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authorVincent Ambo <mail@tazj.in>2020-07-15T07·20+0100
committerVincent Ambo <mail@tazj.in>2020-07-15T07·20+0100
commit7f19d641647ac4ef313ed88d6b5c140983ce5436 (patch)
tree31b66c81465293da5c093c5dde3e419758c0d6cc /benchmark/set/unsigned/generator.ipp
Squashed 'third_party/immer/' content from commit ad3e3556d
git-subtree-dir: third_party/immer
git-subtree-split: ad3e3556d38bb75966dd24c61a774970a7c7957e
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+//
+// immer: immutable data structures for C++
+// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
+//
+// This software is distributed under the Boost Software License, Version 1.0.
+// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
+//
+
+#include <random>
+#include <vector>
+#include <cassert>
+#include <functional>
+#include <algorithm>
+
+#define GENERATOR_T generate_unsigned
+
+namespace {
+
+struct GENERATOR_T
+{
+    auto operator() (std::size_t runs) const
+    {
+        assert(runs > 0);
+        auto engine = std::default_random_engine{42};
+        auto dist = std::uniform_int_distribution<unsigned>{};
+        auto r = std::vector<unsigned>(runs);
+        std::generate_n(r.begin(), runs, std::bind(dist, engine));
+        return r;
+    }
+};
+
+} // namespace