@ using Base.Meta
 @reexport using PlotThemes
 import Showoff
 import StatsBase
+import NaNMath: extrema
 
 export
     grid,
diff --git a/src/axes.jl b/src/axes.jl
index a5882d9a..8d66278c 100644
--- a/src/axes.jl
+++ b/src/axes.jl
@@ -118,7 +118,7 @@ Base.show(io::IO, axis::Axis) = dumpdict(axis.d, "Axis", true)
 # Base.getindex(axis::Axis, k::Symbol) = getindex(axis.d, k)
 Base.setindex!(axis::Axis, v, ks::Symbol...) = setindex!(axis.d, v, ks...)
 Base.haskey(axis::Axis, k::Symbol) = haskey(axis.d, k)
-Base.extrema(axis::Axis) = (ex = axis[:extrema]; (ex.emin, ex.emax))
+extrema(axis::Axis) = (ex = axis[:extrema]; (ex.emin, ex.emax)) #This is the NaNMath version, not the Base version
 
 
 const _scale_funcs = Dict{Symbol,Function}(