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Revision as of 13:16, 29 January 2018

77 bytes removed ,  6 years ago
→‎{{header|Julia}}
(promoted to (full) task status.)
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=={{header|Julia}}==
{{works with|Julia|0.6}}
Entropy function copied from [[Entropy#Julia]].
 
<lang julia>using DataStructures
entropy(s) = -sum(x -> x / length(s) * log2(x / length(s)), values(counter(s)))
function entropy(c)
# counts elements
elements = counter(eltype(c))
for e in c push!(elements, e) end
l = length(c)
return -sum(cnt / l * log2(cnt / l) for cnt in values(elements))
end
 
println("self-entropy: ", entropy(readstring(Base.source_path())))</lang>
 
{{out}}
<pre>self-entropy: 4.6320892134497828684243451359706</pre>
 
=={{header|Kotlin}}==
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