//! Provides utility functions for working with floating point precision
/// Standard epsilon, maximum relative precision of IEEE 754 double-precision
/// floating point numbers (64 bit) e.g. `2^-53`
pub const F64_PREC: f64 = 0.00000000000000011102230246251565;
/// Default accuracy for `f64`, equivalent to `0.0 * F64_PREC`
pub const DEFAULT_F64_ACC: f64 = 0.0000000000000011102230246251565;
/// Returns true if `a` and `b `are within `acc` of each other.
/// If `a` or `b` are infinite, returns `true` only if both are
/// infinite and similarly signed. Always returns `false` if
/// either number is a `NAN`.