:us-foreign-policy: of language. Exactly the debatelord redditism you'd expect

"Look at this cool new tool we invented for understanding math, and grades are improved greatly :)"

"No fuck you that's the wrong way to do numbers! Won't anyone think of the times tables? :rage-cry:"

  • StewartCopelandsDad [he/him]
    ·
    edit-2
    2 years ago
    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
    
    	return y;
    }
    

    you've already mastered long division I don't see why you're having so much trouble with this. if you did your homework every day you wouldn't have to study so hard for the test!