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comparison src/SbpOperators/stencil.jl @ 595:03ef4d4740ab refactor/toml_operator_format

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Add a constructor for Stencil where you can specify the center of the stencil
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 02 Dec 2020 17:10:18 +0100
parents 4aa7fe13a984
children e14627e79a54
comparison
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594:cc86b920531a 595:03ef4d4740ab
4 4
5 function Stencil(range::Tuple{Int,Int},weights::NTuple{N,T}) where {T <: Real, N} 5 function Stencil(range::Tuple{Int,Int},weights::NTuple{N,T}) where {T <: Real, N}
6 @assert range[2]-range[1]+1 == N 6 @assert range[2]-range[1]+1 == N
7 new{T,N}(range,weights) 7 new{T,N}(range,weights)
8 end 8 end
9 end
10
11 """
12 Stencil(weights::NTuple; center::Int)
13
14 Create a stencil with the given weights with element `center` as the center of the stencil.
15 """
16 function Stencil(weights::NTuple; center::Int)
17 N = length(weights)
18 range = (1, N) .- center
19
20 return Stencil(range, weights)
9 end 21 end
10 22
11 """ 23 """
12 scale(s::Stencil, a) 24 scale(s::Stencil, a)
13 25