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annotate src/Grids/grid.jl @ 1275:dcd8654ca33b refactor/grids

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Remove getcomponent stubs since we might have a cleaner way to solve it with map or lazymap
author Jonatan Werpers <jonatan@werpers.com>
date Sun, 26 Feb 2023 11:53:23 +0100
parents 7fab13c07412
children 1157f889bf50
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1 """
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2 Grid{T,D}
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3
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4 The top level type for grids.
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6 Should implement
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7 # TBD:
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8 """
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9 #TBD: Should it be an AbstractArray? See notes in grid_refactor.md
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10 # TODO: Document that grids should implement the interfaces for iteration and indexing.
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11 abstract type Grid{T,D} end
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13
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14 Base.ndims(::Grid{T,D}) where {T,D} = D
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15 Base.eltype(::Type{<:Grid{T}}) where T = T
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16 target_manifold_dim(::Grid{T}) where T = _ncomponents(T) # TBD: Name of this function?!
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17
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18 """
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19 # TODO
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20 """
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21 function refine end
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23 """
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24 # TODO
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25 """
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26 function coarsen end
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27
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28 """
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29 # TODO
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30 """
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31 function boundary_identifiers end
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32
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33 """
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34 # TODO
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35 """
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36 function boundary_grid end
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37 # TBD Can we implement a version here that accepts multiple ids and grouped boundaries? Maybe we need multiblock stuff?
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40 # TODO: Make sure that all grids implement all of the above.
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41
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42 """
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43 dims(grid::Grid)
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44
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45 Enumerate the dimensions of the grid.
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46 """
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47 dims(grid::Grid) = 1:ndims(grid)
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48 # TBD: Is this function needed? Where is it used?
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49
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50 # TBD: New file grid_functions.jl?
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51 """
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52 TODO:
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53
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54 * Mention map(f,g) if you want a concrete array
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55 """
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56 eval_on(g::Grid, f) = eval_on(g, f, Base.IteratorSize(g)) # TBD: Borde f vara först som i alla map, sum, och dylikt
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57 function eval_on(g::Grid, f, ::Base.HasShape)
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58 if hasmethod(f, (Any,))
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59 return LazyTensors.LazyFunctionArray((I...)->f(g[I...]), size(g))
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60 else
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61 return LazyTensors.LazyFunctionArray((I...)->f(g[I...]...), size(g))
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62 end
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63 end
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66 # TODO: Explain how these are intended to be used
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67 _ncomponents(::Type{<:Number}) = 1
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68 _ncomponents(T::Type{<:SVector}) = length(T)
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70 _component_type(T::Type{<:Number}) = T
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71 _component_type(T::Type{<:SVector}) = eltype(T)