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Golang does division

王林
王林Original
2023-05-16 12:09:371600browse

With the continuous advancement of computer technology, more and more programming languages ​​have emerged. Among them, Golang (also known as Go), as an open source programming language, is getting more and more attention and love from programmers. Go language has good optimization capabilities and is widely used in cloud computing, network programming, embedded systems, artificial intelligence and other fields. In the calculation process, especially in the operation process involving division, Golang also has its own unique implementation method.

Golang’s division operation is similar to other languages, using the division sign (/) for division calculations. In Golang, there are two forms of division operations, namely floating-point division and integer division. Floating-point division returns the floating-point form of the result, while integer division truncates and returns the integer form of the result. The detailed implementation of these two division operations is introduced below.

1. Floating-point division

Golang’s floating-point division operation uses the division sign (/) for calculation, and the operation result is in the form of a floating-point number. For example, the operation expression 3.0/2.0 will return a floating point result of 1.5. The following is a complete example of floating-point division operation:

package main

import "fmt"

func main() {
    a := 3.0
    b := 2.0
    c := a / b
    fmt.Println(c)
}

In this example, we define two floating-point numbers a and b, assigned values ​​​​3.0 and 2.0 respectively. We then divide a by b to get the result 1.5 and save the result in the variable c. Finally, we print out the result 1.5 by using the Println function from the fmt package.

2. Integer division

Golang’s integer division operation also uses the division sign (/) for calculation, but the operation result is an integer type, and truncation is performed during the operation. For example, the expression 3/2 returns the integer result 1. The following is a complete example of integer division operation:

package main

import "fmt"

func main() {
    a := 3
    b := 2
    c := a / b
    fmt.Println(c)
}

In this example, we define two integers a and b, assigned the values ​​​​3 and 2 respectively. Then, we divide a by b, get the result 1, and save the result in the variable c. Finally, we print out the result 1 by using the Println function in the fmt package.

It should be noted that if division by 0 occurs during integer division, the program will throw a panic exception by default. Therefore, we should pay attention to the handling of special cases when using division operations.

Summary

Golang, as an open source programming language, has its own special implementation method for division operations. The floating-point division operation is similar to that of other languages. It uses the division sign to perform calculations and returns a floating-point result. Integer division will perform truncation during the operation and return an integer result. It should be noted that division by 0 may occur during division operations, and we should handle it specially in the program.

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