[erlang-questions] string:to_float/1 behavior

[Alexey Romanov]

Thank you!

Yours, Alexey Romanov



On Wed, Jan 12, 2011 at 8:20 PM, Serge Aleynikov <serge@REDACTED> wrote:
> It is a BIF.  Look here:
>
>        emulator/beam/bif.tab
>
> It does handle both "." and "," cases - this is hardcoded in the
> implementation.
>
> On 1/12/2011 10:11 AM, Alexey Romanov wrote:
>>
>> 1) Where can I find its source? It isn't defined in
>> lib/stdlib-1.17.1/src/string.erl. I thought it must be a BIF, but "ack
>> to_float /usr/local/lib/erlang/" doesn't seem to find anything
>> relevant. The full output is at https://gist.github.com/776256, but 1)
>> the only C function found is in
>> lib/erl_interface-3.7.1/src/legacy/erl_marshal.c; 2) the Erlang code
>> doesn't seem to define any mapping for this name.
>>
>> 2) The reason I went looking for its code is to check whether it is
>> guaranteed to deal with both "." and "," as decimal separators,
>> independent of locale? It does on my machine (with
>> LC_NUMERIC="en_US.UTF-8") but the string module documentation doesn't
>> say anything.
>>
>> Yours, Alexey Romanov
>>
>> ________________________________________________________________
>> erlang-questions (at) erlang.org mailing list.
>> See http://www.erlang.org/faq.html
>> To unsubscribe; mailto:erlang-questions-unsubscribe@REDACTED
>>
>
> ________________________________________________________________
> erlang-questions (at) erlang.org mailing list.
> See http://www.erlang.org/faq.html
> To unsubscribe; mailto:erlang-questions-unsubscribe@REDACTED
>
>