LinearAlgebra/tridiag/elty = ComplexF64/mat_type = LinearAlgebra.Tridiagonal/Multiplication with strided matrix/vector @test begin X = fill(1.0, n, 2) #= /usr/home/julia/.buildkite-agent/builds/freebsd13-amdci6-2/julialang/julia-master/julia-3360a44a4d/share/julia/stdlib/v1.13/LinearAlgebra/test/tridiag.jl:339 =# A * X ≈ Array(A) * X end