Constant MANTISSA_DIGITS 

pub const MANTISSA_DIGITS: u32 = f64::MANTISSA_DIGITS; // 53u32

👎Deprecating in a future version: replaced by the MANTISSA_DIGITS associated constant on f64

Available on non-crate feature ferrocene_certified only.

Number of significant digits in base 2. Use f64::MANTISSA_DIGITS instead.

Examples

// deprecated way
let d = std::f64::MANTISSA_DIGITS;

// intended way
let d = f64::MANTISSA_DIGITS;