On Thu, Mar 03, 2016 at 10:58:48AM +0100, Mateusz Loskot wrote: > However, we should be able to rely on that any C++11 compliant toolset > seeing #include <cmath> makes std::nan and std::isfinite available. And then what about OS/X and solaris ? What would you think about removing all the many conditionals and: #define ISNAN(x) ((x)!=(x)) --strk;