gmp: cumsum – R documentation

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Documentation

gmp

cumsum

(Cumulative) Sums, Products of Large Integers and Rationals

Description

Theses are methods to ‘overload’ the sum(), cumsum() and prod() functions for big rationals and big integers.

Usage

## S3 method for class 'bigz'
cumsum(x)
## S3 method for class 'bigq'
cumsum(x)
## S3 method for class 'bigz'
sum(..., na.rm = FALSE)
## S3 method for class 'bigq'
sum(..., na.rm = FALSE)
## S3 method for class 'bigz'
prod(..., na.rm = FALSE)
## S3 method for class 'bigq'
prod(..., na.rm = FALSE)

Arguments

`x, ...`	R objects of class `bigz` or `bigq` or ‘simple’ numbers.
`na.rm`	logical indicating if missing values (`NA`) should be removed before the computation.

Value

return an element of class bigz or bigq.

Author(s)

Antoine Lucas

Examples

x <- as.bigz(1:12)
 cumsum(x)
 prod(x)
 sum(x)

 x <- as.bigq(1:12)
 cumsum(x)
 prod(x)
 sum(x)

gmp

Multiple Precision Arithmetic

v0.6-2

GPL (>= 2)

Authors

Antoine Lucas, Immanuel Scholz, Rainer Boehme <rb-gmp@reflex-studio.de>, Sylvain Jasson <Sylvain.Jasson@inrae.fr>, Martin Maechler <maechler@stat.math.ethz.ch>

Initial release

2021-01-07