backports for Interlace bandwidth, ArraySpace show and ProductFun

[codecov[bot]]

Codecov Report

Patch coverage: 55.55% and project coverage change: -9.26% :warning:

Comparison is base (42a2c04) 71.00% compared to head (32b842a) 61.75%. Report is 4 commits behind head on backport_0.8.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## backport_0.8 #558 +/- ## ================================================ - Coverage 71.00% 61.75% -9.26% ================================================ Files 81 81 Lines 8575 8578 +3 ================================================ - Hits 6089 5297 -792 - Misses 2486 3281 +795 ``` | [Files Changed](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation) | Coverage Δ | | |---|---|---| | [src/LinearAlgebra/lyap.jl](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation#diff-c3JjL0xpbmVhckFsZ2VicmEvbHlhcC5qbA==) | `0.00% <0.00%> (ø)` | | | [src/Multivariate/VectorFun.jl](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation#diff-c3JjL011bHRpdmFyaWF0ZS9WZWN0b3JGdW4uamw=) | `37.11% <0.00%> (-20.62%)` | :arrow_down: | | [src/PDE/KroneckerOperator.jl](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation#diff-c3JjL1BERS9Lcm9uZWNrZXJPcGVyYXRvci5qbA==) | `56.07% <0.00%> (-22.24%)` | :arrow_down: | | [src/Multivariate/ProductFun.jl](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation#diff-c3JjL011bHRpdmFyaWF0ZS9Qcm9kdWN0RnVuLmps) | `36.21% <33.33%> (-9.69%)` | :arrow_down: | | [src/Operators/SubOperator.jl](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation#diff-c3JjL09wZXJhdG9ycy9TdWJPcGVyYXRvci5qbA==) | `77.45% <50.00%> (-4.91%)` | :arrow_down: | | [src/Multivariate/TensorSpace.jl](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation#diff-c3JjL011bHRpdmFyaWF0ZS9UZW5zb3JTcGFjZS5qbA==) | `72.52% <100.00%> (-12.37%)` | :arrow_down: | | [src/Operators/Operator.jl](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation#diff-c3JjL09wZXJhdG9ycy9PcGVyYXRvci5qbA==) | `70.69% <100.00%> (-3.31%)` | :arrow_down: | | [src/Operators/banded/Conversion.jl](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation#diff-c3JjL09wZXJhdG9ycy9iYW5kZWQvQ29udmVyc2lvbi5qbA==) | `75.38% <100.00%> (-8.49%)` | :arrow_down: | | [src/Operators/functionals/Evaluation.jl](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation#diff-c3JjL09wZXJhdG9ycy9mdW5jdGlvbmFscy9FdmFsdWF0aW9uLmps) | `80.64% <100.00%> (-6.59%)` | :arrow_down: | | [src/Operators/general/InterlaceOperator.jl](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation#diff-c3JjL09wZXJhdG9ycy9nZW5lcmFsL0ludGVybGFjZU9wZXJhdG9yLmps) | `75.66% <100.00%> (-5.67%)` | :arrow_down: | | ... and [3 more](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation) | | ... and [41 files with indirect coverage changes](https://app.codecov.io/gh/JuliaApproximation/ApproxFunBase.jl/pull/558/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaApproximation)

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