/// Tests if the given [f64] is effectively 0.0.
/// Returns true iff the absolute difference between the given float and 0.0
/// is less than or equal to the difference between 1.0 and the next representable
/// value ([f64::EPSILON]).
pub
/// Determines if the two given values are effectively equal.
///
/// Returns true iff the absolute difference between the two values is less than or equal to [f64::EPSILON].
pub
/// Evaluates less than or equal to comparison including [equal](crate::eq) values.
pub
/// Evaluates greater than or equal to comparison including [equal](crate::eq) values.
pub