Q:

Swift program to truncate a double number

belongs to collection: Swift Mathematical Functions Programs

YasminRadwan26
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2022-07-12
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Here, we will truncate a double number using the trunc() function. The trunc() function accepts a double number and returns the truncated number to the calling function.

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YasminRadwan26
2022-07-12
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Program/Source Code:

The source code to truncate a double number is given below. The given program is compiled and executed successfully.

// Swift program to truncate a double number

import Swift
import Foundation

var res:Double  =   0.0

res = trunc(16.57)

print("Result is: ",res)

Output:

Result is:  16.0

...Program finished with exit code 0
Press ENTER to exit console.

Explanation:

In the above program, we imported a package Swift to use the print() function using the below statement,

import Swift;

To use mathematics and some standard functions, we need to import the foundation package using the below statement,

import Foundation;

Here, we created a double type variable res initialized with 0.0. Then we truncated the specified number using the trunc() function and printed the result on the console screen.

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Swift Mathematical Functions Programs
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