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comparison src/SbpOperators/volumeops/volume_operator.jl @ 1103:0a856fb96db4 laplace_benchmarks

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author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 13 May 2022 14:27:36 +0200
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876:4f3924293894 1103:0a856fb96db4
9 operators and `IdentityMapping`s, e.g for `Dim=3` the volume operator in the 9 operators and `IdentityMapping`s, e.g for `Dim=3` the volume operator in the
10 y-direction is `I⊗op⊗I`. 10 y-direction is `I⊗op⊗I`.
11 """ 11 """
12 function volume_operator(grid::EquidistantGrid, inner_stencil, closure_stencils, parity, direction) 12 function volume_operator(grid::EquidistantGrid, inner_stencil, closure_stencils, parity, direction)
13 #TODO: Check that direction <= Dim? 13 #TODO: Check that direction <= Dim?
14
15 # Create 1D volume operator in along coordinate direction 14 # Create 1D volume operator in along coordinate direction
16 op = VolumeOperator(restrict(grid, direction), inner_stencil, closure_stencils, parity) 15 op = VolumeOperator(restrict(grid, direction), inner_stencil, closure_stencils, parity)
17 # Create 1D IdentityMappings for each coordinate direction 16 # Create 1D IdentityMappings for each coordinate direction
18 one_d_grids = restrict.(Ref(grid), Tuple(1:dimension(grid))) 17 one_d_grids = restrict.(Ref(grid), Tuple(1:dimension(grid)))
19 Is = IdentityMapping{eltype(grid)}.(size.(one_d_grids)) 18 Is = IdentityMapping{eltype(grid)}.(size.(one_d_grids))