// Turn on C99 for .hc code. This gives us the INFINITY and NAN
// constants from math.h, which we occasionally need to use in .hc (#1861)
# define _ISOC99_SOURCE
// Turn on C99 for .hc code. This gives us the INFINITY and NAN
// constants from math.h, which we occasionally need to use in .hc (#1861)
# define _ISOC99_SOURCE