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Add S keyword to DCT and DST operators (currently don't seem to be su… #20

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Merged
nHackel merged 1 commit into from
Feb 11, 2026
Merged

Add S keyword to DCT and DST operators (currently don't seem to be su… #20

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4 changes: 2 additions & 2 deletions ext/LinearOperatorFFTWExt/DCTOp.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -32,9 +32,9 @@ returns a `DCTOpImpl <: AbstractLinearOperator` which performs a DCT on a given
* `shape::Tuple` - size of the array to transform
* `dcttype` - type of DCT (currently `2` and `4` are supported)
"""
function LinearOperatorCollection.DCTOp(T::Type; shape::Tuple, dcttype=2)
function LinearOperatorCollection.DCTOp(T::Type; shape::Tuple, S = Array{T}, dcttype=2)

tmp=Array{T}(undef, shape)
tmp=similar(S(undef, 0), shape...)
if dcttype == 2
plan = plan_dct!(tmp)
iplan = plan_idct!(tmp)
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4 changes: 2 additions & 2 deletions ext/LinearOperatorFFTWExt/DSTOp.jl
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Expand Up @@ -31,8 +31,8 @@ returns a `LinearOperator` which performs a DST on a given input array.
* `T::Type` - type of the array to transform
* `shape::Tuple` - size of the array to transform
"""
function LinearOperatorCollection.DSTOp(T::Type; shape::Tuple)
tmp=Array{T}(undef, shape)
function LinearOperatorCollection.DSTOp(T::Type; shape::Tuple, S = Array{T})
tmp=similar(S(undef, 0), shape...)

plan = FFTW.plan_r2r!(tmp,FFTW.RODFT10)
iplan = FFTW.plan_r2r!(tmp,FFTW.RODFT01)
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