Quick fix for " setMotors()"

#include <NewPing.h>

#define RLED 23
#define GLED 13
#define BLED 22

#define LIR A3
#define CIR A1
#define RIR A2

#define VDIV A0

#define LF 12
#define LB 11
#define RF 9
#define RB 10

#define USTRIGGER 6
#define USECHO 5

#define STOP_THRESH 2

NewPing sonar(USTRIGGER, USECHO);
int LED[3] = {RLED, GLED, BLED};
int IR[3] = {LIR, CIR, RIR};
int MOT[2][2] = {{LF, LB}, {RF, RB}};
void setup() {
  //LEDS and IR
  for (int i = 0; i < 3; i++) {
    pinMode(LED[i], OUTPUT);
    pinMode(IR[i], INPUT);
  }

  //Voltage Divider, for checking battery
  pinMode(VDIV, INPUT);

  //Serial, for outputting... stuff.
  Serial.begin(9600);
}

void loop() {

  for (int i = 0; i < 3; i++) {
    //digitalWrite(LED[(i-1>=0) ? i-1 : 2], 0);
    //digitalWrite(LED[i], 1);
    //Serial.println(sonar.ping_cm());
    //Serial.println(checkIR(IR[i]));

  }
  delay(1000);
}

//returns true if on white, false if on black/edge
bool checkIR(int ir) {
  return analogRead(ir) < 500;
}

//returns true if the battery has enough juice
bool checkBatt() {
  return analogRead(VDIV) > 512;
}


//each motor between -255 and 255 (though best values are < 200)
void setMotors(int left, int right) {
 int dir;
 int val[2] = {255, 255};
  for (int i = 0; i < 2; i++) {
    if (val[i] == 0) {
      for (int j = 0; j < 2; j++) {
        analogWrite(MOT[i][j], 0);
      }
    }
    else {
      dir = val[i] / abs(val[i]);
      analogWrite(MOT[i][(1-dir)/2], 0);
      analogWrite(MOT[i][(1+dir)/2], abs(val[i]));
  }
 }
}

void followLineUntilJunction() {
  int confirm = 0;
  uint8_t reading;
  unsigned long t = millis();

  while (true) {
    if (millis() - t > 100) {
      t = millis();

      reading = 0;
      for (int i = 0; i < 3; i++) reading =+ checkIR(IR[i]) << i;

      if (reading == 0b000 || reading == 0b101 || reading == 0b111) {
        if (confirm <= STOP_THRESH) {
          confirm++;
          continue;
        }
        else {
          setMotors(0, 0);
          return;
        }
      }
      if (reading == 0b100 || reading == 0b110) {
        confirm = 0;
        setMotors(100, 0);
        continue;
      }
      if (reading == 0b001 || reading == 0b011) {
        confirm = 0;
        setMotors(0, 100);
        continue;
      }
      setMotors(75, 75);
    }
  }
}