sparse-ir-capi 0.8.4

C API for SparseIR Rust implementation
Documentation 
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### A Pluto.jl notebook ###
# v0.20.19

using Markdown
using InteractiveUtils

# ╔═╡ 241d9650-bf6c-11f0-a388-39fe8a039b7e
begin
	using SparseIR
	using Libdl: dlext
	# Load the shared library"
	const libpath = "../../target/debug/libsparse_ir_capi.$(dlext)"
end

# ╔═╡ 1758e5e0-1908-4b30-8e86-329f979b1e0e
pkgversion(SparseIR)

# ╔═╡ 6c6f6202-02a9-416b-ba6b-4f718a42bd5d
begin
	# Opaque type
	mutable struct spir_kernel end
	"""
	Create a Logistic kernel
	"""
	function kernel_logistic_new(lambda::Float64)
	    status = Ref{Int32}(0)
	    kernel = ccall(
	        (:spir_logistic_kernel_new, libpath),
	        Ptr{spir_kernel},
	        (Float64, Ref{Int32}),
	        lambda, status
	    )
	
	    if kernel == C_NULL
	        error("Failed to create kernel: status = $(status[])")
	    end
	
	    return kernel
	end
	
	kernel = kernel_logistic_new(10.0)
end

# ╔═╡ 25d100cd-bcc1-446e-a14d-79e1ee8ccb33
begin
	# Create basis
	status_basis = Ref{Int32}(0)
	basis = ccall(
	    (:spir_basis_new, libpath),
	    Ptr{Cvoid},
	    (Int32, Float64, Float64, Float64, Ptr{Cvoid}, Ptr{Cvoid}, Int32, Ref{Int32}),
	    1,      # Fermionic
	    10.0,   # beta
	    1.0,    # omega_max
	    1e-6,   # epsilon
	    kernel, # kernel
	    C_NULL, # sve (will compute)
	    -1,     # max_size
	    status_basis
	)
end

# ╔═╡ 2b548ca0-069f-478d-90b4-ad16e93497b8
begin
	status_v = Ref{Int32}(0)
	v_funcs = ccall(
	    (:spir_basis_get_v, libpath),
	    Ptr{Cvoid},
	    (Ptr{Cvoid}, Ref{Int32}),
	    basis, status_v
	)
end

# ╔═╡ 76f6ffb2-69ef-4c84-8dac-3e92e570b3fa
let
	status_uhat = Ref{Int32}(0)
	uhat_funcs = ccall(
	    (:spir_basis_get_uhat, libpath),
	    Ptr{Cvoid},
	    (Ptr{Cvoid}, Ptr{Int32}),
	    basis, status_uhat
	)
	println(status_uhat[])

	uhat_size = Ref{Int32}(0)
	ccall(
		(:spir_funcs_get_size, libpath),
		Cint,
		(Ptr{Cvoid}, Ptr{Cint}),
		uhat_funcs, uhat_size
	)
	uhat_size[]
end

# ╔═╡ bf89ff80-c6ab-4375-901d-3714229c6a60
let
	status_uhat_full = Ref{Int32}(0)
	uhat_full_funcs = ccall(
	    (:spir_basis_get_uhat_full, libpath),
	    Ptr{Cvoid},
	    (Ptr{Cvoid}, Ptr{Int32}),
	    basis, status_uhat_full
	)
	println(status_uhat_full[])

	uhat_full_size = Ref{Int32}(0)
	ccall(
		(:spir_funcs_get_size, libpath),
		Cint,
		(Ptr{Cvoid}, Ptr{Cint}),
		uhat_full_funcs, uhat_full_size
	)
	uhat_full_size[]
end

# ╔═╡ 91eeba52-05fc-4faf-b6c1-eb3d297a0e2b
length(FiniteTempBasis{Fermionic}(10.0, 1.0, 1e-6, kernel=LogisticKernel(10.)).uhat)

# ╔═╡ 071e7e32-c8f8-4046-9547-ac33cc475c7e
length(FiniteTempBasis{Fermionic}(10.0, 1.0, 1e-6, kernel=LogisticKernel(10.)).uhat_full)

# ╔═╡ 00000000-0000-0000-0000-000000000001
PLUTO_PROJECT_TOML_CONTENTS = """
[deps]
Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
SparseIR = "4fe2279e-80f0-4adb-8463-ee114ff56b7d"

[compat]
SparseIR = "~1.1.4"
"""

# ╔═╡ 00000000-0000-0000-0000-000000000002
PLUTO_MANIFEST_TOML_CONTENTS = """
# This file is machine-generated - editing it directly is not advised

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[[deps.OrderedCollections]]
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version = "1.8.1"

[[deps.PrecompileTools]]
deps = ["Preferences"]
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[[deps.Printf]]
deps = ["Unicode"]
uuid = "de0858da-6303-5e67-8744-51eddeeeb8d7"
version = "1.11.0"

[[deps.QuadGK]]
deps = ["DataStructures", "LinearAlgebra"]
git-tree-sha1 = "9da16da70037ba9d701192e27befedefb91ec284"
uuid = "1fd47b50-473d-5c70-9696-f719f8f3bcdc"
version = "2.11.2"

    [deps.QuadGK.extensions]
    QuadGKEnzymeExt = "Enzyme"

    [deps.QuadGK.weakdeps]
    Enzyme = "7da242da-08ed-463a-9acd-ee780be4f1d9"

[[deps.Random]]
deps = ["SHA"]
uuid = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
version = "1.11.0"

[[deps.SHA]]
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version = "0.7.0"

[[deps.SIMD]]
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deps = ["Artifacts", "Libdl"]
uuid = "8e850b90-86db-534c-a0d3-1478176c7d93"
version = "5.15.0+0"
"""

# ╔═╡ Cell order:
# ╠═241d9650-bf6c-11f0-a388-39fe8a039b7e
# ╠═1758e5e0-1908-4b30-8e86-329f979b1e0e
# ╠═25d100cd-bcc1-446e-a14d-79e1ee8ccb33
# ╠═6c6f6202-02a9-416b-ba6b-4f718a42bd5d
# ╠═2b548ca0-069f-478d-90b4-ad16e93497b8
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# ╠═91eeba52-05fc-4faf-b6c1-eb3d297a0e2b
# ╠═071e7e32-c8f8-4046-9547-ac33cc475c7e
# ╟─00000000-0000-0000-0000-000000000001
# ╟─00000000-0000-0000-0000-000000000002