Re: test for nan ...John Hunter wrote: ... > I have a C extension module that is returning some doubles.... > doubles get out of range, the numbers print as 'nan'....Peter Maas, M+R Infosysteme, D-52070 Aachen, Hubert-Wienen-Str. ... (comp.lang.python)
Re: equality and null pointers ... fundamental meaning of NaN?... at least when you want to use Doubles as hash table keys.... (comp.lang.java.programmer)
Re: Meaning of Double.Epsilon ... >> sort an array of doubles (at least with generics, ... > NaN is just for that purpose: If a value is NaN it stays NaN even if used ... like these have to be values that cannot be result of a calculation....converting it to an int will throw an ... (microsoft.public.dotnet.languages.csharp)
Re: Infinite loop ...infinite loop and I don't quite understand why. ... But because floating point arithmetic on computers is practically never precise, *never* compare floats or doubles with ==, in your case, you would certainly miss your end criterion by some small epsilon and march on through number space. ... (comp.lang.c)
test for nan ... I have a C extension module that is returning some doubles.... the numbers print as 'nan'....John Hunter... (comp.lang.python)
