Go Dim()

The Dim() function takes two floating-point numbers (x and y), calculates the difference (x - y), and then returns either this value, or 0 (if the difference is negative). The result is a single floating-point number that represents the maximum difference between x and y.

Syntax

difference := math.Dim(x, y)

The Dim() function returns a single value of type float64. If the difference (x-y) is greater than 0, it is returned; else, 0 is returned.

Note these special cases:

• Passing NaN in this function will return NaN.
• Passing positive or negative Inf in this function will return NaN.

Example

In this Go code example, we have a simple program that calculates and prints the positive difference between two numbers, 7.0 and 4.0, using the Dim() function from the math package.

package main
import (
"fmt"
"math"
)

func  main() {
// Define two numbers
a := 7.0
b := 4.0

// Calculate the positive difference between a and b using math.Dim()
difference := math.Dim(a, b)
fmt.Printf("The positive difference between %.1f and %.1f is %.1f\n", a, b, difference)
}

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The above code results in the following output:

The  positive  difference  between 7 and 4 = 3

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Codebyte Example

The example below is runnable and demonstrates the Dim() function.

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