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Multiple ways to parse to absolute number swift with example


This tutorial explains how to calculate the absolute value of a number in swift programming.

The absolute value of a number returns a number by removing the negative sign.

For example, The input number is -123, And the absolute value is 123. if the number is 11 and the absolute value is 11.

There are multiple ways to convert to absolute value,

  • One way is using the Int magnitude property and
  • Another way using abs for Int, fabs for double, and fabsf for float types

Swift Convert to the absolute value

First Import the foundation into code to use these methods

  • abs() function for Int type

    It returns the absolute value of a number.

import Foundation;

var number = -123
print(abs(number)) //123
number=1231
print(abs(number)) //1231
  • fabs() function for Double type

    It returns the absolute value of a number.

import Foundation;

var number :Double = -123.123
print(fabs(number)) //123.123
  • fabsf() function for Float type fabsf() function accepts Float type and return absolute value.
import Foundation;

var number :Float = -123.123
print(fabsf(number))
  • use Int magnitude property of Int type
import Foundation;

var number  = -345.123
print(number.magnitude) //345.123

Conclusion

There are multiple ways we can convert to absolute value for a given number. The number can be Int, Float, or Double type

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