// Metro module 12718 (f12719).
module.exports = function adler32(a0, a1, a2, a3) {
  let r22, r23;
  L6: {
    let r14 = a2;
    let r13 = a3;
    const r9 = 65535 & a0;
    let r5 = a0 >>> 16 & 65535;
    let r21 = r9;
    r22 = r5;
    r23 = r21;
    if (a2 !== 0) {
      loop1: while (true) {
        const r12 = r14 > 2000;
        let r0 = r5;
        let r1 = r21;
        let r19 = r13;
        const r24 = r14;
        let r18 = r12 ? 2000 : r24;
        const r25 = r24 - r18;
        while (true) {
          const r20 = +r19;
          const r17 = r20 + 1;
          const r3 = r1 + a1[r20] | 0;
          const r28 = r0 + r3 | 0;
          r18 = r18 - 1;
          r0 = r28;
          r1 = r3;
          r19 = r17;
          if (!r18) {
            r21 = r3 % 65521;
            r5 = r28 % 65521;
            r13 = r17;
            r22 = r5;
            r23 = r21;
            r14 = r25;
            if (r14 !== 0) {
              continue loop1;
            }
            break L6;
          }
        }
      }
    }
  }
  return r23 | r22 << 16;
};