Add @test_throws for OffsetMatrix * Companion

JuliaLinearAlgebra · Nov 2, 2022 · a52a456 · a52a456
1 parent fa2b6f2
commit a52a456
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/test/companion.jl b/test/companion.jl
@@ -48,6 +48,12 @@ A = copy(B)
 @test A ≈ B * Zm
 
 
+# OffsetMatrix * companion
+
+B = OffsetArray(randn(size(B)), 9, -5) # test non-1-based indexing and AbstractMatrix
+@test_throws ArgumentError mul!(A, B, Z)
+
+
 # Polynomial construction
 using Polynomials
 p = Polynomial([-1,0,1])