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82 lines
2 KiB
C++
82 lines
2 KiB
C++
#ifndef SPROUT_LIBS_RANDOM_TEST_DISTRIBUTION_GENERIC_HPP
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#define SPROUT_LIBS_RANDOM_TEST_DISTRIBUTION_GENERIC_HPP
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#include <string>
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#include <sstream>
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#include <sprout/random/linear_congruential.hpp>
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#include <sprout/random/unique_seed.hpp>
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#include <testspr/tools.hpp>
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namespace testspr {
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template<typename Distribution, typename Engine = sprout::random::minstd_rand0>
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void random_distribution_test_generic() {
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using namespace sprout;
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{
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SPROUT_STATIC_CONSTEXPR auto parm = typename Distribution::param_type();
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SPROUT_STATIC_CONSTEXPR auto dist1 = Distribution(parm);
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SPROUT_STATIC_CONSTEXPR auto dist2 = Distribution(parm);
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// min
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// max
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TESTSPR_BOTH_ASSERT(dist1.min() <= dist1.max());
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// param
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TESTSPR_BOTH_ASSERT(parm == dist1.param());
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{
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auto dist_temp = Distribution();
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dist_temp.param(parm);
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TESTSPR_ASSERT(dist_temp == dist1);
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}
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// operator==
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// operator!=
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TESTSPR_BOTH_ASSERT(dist1 == dist2);
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TESTSPR_BOTH_ASSERT(!(dist1 != dist2));
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{
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std::string s;
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// operator<<
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{
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std::ostringstream os;
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os << dist1;
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TESTSPR_ASSERT(os);
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s = os.str();
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}
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auto dist_temp = Distribution();
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// operator>>
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{
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std::istringstream is(s);
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is >> dist_temp;
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TESTSPR_ASSERT(is);
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}
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TESTSPR_ASSERT(dist_temp == dist1);
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}
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// operator()
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{
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SPROUT_STATIC_CONSTEXPR auto eng = Engine(SPROUT_UNIQUE_SEED);
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{
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SPROUT_STATIC_CONSTEXPR auto rnd = dist1(eng);
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// result
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TESTSPR_BOTH_ASSERT(dist1.min() <= rnd.result());
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TESTSPR_BOTH_ASSERT(rnd.result() <= dist1.max());
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// engine
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TESTSPR_BOTH_ASSERT(rnd.engine().min() <= rnd.engine().max());
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// distribution
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TESTSPR_BOTH_ASSERT(rnd.distribution().min() <= rnd.distribution().max());
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}
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}
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}
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}
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} // namespace testspr
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#endif // #ifndef SPROUT_LIBS_RANDOM_TEST_DISTRIBUTION_GENERIC_HPP
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