Broadcast for Bidiagonal/Tridiagonal/SymTridiagonal

[jishnub]

After this, the following works:

julia> B = Bidiagonal(1:∞, 1:∞, :U)
ℵ₀×ℵ₀ Bidiagonal{Int64, InfiniteArrays.InfUnitRange{Int64}} with indices OneToInf()×OneToInf():
 1  1  ⋅  ⋅  ⋅  ⋅  ⋅  ⋅  ⋅   ⋅   ⋅  ⋅  …  
 ⋅  2  2  ⋅  ⋅  ⋅  ⋅  ⋅  ⋅   ⋅   ⋅  ⋅     
 ⋅  ⋅  3  3  ⋅  ⋅  ⋅  ⋅  ⋅   ⋅   ⋅  ⋅     
 ⋅  ⋅  ⋅  4  4  ⋅  ⋅  ⋅  ⋅   ⋅   ⋅  ⋅     
 ⋅  ⋅  ⋅  ⋅  5  5  ⋅  ⋅  ⋅   ⋅   ⋅  ⋅     
 ⋅  ⋅  ⋅  ⋅  ⋅  6  6  ⋅  ⋅   ⋅   ⋅  ⋅  …  
 ⋅  ⋅  ⋅  ⋅  ⋅  ⋅  7  7  ⋅   ⋅   ⋅  ⋅     
 ⋅  ⋅  ⋅  ⋅  ⋅  ⋅  ⋅  8  8   ⋅   ⋅  ⋅     
 ⋅  ⋅  ⋅  ⋅  ⋅  ⋅  ⋅  ⋅  9   9   ⋅  ⋅     
 ⋅  ⋅  ⋅  ⋅  ⋅  ⋅  ⋅  ⋅  ⋅  10  10  ⋅     
 ⋮              ⋮                ⋮     ⋱  

julia> B .+ B
(ℵ₀×ℵ₀ Bidiagonal{Int64, InfiniteArrays.InfUnitRange{Int64}} with indices OneToInf()×OneToInf()) .+ (ℵ₀×ℵ₀ Bidiagonal{Int64, InfiniteArrays.InfUnitRange{Int64}} with indices OneToInf()×OneToInf()) with indices OneToInf()×OneToInf():
 2  2  ⋅  ⋅   ⋅   ⋅   ⋅   ⋅   ⋅   ⋅  …  
 ⋅  4  4  ⋅   ⋅   ⋅   ⋅   ⋅   ⋅   ⋅     
 ⋅  ⋅  6  6   ⋅   ⋅   ⋅   ⋅   ⋅   ⋅     
 ⋅  ⋅  ⋅  8   8   ⋅   ⋅   ⋅   ⋅   ⋅     
 ⋅  ⋅  ⋅  ⋅  10  10   ⋅   ⋅   ⋅   ⋅     
 ⋅  ⋅  ⋅  ⋅   ⋅  12  12   ⋅   ⋅   ⋅  …  
 ⋅  ⋅  ⋅  ⋅   ⋅   ⋅  14  14   ⋅   ⋅     
 ⋅  ⋅  ⋅  ⋅   ⋅   ⋅   ⋅  16  16   ⋅     
 ⋅  ⋅  ⋅  ⋅   ⋅   ⋅   ⋅   ⋅  18  18     
 ⋅  ⋅  ⋅  ⋅   ⋅   ⋅   ⋅   ⋅   ⋅  20     
 ⋮                ⋮                  ⋱  

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.14%. Comparing base (4f757e7) to head (020be43).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #194   +/-   ##
=======================================
  Coverage   86.14%   86.14%           
=======================================
  Files           6        6           
  Lines         758      758           
=======================================
  Hits          653      653           
  Misses        105      105           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.