From 9e9c716d7c2b214937b20c8e35e8c2420dbbd547 Mon Sep 17 00:00:00 2001
From: Joshua Lampert <joshua.lampert@uni-hamburg.de>
Date: Thu, 19 Dec 2024 13:17:19 +0100
Subject: [PATCH 1/2] fix p-norm for unitful quantities

---
 src/linalg.jl   | 4 ++--
 test/unitful.jl | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/linalg.jl b/src/linalg.jl
index 2fe43081..bcc0f988 100644
--- a/src/linalg.jl
+++ b/src/linalg.jl
@@ -301,7 +301,7 @@ end
         $(Expr(:meta, :inline))
         scale = maxabs_nested(a)
 
-        scale==0 && return _init_zero(a)
+        iszero(scale) && return _init_zero(a)
         p == 1 && return @inbounds scale * $expr_p1
         return @inbounds scale * ($expr)^(inv(p))
     end
@@ -328,7 +328,7 @@ end
         p == Inf && return mapreduce(norm, max, a)  # no need for scaling
 
         l = p==1 ? @inbounds($expr_p1) : @inbounds(($expr)^(inv(p)))
-        0<l<Inf && return l
+        zero(l) < l && isfinite(l) && return l
         return _norm_scaled(Size(a), a, p)  # p != 0, 2, Inf
     end
 end
diff --git a/test/unitful.jl b/test/unitful.jl
index 8cf13888..45fa558b 100644
--- a/test/unitful.jl
+++ b/test/unitful.jl
@@ -5,4 +5,7 @@ using Unitful
     @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"
+
+    @test norm(SVector(1.0, 2.0)*u"m", 1) == 3.0*u"m"
+    @test norm(SVector(0.0, 0.0)*u"nm", 1) == 0.0*u"nm"
 end

From 2a717dce34bdeb854bba1e481b21372e1c347bab Mon Sep 17 00:00:00 2001
From: Joshua Lampert <joshua.lampert@uni-hamburg.de>
Date: Thu, 19 Dec 2024 21:15:35 +0100
Subject: [PATCH 2/2] set version to v1.9.9

---
 Project.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Project.toml b/Project.toml
index 481144ad..a4cd6814 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "StaticArrays"
 uuid = "90137ffa-7385-5640-81b9-e52037218182"
-version = "1.9.8"
+version = "1.9.9"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"