Go Mod()

The Mod() function returns the floating-point remainder of dividing x by y. The result has the same sign as x and a magnitude less than the magnitude of y.

The Mod() function operates exclusively with floating-point numbers.

Note: If the numbers involved in the operation are of integer type, the % modulus operator should be used instead. The % operator works with integers, while math.Mod() operates with floating-point numbers.

Syntax

math.Mod(x,y)

The Mod() function takes two arguments of type ‘float64’.

Please be aware of the following special cases:

1. If the argument has a +Inf value, the return value will be 0:
2. If the value of x is either (±)Inf or NAN, the return value will be NaN.
3. The return value is NAN if the value of the second argument is either 0 or NAN.
4. If (±)Inf is passed as the second argument, the return value is x (first argument).

Example

The following example demonstrates how to use the Mod() function and print the result:

package main

import(
  "fmt"
  "math"
)

func main() {
  a:= 23.50
  b:= 5.20

  modResult := math.Mod(a, b)
  fmt.Printf("The modulus of %.2f and %.2f = %.2f", a, b, modResult)
}

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The output will be:

The modulus of 23.50 and 5.20 = 2.70

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Codebyte Example

The provided example is executable and demonstrates special cases in the use of the Mod() function:

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