RFC:add functionality for quantiles of vectors of infinity (#19574)

* add functionality for quantiles of vectors of infinity * fixed spacing
JuliaLang · Dec 19, 2016 · 071c60a · 071c60a
1 parent 1a983b2
commit 071c60a
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diff --git a/base/statistics.jl b/base/statistics.jl
@@ -683,7 +683,7 @@ end
     else
         a = T(v[i])
         b = T(v[i+1])
-        return a + h*(b-a)
+        return a + ifelse(a == b, zero(a), h*(b-a))
     end
 end
 

diff --git a/test/statistics.jl b/test/statistics.jl
@@ -328,6 +328,7 @@ end
 @test quantile(100.0:-1.0:0.0, 0.0:0.1:1.0) == collect(0.0:10.0:100.0)
 @test quantile(0.0:100.0, 0.0:0.1:1.0, sorted=true) == collect(0.0:10.0:100.0)
 @test quantile(100f0:-1f0:0.0, 0.0:0.1:1.0) == collect(0f0:10f0:100f0)
+@test quantile([Inf,Inf],0.5) == Inf
 
 @test quantile([0,1],1e-18) == 1e-18