Test Diagonal{<:AbstractFill} * Bidiagonal

Author: dlfivefifty

Project.toml

@@ -25,7 +25,7 @@ DSP = "0.7"
 FillArrays = "0.11, 0.12"
 InfiniteArrays = "0.12"
 LazyArrays = "0.21.8"
-LazyBandedMatrices = "0.7"
+LazyBandedMatrices = "0.7.1"
 MatrixFactorizations = "0.8"
 SemiseparableMatrices = "0.2.7"
 julia = "1.6"

test/test_infbanded.jl

@@ -1,4 +1,4 @@
-using InfiniteLinearAlgebra, InfiniteArrays, BandedMatrices, FillArrays, Test
+using InfiniteLinearAlgebra, InfiniteArrays, BandedMatrices, FillArrays, LazyBandedMatrices, Test
 import BandedMatrices: _BandedMatrix
 
 @testset "∞-banded" begin
@@ -135,4 +135,9 @@ import BandedMatrices: _BandedMatrix
         B = _BandedMatrix(Fill(1.0π,1,∞), ∞, 0,0)
         @test (A*B)[1:10,1:10] ≈ BandedMatrix(-1 => Fill(1.0π,9))
     end
+
+    @testset "Diagonal{Fill} * Bidiagonal" begin
+        A, B = Diagonal(Fill(2,∞)) , LazyBandedMatrices.Bidiagonal(exp.(1:∞), exp.(1:∞), :L)
+        @test (A*B)[1:10,1:10] ≈ (B*A)[1:10,1:10] ≈ 2B[1:10,1:10]
+    end
 end