[CoD4] Missing function

[BlancO]

There is a problem with:

std/math.gsc

		intsqrt(input)
{
    output = 0;
    while(output * output < input)
        output++;
    if(maps\mp\_utility::abs(input - output * output) > maps\mp\_utility::abs(input - (output - 1) * (output - 1)))
        output--;
    return output;
} 
	

console_log.mp

Error: 
******* script compile error *******
Error: unknown function: (file 'std/math.gsc', line 69)
 if(maps\mp\_utility::abs(input - output * output) > maps\mp\_utility::abs(input - (output - 1) * (output - 1)))
    *
************************************
      dvar set cl_paused 0
      dvar set com_errorMessage script compile error
unknown function
 if(maps\mp\_utility::abs(input - output * output) > maps\mp\_utility::abs(input - (output - 1) * (output - 1)))
(see console for details)

********************
ERROR: script compile error
unknown function
 if(maps\mp\_utility::abs(input - output * output) > maps\mp\_utility::abs(input - (output - 1) * (output - 1)))
(see console for details)

********************

If this is proper abs function:

		abs (num)
{
    if (num < 0)
        num*= -1;
        
    return num;
} 
	

I always get ping = 0 and IP = 0.