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module Millepede
import ..CrystFEL: libcrystfel
export Mille
mutable struct InternalMille end
mutable struct Mille
internalptr::Ptr{InternalMille}
end
"""
Mille(filename)
Creates a new "Mille" object, which can be passed to `CrystFEL.Indexing.index()`
to accumulate detector geometry alignment information in the specified file.
When you've finished adding data, call `close()` on the Mille object. This will
be done automatically when the object is freed by the garbage collector, but
that might not happen until Julia exits.
Corresponds to CrystFEL C API routine `crystfel_mille_new`.
"""
function Mille(filename::AbstractString)
out = @ccall libcrystfel.crystfel_mille_new(filename::Cstring)::Ptr{InternalMille}
if out == C_NULL
throw(ArgumentError("Failed to create Millepede object"))
end
finalizer(close, Mille(out))
end
function Base.close(x::Mille)
if x.internalptr != C_NULL
@ccall libcrystfel.crystfel_mille_free(x.internalptr::Ptr{InternalMille})::Cvoid
x.internalptr = C_NULL
end
end
end # of module
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