<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 18 jul 2013, at 13:19, Schneider <<a href="mailto:js@globe.de">js@globe.de</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">yea, this should work. But It's looks like my Problem is a little bit more complicated:<br><br>I have a C client sending some Data via UDP. And I want to write a Erlang program receiving this data.<br><br>the Data is of the form {unsigned long, float} (both stored as 4Byte values) but the binary I receive is of the form {int, int}.<br>How can i convert the second one to an erlang float?<br><br></blockquote><div><br></div><div>If the data is sent on the same machine without endian handling (byte order) then you can match (binary) data like:</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span><<Long:32/unsigned-integer-native, Float:32/float-native>></div><div><br></div><div>You can change native to 'big' or 'little' if that byte order used. Files formats and network protocol mostly select</div><div>a byte order or flag it some how in the protocol specification. </div><div>Hint. For intel based machines little endian is used. PowerPC / M680xx are big endian.</div><div><br></div><div>/Tony</div><div><br></div><div><br></div><br><blockquote type="cite">bg,<br>Johannes<br><br>On Wed 17 Jul 2013 04:30:45 PM CEST, Wes James wrote:<br><blockquote type="cite">Alternative for now??<br><br>list_to_float(binary:bin_to_list(<<"10.0">>)).<br>10.0<br><br><br>On Wed, Jul 17, 2013 at 8:02 AM, Schneider <<a href="mailto:js@globe.de">js@globe.de</a><br><<a href="mailto:js@globe.de">mailto:js@globe.de</a>>> wrote:<br><br> Hi List,<br><br> I cannot find the function binary_to_float/1.<br><br> using Erlang R14B04 (erts-5.8.5) on ubuntu precise.<br> What do I miss?<br><br> bg,<br> Johannes<br><br> --<br> GLOBE Development GmbH<br> Königsberger Strasse 260<br> 48157 MünsterGLOBE Development GmbH<br> Königsberger Strasse 260<br> 48157 Münster<br> 0251/5205 390<br><br> _________________________________________________<br> erlang-questions mailing list<br> <a href="mailto:erlang-questions@erlang.org">erlang-questions@erlang.org</a> <<a href="mailto:erlang-questions@erlang.org">mailto:erlang-questions@erlang.org</a>><br> <a href="http://erlang.org/mailman/__listinfo/erlang-questions">http://erlang.org/mailman/__listinfo/erlang-questions</a><br> <<a href="http://erlang.org/mailman/listinfo/erlang-questions">http://erlang.org/mailman/listinfo/erlang-questions</a>><br><br><br></blockquote><br><br><br>--<br>GLOBE Development GmbH<br>Königsberger Strasse 260<br>48157 MünsterGLOBE Development GmbH<br>Königsberger Strasse 260<br>48157 Münster<br>0251/5205 390<br>_______________________________________________<br>erlang-questions mailing list<br><a href="mailto:erlang-questions@erlang.org">erlang-questions@erlang.org</a><br>http://erlang.org/mailman/listinfo/erlang-questions<br></blockquote></div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><div><span class="Apple-style-span" style="color: rgb(51, 51, 51); font-family: Geneva, Arial, Helvetica, sans-serif; font-size: 12px; ">"Installing applications can lead to corruption over time. </span><span class="Apple-style-span" style="color: rgb(51, 51, 51); font-family: Geneva, Arial, Helvetica, sans-serif; font-size: 12px; ">Applications gradually write over each other's libraries, partial upgrades occur, user and system errors happen, and minute changes may be unnoticeable and difficult to fix"</span></div><div><span class="Apple-style-span" style="color: rgb(51, 51, 51); font-family: Geneva, Arial, Helvetica, sans-serif; font-size: 12px; "><br></span></div></span><br class="Apple-interchange-newline">
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