rok::core::num::bigfloat

Float

pub struct Float

m * 2^e. e == 0: m is the value (zero, normal, inf or NaN, never subnormal). e != 0: 1 <= |m| < 2 and e is outside f64's normal exponents -1022..=1023.

• pub const fn from_f64(x: f64) -> Float

• pub const fn from_f32(x: f32) -> Float

• pub const fn is_nan(self) -> bool

• pub const fn is_infinite(self) -> bool

• pub const fn is_finite(self) -> bool

• pub const fn is_zero(self) -> bool

• pub const fn is_sign_negative(self) -> bool

• pub const fn abs(self) -> Float

• pub const fn to_f64(self) -> f64

  The nearest f64: ±inf past f64::MAX, ties to even into the subnormals, ±0 below them.

• pub const fn to_f32(self) -> f32 | none

  none when a finite value is past f32's range (spec 2.1.3 leaves precision loss open: it rounds).

• pub fn from_int(n: Int) -> Float

  The nearest float to n (ties to even).

• pub const fn to_int(self) -> Int | none

  Truncated toward zero; none for NaN / ±inf.

• pub fn try_parse(s: str) -> Float | none

  s as a decimal (-1.5e400, .5, inf, nan), correctly rounded; none when it isn't one. Decimal exponents past ±10^6 are none: the exact conversion would need a million-digit power of ten.

• pub fn from_literal(s: str) -> Float

  An unsuffixed float literal (_ allowed) too large or small for f64 in a float slot.