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Fixed bug for empty array in get product

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Mattrixwv
2019-02-28 11:18:46 -05:00
parent 430a22c34b
commit 7bd89b9479
1 changed files with 9 additions and 3 deletions
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12
Algorithms.hpp
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@@ -1,10 +1,10 @@
//myClasses/Algorithms.hpp //myClasses/Algorithms.hpp
//Matthew Ellison //Matthew Ellison
// Created: 11-8-18 // Created: 11-08-18
//Modified: 1-30-19 //Modified: 02-28-19
//This file contains the declarations and implementations to several algoritms that I have found useful //This file contains the declarations and implementations to several algoritms that I have found useful
/* /*
Copyright (C) 2018 Matthew Ellison Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by it under the terms of the GNU Lesser General Public License as published by
@@ -244,6 +244,12 @@ T getSum(const std::vector<T>& ary){
//This is a function that returns the product of all elmements in a vector //This is a function that returns the product of all elmements in a vector
template <class T> template <class T>
T getProduct(const std::vector<T>& ary){ T getProduct(const std::vector<T>& ary){
//Make sure there is something in the array
if(ary.size() == 0){
return 0;
}
//Multiply all elements in the array together
T prod = 1; T prod = 1;
for(T cnt = 0;cnt < ary.size();++cnt){ for(T cnt = 0;cnt < ary.size();++cnt){
prod *= ary.at(cnt); prod *= ary.at(cnt);