Updated library layout
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79
ArrayAlgorithms.ts
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79
ArrayAlgorithms.ts
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//typescriptClasses/ArrayAlgorithms.ts
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//Matthew Ellison
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// Created: 07-13-21
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//Modified: 07-13-21
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//Algorithms for arrays
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/*
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Copyright (C) 2021 Matthew Ellison
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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//Returns true if array 1 and array 2 elements are the same
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export function arrayEquals(array1: any[], array2: any[]): boolean{
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//If they aren't the same type they aren't equal
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if((typeof array1) != (typeof array2)){
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return false;
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}
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//If they aren't the same length they aren't equal
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else if(array1.length != array2.length){
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return false;
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}
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else{
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//Loop through every element to see if each one is equal
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for(let cnt = 0;cnt < array1.length;++cnt){
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//If any element in the same location is different return false
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if(array1[cnt] != array2[cnt]){
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return false;
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}
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}
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//If every element was the same they are equal
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return true;
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}
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}
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//Returns the sum of all elements in the array
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export function getSum(ary: number[]): number{
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let sum: number = 0;
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ary.forEach(a => sum += a);
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return sum;
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}
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export function getSumBig(ary: bigint[]): bigint{
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let sum: bigint = 0n;
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ary.forEach(a => sum += a);
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return sum;
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}
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//Returns the product of all elements in the array
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export function getProd(ary: number[]): number{
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//Return 0 if the array is empty
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if(ary.length == 0){
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return 0;
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}
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let prod: number = 1;
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ary.forEach(a => prod *= a);
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return prod;
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}
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export function getProdBig(ary: bigint[]): bigint{
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//Return 0 if the array is empty
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if(ary.length == 0){
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return 0n;
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}
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let prod: bigint = 1n;
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ary.forEach(a => prod *= a);
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return prod;
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}
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