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Fixed bug in getPrimes where it would skip adding 2 on odd numbers

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This commit is contained in:
Matthew Ellison
2019-02-08 18:45:56 -05:00
parent e3bdd3e0f9
commit 6a06c2f1aa
1 changed files with 5 additions and 7 deletions
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12
Algorithms.hpp
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@@ -96,13 +96,11 @@ std::vector<T> getPrimes(T goalNumber){
std::vector<T> primes;
bool foundFactor = false;
//If the number is 0 or a negative number return an empty vector
if(goalNumber < 1){
//If the number is 1, 0, or a negative number return an empty vector
if(goalNumber <= 1){
return primes;
}
//If the number is even 2 is a factor
if((goalNumber % 2) == 0){
else{
primes.push_back(2);
}
//We can now start at 3 and skip all of the even numbers
@@ -134,8 +132,8 @@ std::vector<T> getNumPrimes(T numberOfPrimes){
primes.reserve(numberOfPrimes); //Saves cycles later
bool foundFactor = false;
//If the number is 0 or a negative number return an empty vector
if(numberOfPrimes < 1){
//If the number is 1, 0, or a negative number return an empty vector
if(numberOfPrimes <= 1){
return primes;
}
//Otherwise 2 is the first prime number