1430     float flog_ber;  in CALCULATE_SQI()  local
1434     flog_ber = (float)log10((double)fber);  in CALCULATE_SQI()
1437         flog_ber = (float)(-1.0*Log10Approx((double)(1.0 / fber)));  in CALCULATE_SQI()
1439         flog_ber = -8.0;//when fber=0 means u16SQI=100  in CALCULATE_SQI()
1442     if (flog_ber <= ( - 7.0))  in CALCULATE_SQI()
1446     else if (flog_ber < -6.0)  in CALCULATE_SQI()
1448         u16SQI = (90+((( - 6.0) - flog_ber) / (( - 6.0) - ( - 7.0))*(100-90)));  in CALCULATE_SQI()
1450     else if (flog_ber < -5.5)  in CALCULATE_SQI()
1452         u16SQI = (80+((( - 5.5) - flog_ber) / (( - 5.5) - ( - 6.0))*(90-80)));  in CALCULATE_SQI()
1454     else if (flog_ber < -5.0)  in CALCULATE_SQI()
1456         u16SQI = (70+((( - 5.0) - flog_ber) / (( - 5.0) - ( - 5.5))*(80-70)));  in CALCULATE_SQI()
1458     else if (flog_ber < -4.5)  in CALCULATE_SQI()
1460         u16SQI = (60+((( - 4.5) - flog_ber) / (( -4.5) - ( - 5.0))*(70-50)));  in CALCULATE_SQI()
1462     else if (flog_ber < -4.0)  in CALCULATE_SQI()
1464         u16SQI = (50+((( - 4.0) - flog_ber) / (( - 4.0) - ( - 45))*(60-50)));  in CALCULATE_SQI()
1466     else if (flog_ber < -3.5)  in CALCULATE_SQI()
1468         u16SQI = (40+((( - 3.5) - flog_ber) / (( - 3.5) - ( - 4.0))*(50-40)));  in CALCULATE_SQI()
1470     else if (flog_ber < -3.0)  in CALCULATE_SQI()
1472         u16SQI = (30+((( - 3.0) - flog_ber) / (( - 3.0) - ( - 3.5))*(40-30)));  in CALCULATE_SQI()
1474     else if (flog_ber < -2.5)  in CALCULATE_SQI()
1476         u16SQI = (20+((( - 2.5) - flog_ber) / (( - 2.5) - ( -3.0))*(30-20)));  in CALCULATE_SQI()
1478     else if (flog_ber < -2.0)  in CALCULATE_SQI()
1480         u16SQI = (0+((( - 2.0) - flog_ber) / (( - 2.0) - ( - 2.5))*(20-0)));  in CALCULATE_SQI()