[erlang-questions] casting float to integer

[Håkan Stenholm]

Nitin Verma wrote:
> Hi All,
>
> I am looking for a function/BIF that can help me.
>
> Problem: I need a float number's floored integer. That is if:
> A = f(5/2), then A = 2 and
> A = f(1000/501), then A = 1
>
> I found 'round/1' but it just rounds-off .
>
> -- Nitin
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>
>   
see erlang.erl documentation:

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*|trunc(Number) -> int()|*

Types:

*|Number = number()|*

Returns an integer by the truncating |Number|.

> *trunc(5.5).*
5
        

Allowed in guard tests.