Add 'xo-randomgen/' from commit '44a31724ec'

git-subtree-dir: xo-randomgen
git-subtree-mainline: 57170366da
git-subtree-split: 44a31724ec

xo-randomgen/example/ex1/ex1.cpp

@@ -0,0 +1,24 @@
+/* @file ex1.cpp */
+
+#include "xo/randomgen/xoshiro256.hpp"
+#include <algorithm>
+#include <iostream>
+
+using namespace xo;
+using namespace xo::rng;
+
+int
+main(int argc, char ** argv) {
+    xoshiro256ss rng{123456789};
+
+    std::array<std::uint64_t, 20> v;
+
+    std::generate(v.begin(), v.end(), rng);
+
+    for (std::uint64_t i=0; i<v.size(); ++i)
+        std::cout << "v[" << i << "]: " << v[i] << std::endl;
+
+    return 0;
+} /*main*/
+
+/* end ex1.cpp */