Fix norm of unitful zero vector (#1128)

mateuszbaran · web-flow · commit 791a901abe6c · 2023-02-14T08:41:27.000+01:00
* Fix norm of unitful zero vector

* bump version
diff --git a/Project.toml b/Project.toml
@@ -1,6 +1,6 @@
 name = "StaticArrays"
 uuid = "90137ffa-7385-5640-81b9-e52037218182"
-version = "1.5.14"
+version = "1.5.15"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
diff --git a/src/linalg.jl b/src/linalg.jl
@@ -247,7 +247,7 @@ end
         $(Expr(:meta, :inline))
         scale = maxabs_nested(a)
 
-        scale==0 && return _init_zero(a)
+        iszero(scale) && return _init_zero(a)
         return @inbounds scale * sqrt($expr)
     end
 end
diff --git a/test/unitful.jl b/test/unitful.jl
@@ -3,4 +3,6 @@ using Unitful
 @testset "Unitful" begin
     # issue #1124
     @test norm(SVector(1.0*u"m")) == 1.0*u"m"
+    # issue $1127
+    @test norm(SVector(0.0, 0.0)*u"nm") == 0.0*u"nm"
 end
