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Determine underlying Integer type for CachedFunction and support up t… #12

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Merged
shinaoka merged 1 commit into from
May 15, 2025
Merged

Determine underlying Integer type for CachedFunction and support up t… #12

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6 changes: 4 additions & 2 deletions Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,20 +4,22 @@ authors = ["Ritter.Marc <[email protected]>, Hiroshi Shinaoka <
version = "0.7.0"

[deps]
BitIntegers = "c3b6d118-76ef-56ca-8cc7-ebb389d030a1"
LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
QuanticsGrids = "634c7f73-3e90-4749-a1bd-001b8efc642d"
TensorCrossInterpolation = "b261b2ec-6378-4871-b32e-9173bb050604"

[compat]
BitIntegers = "0.3.5"
QuanticsGrids = "0.3"
TensorCrossInterpolation = "0.9"
TensorCrossInterpolation = "0.9.16"
julia = "1.6"

[extras]
Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
Glob = "c27321d9-0574-5035-807b-f59d2c89b15c"
JET = "c3a54625-cd67-489e-a8e7-0a5a0ff4e31b"
Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
Glob = "c27321d9-0574-5035-807b-f59d2c89b15c"
Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

[targets]
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5 changes: 5 additions & 0 deletions src/QuanticsTCI.jl
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Expand Up @@ -10,6 +10,11 @@ import Base: sum
export quanticscrossinterpolate, evaluate, sum, integral
export cachedata, quanticsfouriermpo

import BitIntegers
import BitIntegers: UInt256, UInt512, UInt1024

BitIntegers.@define_integers 2048 MyInt2048 MyUInt2048

include("tciinterface.jl")
include("fouriertransform.jl")

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17 changes: 16 additions & 1 deletion src/tciinterface.jl
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Expand Up @@ -87,7 +87,22 @@ function quanticscrossinterpolate(
? q -> f(only(QG.quantics_to_origcoord(grid, q)))
: q -> f(QG.quantics_to_origcoord(grid, q)...))

qf = TCI.CachedFunction{ValueType}(qf_, qlocaldimensions)
maxlinearindex = prod(BigInt.(qlocaldimensions))
if maxlinearindex < typemax(UInt256)
keytype = UInt256
elseif maxlinearindex < typemax(UInt512)
keytype = UInt512
elseif maxlinearindex < typemax(UInt1024)
keytype = UInt1024
elseif maxlinearindex < typemax(MyUInt2048)
keytype = MyUInt2048
else
keytype = BigInt
end
if keytype === BigInt
@warn "Using BigInt as key type. This will lead to significant memory usage and performance degradation."
end
qf = TCI.CachedFunction{ValueType, keytype}(qf_, qlocaldimensions)

qinitialpivots = (initialpivots === nothing
? [ones(Int, length(qlocaldimensions))]
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