Quaternion type: Difference between revisions
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Line 2,789:
convert{T}(::Type{Quaternion{T}}, x::Real) =
Quaternion(convert(T,x), convert(T,0), convert(T,0), convert(T,0))
convert{T}(::Type{Quaternion{T}}, z::Complex) =
Quaternion(convert(T,real(z)), convert(T,imag(z)), convert(T,0), convert(T,0))
convert{T}(::Type{Quaternion{T}}, z::Quaternion) =
Quaternion(convert(T,z.q0), convert(T,z.q1),
Line 2,804 ⟶ 2,802:
function show(io::IO, z::Quaternion)
pm(x) = x < 0 ? " - $(-x)" : " + $x"
print(io, z.q0, pm(z.q1), "i", pm(z.q2), "j", pm(z.q3), "k")
end
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