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Backend token/struct API for AbstractFFTs #72

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Backend token/struct API for AbstractFFTs #72

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3 changes: 3 additions & 0 deletions src/FFTA.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -9,5 +9,8 @@ include("callgraph.jl")
include("algos.jl")
include("plan.jl")

function __init__()
activate!()
end

end
14 changes: 10 additions & 4 deletions src/plan.jl
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Original file line number Diff line number Diff line change
@@ -1,6 +1,12 @@
import Base: *
import LinearAlgebra: mul!

export FFTABackend
struct FFTABackend <: AbstractFFTBackend end
backend() = FFTABackend()
activate!() = AbstractFFTs.set_active_backend!(FFTA)


abstract type FFTAPlan{T,N} <: Plan{T} end

struct FFTAInvPlan{T,N} <: FFTAPlan{T,N} end
Expand All @@ -20,7 +26,7 @@ struct FFTAPlan_re{T,N} <: FFTAPlan{T,N}
flen::Int
end

function AbstractFFTs.plan_fft(x::AbstractArray{T}, region; kwargs...)::FFTAPlan_cx{T} where {T <: Complex}
function AbstractFFTs.plan_fft(::FFTABackend, x::AbstractArray{T}, region; kwargs...)::FFTAPlan_cx{T} where {T <: Complex}
N = length(region)
@assert N <= 2 "Only supports vectors and matrices"
if N == 1
Expand All @@ -36,7 +42,7 @@ function AbstractFFTs.plan_fft(x::AbstractArray{T}, region; kwargs...)::FFTAPlan
end
end

function AbstractFFTs.plan_bfft(x::AbstractArray{T}, region; kwargs...)::FFTAPlan_cx{T} where {T <: Complex}
function AbstractFFTs.plan_bfft(::FFTABackend, x::AbstractArray{T}, region; kwargs...)::FFTAPlan_cx{T} where {T <: Complex}
N = length(region)
@assert N <= 2 "Only supports vectors and matrices"
if N == 1
Expand All @@ -52,7 +58,7 @@ function AbstractFFTs.plan_bfft(x::AbstractArray{T}, region; kwargs...)::FFTAPla
end
end

function AbstractFFTs.plan_rfft(x::AbstractArray{T}, region; kwargs...)::FFTAPlan_re{Complex{T}} where {T <: Real}
function AbstractFFTs.plan_rfft(::FFTABackend, x::AbstractArray{T}, region; kwargs...)::FFTAPlan_re{Complex{T}} where {T <: Real}
N = length(region)
@assert N <= 2 "Only supports vectors and matrices"
if N == 1
Expand All @@ -68,7 +74,7 @@ function AbstractFFTs.plan_rfft(x::AbstractArray{T}, region; kwargs...)::FFTAPla
end
end

function AbstractFFTs.plan_brfft(x::AbstractArray{T}, len, region; kwargs...)::FFTAPlan_re{T} where {T}
function AbstractFFTs.plan_brfft(::FFTABackend, x::AbstractArray{T}, len, region; kwargs...)::FFTAPlan_re{T} where {T}
N = length(region)
@assert N <= 2 "Only supports vectors and matrices"
if N == 1
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