# bignum

From openssl v0.6
by Jeroen Ooms

##### Big number arithmetic

Basic operations for working with large integers. The `bignum`

funtion converts a positive integer, string or raw vector into a bignum type.
All basic Arithmetic and Comparison operators such as
`+`

, `-`

, `*`

, `^`

, `%%`

, `%/%`

, `==`

,
`!=`

, `<`

, `<=< code="">, `

`>`

and `>=`

are implemented for
bignum objects.

##### Usage

`bignum(x, hex = FALSE)`

##### Arguments

- x
- an integer, string (hex or dec) or raw vector
- hex
- set to TRUE to parse strings as hex rather than decimal notation

##### Examples

```
# create a bignum
x <- bignum(123L)
y <- bignum("123456789123456789")
z <- bignum("D41D8CD98F00B204E9800998ECF8427E", hex = TRUE)
# Basic arithmetic
div <- z %/% y
mod <- z %% y
z2 <- div * y + mod
stopifnot(z2 == z)
stopifnot(div < z)
```

*Documentation reproduced from package openssl, version 0.6, License: MIT + file LICENSE*

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