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Improve printing of rational number #58

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Improve printing of rational number #58

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7 changes: 7 additions & 0 deletions src/show.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,13 @@ __needs_parens(a::AlgebraElement) = true
# We could add a check with `showable` if a `Real` subtype supports it and
# the feature is requested.
print_coefficient(io::IO, ::MIME, coeff::Real) = print(io, coeff)
function print_coefficient(io::IO, ::MIME"text/latex", coeff::Rational)
print(io, "\\frac{")
print(io, coeff.num)
print(io, "}{")
print(io, coeff.den)
print(io, "}")
end
# Scientific notation does not display well in LaTeX so we rewrite it
function print_coefficient(io::IO, ::MIME"text/latex", coeff::AbstractFloat)
s = string(coeff)
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