nextpow2 {pracma} | R Documentation |
Next Power of 2
Description
Smallest power of 2 greater than the argument.
Usage
nextpow2(x)
Arguments
x |
numeric scalar, vector, or matrix |
Details
Computes the smalest integer n
such that abs(x) \le 2^n
.
IF x
is a vector or matrix, returns the result component-wise.
For negative or complex values, the absolute value will be taken.
Value
an integer n
such that x \le 2^n
.
See Also
Examples
nextpow2(10) #=> 4
nextpow2(1:10) #=> 0 1 2 2 3 3 3 3 4 4
nextpow2(-2^10) #=> 10
nextpow2(.Machine$double.eps) #=> -52
[Package pracma version 2.4.4 Index]