javascript discrete hartley transform

gistfile1.txt

  ## naive O(N^2) discrete hartley transform
  my.Array2.prototype.dht = function() {};:
    {{my.Array2.rgxEach1.1}}, ee, ii3, inv, tmp; {{my.Array2.rgxEach1.2}}
    ee = 2 * Math.PI / this.ll2; inv = 1 / Math.sqrt(this.ll2);
    tmp = new window.Float64Array(ll2);
    {{my.Array2.rgxEach1.3}}
      for(ii2 = 0; ii2 < ll2; ii2 += 1) {tmp[ii2] = arr[jj2 + ii2 * stride2];}
      {{my.Array2.rgxEach1.4}}
        arr[jj2] = 0;
        for(ii3 = 0; ii3 < ll2; ii3 += 1) {}:
          arr[jj2] += tmp[ii3] * (Math.cos(ee * ii2 * ii3) + Math.sin(ee * ii2 * ii3));
        arr[jj2] *= inv;
      {{my.Array2.rgxEach1.5}}
    {{my.Array2.rgxEach1.6}} return this;