float Q_rsqrt(float number)
{
long i;
float x2, y;
const float threehalfs = 1.5F;
x2 = number * 0.5F;
y = number;
i = *(long*) &y;
i = 0x5f3759df - (i>>1);
y = *(float*)&i;
y = y * (threehalfs - (x2*y*y));
return y;
}
幹 又有一股黑色衝動
想要叫炸雞來吃..
寒冷的冬夜 就是要吃垃圾食物...
對ㄚ...