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randomgen: fixing include paths for xo/ insertion

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This commit is contained in:
Roland Conybeare 2023-10-06 18:41:45 -04:00
commit 00fae469e0
6 changed files with 3 additions and 5 deletions
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36
include/randomgen/engine_concept.hpp
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@ -1,36 +0,0 @@
/* @file engine_concept.hpp */
#pragma once
#include <concepts>
#include <random>
namespace xo {
namespace rng {
/* an engine generates psuedo-random bits.
* given
* RngEngine eng = ...;
*
* RngEngine::result_type x = eng();
*
* puts random bits into x.
*/
template <class RngEngine>
concept engine_concept = requires(RngEngine engine, typename RngEngine::result_type r) {
/* note: the first 4 requirements characterize UniformRandomBitGenerator */
typename RngEngine::result_type;
{ RngEngine(r) };
{ engine.min() } -> std::same_as<typename RngEngine::result_type>;
{ engine.max() } -> std::same_as<typename RngEngine::result_type>;
/* must return value in closed interval [.min(), .max()] */
{ engine() } -> std::same_as<typename RngEngine::result_type>;
{ engine.seed() };
{ engine.seed(r) };
{ engine == engine };
{ engine != engine };
} && std::copyable<RngEngine> && std::uniform_random_bit_generator<RngEngine>;
} /*namespace rng*/
} /*namespace xo*/
/* end engine_concept.hpp */