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comparison src/Grids/zero_dim_grid.jl @ 2057:8a2a0d678d6f feature/lazy_tensors/pretty_printing

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Merge default
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 10 Feb 2026 22:41:19 +0100
parents 4ad1282f8bab
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1110:c0bff9f6e0fb 2057:8a2a0d678d6f
1 """
2 ZeroDimGrid{T} <: Grid{T,0}
3
4 A zero dimensional grid consisting of a single point.
5 """
6 struct ZeroDimGrid{T} <: Grid{T,0}
7 point::T
8 end
9
10 # Indexing interface
11 Base.getindex(g::ZeroDimGrid) = g.point
12 Base.eachindex(g::ZeroDimGrid) = CartesianIndices(())
13
14 # Iteration interface
15 Base.iterate(g::ZeroDimGrid) = (g.point, nothing)
16 Base.iterate(g::ZeroDimGrid, ::Any) = nothing
17
18 Base.IteratorSize(::Type{<:ZeroDimGrid}) = Base.HasShape{0}()
19 Base.length(g::ZeroDimGrid) = 1
20 Base.size(g::ZeroDimGrid) = ()
21
22
23 refine(g::ZeroDimGrid, ::Int) = g
24 coarsen(g::ZeroDimGrid, ::Int) = g
25
26 boundary_identifiers(g::ZeroDimGrid) = ()
27 boundary_grid(g::ZeroDimGrid, ::Any) = throw(ArgumentError("ZeroDimGrid has no boundaries"))
28 boundary_indices(g::ZeroDimGrid, ::Any) = throw(ArgumentError("ZeroDimGrid has no boundaries"))