ls (4,5) and (6,7)
                    if (%d <= 3 || t < thresholds1_7.z) {
                        %s s = scale[2]; b = bias[2];
                    } else {
                        %s s = scale[3]; b = bias[3];
                    }
                }
            } else {
                // thresholds9_13.y is mid point for intervals (8,11) and (12,15)
                if (%d <= 6 || t < thresholds9_13.y) {
                    // thresholds9_13.x is mid point for intervals (8,9) and (10,11)
                    if (%d <= 5 || t < thresholds9_13.x) {
                        %s s = scale[4]; b = bias[4];
                    } else {
                        %s s = scale[5]; b = bias[5];
                    }
                } else {
                    // thresholds9_13.z is mid point for intervals (12,13) and (14,15)
                    if (%d <= 7 || t < thresholds9_13.z) {
                        %s s = scale[6]; b = bias[6];
                    } else {
                        %s s = scale[7]; b = bias[7];
                    }
                }
            }
            return t * s + b;
        }