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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
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libs/random/example/random.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>
//
// Compile Time Random
//
int
main(){
//
// Random engine
//
static constexpr sprout::hellekalek1995 engine;
static_assert(engine() == 2110608584, "");
static_assert(engine()() == 239248507, "");
//
// Distribution
//
static constexpr sprout::uniform_int_distribution<int> dist(100, 999);
//
// Get random value
//
// return int value
static constexpr int n = *dist(engine);
// or
// operator int
// static constexpr int n = dist(engine);
static_assert(n == 984, "");
//
// Next random value
//
static_assert(dist(engine)() == 200, "");
static_assert(dist(engine)()() == 566, "");
static_assert(dist(engine)()()() == 255, "");
static_assert(dist(engine)()()()() == 175, "");
return 0;
}