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Add Sprout.Random examples.

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manga_osyo 2013-04-11 00:42:55 +09:00
parent 8885b115f7
commit 5ea890da1a
4 changed files with 206 additions and 0 deletions
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57
libs/random/example/seed.cpp Normal file
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//
// Sprout C++ Library
//
// Copyright (c) 2013
// bolero-MURAKAMI : http://d.hatena.ne.jp/boleros/
// osyo-manga : http://d.hatena.ne.jp/osyo-manga/
//
// Readme:
// https://github.com/bolero-MURAKAMI/Sprout/blob/master/README
//
// License:
// Boost Software License - Version 1.0
// <http://www.boost.org/LICENSE_1_0.txt>
//
#include <sprout/random.hpp>
#include <iostream>
// #include <boost/mpl/print.hpp>
int
main(){
static constexpr sprout::uniform_int_distribution<int> dist(100, 999);
{
static constexpr auto seed = 2013;
static constexpr sprout::default_random_engine engine(seed);
static_assert(engine() == 33832491, "");
static_assert(dist(engine) == 114, "");
}
{
static constexpr auto seed = 8379842;
static constexpr sprout::default_random_engine engine(seed);
static_assert(engine() == 1253567439, "");
static_assert(dist(engine) == 625, "");
}
//
// Compile time unique seed
//
{
static constexpr auto seed = SPROUT_UNIQUE_SEED;
std::cout << seed << std::endl;
static constexpr sprout::default_random_engine engine(seed);
std::cout << engine() << std::endl;
std::cout << dist(engine) << std::endl;
// compile time output
// typedef boost::mpl::print<boost::mpl::int_<seed>>::type unique_seed_type;
// typedef boost::mpl::print<boost::mpl::int_<engine()>>::type engine_type;
// typedef boost::mpl::print<boost::mpl::int_<dist(engine)>>::type dist_type;
}
return 0;
}