function baseRange(start, end, step, fromRight) {
      var index = -1,
          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
          result = Array(length);

      while (length--) {
        result[fromRight ? length : ++index] = start;
        start += step;
      }
      return result;
    }
The base implementation of `_.range` and `_.rangeRight` which doesn't
coerce arguments.

@private
@param {number} start The start of the range.
@param {number} end The end of the range.
@param {number} step The value to increment or decrement by.
@param {boolean} [fromRight] Specify iterating from right to left.
@returns {Array} Returns the range of numbers.