Ok, and then the final step is the bits.test(bar,0). I spent a couple of minutes searching the web but could not find docs for the bits.test function. I assume bits.test(oddnumber,0) returns 1 and something else for even numbers, presumably 0?
Jari - learning Nasal On 1/29/10 2:34 AM, Ron Jensen wrote: > On Thu, 2010-01-28 at 21:59 +0100, Jari Häkkinen wrote: >> For me the Nasal function looks strange. I can't understand what the >> addition of 0.001 to freq does? For me it seems to be a waste of >> precious CPU time. >> >> >> Jari > > var bar=int((freq+0.001)*10)-int(freq)*10; > > The 0.001 ensures we get the proper number since 'int' truncates and > doesn't round. > > For example, 111.70 is stored internally as 111.69999... since base 2 > and base 10 don't play well together below the decimal point. > > int((111.699999...)*10) returns 1116 when what was expected and desired > was 1117. > > 0.001 is large enough to correct the result but small enough not to push > us to the next station, station spacing is assumed at 0.05. (The same > problem exists in C++.) > > Ron > > > > ------------------------------------------------------------------------------ > The Planet: dedicated and managed hosting, cloud storage, colocation > Stay online with enterprise data centers and the best network in the business > Choose flexible plans and management services without long-term contracts > Personal 24x7 support from experience hosting pros just a phone call away. > http://p.sf.net/sfu/theplanet-com > _______________________________________________ > Flightgear-devel mailing list > Flightgear-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/flightgear-devel ------------------------------------------------------------------------------ The Planet: dedicated and managed hosting, cloud storage, colocation Stay online with enterprise data centers and the best network in the business Choose flexible plans and management services without long-term contracts Personal 24x7 support from experience hosting pros just a phone call away. http://p.sf.net/sfu/theplanet-com _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
