triu and tril tests

JuliaLinearAlgebra · Feb 19, 2022 · 64238d1 · 64238d1
1 parent 8679d6a
commit 64238d1
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/test/runtests.jl b/test/runtests.jl
@@ -349,6 +349,15 @@ end
     for T in (TU, TL)
         @test inv(T)::TriangularToeplitz ≈ inv(Matrix(T))
     end
+    T = Toeplitz(A)
+    TU = triu(T)
+    @test TU isa TriangularToeplitz
+    @test istriu(TU)
+    @test TU == Toeplitz(triu(A))
+    TL = tril(T)
+    @test TL isa TriangularToeplitz
+    @test istril(TL)
+    @test TL == Toeplitz(tril(A))
     for n in (65, 128)
         A = randn(n, n)
         TU = TriangularToeplitz(A, :U)