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annotate src/SbpOperators/volumeops/volume_operator.jl @ 1685:4aa0973bffb0 feature/grids/manifolds

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Restrict the argument types of the simplest equidistant_grid to Number to avoid ambiguity
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 21 Aug 2024 19:10:37 +0200
parents ff64acfc1ec9
children aba2ce166546
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1 """
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2 VolumeOperator{T,N,M,K} <: LazyTensor{T,1,1}
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3
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4 A one-dimensional constant coefficients stencil operator.
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5 """
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6 struct VolumeOperator{T,N,M,K} <: LazyTensor{T,1,1}
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7 inner_stencil::Stencil{T,N}
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8 closure_stencils::NTuple{M,Stencil{T,K}}
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9 size::NTuple{1,Int}
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10 parity::Parity
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11 end
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13 function VolumeOperator(grid::EquidistantGrid, inner_stencil, closure_stencils, parity)
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14 return VolumeOperator(inner_stencil, Tuple(closure_stencils), size(grid), parity)
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15 end # TBD: Remove this function?
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17 closure_size(::VolumeOperator{T,N,M}) where {T,N,M} = M
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19 LazyTensors.range_size(op::VolumeOperator) = op.size
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20 LazyTensors.domain_size(op::VolumeOperator) = op.size
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21
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22 function LazyTensors.apply(op::VolumeOperator, v::AbstractVector, i::Index{Lower})
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23 return @inbounds apply_stencil(op.closure_stencils[Int(i)], v, Int(i))
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24 end
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26 function LazyTensors.apply(op::VolumeOperator, v::AbstractVector, i::Index{Interior})
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27 return apply_stencil(op.inner_stencil, v, Int(i))
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28 end
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30 function LazyTensors.apply(op::VolumeOperator, v::AbstractVector, i::Index{Upper})
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31 return @inbounds Int(op.parity)*apply_stencil_backwards(op.closure_stencils[op.size[1]-Int(i)+1], v, Int(i))
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32 end
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33
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34 function LazyTensors.apply(op::VolumeOperator, v::AbstractVector, i)
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35 r = getregion(i, closure_size(op), op.size[1])
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36 return LazyTensors.apply(op, v, Index(i, r))
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37 end
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38 # TODO: Move this to LazyTensors when we have the region communication down.