improve eltype of symrange

jw3126 · Nov 24, 2021 · bf7a28e · bf7a28e
1 parent 6dcca19
commit bf7a28e
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/src/RangeHelpers.jl b/src/RangeHelpers.jl
@@ -410,7 +410,7 @@ function _symrange(center, start, step, stop, length)
 end
 
 function _symrange(center, start::Nothing, step, stop::Nothing, length)
-    c = float(something(center, zero(step)))
+    c = float(center*one(step))
     if isodd(length)
         hl = Int((length - 1)/2)
         anchorrange(c, pre=hl, post=hl, step=step)

diff --git a/test/runtests.jl b/test/runtests.jl
@@ -66,6 +66,9 @@ end
 
     r = @inferred symrange(stop=strictabove(-2), step=-1)
     @test r === 1.5:-1.0:-1.5
+
+    r = @inferred symrange(step=2.5f0, length=106)
+    @test eltype(r) === Float32
 end
 
 @testset "prolong" begin