@function __base-rand($min, $max) {
  @return $min + floor(random() * ($max - $min + 1));
}

@function __rand($min: null, $max: null, $floating: null) {
  $min: __parse-float($min);
  $max: __parse-float($max);

  @if ($floating and __is-iteratee-call($min, $max, $floating)) {
    $max: null;
    $floating: null;
  }

  $no-min: ($min == null);
  $no-max: ($max == null);

  @if ($floating == null) {
    @if $no-max and __is-boolean($min) {
      $floating: $min;
      $min: 1;
    } @else if __is-boolean($max) {
      $floating: $max;
      $no-max: true;
    }
  }

  @if $no-min and $no-max {
    $max: 1;
    $no-max: false;
  }

  $min: if($min == true, 1, if(__is-falsey($min), 0, $min));

  @if ($no-max) {
    $max: $min;
    $min: 0;
  } @else {
    $max: if($max == true, 1, if($max == false, 0, $max));
  }

  @if ($floating or ($min % 1 > 0) or ($max % 1 > 0)) {
    $rand: random();

    @return min(
      $min + ($rand * ($max - $min + 1 / (10 * (str-length("#{$rand}") - 1)))),
      $max
    );
  }

  @return __base-rand($min, $max);
}

/// Produces a random number between `$min` and `$max` (inclusive). If only one
/// argument is provided a number between `0` and the given number is returned.
///
/// If `floating` is `true`, or either `$min` or `$max` are floats, a floating-point
/// number is returned instead of an integer.
///
/// NOTE: This is not equivalent to the native Sass `random()` function.
///
///
/// @access public
/// @group Number
/// @param {number} $min [0] - The minimum possible value.
/// @param {number} $max [1] - The maximum possible value.
/// @param {boolean} $floating [false] - Specify returning a floating-point number.
/// @returns {number} Returns the random number.
/// @example scss
/// $foo: _random(0, 5);
/// // => an integer between 0 and 5
/// $foo: _random(5);
/// // => also an integer between 0 and 5
/// $foo: _random(5, true);
/// // => a floating-point number between 0 and 5
/// $foo: _random(1.2, 5.2);
/// // => a floating-point number between 1.2 and 5.2

@function _rand($args...) {
  @return call(get-function("__rand"), $args...);
}