ref: ba4b0723d9e6d6ec72ca54016a932e72fbae46f7
dir: /libnpe/fmax.c/
#include <math.h> /* taken from musl */ #define _sign(d) (*((u64int*)d) & (1ULL<<63)) double fmax(double x, double y) { if(isNaN(x)) return y; if(isNaN(y)) return x; if(_sign(&x) != _sign(&y)) return _sign(&x) ? y : x; return x < y ? y : x; }