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Commitbd34e9f

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feat: remove duplicatedgcd-like functions (TheAlgorithms#1642)
* feat: remove duplicated `gcd`-like functions* Updated Documentation in README.md---------Co-authored-by: vil02 <vil02@users.noreply.github.com>
1 parent0204198 commitbd34e9f

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4 files changed

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-55
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4 files changed

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‎DIRECTORY.md

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@@ -260,7 +260,6 @@
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*[SquareRootLogarithmic](Maths/SquareRootLogarithmic.js)
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*[SumOfDigits](Maths/SumOfDigits.js)
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*[SumOfGeometricProgression](Maths/SumOfGeometricProgression.js)
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*[TwinPrime](Maths/TwinPrime.js)
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*[TwoSum](Maths/TwoSum.js)
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*[Volume](Maths/Volume.js)
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*[WhileLoopFactorial](Maths/WhileLoopFactorial.js)
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***Recursive**
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*[BinaryEquivalent](Recursive/BinaryEquivalent.js)
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*[BinarySearch](Recursive/BinarySearch.js)
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*[EucledianGCD](Recursive/EucledianGCD.js)
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*[Factorial](Recursive/Factorial.js)
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*[FibonacciNumberRecursive](Recursive/FibonacciNumberRecursive.js)
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*[FloodFill](Recursive/FloodFill.js)

‎Maths/GetEuclidGCD.js

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functionCheckInput(a,b){
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if(typeofa!=='number'||typeofb!=='number'){
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thrownewTypeError('Arguments must be numbers')
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}
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}
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/**
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* GetEuclidGCD Euclidean algorithm to determine the GCD of two numbers
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*@param {Number} a integer (may be negative)
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*@param {Number} b integer (may be negative)
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*@returns {Number} Greatest Common Divisor gcd(a, b)
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*/
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exportfunctionGetEuclidGCD(a,b){
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if(typeofa!=='number'||typeofb!=='number'){
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thrownewTypeError('Arguments must be numbers')
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}
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CheckInput(a,b)
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a=Math.abs(a)
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b=Math.abs(b)
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while(b!==0){
@@ -17,3 +21,19 @@ export function GetEuclidGCD(a, b) {
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}
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returna
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}
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/**
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* Recursive version of GetEuclidGCD
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*@param {Number} a integer (may be negative)
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*@param {Number} b integer (may be negative)
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*@returns {Number} Greatest Common Divisor gcd(a, b)
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*/
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exportfunctionGetEuclidGCDRecursive(a,b){
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CheckInput(a,b)
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a=Math.abs(a)
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b=Math.abs(b)
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if(b==0){
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returna
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}
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returnGetEuclidGCDRecursive(b,a%b)
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}

‎Maths/test/GetEuclidGCD.test.js

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import{GetEuclidGCD}from'../GetEuclidGCD'
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import{GetEuclidGCD,GetEuclidGCDRecursive}from'../GetEuclidGCD'
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describe('GetEuclidGCD',()=>{
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it.each([
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[5,20,5],
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[109,902,1],
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[290,780,10],
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[104,156,52],
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[0,100,100],
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[-5,50,5],
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[0,0,0],
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[1,1234567,1]
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])('returns correct result for %i and %j',(inputA,inputB,expected)=>{
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expect(GetEuclidGCD(inputA,inputB)).toBe(expected)
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expect(GetEuclidGCD(inputB,inputA)).toBe(expected)
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})
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describe.each([GetEuclidGCD,GetEuclidGCDRecursive])(
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'%# GetEuclidGCD',
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(gcdFunction)=>{
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it.each([
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[5,20,5],
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[109,902,1],
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[290,780,10],
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[104,156,52],
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[0,100,100],
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[-5,50,5],
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[0,0,0],
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[1,1234567,1]
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])('returns correct result for %i and %j',(inputA,inputB,expected)=>{
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expect(gcdFunction(inputA,inputB)).toBe(expected)
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expect(gcdFunction(inputB,inputA)).toBe(expected)
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})
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it('should throw when any of the inputs is not a number',()=>{
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expect(()=>GetEuclidGCD('1',2)).toThrowError()
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expect(()=>GetEuclidGCD(1,'2')).toThrowError()
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})
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})
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it('should throw when any of the inputs is not a number',()=>{
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expect(()=>gcdFunction('1',2)).toThrowError()
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expect(()=>gcdFunction(1,'2')).toThrowError()
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})
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}
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)

‎Recursive/EucledianGCD.js

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