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Add and test 2-arg complex #172

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Nov 10, 2024
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Add and test 2-arg complex #172

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3 changes: 3 additions & 0 deletions src/tensors/tensor.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -392,6 +392,9 @@ function Base.complex(t::AbstractTensorMap)
return copy!(similar(t, complex(scalartype(t))), t)
end
end
function Base.complex(r::AbstractTensorMap{<:Real}, i::AbstractTensorMap{<:Real})
return add(r, i, im * one(scalartype(i)))
end

# Conversion between TensorMap and Dict, for read and write purpose
#------------------------------------------------------------------
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17 changes: 15 additions & 2 deletions test/tensors.jl
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Expand Up @@ -185,8 +185,21 @@ for V in spacelist
W = V1 ⊗ V2
for T in (Float64, ComplexF64, ComplexF32)
t = @constinferred randn(T, W, W)
@test real(convert(Array, t)) == convert(Array, @constinferred real(t))
@test imag(convert(Array, t)) == convert(Array, @constinferred imag(t))

tr = @constinferred real(t)
@test scalartype(tr) <: Real
@test real(convert(Array, t)) == convert(Array, tr)

ti = @constinferred imag(t)
@test scalartype(ti) <: Real
@test imag(convert(Array, t)) == convert(Array, ti)

tc = @inferred complex(t)
@test scalartype(tc) <: Complex
@test complex(convert(Array, t)) == convert(Array, tc)

tc2 = @inferred complex(tr, ti)
@test tc2 ≈ tc
end
end
end
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