ref: 6f09b2eb26e06e6a42f1a06067450e1989d35a8f dir: /libnpe/lrintf.c/
#include <math.h> int lrintf(float f) { int i; *((float*)&i) = f + 12582912.0f; return (i & 0x7fffff) - 0x400000; }