On 8/22/07, Dave Korn <[EMAIL PROTECTED]> wrote: > float InvSqrt (float x){ > float xhalf = 0.5f*x; > int i = *(int*)&x;
You are violating C/C++ aliasing rules here anyways. > i = 0x5f3759df - (i>>1); > x = *(float*)&i; Likewise. So I guess you like to depend on undefined code :). -- Pinski