Opis

Opis is an arithmetic library for integer numbers.

Author

Roy R. O. Okello

Usage

In your Cargo.toml:

text [dependencies] opis = "4.0.0"

In your module.rs:

text use opis::{Bit, Int};

Features

Representation of integers of any magnitude.
Bits are in two's complement and big endian order.
Functions for arithmetic and conversions.

API

Int

Add: a + b
AddAssign: a += b
Sub: a - b
SubAssign: a -= b
Mul: a * b
Div: a / b
Rem: a % b
Not: !a
BitAnd: a & b
BitOr: a | b
BitXor: a ^ b
Eq: a == b
Ord: a > b
Shift: a >> 1
Shift Assign: a >>= 1
Exponentiation: a.pow(&e)
Modulo: a.modulo(&m)
From Binary: Int::from_bin("b'1010101")
To Binary: a.to_bin()
From Decimal: Int::from_decimal("674755")
To Decimal: a.to_dec()
From Hexadecimal: Int::from_hex("0x00ABC012")
To Hexadecimal: a.to_hex()
From Bytes: Int::from_bytes(&bytes)
To Bytes: a.to_bytes()
To Extended Bytes: a.to_ext_bytes(32)
To Extended Bits: a.to_ext_bits(256)
Linear-feedback shift register: a.lfsr(1)

Contribution

Pull requests, bug reports and any kind of suggestions are welcome.

2022-06-18