BitSizeI function
Warning
This documentation refers to the Classic QDK, which has been replaced by the Modern QDK.
Please see https://aka.ms/qdk.api for the API documentation for the Modern QDK.
Namespace: Microsoft.Quantum.Math
Package: Microsoft.Quantum.Standard
For a non-negative integer a
, returns the number of bits required to represent a
.
function BitSizeI (a : Int) : Int
Input
a : Int
The integer whose bit-size is to be computed.
Output : Int
The bit-size of a
.
Remarks
This function returns the smallest $n$ such that $a < 2^n$.
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