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Levenshtein distance/Alignment: Difference between revisions
Added Julia language
(Added Kotlin) |
(Added Julia language) |
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raisethysword
</pre>
=={{header|Julia}}==
{{works with|Julia|0.6}}
{{trans|Java}}
<lang julia>function levenshteinalign(a::AbstractString, b::AbstractString)
a = lowercase(a)
b = lowercase(b)
len_a = length(a)
len_b = length(b)
costs = Matrix{Int}(len_a + 1, len_b + 1)
costs[1, :] .= 0:len_b
@inbounds for i in 2:(len_a + 1)
costs[i, 1] = i
for j in 2:(len_b + 1)
tmp = ifelse(a[i-1] == b[j-1], costs[i-1, j-1], costs[i-1, j-1] + 1)
costs[i, j] = min(1 + min(costs[i-1, j], costs[i, j-1]), tmp)
end
end
apathrev = IOBuffer()
bpathrev = IOBuffer()
local i = len_a + 1
local j = len_b + 1
@inbounds while i != 1 && j != 1
tmp = ifelse(a[i-1] == b[j-1], costs[i-1, j-1], costs[i-1, j-1] + 1)
if costs[i, j] == tmp
i -= 1
j -= 1
print(apathrev, a[i])
print(bpathrev, b[j])
elseif costs[i, j] == 1 + costs[i-1, j]
i -= 1
print(apathrev, a[i])
print(bpathrev, '-')
elseif costs[i, j] == 1 + costs[i, j-1]
j -= 1
print(apathrev, '-')
print(bpathrev, b[j])
end
end
return reverse(String(take!(apathrev))), reverse(String(take!(bpathrev)))
end
foreach(println, levenshteinalign("rosettacode", "raisethysword"))
foreach(println, levenshteinalign("place", "palace"))</lang>
{{out}}
<pre>r-oset-tacode
raisethysword
p-lace
palace</pre>
=={{header|Kotlin}}==
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