bits.OnesCount64() Function in Golang with Examples

bits.OnesCount16() Function in Golang with Examples

Last Updated : 19 Apr, 2020

Go language provides inbuilt support for bits to implement bit counting and manipulation functions for the predeclared unsigned integer types with the help of bits package. This package provides OnesCount16() function which is used to find the number of one bits in a. To access the OnesCount16() function you need to add a math/bits package in your program with the help of the import keyword. Syntax:

func OnesCount16(a uint16) int

Parameters: This function takes one parameter of uint16 type, i.e., a. Return Value: This function returns the total number of one bits that are used to represent a. Example 1:

C

// Golang program to illustrate bits.OnesCount16() Function
package main

import (
    "fmt"
    "math/bits"
)

// Main function
func main() {


    // Using OnesCount16() function
    a := bits.OnesCount16(5)
    fmt.Printf("Total number of one bits that"+
         " are used to represent %d: %d", 5, a)

}

Output:

Total number of one bits that are used to represent 5: 2

Example 2:

C

// Golang program to illustrate bits.OnesCount16() Function
package main

import (
    "fmt"
    "math/bits"
)

// Main function
func main() {

    // Using OnesCount16() function
    a1 := bits.OnesCount16(4)
    fmt.Printf("OnesCount16(%016b) := %d\n", 4, a1)

    a2 := bits.OnesCount16(13)
    fmt.Printf("OnesCount16(%016b) := %d\n", 13, a2)

}

Output:

OnesCount16(0000000000000100) := 1
OnesCount16(0000000000001101) := 3

bits.OnesCount64() Function in Golang with Examples

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