'use strict'
exports.umulTo10x10 = function (num1, num2, out) {
  var a = num1.words
  var b = num2.words
  var o = out.words
  var c = 0
  var lo
  var mid
  var hi
  var a0 = a[0] | 0
  var al0 = a0 & 0x1fff
  var ah0 = a0 >>> 13
  var a1 = a[1] | 0
  var al1 = a1 & 0x1fff
  var ah1 = a1 >>> 13
  var a2 = a[2] | 0
  var al2 = a2 & 0x1fff
  var ah2 = a2 >>> 13
  var a3 = a[3] | 0
  var al3 = a3 & 0x1fff
  var ah3 = a3 >>> 13
  var a4 = a[4] | 0
  var al4 = a4 & 0x1fff
  var ah4 = a4 >>> 13
  var a5 = a[5] | 0
  var al5 = a5 & 0x1fff
  var ah5 = a5 >>> 13
  var a6 = a[6] | 0
  var al6 = a6 & 0x1fff
  var ah6 = a6 >>> 13
  var a7 = a[7] | 0
  var al7 = a7 & 0x1fff
  var ah7 = a7 >>> 13
  var a8 = a[8] | 0
  var al8 = a8 & 0x1fff
  var ah8 = a8 >>> 13
  var a9 = a[9] | 0
  var al9 = a9 & 0x1fff
  var ah9 = a9 >>> 13
  var b0 = b[0] | 0
  var bl0 = b0 & 0x1fff
  var bh0 = b0 >>> 13
  var b1 = b[1] | 0
  var bl1 = b1 & 0x1fff
  var bh1 = b1 >>> 13
  var b2 = b[2] | 0
  var bl2 = b2 & 0x1fff
  var bh2 = b2 >>> 13
  var b3 = b[3] | 0
  var bl3 = b3 & 0x1fff
  var bh3 = b3 >>> 13
  var b4 = b[4] | 0
  var bl4 = b4 & 0x1fff
  var bh4 = b4 >>> 13
  var b5 = b[5] | 0
  var bl5 = b5 & 0x1fff
  var bh5 = b5 >>> 13
  var b6 = b[6] | 0
  var bl6 = b6 & 0x1fff
  var bh6 = b6 >>> 13
  var b7 = b[7] | 0
  var bl7 = b7 & 0x1fff
  var bh7 = b7 >>> 13
  var b8 = b[8] | 0
  var bl8 = b8 & 0x1fff
  var bh8 = b8 >>> 13
  var b9 = b[9] | 0
  var bl9 = b9 & 0x1fff
  var bh9 = b9 >>> 13

  out.length = 19
  /* k = 0 */
  lo = Math.imul(al0, bl0)
  mid = Math.imul(al0, bh0)
  mid += Math.imul(ah0, bl0)
  hi = Math.imul(ah0, bh0)
  var w0 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w0 >>> 26)
  w0 &= 0x3ffffff
  /* k = 1 */
  lo = Math.imul(al1, bl0)
  mid = Math.imul(al1, bh0)
  mid += Math.imul(ah1, bl0)
  hi = Math.imul(ah1, bh0)
  lo += Math.imul(al0, bl1)
  mid += Math.imul(al0, bh1)
  mid += Math.imul(ah0, bl1)
  hi += Math.imul(ah0, bh1)
  var w1 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w1 >>> 26)
  w1 &= 0x3ffffff
  /* k = 2 */
  lo = Math.imul(al2, bl0)
  mid = Math.imul(al2, bh0)
  mid += Math.imul(ah2, bl0)
  hi = Math.imul(ah2, bh0)
  lo += Math.imul(al1, bl1)
  mid += Math.imul(al1, bh1)
  mid += Math.imul(ah1, bl1)
  hi += Math.imul(ah1, bh1)
  lo += Math.imul(al0, bl2)
  mid += Math.imul(al0, bh2)
  mid += Math.imul(ah0, bl2)
  hi += Math.imul(ah0, bh2)
  var w2 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w2 >>> 26)
  w2 &= 0x3ffffff
  /* k = 3 */
  lo = Math.imul(al3, bl0)
  mid = Math.imul(al3, bh0)
  mid += Math.imul(ah3, bl0)
  hi = Math.imul(ah3, bh0)
  lo += Math.imul(al2, bl1)
  mid += Math.imul(al2, bh1)
  mid += Math.imul(ah2, bl1)
  hi += Math.imul(ah2, bh1)
  lo += Math.imul(al1, bl2)
  mid += Math.imul(al1, bh2)
  mid += Math.imul(ah1, bl2)
  hi += Math.imul(ah1, bh2)
  lo += Math.imul(al0, bl3)
  mid += Math.imul(al0, bh3)
  mid += Math.imul(ah0, bl3)
  hi += Math.imul(ah0, bh3)
  var w3 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w3 >>> 26)
  w3 &= 0x3ffffff
  /* k = 4 */
  lo = Math.imul(al4, bl0)
  mid = Math.imul(al4, bh0)
  mid += Math.imul(ah4, bl0)
  hi = Math.imul(ah4, bh0)
  lo += Math.imul(al3, bl1)
  mid += Math.imul(al3, bh1)
  mid += Math.imul(ah3, bl1)
  hi += Math.imul(ah3, bh1)
  lo += Math.imul(al2, bl2)
  mid += Math.imul(al2, bh2)
  mid += Math.imul(ah2, bl2)
  hi += Math.imul(ah2, bh2)
  lo += Math.imul(al1, bl3)
  mid += Math.imul(al1, bh3)
  mid += Math.imul(ah1, bl3)
  hi += Math.imul(ah1, bh3)
  lo += Math.imul(al0, bl4)
  mid += Math.imul(al0, bh4)
  mid += Math.imul(ah0, bl4)
  hi += Math.imul(ah0, bh4)
  var w4 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w4 >>> 26)
  w4 &= 0x3ffffff
  /* k = 5 */
  lo = Math.imul(al5, bl0)
  mid = Math.imul(al5, bh0)
  mid += Math.imul(ah5, bl0)
  hi = Math.imul(ah5, bh0)
  lo += Math.imul(al4, bl1)
  mid += Math.imul(al4, bh1)
  mid += Math.imul(ah4, bl1)
  hi += Math.imul(ah4, bh1)
  lo += Math.imul(al3, bl2)
  mid += Math.imul(al3, bh2)
  mid += Math.imul(ah3, bl2)
  hi += Math.imul(ah3, bh2)
  lo += Math.imul(al2, bl3)
  mid += Math.imul(al2, bh3)
  mid += Math.imul(ah2, bl3)
  hi += Math.imul(ah2, bh3)
  lo += Math.imul(al1, bl4)
  mid += Math.imul(al1, bh4)
  mid += Math.imul(ah1, bl4)
  hi += Math.imul(ah1, bh4)
  lo += Math.imul(al0, bl5)
  mid += Math.imul(al0, bh5)
  mid += Math.imul(ah0, bl5)
  hi += Math.imul(ah0, bh5)
  var w5 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w5 >>> 26)
  w5 &= 0x3ffffff
  /* k = 6 */
  lo = Math.imul(al6, bl0)
  mid = Math.imul(al6, bh0)
  mid += Math.imul(ah6, bl0)
  hi = Math.imul(ah6, bh0)
  lo += Math.imul(al5, bl1)
  mid += Math.imul(al5, bh1)
  mid += Math.imul(ah5, bl1)
  hi += Math.imul(ah5, bh1)
  lo += Math.imul(al4, bl2)
  mid += Math.imul(al4, bh2)
  mid += Math.imul(ah4, bl2)
  hi += Math.imul(ah4, bh2)
  lo += Math.imul(al3, bl3)
  mid += Math.imul(al3, bh3)
  mid += Math.imul(ah3, bl3)
  hi += Math.imul(ah3, bh3)
  lo += Math.imul(al2, bl4)
  mid += Math.imul(al2, bh4)
  mid += Math.imul(ah2, bl4)
  hi += Math.imul(ah2, bh4)
  lo += Math.imul(al1, bl5)
  mid += Math.imul(al1, bh5)
  mid += Math.imul(ah1, bl5)
  hi += Math.imul(ah1, bh5)
  lo += Math.imul(al0, bl6)
  mid += Math.imul(al0, bh6)
  mid += Math.imul(ah0, bl6)
  hi += Math.imul(ah0, bh6)
  var w6 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w6 >>> 26)
  w6 &= 0x3ffffff
  /* k = 7 */
  lo = Math.imul(al7, bl0)
  mid = Math.imul(al7, bh0)
  mid += Math.imul(ah7, bl0)
  hi = Math.imul(ah7, bh0)
  lo += Math.imul(al6, bl1)
  mid += Math.imul(al6, bh1)
  mid += Math.imul(ah6, bl1)
  hi += Math.imul(ah6, bh1)
  lo += Math.imul(al5, bl2)
  mid += Math.imul(al5, bh2)
  mid += Math.imul(ah5, bl2)
  hi += Math.imul(ah5, bh2)
  lo += Math.imul(al4, bl3)
  mid += Math.imul(al4, bh3)
  mid += Math.imul(ah4, bl3)
  hi += Math.imul(ah4, bh3)
  lo += Math.imul(al3, bl4)
  mid += Math.imul(al3, bh4)
  mid += Math.imul(ah3, bl4)
  hi += Math.imul(ah3, bh4)
  lo += Math.imul(al2, bl5)
  mid += Math.imul(al2, bh5)
  mid += Math.imul(ah2, bl5)
  hi += Math.imul(ah2, bh5)
  lo += Math.imul(al1, bl6)
  mid += Math.imul(al1, bh6)
  mid += Math.imul(ah1, bl6)
  hi += Math.imul(ah1, bh6)
  lo += Math.imul(al0, bl7)
  mid += Math.imul(al0, bh7)
  mid += Math.imul(ah0, bl7)
  hi += Math.imul(ah0, bh7)
  var w7 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w7 >>> 26)
  w7 &= 0x3ffffff
  /* k = 8 */
  lo = Math.imul(al8, bl0)
  mid = Math.imul(al8, bh0)
  mid += Math.imul(ah8, bl0)
  hi = Math.imul(ah8, bh0)
  lo += Math.imul(al7, bl1)
  mid += Math.imul(al7, bh1)
  mid += Math.imul(ah7, bl1)
  hi += Math.imul(ah7, bh1)
  lo += Math.imul(al6, bl2)
  mid += Math.imul(al6, bh2)
  mid += Math.imul(ah6, bl2)
  hi += Math.imul(ah6, bh2)
  lo += Math.imul(al5, bl3)
  mid += Math.imul(al5, bh3)
  mid += Math.imul(ah5, bl3)
  hi += Math.imul(ah5, bh3)
  lo += Math.imul(al4, bl4)
  mid += Math.imul(al4, bh4)
  mid += Math.imul(ah4, bl4)
  hi += Math.imul(ah4, bh4)
  lo += Math.imul(al3, bl5)
  mid += Math.imul(al3, bh5)
  mid += Math.imul(ah3, bl5)
  hi += Math.imul(ah3, bh5)
  lo += Math.imul(al2, bl6)
  mid += Math.imul(al2, bh6)
  mid += Math.imul(ah2, bl6)
  hi += Math.imul(ah2, bh6)
  lo += Math.imul(al1, bl7)
  mid += Math.imul(al1, bh7)
  mid += Math.imul(ah1, bl7)
  hi += Math.imul(ah1, bh7)
  lo += Math.imul(al0, bl8)
  mid += Math.imul(al0, bh8)
  mid += Math.imul(ah0, bl8)
  hi += Math.imul(ah0, bh8)
  var w8 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w8 >>> 26)
  w8 &= 0x3ffffff
  /* k = 9 */
  lo = Math.imul(al9, bl0)
  mid = Math.imul(al9, bh0)
  mid += Math.imul(ah9, bl0)
  hi = Math.imul(ah9, bh0)
  lo += Math.imul(al8, bl1)
  mid += Math.imul(al8, bh1)
  mid += Math.imul(ah8, bl1)
  hi += Math.imul(ah8, bh1)
  lo += Math.imul(al7, bl2)
  mid += Math.imul(al7, bh2)
  mid += Math.imul(ah7, bl2)
  hi += Math.imul(ah7, bh2)
  lo += Math.imul(al6, bl3)
  mid += Math.imul(al6, bh3)
  mid += Math.imul(ah6, bl3)
  hi += Math.imul(ah6, bh3)
  lo += Math.imul(al5, bl4)
  mid += Math.imul(al5, bh4)
  mid += Math.imul(ah5, bl4)
  hi += Math.imul(ah5, bh4)
  lo += Math.imul(al4, bl5)
  mid += Math.imul(al4, bh5)
  mid += Math.imul(ah4, bl5)
  hi += Math.imul(ah4, bh5)
  lo += Math.imul(al3, bl6)
  mid += Math.imul(al3, bh6)
  mid += Math.imul(ah3, bl6)
  hi += Math.imul(ah3, bh6)
  lo += Math.imul(al2, bl7)
  mid += Math.imul(al2, bh7)
  mid += Math.imul(ah2, bl7)
  hi += Math.imul(ah2, bh7)
  lo += Math.imul(al1, bl8)
  mid += Math.imul(al1, bh8)
  mid += Math.imul(ah1, bl8)
  hi += Math.imul(ah1, bh8)
  lo += Math.imul(al0, bl9)
  mid += Math.imul(al0, bh9)
  mid += Math.imul(ah0, bl9)
  hi += Math.imul(ah0, bh9)
  var w9 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w9 >>> 26)
  w9 &= 0x3ffffff
  /* k = 10 */
  lo = Math.imul(al9, bl1)
  mid = Math.imul(al9, bh1)
  mid += Math.imul(ah9, bl1)
  hi = Math.imul(ah9, bh1)
  lo += Math.imul(al8, bl2)
  mid += Math.imul(al8, bh2)
  mid += Math.imul(ah8, bl2)
  hi += Math.imul(ah8, bh2)
  lo += Math.imul(al7, bl3)
  mid += Math.imul(al7, bh3)
  mid += Math.imul(ah7, bl3)
  hi += Math.imul(ah7, bh3)
  lo += Math.imul(al6, bl4)
  mid += Math.imul(al6, bh4)
  mid += Math.imul(ah6, bl4)
  hi += Math.imul(ah6, bh4)
  lo += Math.imul(al5, bl5)
  mid += Math.imul(al5, bh5)
  mid += Math.imul(ah5, bl5)
  hi += Math.imul(ah5, bh5)
  lo += Math.imul(al4, bl6)
  mid += Math.imul(al4, bh6)
  mid += Math.imul(ah4, bl6)
  hi += Math.imul(ah4, bh6)
  lo += Math.imul(al3, bl7)
  mid += Math.imul(al3, bh7)
  mid += Math.imul(ah3, bl7)
  hi += Math.imul(ah3, bh7)
  lo += Math.imul(al2, bl8)
  mid += Math.imul(al2, bh8)
  mid += Math.imul(ah2, bl8)
  hi += Math.imul(ah2, bh8)
  lo += Math.imul(al1, bl9)
  mid += Math.imul(al1, bh9)
  mid += Math.imul(ah1, bl9)
  hi += Math.imul(ah1, bh9)
  var w10 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w10 >>> 26)
  w10 &= 0x3ffffff
  /* k = 11 */
  lo = Math.imul(al9, bl2)
  mid = Math.imul(al9, bh2)
  mid += Math.imul(ah9, bl2)
  hi = Math.imul(ah9, bh2)
  lo += Math.imul(al8, bl3)
  mid += Math.imul(al8, bh3)
  mid += Math.imul(ah8, bl3)
  hi += Math.imul(ah8, bh3)
  lo += Math.imul(al7, bl4)
  mid += Math.imul(al7, bh4)
  mid += Math.imul(ah7, bl4)
  hi += Math.imul(ah7, bh4)
  lo += Math.imul(al6, bl5)
  mid += Math.imul(al6, bh5)
  mid += Math.imul(ah6, bl5)
  hi += Math.imul(ah6, bh5)
  lo += Math.imul(al5, bl6)
  mid += Math.imul(al5, bh6)
  mid += Math.imul(ah5, bl6)
  hi += Math.imul(ah5, bh6)
  lo += Math.imul(al4, bl7)
  mid += Math.imul(al4, bh7)
  mid += Math.imul(ah4, bl7)
  hi += Math.imul(ah4, bh7)
  lo += Math.imul(al3, bl8)
  mid += Math.imul(al3, bh8)
  mid += Math.imul(ah3, bl8)
  hi += Math.imul(ah3, bh8)
  lo += Math.imul(al2, bl9)
  mid += Math.imul(al2, bh9)
  mid += Math.imul(ah2, bl9)
  hi += Math.imul(ah2, bh9)
  var w11 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w11 >>> 26)
  w11 &= 0x3ffffff
  /* k = 12 */
  lo = Math.imul(al9, bl3)
  mid = Math.imul(al9, bh3)
  mid += Math.imul(ah9, bl3)
  hi = Math.imul(ah9, bh3)
  lo += Math.imul(al8, bl4)
  mid += Math.imul(al8, bh4)
  mid += Math.imul(ah8, bl4)
  hi += Math.imul(ah8, bh4)
  lo += Math.imul(al7, bl5)
  mid += Math.imul(al7, bh5)
  mid += Math.imul(ah7, bl5)
  hi += Math.imul(ah7, bh5)
  lo += Math.imul(al6, bl6)
  mid += Math.imul(al6, bh6)
  mid += Math.imul(ah6, bl6)
  hi += Math.imul(ah6, bh6)
  lo += Math.imul(al5, bl7)
  mid += Math.imul(al5, bh7)
  mid += Math.imul(ah5, bl7)
  hi += Math.imul(ah5, bh7)
  lo += Math.imul(al4, bl8)
  mid += Math.imul(al4, bh8)
  mid += Math.imul(ah4, bl8)
  hi += Math.imul(ah4, bh8)
  lo += Math.imul(al3, bl9)
  mid += Math.imul(al3, bh9)
  mid += Math.imul(ah3, bl9)
  hi += Math.imul(ah3, bh9)
  var w12 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w12 >>> 26)
  w12 &= 0x3ffffff
  /* k = 13 */
  lo = Math.imul(al9, bl4)
  mid = Math.imul(al9, bh4)
  mid += Math.imul(ah9, bl4)
  hi = Math.imul(ah9, bh4)
  lo += Math.imul(al8, bl5)
  mid += Math.imul(al8, bh5)
  mid += Math.imul(ah8, bl5)
  hi += Math.imul(ah8, bh5)
  lo += Math.imul(al7, bl6)
  mid += Math.imul(al7, bh6)
  mid += Math.imul(ah7, bl6)
  hi += Math.imul(ah7, bh6)
  lo += Math.imul(al6, bl7)
  mid += Math.imul(al6, bh7)
  mid += Math.imul(ah6, bl7)
  hi += Math.imul(ah6, bh7)
  lo += Math.imul(al5, bl8)
  mid += Math.imul(al5, bh8)
  mid += Math.imul(ah5, bl8)
  hi += Math.imul(ah5, bh8)
  lo += Math.imul(al4, bl9)
  mid += Math.imul(al4, bh9)
  mid += Math.imul(ah4, bl9)
  hi += Math.imul(ah4, bh9)
  var w13 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w13 >>> 26)
  w13 &= 0x3ffffff
  /* k = 14 */
  lo = Math.imul(al9, bl5)
  mid = Math.imul(al9, bh5)
  mid += Math.imul(ah9, bl5)
  hi = Math.imul(ah9, bh5)
  lo += Math.imul(al8, bl6)
  mid += Math.imul(al8, bh6)
  mid += Math.imul(ah8, bl6)
  hi += Math.imul(ah8, bh6)
  lo += Math.imul(al7, bl7)
  mid += Math.imul(al7, bh7)
  mid += Math.imul(ah7, bl7)
  hi += Math.imul(ah7, bh7)
  lo += Math.imul(al6, bl8)
  mid += Math.imul(al6, bh8)
  mid += Math.imul(ah6, bl8)
  hi += Math.imul(ah6, bh8)
  lo += Math.imul(al5, bl9)
  mid += Math.imul(al5, bh9)
  mid += Math.imul(ah5, bl9)
  hi += Math.imul(ah5, bh9)
  var w14 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w14 >>> 26)
  w14 &= 0x3ffffff
  /* k = 15 */
  lo = Math.imul(al9, bl6)
  mid = Math.imul(al9, bh6)
  mid += Math.imul(ah9, bl6)
  hi = Math.imul(ah9, bh6)
  lo += Math.imul(al8, bl7)
  mid += Math.imul(al8, bh7)
  mid += Math.imul(ah8, bl7)
  hi += Math.imul(ah8, bh7)
  lo += Math.imul(al7, bl8)
  mid += Math.imul(al7, bh8)
  mid += Math.imul(ah7, bl8)
  hi += Math.imul(ah7, bh8)
  lo += Math.imul(al6, bl9)
  mid += Math.imul(al6, bh9)
  mid += Math.imul(ah6, bl9)
  hi += Math.imul(ah6, bh9)
  var w15 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w15 >>> 26)
  w15 &= 0x3ffffff
  /* k = 16 */
  lo = Math.imul(al9, bl7)
  mid = Math.imul(al9, bh7)
  mid += Math.imul(ah9, bl7)
  hi = Math.imul(ah9, bh7)
  lo += Math.imul(al8, bl8)
  mid += Math.imul(al8, bh8)
  mid += Math.imul(ah8, bl8)
  hi += Math.imul(ah8, bh8)
  lo += Math.imul(al7, bl9)
  mid += Math.imul(al7, bh9)
  mid += Math.imul(ah7, bl9)
  hi += Math.imul(ah7, bh9)
  var w16 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w16 >>> 26)
  w16 &= 0x3ffffff
  /* k = 17 */
  lo = Math.imul(al9, bl8)
  mid = Math.imul(al9, bh8)
  mid += Math.imul(ah9, bl8)
  hi = Math.imul(ah9, bh8)
  lo += Math.imul(al8, bl9)
  mid += Math.imul(al8, bh9)
  mid += Math.imul(ah8, bl9)
  hi += Math.imul(ah8, bh9)
  var w17 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w17 >>> 26)
  w17 &= 0x3ffffff
  /* k = 18 */
  lo = Math.imul(al9, bl9)
  mid = Math.imul(al9, bh9)
  mid += Math.imul(ah9, bl9)
  hi = Math.imul(ah9, bh9)
  var w18 = c + lo + ((mid & 0x1fff) << 13)
  c = hi + (mid >>> 13) + (w18 >>> 26)
  w18 &= 0x3ffffff
  o[0] = w0
  o[1] = w1
  o[2] = w2
  o[3] = w3
  o[4] = w4
  o[5] = w5
  o[6] = w6
  o[7] = w7
  o[8] = w8
  o[9] = w9
  o[10] = w10
  o[11] = w11
  o[12] = w12
  o[13] = w13
  o[14] = w14
  o[15] = w15
  o[16] = w16
  o[17] = w17
  o[18] = w18
  if (c !== 0) {
    o[19] = c
    out.length++
  }
  return out
}