[erlang-questions] ASN.1 REAL type problem

Bertil Karlsson <>
Fri Jan 16 14:49:30 CET 2009


Hi,

There are no built in support to convert it to a float.
The asn1-application supports encode/decode of REAL type in base 2 and 10.
Base 10 is always decoded in character string format, according to ISO 6093.

/Bertil

Mikko Hämäläinen wrote:
> Hi,
>
> I've recently started learing erlang and I'm now testing the ASN.1
> support. I ran into a small problem with REAL types and hope that
> someone can help me.
>
> I have a C-program that sends a simple ASN.1 der encoded message to
> the erlang server. Strings and integers work fine but when the erlang
> server receives a REAL type, it decodes it into a tuple like
> {2626984072961113,2,-46} (mantissa, base, exponent perhaps?) instead
> of normal float type. Are there some further steps that I need to take
> to convert this tuple into a float?
>
> Thank you in advance,
> Mikko
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