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https://github.com/kalmarek/SmallHyperbolic
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add AcbVector
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@ -20,3 +20,61 @@ using Random
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import Base.rand
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rand(rng::AbstractRNG, rs::Random.SamplerTrivial{AcbField}) = (CC = rs[]; CC(rand(Float64), rand(Float64)))
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import Nemo.acb_struct
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const libarb = Nemo.libarb
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mutable struct AcbVector <: AbstractVector{acb_struct}
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ptr::Ptr{acb_struct}
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length::Int
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function AcbVector(n::Int)
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v = new(
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ccall((:_acb_vec_init, libarb), Ptr{acb_struct}, (Clong,), n),
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n,
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)
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finalizer(clear!, v)
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return v
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end
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end
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Base.cconvert(::Type{Ptr{acb_struct}}, acb_v::AcbVector) = acb_v.ptr
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Base.size(acb_v::AcbVector) = (acb_v.length,)
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function clear!(acb_v::AcbVector)
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ccall(
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(:_acb_vec_clear, libarb),
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Cvoid,
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(Ptr{acb_struct}, Clong),
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acb_v,
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length(acb_v),
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)
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end
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function (C::AcbField)(z::acb_struct)
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res = zero(C)
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ccall((:acb_set, libarb), Cvoid, (Ref{acb}, Ref{acb_struct}), res, z)
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return res
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end
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_get_ptr(acb_v::AcbVector, i::Int = 1) =
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acb_v.ptr + (i - 1) * sizeof(acb_struct)
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Base.@propagate_inbounds function Base.getindex(acb_v::AcbVector, i::Integer)
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@boundscheck checkbounds(acb_v, i)
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return unsafe_load(acb_v.ptr, i)
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end
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function AcbVector(v::AbstractVector{Nemo.acb})
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acb_v = AcbVector(length(v))
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for (i, val) in zip(eachindex(acb_v), v)
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ccall(
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(:acb_set, libarb),
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Cvoid,
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(Ptr{acb_struct}, Ref{Nemo.acb}),
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_get_ptr(acb_v, i),
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val,
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)
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end
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return acb_v
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end
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