Testing testing one two 3

.gitignore

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+# Ignore emacs backups
+*~

Makefile

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+default:
+	mkdir bin
+	c++ main.cpp -o bin/primes

README.md

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+# test git repo
+## teh code is to generate primes

main.cpp

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+
+// Generate primes using the sieve of eratosthenes
+#include <iostream>
+#include <vector>
+
+int main() {
+  // TODO: make it work with GMP (https://gmplib.org/)
+  unsigned int nextnumber { 3 };
+  bool notprime;
+  std::vector<unsigned int> primes;
+  primes.push_back(2); // Initial prime
+  std::cout << "2\n";
+
+  while (true) {
+    notprime = false;
+    for (unsigned int i=0;i<primes.size();++i) {
+      if (nextnumber % primes[i] == 0) {
+	notprime = true;
+	break;
+      }
+    }
+    if (!notprime) {
+      primes.push_back(nextnumber);
+      std::cout << nextnumber << '\n';
+    }
+    nextnumber += 2; // Except for two, primes are odd. This skips even numbers.
+  }
+}