'this next if statement - just how it is. don't try to understand it because you won't. :)

这就是工作保障。

在一些非常蹩脚的vb代码(我知道这都是蹩脚的，但)，我发现这是一个空的if控制块中的注释，它说:

If bFound Then
     'I love it when I write kick ass code like this
Else
  .
  .

// THE LOOP THAT DO EVERYTHING!!!!!!!

从《雷神之锤III》的资料中，我在一些随机的帖子中偶然发现了这一点。该文件的完整源代码可以在这里找到。这是一种非常快速的求平方根倒数的方法。至于最好的评论呢?当然，这是一种常见的方法，但考虑到它附着在直线上，它的神奇之处在于它的伟大之处。

float Q_rsqrt( float number )
{
  long i;
  float x2, y;
  const float threehalfs = 1.5F;

  x2 = number * 0.5F;
  y  = number;
  i  = * ( long * ) &y;  // evil floating point bit level hacking
  i  = 0x5f3759df - ( i >> 1 ); // what the fuck?
  y  = * ( float * ) &i;
  y  = y * ( threehalfs - ( x2 * y * y ) ); // 1st iteration
  // y  = y * ( threehalfs - ( x2 * y * y ) ); // 2nd iteration, this can be removed

  #ifndef Q3_VM
  #ifdef __linux__
    assert( !isnan(y) ); // bk010122 - FPE?
  #endif
  #endif
  return y;
}

Exception up = new Exception("Something is really wrong.");
throw up;  //ha ha

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