static EAS_U8 ConvertQ (EAS_I32 q)
{

 /* apply limits */
 if (q <= 0)
 return 0;

 /* convert to table index */
 /*lint -e{704} use shift for performance */
    q = (FILTER_Q_CONVERSION_FACTOR * q + 0x4000) >> 15;

 /* apply upper limit */
 if (q >= FILTER_RESONANCE_NUM_ENTRIES)
        q = FILTER_RESONANCE_NUM_ENTRIES - 1;
 return (EAS_U8) q;
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.