ref: d347f48f5ee550b901d0cdba4779f2ebd11b0c73
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;
}