On 02/08/2010, Henri Verbeet <hverb...@gmail.com> wrote: > On 2 August 2010 13:20, GOUJON Alexandre <ale.gou...@gmail.com> wrote: > > Why don't you use math.h NAN macro ? > > A quick search on google gave me > > http://www.gnu.org/software/libc/manual//html_node/Infinity-and-NaN.html > > > > That's not portable enough. >
The INFINITY macro is part of C99, but for NaN, why not use something like sqrt(-1) ?
