Require square matrices in UpperHessenberg

jishnub · jishnub · commit 134af1c5279d · 2025-04-30T23:01:40.000+05:30
diff --git a/src/hessenberg.jl b/src/hessenberg.jl
@@ -46,6 +46,7 @@ struct UpperHessenberg{T,S<:AbstractMatrix{T}} <: AbstractMatrix{T}
 
     function UpperHessenberg{T,S}(data) where {T,S<:AbstractMatrix{T}}
         require_one_based_indexing(data)
+        checksquare(data)
         new{T,S}(data)
     end
 end
