Mercurial > repos > public > sbplib_julia
comparison src/LazyTensors/tuple_manipulation.jl @ 1031:0905cec43d2e feature/dissipation_operators
Add left and right pad functions for tuple
| author | Jonatan Werpers <jonatan@werpers.com> |
|---|---|
| date | Tue, 22 Mar 2022 10:42:19 +0100 |
| parents | 20c376dffe84 |
| children | 423a6442efc3 |
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| 1030:8fe630a20b64 | 1031:0905cec43d2e |
|---|---|
| 72 Takes a nested tuple and flattens the whole structure | 72 Takes a nested tuple and flattens the whole structure |
| 73 """ | 73 """ |
| 74 flatten_tuple(t::NTuple{N, Number} where N) = t | 74 flatten_tuple(t::NTuple{N, Number} where N) = t |
| 75 flatten_tuple(t::Tuple) = ((flatten_tuple.(t)...)...,) # simplify? | 75 flatten_tuple(t::Tuple) = ((flatten_tuple.(t)...)...,) # simplify? |
| 76 flatten_tuple(ts::Vararg) = flatten_tuple(ts) | 76 flatten_tuple(ts::Vararg) = flatten_tuple(ts) |
| 77 | |
| 78 | |
| 79 function left_pad_tuple(t, val, N) | |
| 80 if N < length(t) | |
| 81 throw(DomainError(N, "Can't pad tuple of length $(length(t)) to $N elements")) | |
| 82 end | |
| 83 | |
| 84 padding = ntuple(i->val, N-length(t)) | |
| 85 return (padding..., t...) | |
| 86 end | |
| 87 | |
| 88 function right_pad_tuple(t, val, N) | |
| 89 if N < length(t) | |
| 90 throw(DomainError(N, "Can't pad tuple of length $(length(t)) to $N elements")) | |
| 91 end | |
| 92 | |
| 93 padding = ntuple(i->val, N-length(t)) | |
| 94 return (t..., padding...) | |
| 95 end | |
| 96 |