// Math Helpers
// ============


// Pow
// ---
/// Access the [mathsass](https://github.com/terkel/mathsass)
/// `pow()` function if it is available.
/// Otherwise, fallback to simplified
/// (integer-only) exponent calculation.
///
/// @access private
/// @link https://github.com/terkel/mathsass
///
/// @param {Number} $number -
///   The base number to be multiplied.
/// @param {Number} $exponent -
///   The exponent to use for multiplication.
/// @throw -
///   Please install the MathSass library for non-integer exponents.
/// @return {Number} -
///   The calculated results of multiplying
///   `$number` to the `$exponent` power.
@function _accoutrement-pow(
  $number,
  $exponent
) {
  // mathsass pow function
  @if function-exists('pow') {
    @return pow($number, $exponent);
  }

  @if round($exponent) != $exponent {
    @error 'Please install the MathSass library for non-integer exponents.';
  }

  // Simple pow function fallback
  $_return: 1;

  @if $exponent == 0 {
    @return $_return;
  }

  @for $i from 1 through abs($exponent) {
    $_return: $_return * $number;
  }

  @if $exponent < 0 {
    $_return: 1 / $_return;
  }

  @return $_return;
}