RGBCube/uutils-coreutils
1
Fork 0
mirror of https://github.com/RGBCube/uutils-coreutils synced 2025-08-01 21:47:46 +00:00
Code Issues Activity

uucore: format: extendedbigdecimal: Implement From<f64>

Browse source 
Allows easier conversion.
This commit is contained in:
Nicolas Boichat 2025-03-07 10:21:27 +01:00 • committed by Sylvestre Ledru
parent 9355200901
commit 241e2291bd
1 changed files with 23 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

23
src/uucore/src/lib/features/format/extendedbigdecimal.rs
View file

@ -25,6 +25,7 @@ use std::fmt::Display;
use std::ops::Add; use std::ops::Add;
use bigdecimal::BigDecimal; use bigdecimal::BigDecimal;
use num_traits::FromPrimitive;
use num_traits::Zero; use num_traits::Zero;
#[derive(Debug, Clone)] #[derive(Debug, Clone)]
@ -76,6 +77,28 @@ pub enum ExtendedBigDecimal {
MinusNan, MinusNan,
} }
impl From<f64> for ExtendedBigDecimal {
fn from(val: f64) -> Self {
if val.is_nan() {
if val.is_sign_negative() {
ExtendedBigDecimal::MinusNan
} else {
ExtendedBigDecimal::Nan
}
} else if val.is_infinite() {
if val.is_sign_negative() {
ExtendedBigDecimal::MinusInfinity
} else {
ExtendedBigDecimal::Infinity
}
} else if val.is_zero() && val.is_sign_negative() {
ExtendedBigDecimal::MinusZero
} else {
ExtendedBigDecimal::BigDecimal(BigDecimal::from_f64(val).unwrap())
}
}
}
impl ExtendedBigDecimal { impl ExtendedBigDecimal {
pub fn zero() -> Self { pub fn zero() -> Self {
Self::BigDecimal(0.into()) Self::BigDecimal(0.into())