title: Negative infinity
body: <p>I'm trying to figure out how to assign the value of negative infinity to a float or double variable. It seems that including the standard library limits, I can get the infinity representation, and I know (quite surely) that adding a minus in front of that (-infinity) might result in the value I'm looking for in the IEEE754 floating point standard (as 0x7FFFFFFF might result on 0xFFFFFFFF), but I'm not even sure about that, not to mention other standards that might be out there (If there are any). I find it really, really unprofessional and implementation dependant.</p>
  
  <p>Is there a good way to get the value of negative infinity platform and implementation independently, of course, otherwise I might just as well use a #define, everybody likes preprocessing.</p>