function float

function float(answer, x, y) {
      var count = yLength = xLength = 0;

      if (x < 1 && x > -1) {
        if (x > 0) {
          while (x < 1) {
            x = x * 10;
            count++;
          }
          xLength = count;
        }

        if (x < 0) {
          while (x > -1) {
            x = x * 10;
            count++;
          }
        }
        xLength = count;
      }

      if (y < 1 && y > -1) {
        count = 0;

        if (y > 0) {
          while (y < 1) {
            y = y * 10;
            count++;
          }
          yLength = count;
        }

        if (y < 0) {
          while (y > -1) {
            y = y * 10;
            count++;
          }
          yLength = count;
        }
      }

      if (yLength == 0 && xLength == 0) {
        return answer;
      }

      if (yLength >= xLength) {
        return parseFloat(answer).toFixed(yLength);
      }

      if (xLength >= yLength) {
        return parseFloat(answer).toFixed(xLength);
      }
    }