Convert float to int in Julia Lang

I think you are looking for floor:

julia> x = 1.23455
1.23455

julia> floor(x)
1.0

julia> y = x - floor(x)
0.23455000000000004

Combining the previous answers:

julia> int(x) = floor(Int, x)
int (generic function with 1 method)

julia> int(3.14)
3

julia> int(3.94)
3

It is possible that you are looking for trunc. It depends on what you mean by the decimal part. This is the difference between trunc and floor:

julia> trunc(Int, 1.2)
1

julia> trunc(Int, -1.2)
-1

julia> floor(Int, 1.2)
1

julia> floor(Int, -1.2)
-2

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