Added prod and sum functions for arrays

Algorithms.ts

@@ -21,6 +21,7 @@ Copyright (C) 2021  Matthew Ellison
 */
 
 
+import { SSL_OP_SSLEAY_080_CLIENT_DH_BUG } from "constants";
 import { InvalidResult } from "./InvalidResult";
 
 
@@ -387,3 +388,34 @@ export function getFactorsBig(goalNumber: bigint): bigint[]{
 	//Return the list of factors
 	return factors;
 }
+
+export function getSum(ary: number[]): number{
+	let sum: number = 0;
+	ary.forEach(a => sum += a);
+	return sum;
+}
+export function getSumBig(ary: bigint[]): bigint{
+	let sum: bigint = 0n;
+	ary.forEach(a => sum += a);
+	return sum;
+}
+export function getProd(ary: number[]): number{
+	//Return 0 if the array is empty
+	if(ary.length == 0){
+		return 0;
+	}
+
+	let prod: number = 1;
+	ary.forEach(a => prod *= a);
+	return prod;
+}
+export function getProdBig(ary: bigint[]): bigint{
+	//Return 0 if the array is empty
+	if(ary.length == 0){
+		return 0n;
+	}
+
+	let prod: bigint = 1n;
+	ary.forEach(a => prod *= a);
+	return prod;
+}

TestAlgorithms.ts

@@ -22,7 +22,9 @@ Copyright (C) 2021  Matthew Ellison
 
 
 import assert = require("assert");
-import { arrayEquals, getAllFib, getAllFibBig, getFactors, getFactorsBig, getPrimes, getPrimesBig, getNumPrimes, getNumPrimesBig, sqrtBig } from "./Algorithms";
+import { SSL_OP_SSLEAY_080_CLIENT_DH_BUG } from "constants";
+import { arrayEquals, getAllFib, getAllFibBig, getFactors, getFactorsBig, getPrimes, getPrimesBig, getNumPrimes, getNumPrimesBig,
+		sqrtBig, getSum, getSumBig, getProd, getProdBig } from "./Algorithms";
 
 
 function testArrayEquals(){
@@ -163,11 +165,52 @@ function testGetFactors(){
 	let bigCorrectAnswer = [2n, 7n, 7n];
 	let bigNumber = 98n;
 	let bigAnswer = getFactorsBig(bigNumber);
-	assert.ok(arrayEquals(answer, correctAnswer), "getFactors BigInt failed");
+	assert.ok(arrayEquals(bigAnswer, bigCorrectAnswer), "getFactors BigInt failed");
 
 	console.log("getFactors passed");
 }
 
+function testGetSum(){
+	//Test 1
+	let correctAnswer: number = 0;
+	let numbers: number[] = [];
+	let answer: number = getSum(numbers);
+	assert.ok((correctAnswer == answer), "getSum number 1 failed");
+	//Test 2
+	correctAnswer = 118;
+	numbers = [2, 2, 3, 3, 4, 4, 100];
+	answer = getSum(numbers);
+	assert.ok((correctAnswer == answer), "getSum number 2 failed");
+
+	//Test 3
+	let bigCorrectAnswer: bigint = 118n;
+	let bigNumbers: bigint[] = [2n, 2n, 3n, 3n, 4n, 4n, 100n];
+	let bigAnswer: bigint = getSumBig(bigNumbers);
+	assert.ok((bigCorrectAnswer == bigAnswer), "getSumBig failed");
+
+	console.log("getSum passed");
+}
+function testGetProd(){
+	//Test 1
+	let correctAnswer: number = 0;
+	let numbers: number[] = [];
+	let answer: number = getProd(numbers);
+	assert.ok((correctAnswer == answer), "getProd number 1 failed");
+	//Test 2
+	correctAnswer = 57600;
+	numbers = [2, 2, 3, 3, 4, 4, 100];
+	answer = getProd(numbers);
+	assert.ok((correctAnswer == answer), "getProd number 2 failed");
+
+	//Test 3
+	let bigCorrectAnswer: bigint = 57600n;
+	let bigNumbers: bigint[] = [2n, 2n, 3n, 3n, 4n, 4n, 100n];
+	let bigAnswer: bigint = getProdBig(bigNumbers);
+	assert.ok((bigCorrectAnswer == bigAnswer), "getProdBig failed");
+
+	console.log("getProd passed");
+}
+
 
 //Run all of the tests
 testArrayEquals();
@@ -176,3 +219,5 @@ testGetAllFib();
 testGetPrimes();
 testGetNumPrimes();
 testGetFactors();
+testGetSum();
+testGetProd();