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annotate src/Grids/zero_dim_grid.jl @ 1915:c003685d9926 feature/grids/geometry_functions

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Add geometry functions removed from feature/grids/manifolds
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 03 Feb 2025 15:43:00 +0100
parents 4ad1282f8bab
children
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1 """
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2 ZeroDimGrid{T} <: Grid{T,0}
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3
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4 A zero dimensional grid consisting of a single point.
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5 """
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6 struct ZeroDimGrid{T} <: Grid{T,0}
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7 point::T
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8 end
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9
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10 # Indexing interface
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11 Base.getindex(g::ZeroDimGrid) = g.point
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12 Base.eachindex(g::ZeroDimGrid) = CartesianIndices(())
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13
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14 # Iteration interface
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15 Base.iterate(g::ZeroDimGrid) = (g.point, nothing)
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16 Base.iterate(g::ZeroDimGrid, ::Any) = nothing
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17
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18 Base.IteratorSize(::Type{<:ZeroDimGrid}) = Base.HasShape{0}()
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19 Base.length(g::ZeroDimGrid) = 1
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20 Base.size(g::ZeroDimGrid) = ()
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23 refine(g::ZeroDimGrid, ::Int) = g
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24 coarsen(g::ZeroDimGrid, ::Int) = g
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26 boundary_identifiers(g::ZeroDimGrid) = ()
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27 boundary_grid(g::ZeroDimGrid, ::Any) = throw(ArgumentError("ZeroDimGrid has no boundaries"))
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28 boundary_indices(g::ZeroDimGrid, ::Any) = throw(ArgumentError("ZeroDimGrid has no boundaries"))