Rmpfr (version 0.7-2)

is.whole: Whole ("Integer") Numbers

Description

Check which elements of x[] are integer valued aka “whole” numbers,including MPFR numbers (class '>mpfr).

Usage

# S3 method for mpfr
is.whole(x)

Arguments

x

any R vector, here of class '>mpfr.

Value

logical vector of the same length as x, indicating where x[.] is integer valued.

See Also

is.integer(x) (base package) checks for the internal mode or class, not if x[i] are integer valued.

The is.whole() methods in package gmp.

Examples

# NOT RUN {
 is.integer(3) # FALSE, it's internally a double
 is.whole(3)   # TRUE
 x <- c(as(2,"mpfr") ^ 100, 3, 3.2, 1000000, 2^40)
 is.whole(x) # one FALSE, only
# }
# NOT RUN {
<!-- %dont -->
# }

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