////
/// @author Takeru Suzuki
////

/// Check if value is not a number, eg, NaN or Infinity
/// @since 1.12.0 - The Sith
/// @param {Number} $value - a number to check
/// @return {Bool} - true if not a number, false if it is a number
/// @example scss
///   // not a number
///   is-nan('true');
///   // true
///
///   // is a number
///   is-nan(1);
///   // false
@function is-nan($value) {
	@return $value / $value != 1;
}