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Golang program to convert 64-bit float number into 32-bit float number

Here, we are going to learn how to convert 64-bit float number into 32-bit float number in Golang (Go Language)?
Submitted by Nidhi, on March 14, 2021 [Last updated : March 03, 2023]

Converting a 64-bit float number into 32-bit float number in Golang

Problem Solution:

In this program, we will convert the 64-bit float number into a 32-bit float number using the float32() function and print the result on the console screen.

Program/Source Code:

The source code to convert 64-bit a float number into a 32-bit float number is given below. The given program is compiled and executed successfully.

Golang code to convert a 64-bit float number into 32-bit float number

// Golang program to convert 64-bit float number
// into 32-bit float number

package main

import "fmt"

func main() {
	var floatNum64 float64 = 76.28
	var floatNum32 float32 = 0

	floatNum32 = float32(floatNum64)
	fmt.Println("32-Bit float number: ", floatNum32)
}

Output:

32-Bit float number:  76.28

Explanation:

In the above program, we declare the package main. The main package is used to tell the Go language compiler that the package must be compiled and produced the executable file. Here, we imported the fmt package that includes the files of package fmt then we can use a function related to the fmt package.

In the main() function, we two variables floatNum64, floatNum32 that are initialized with 76.28, 0 respectively.

After that, we converted the floatNum64 variable into a 32-bit float number and assigned it to the floatNum32 variable using float32() function, and print the result on the console screen.

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