ref: 4b95f4f4f1f3caae8e09e16f9bcd4af303a33a8b dir: /lrint.c/
int lrintf(float f) { int i; *((float*)&i) = f + 12582912.0f; return (i & 0x7fffff) - 0x400000; } long lrint(double d) { long long l; *((double*)&l) = d + 6755399441055744.0; return l; }