int Port::isNan(double r)
{
#if __APPLE__
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
return __inline_isnand(r);
#else
return __inline_isnan(r);
#endif
#elif __HAIKU__ || __OpenBSD__
return isnan(r);
#else
#undef isnan
return ::isnan(r);
#endif
}
int
isnan(double d)
{
return __inline_isnand(d);
}
int __isnand( double x )
{
return __inline_isnand(x);
}
