Calculations in condata plugin

Recently i’ve taken some code from this plugin to my flhook (based on 1.5.5 version), and noticed strange lines:```
ConData[iClientID].iPingFluctuation +=
(uint)sqrt((double)pow(((float)(*it) - (float)iLastPing),2));

int iDiff = (int)sqrt(pow((long double)((int)iTimeDiff - (int)iTimestampDiff),2));
Math never was my strong point, but why using this long float expressions instead of fast
iFluct = abs((*it) - iLastPing);

**edit**:```
EXPORT void __stdcall SPObjUpdate(struct SSPObjUpdateInfo const &ui, unsigned int iClientID)
{
	returncode = DEFAULT_RETURNCODE;

	// lag detection
	IObjInspectImpl *ins = HkGetInspect(iClientID);
	if(!ins)
		return; // ??? 8[

<...>
}
```Is this code nessesary?
Just want to optimize everything that can be optimized ;D

And what about the second, HkGetInspect call?