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move and rename eltype conversion #430

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Merged
merged 1 commit into from
Mar 7, 2025
Merged

move and rename eltype conversion #430

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15 changes: 4 additions & 11 deletions ext/QuantumToolboxCUDAExt.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ module QuantumToolboxCUDAExt

using QuantumToolbox
using QuantumToolbox: makeVal, getVal
import QuantumToolbox: _sparse_similar
import QuantumToolbox: _sparse_similar, _convert_eltype_wordsize
import CUDA: cu, CuArray, allowscalar
import CUDA.CUSPARSE: CuSparseVector, CuSparseMatrixCSC, CuSparseMatrixCSR, AbstractCuSparseArray
import SparseArrays: SparseVector, SparseMatrixCSC
Expand Down Expand Up @@ -81,27 +81,20 @@ function cu(A::QuantumObject; word_size::Union{Val,Int} = Val(64))

return cu(A, makeVal(word_size))
end
cu(A::QuantumObject, word_size::Union{Val{32},Val{64}}) = CuArray{_change_eltype(eltype(A), word_size)}(A)
cu(A::QuantumObject, word_size::Union{Val{32},Val{64}}) = CuArray{_convert_eltype_wordsize(eltype(A), word_size)}(A)
function cu(
A::QuantumObject{ObjType,DimsType,<:SparseVector},
word_size::Union{Val{32},Val{64}},
) where {ObjType<:QuantumObjectType,DimsType<:AbstractDimensions}
return CuSparseVector{_change_eltype(eltype(A), word_size)}(A)
return CuSparseVector{_convert_eltype_wordsize(eltype(A), word_size)}(A)
end
function cu(
A::QuantumObject{ObjType,DimsType,<:SparseMatrixCSC},
word_size::Union{Val{32},Val{64}},
) where {ObjType<:QuantumObjectType,DimsType<:AbstractDimensions}
return CuSparseMatrixCSC{_change_eltype(eltype(A), word_size)}(A)
return CuSparseMatrixCSC{_convert_eltype_wordsize(eltype(A), word_size)}(A)
end

_change_eltype(::Type{T}, ::Val{64}) where {T<:Int} = Int64
_change_eltype(::Type{T}, ::Val{32}) where {T<:Int} = Int32
_change_eltype(::Type{T}, ::Val{64}) where {T<:AbstractFloat} = Float64
_change_eltype(::Type{T}, ::Val{32}) where {T<:AbstractFloat} = Float32
_change_eltype(::Type{Complex{T}}, ::Val{64}) where {T<:Union{Int,AbstractFloat}} = ComplexF64
_change_eltype(::Type{Complex{T}}, ::Val{32}) where {T<:Union{Int,AbstractFloat}} = ComplexF32

QuantumToolbox.to_dense(A::MT) where {MT<:AbstractCuSparseArray} = CuArray(A)

QuantumToolbox.to_dense(::Type{T1}, A::CuArray{T2}) where {T1<:Number,T2<:Number} = CuArray{T1}(A)
Expand Down
7 changes: 7 additions & 0 deletions src/utilities.jl
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Expand Up @@ -190,3 +190,10 @@ _CType(::Type{Complex{Int32}}) = ComplexF32
_CType(::Type{Complex{Int64}}) = ComplexF64
_CType(::Type{Complex{Float32}}) = ComplexF32
_CType(::Type{Complex{Float64}}) = ComplexF64

_convert_eltype_wordsize(::Type{T}, ::Val{64}) where {T<:Int} = Int64
_convert_eltype_wordsize(::Type{T}, ::Val{32}) where {T<:Int} = Int32
_convert_eltype_wordsize(::Type{T}, ::Val{64}) where {T<:AbstractFloat} = Float64
_convert_eltype_wordsize(::Type{T}, ::Val{32}) where {T<:AbstractFloat} = Float32
_convert_eltype_wordsize(::Type{Complex{T}}, ::Val{64}) where {T<:Union{Int,AbstractFloat}} = ComplexF64
_convert_eltype_wordsize(::Type{Complex{T}}, ::Val{32}) where {T<:Union{Int,AbstractFloat}} = ComplexF32
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