Trait rug::ops::DivRoundingFrom

pub trait DivRoundingFrom<Lhs = Self> {
    fn div_trunc_from(&mut self, lhs: Lhs);
    fn div_ceil_from(&mut self, lhs: Lhs);
    fn div_floor_from(&mut self, lhs: Lhs);
    fn div_euc_from(&mut self, lhs: Lhs);
}

Compound assignment to the rhs operand and rounding variants of division.

Examples

use rug::ops::DivRoundingFrom;
struct I(i32);
impl DivRoundingFrom<i32> for I {
    fn div_trunc_from(&mut self, lhs: i32) {
        self.0 = lhs / self.0;
    }
    fn div_ceil_from(&mut self, lhs: i32) {
        let (q, r) = (lhs / self.0, lhs % self.0);
        let change = if self.0 > 0 { r > 0 } else { r < 0 };
        self.0 = if change { q + 1 } else { q };
    }
    fn div_floor_from(&mut self, lhs: i32) {
        let (q, r) = (lhs / self.0, lhs % self.0);
        let change = if self.0 > 0 { r < 0 } else { r > 0 };
        self.0 = if change { q - 1 } else { q };
    }
    fn div_euc_from(&mut self, lhs: i32) {
        let (q, r) = (lhs / self.0, lhs % self.0);
        self.0 = if r < 0 {
            if self.0 < 0 {
                q + 1
            } else {
                q - 1
            }
        } else {
            q
        };
    }
}
let mut div_ceil = I(3);
div_ceil.div_ceil_from(10);
assert_eq!(div_ceil.0, 4);

Required Methods

fn div_trunc_from(&mut self, lhs: Lhs)

Performs division, rounding the quotient towards zero.

fn div_ceil_from(&mut self, lhs: Lhs)

Performs division, rounding the quotient up.

fn div_floor_from(&mut self, lhs: Lhs)

Performs division, rounding the quotient down.

fn div_euc_from(&mut self, lhs: Lhs)

Performs Euclidean division, rounding the quotient so that the remainder cannot be negative.

Implementations on Foreign Types

impl DivRoundingFrom for i8

fn div_trunc_from(&mut self, lhs: i8)

fn div_ceil_from(&mut self, lhs: i8)

fn div_floor_from(&mut self, lhs: i8)

fn div_euc_from(&mut self, lhs: i8)

impl<'a> DivRoundingFrom<&'a i8> for i8

fn div_trunc_from(&mut self, lhs: &i8)

fn div_ceil_from(&mut self, lhs: &i8)

fn div_floor_from(&mut self, lhs: &i8)

fn div_euc_from(&mut self, lhs: &i8)

impl DivRoundingFrom for i16

fn div_trunc_from(&mut self, lhs: i16)

fn div_ceil_from(&mut self, lhs: i16)

fn div_floor_from(&mut self, lhs: i16)

fn div_euc_from(&mut self, lhs: i16)

impl<'a> DivRoundingFrom<&'a i16> for i16

fn div_trunc_from(&mut self, lhs: &i16)

fn div_ceil_from(&mut self, lhs: &i16)

fn div_floor_from(&mut self, lhs: &i16)

fn div_euc_from(&mut self, lhs: &i16)

impl DivRoundingFrom for i32

fn div_trunc_from(&mut self, lhs: i32)

fn div_ceil_from(&mut self, lhs: i32)

fn div_floor_from(&mut self, lhs: i32)

fn div_euc_from(&mut self, lhs: i32)

impl<'a> DivRoundingFrom<&'a i32> for i32

fn div_trunc_from(&mut self, lhs: &i32)

fn div_ceil_from(&mut self, lhs: &i32)

fn div_floor_from(&mut self, lhs: &i32)

fn div_euc_from(&mut self, lhs: &i32)

impl DivRoundingFrom for i64

fn div_trunc_from(&mut self, lhs: i64)

fn div_ceil_from(&mut self, lhs: i64)

fn div_floor_from(&mut self, lhs: i64)

fn div_euc_from(&mut self, lhs: i64)

impl<'a> DivRoundingFrom<&'a i64> for i64

fn div_trunc_from(&mut self, lhs: &i64)

fn div_ceil_from(&mut self, lhs: &i64)

fn div_floor_from(&mut self, lhs: &i64)

fn div_euc_from(&mut self, lhs: &i64)

impl DivRoundingFrom for i128

fn div_trunc_from(&mut self, lhs: i128)

fn div_ceil_from(&mut self, lhs: i128)

fn div_floor_from(&mut self, lhs: i128)

fn div_euc_from(&mut self, lhs: i128)

impl<'a> DivRoundingFrom<&'a i128> for i128

fn div_trunc_from(&mut self, lhs: &i128)

fn div_ceil_from(&mut self, lhs: &i128)

fn div_floor_from(&mut self, lhs: &i128)

fn div_euc_from(&mut self, lhs: &i128)

impl DivRoundingFrom for isize

fn div_trunc_from(&mut self, lhs: isize)

fn div_ceil_from(&mut self, lhs: isize)

fn div_floor_from(&mut self, lhs: isize)

fn div_euc_from(&mut self, lhs: isize)

impl<'a> DivRoundingFrom<&'a isize> for isize

fn div_trunc_from(&mut self, lhs: &isize)

fn div_ceil_from(&mut self, lhs: &isize)

fn div_floor_from(&mut self, lhs: &isize)

fn div_euc_from(&mut self, lhs: &isize)

impl DivRoundingFrom for u8

fn div_trunc_from(&mut self, lhs: u8)

fn div_ceil_from(&mut self, lhs: u8)

fn div_floor_from(&mut self, lhs: u8)

fn div_euc_from(&mut self, lhs: u8)

impl<'a> DivRoundingFrom<&'a u8> for u8

fn div_trunc_from(&mut self, lhs: &u8)

fn div_ceil_from(&mut self, lhs: &u8)

fn div_floor_from(&mut self, lhs: &u8)

fn div_euc_from(&mut self, lhs: &u8)

impl DivRoundingFrom for u16

fn div_trunc_from(&mut self, lhs: u16)

fn div_ceil_from(&mut self, lhs: u16)

fn div_floor_from(&mut self, lhs: u16)

fn div_euc_from(&mut self, lhs: u16)

impl<'a> DivRoundingFrom<&'a u16> for u16

fn div_trunc_from(&mut self, lhs: &u16)

fn div_ceil_from(&mut self, lhs: &u16)

fn div_floor_from(&mut self, lhs: &u16)

fn div_euc_from(&mut self, lhs: &u16)

impl DivRoundingFrom for u32

fn div_trunc_from(&mut self, lhs: u32)

fn div_ceil_from(&mut self, lhs: u32)

fn div_floor_from(&mut self, lhs: u32)

fn div_euc_from(&mut self, lhs: u32)

impl<'a> DivRoundingFrom<&'a u32> for u32

fn div_trunc_from(&mut self, lhs: &u32)

fn div_ceil_from(&mut self, lhs: &u32)

fn div_floor_from(&mut self, lhs: &u32)

fn div_euc_from(&mut self, lhs: &u32)

impl DivRoundingFrom for u64

fn div_trunc_from(&mut self, lhs: u64)

fn div_ceil_from(&mut self, lhs: u64)

fn div_floor_from(&mut self, lhs: u64)

fn div_euc_from(&mut self, lhs: u64)

impl<'a> DivRoundingFrom<&'a u64> for u64

fn div_trunc_from(&mut self, lhs: &u64)

fn div_ceil_from(&mut self, lhs: &u64)

fn div_floor_from(&mut self, lhs: &u64)

fn div_euc_from(&mut self, lhs: &u64)

impl DivRoundingFrom for u128

fn div_trunc_from(&mut self, lhs: u128)

fn div_ceil_from(&mut self, lhs: u128)

fn div_floor_from(&mut self, lhs: u128)

fn div_euc_from(&mut self, lhs: u128)

impl<'a> DivRoundingFrom<&'a u128> for u128

fn div_trunc_from(&mut self, lhs: &u128)

fn div_ceil_from(&mut self, lhs: &u128)

fn div_floor_from(&mut self, lhs: &u128)

fn div_euc_from(&mut self, lhs: &u128)

impl DivRoundingFrom for usize

fn div_trunc_from(&mut self, lhs: usize)

fn div_ceil_from(&mut self, lhs: usize)

fn div_floor_from(&mut self, lhs: usize)

fn div_euc_from(&mut self, lhs: usize)

impl<'a> DivRoundingFrom<&'a usize> for usize

fn div_trunc_from(&mut self, lhs: &usize)

fn div_ceil_from(&mut self, lhs: &usize)

fn div_floor_from(&mut self, lhs: &usize)

fn div_euc_from(&mut self, lhs: &usize)

impl DivRoundingFrom for f32

fn div_trunc_from(&mut self, lhs: f32)

fn div_ceil_from(&mut self, lhs: f32)

fn div_floor_from(&mut self, lhs: f32)

fn div_euc_from(&mut self, lhs: f32)

impl<'a> DivRoundingFrom<&'a f32> for f32

fn div_trunc_from(&mut self, lhs: &f32)

fn div_ceil_from(&mut self, lhs: &f32)

fn div_floor_from(&mut self, lhs: &f32)

fn div_euc_from(&mut self, lhs: &f32)

impl DivRoundingFrom for f64

fn div_trunc_from(&mut self, lhs: f64)

fn div_ceil_from(&mut self, lhs: f64)

fn div_floor_from(&mut self, lhs: f64)

fn div_euc_from(&mut self, lhs: f64)

impl<'a> DivRoundingFrom<&'a f64> for f64

fn div_trunc_from(&mut self, lhs: &f64)

fn div_ceil_from(&mut self, lhs: &f64)

fn div_floor_from(&mut self, lhs: &f64)

fn div_euc_from(&mut self, lhs: &f64)

Implementors

• impl DivRoundingFrom for Integer

• impl<'i> DivRoundingFrom<&'i Integer> for Integer

• impl DivRoundingFrom<i32> for Integer

• impl<'t> DivRoundingFrom<&'t i32> for Integer

• impl DivRoundingFrom<u32> for Integer

• impl<'t> DivRoundingFrom<&'t u32> for Integer