How to resolve the algorithm Calculating the value of e step by step in the Swift programming language

Published on 12 May 2024 09:40 PM
#Swift

How to resolve the algorithm Calculating the value of e step by step in the Swift programming language

Table of Contents

Problem Statement

Calculate the value of   e.

(e   is also known as   Euler's number   and   Napier's constant.)

See details: Calculating the value of e

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Calculating the value of e step by step in the Swift programming language

Source code in the swift programming language

import Foundation


func calculateE(epsilon: Double = 1.0e-15) -> Double {
  var fact: UInt64 = 1
  var e = 2.0, e0 = 0.0
  var n = 2

  repeat {
    e0 = e
    fact *= UInt64(n)
    n += 1
    e += 1.0 / Double(fact)
  } while fabs(e - e0) >= epsilon

  return e
}

print(String(format: "e = %.15f\n", arguments: [calculateE()]))

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