diff options
Diffstat (limited to 'libcxx/test/std/numerics/rand/rand.util')
9 files changed, 1074 insertions, 0 deletions
diff --git a/libcxx/test/std/numerics/rand/rand.util/nothing_to_do.pass.cpp b/libcxx/test/std/numerics/rand/rand.util/nothing_to_do.pass.cpp new file mode 100644 index 00000000000..b58f5c55b64 --- /dev/null +++ b/libcxx/test/std/numerics/rand/rand.util/nothing_to_do.pass.cpp @@ -0,0 +1,12 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +int main() +{ +} diff --git a/libcxx/test/std/numerics/rand/rand.util/rand.util.canonical/generate_canonical.pass.cpp b/libcxx/test/std/numerics/rand/rand.util/rand.util.canonical/generate_canonical.pass.cpp new file mode 100644 index 00000000000..7433e28e493 --- /dev/null +++ b/libcxx/test/std/numerics/rand/rand.util/rand.util.canonical/generate_canonical.pass.cpp @@ -0,0 +1,100 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType, size_t bits, class URNG> +// RealType generate_canonical(URNG& g); + +#include <random> +#include <cassert> + +int main() +{ + { + typedef std::minstd_rand0 E; + typedef float F; + E r; + F f = std::generate_canonical<F, 0>(r); + assert(f == (16807 - E::min()) / (E::max() - E::min() + F(1))); + } + { + typedef std::minstd_rand0 E; + typedef float F; + E r; + F f = std::generate_canonical<F, 1>(r); + assert(f == (16807 - E::min()) / (E::max() - E::min() + F(1))); + } + { + typedef std::minstd_rand0 E; + typedef float F; + E r; + F f = std::generate_canonical<F, std::numeric_limits<F>::digits - 1>(r); + assert(f == (16807 - E::min()) / (E::max() - E::min() + F(1))); + } + { + typedef std::minstd_rand0 E; + typedef float F; + E r; + F f = std::generate_canonical<F, std::numeric_limits<F>::digits>(r); + assert(f == (16807 - E::min()) / (E::max() - E::min() + F(1))); + } + { + typedef std::minstd_rand0 E; + typedef float F; + E r; + F f = std::generate_canonical<F, std::numeric_limits<F>::digits + 1>(r); + assert(f == (16807 - E::min()) / (E::max() - E::min() + F(1))); + } + + { + typedef std::minstd_rand0 E; + typedef double F; + E r; + F f = std::generate_canonical<F, 0>(r); + assert(f == (16807 - E::min()) / (E::max() - E::min() + F(1))); + } + { + typedef std::minstd_rand0 E; + typedef double F; + E r; + F f = std::generate_canonical<F, 1>(r); + assert(f == (16807 - E::min()) / (E::max() - E::min() + F(1))); + } + { + typedef std::minstd_rand0 E; + typedef double F; + E r; + F f = std::generate_canonical<F, std::numeric_limits<F>::digits - 1>(r); + assert(f == + (16807 - E::min() + + (282475249 - E::min()) * (E::max() - E::min() + F(1))) / + ((E::max() - E::min() + F(1)) * (E::max() - E::min() + F(1)))); + } + { + typedef std::minstd_rand0 E; + typedef double F; + E r; + F f = std::generate_canonical<F, std::numeric_limits<F>::digits>(r); + assert(f == + (16807 - E::min() + + (282475249 - E::min()) * (E::max() - E::min() + F(1))) / + ((E::max() - E::min() + F(1)) * (E::max() - E::min() + F(1)))); + } + { + typedef std::minstd_rand0 E; + typedef double F; + E r; + F f = std::generate_canonical<F, std::numeric_limits<F>::digits + 1>(r); + assert(f == + (16807 - E::min() + + (282475249 - E::min()) * (E::max() - E::min() + F(1))) / + ((E::max() - E::min() + F(1)) * (E::max() - E::min() + F(1)))); + } +} diff --git a/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/assign.fail.cpp b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/assign.fail.cpp new file mode 100644 index 00000000000..6b5d75042d3 --- /dev/null +++ b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/assign.fail.cpp @@ -0,0 +1,23 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// class seed_seq; + +// seed_seq(); + +#include <random> + +int main() +{ + std::seed_seq s0; + std::seed_seq s; + s = s0; +} diff --git a/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/copy.fail.cpp b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/copy.fail.cpp new file mode 100644 index 00000000000..cf260fcc01e --- /dev/null +++ b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/copy.fail.cpp @@ -0,0 +1,22 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// class seed_seq; + +// seed_seq(); + +#include <random> + +int main() +{ + std::seed_seq s0; + std::seed_seq s(s0); +} diff --git a/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/default.pass.cpp b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/default.pass.cpp new file mode 100644 index 00000000000..bf4210aa995 --- /dev/null +++ b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/default.pass.cpp @@ -0,0 +1,23 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// class seed_seq; + +// seed_seq(); + +#include <random> +#include <cassert> + +int main() +{ + std::seed_seq s; + assert(s.size() == 0); +} diff --git a/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/generate.pass.cpp b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/generate.pass.cpp new file mode 100644 index 00000000000..9712f61d681 --- /dev/null +++ b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/generate.pass.cpp @@ -0,0 +1,805 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// class seed_seq; + +// template<class RandomAccessIterator> +// void generate(RandomAccessIterator begin, RandomAccessIterator end); + +#include <random> +#include <cassert> + +int main() +{ + { + // These numbers generated from a slightly altered version of dSFMT + // http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/SFMT/index.html + unsigned a[] = + { + 509928861u, + 482551238u, + 141770655u, + 3445468037u, + 1614807826u, + 3110698871u, + 809182926u, + 2644632325u, + 3885131857u, + 1278630374u, + 3648975313u, + 1217833759u, + 1509686260u, + 2817190507u, + 134525747u, + 250267852u, + 2559105345u, + 2416641579u, + 426100435u, + 486929906u, + 241178241u, + 3531539379u, + 704692991u, + 3001633456u, + 3990516671u, + 2619782509u, + 588842726u, + 2871949673u, + 621390331u, + 2304055997u, + 3809702625u, + 2471383485u, + 1630735687u, + 2167939898u, + 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1880645824u, + 1783695477u, + 2639075904u, + 2369609874u, + 2020298024u, + 3035677150u, + 20152938u, + 3700162244u, + 2301383878u, + 704787941u, + 1912605772u, + 801557569u, + 3080244537u, + 2116665331u, + 2452111071u, + 3506260614u, + 862540580u, + 1275699972u, + 66210903u, + 106773917u, + 3693457478u, + 2402783622u, + 1239121180u, + 676003037u, + 2603048829u, + 1725001637u, + 1220274379u, + 24507488u, + 903764486u, + 4189545897u, + 1702746631u, + 3218068652u, + 3306659191u, + 790973134u, + 1265526960u, + 3431804268u, + 3325211765u, + 3605213000u, + 2877687268u, + 2252987926u, + 2380945092u, + 858624424u, + 1002964636u, + 1862801950u, + 1624111941u, + 2506763607u, + 760658520u, + 2734479345u, + 3411969548u, + 771362694u, + 3655222003u, + 2713412965u, + 2617767046u, + 1779451182u, + 3696950253u, + 1494085808u, + 1423735456u, + 800705781u, + 3797847307u, + 3518984231u, + 196474988u, + 1813335502u, + 2243046583u, + 2578707704u, + 2592488572u, + 4085007200u, + 3609770110u, + 2731535571u, + 3190540952u, + 1865257805u, + 1804143221u, + 3166875197u, + 1184225570u, + 2013135819u, + 3678444101u, + 2569887572u, + 3559018477u, + 3823772506u, + 1537738480u, + 713705243u, + 792081862u, + 1581340885u, + 3140030205u, + 3435723625u, + 3093218524u, + 3683643763u, + 753869336u, + 590258834u, + 608176704u, + 180732483u, + 31365344u, + 29753898u, + 2899243456u, + 1020423361u, + 152655309u, + 3809554076u, + 2069071231u, + 4000441303u, + 3046501174u, + 1897816893u, + 1610689080u, + 2580357110u, + 255270539u, + 3363490012u, + 3711397066u, + 3983751767u, + 1725231855u, + 172296475u, + 2179003295u, + 660196982u, + 526538193u, + 2137670317u, + 2219075701u, + 1987239722u, + 856404486u, + 2976933454u, + 3678014122u, + 2713682703u, + 3329090001u, + 2248358519u, + 3254616418u, + 1747030903u, + 1620566606u, + 880370315u, + 2337236788u, + 2883145755u + }; + const int n = 768; + unsigned b[n] = {0}; + unsigned v[] = {3, 5, 7}; + const int size = sizeof(v)/sizeof(v[0]); + std::seed_seq s(v, v + size); + s.generate(b, b + n); + for (int i = 0; i < n; ++i) + assert(a[i] == b[i]); + } +} diff --git a/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/initializer_list.pass.cpp b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/initializer_list.pass.cpp new file mode 100644 index 00000000000..d4ee9c14d52 --- /dev/null +++ b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/initializer_list.pass.cpp @@ -0,0 +1,33 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// class seed_seq; + +// template<class T> +// seed_seq(initializer_list<T> il); + +#include <random> +#include <cassert> + +int main() +{ +#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS + std::seed_seq s= {5, 4, 3, 2, 1}; + assert(s.size() == 5); + unsigned b[5] = {0}; + s.param(b); + assert(b[0] == 5); + assert(b[1] == 4); + assert(b[2] == 3); + assert(b[3] == 2); + assert(b[4] == 1); +#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS +} diff --git a/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/iterator.pass.cpp b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/iterator.pass.cpp new file mode 100644 index 00000000000..2214dca8aea --- /dev/null +++ b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/iterator.pass.cpp @@ -0,0 +1,32 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// class seed_seq; + +// template<class InputIterator> +// seed_seq(InputIterator begin, InputIterator end); + +#include <random> +#include <cassert> + +int main() +{ + unsigned a[5] = {5, 4, 3, 2, 1}; + std::seed_seq s(a, a+5); + assert(s.size() == 5); + unsigned b[5] = {0}; + s.param(b); + assert(b[0] == 5); + assert(b[1] == 4); + assert(b[2] == 3); + assert(b[3] == 2); + assert(b[4] == 1); +} diff --git a/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/types.pass.cpp b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/types.pass.cpp new file mode 100644 index 00000000000..430d9b781d2 --- /dev/null +++ b/libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/types.pass.cpp @@ -0,0 +1,24 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// class seed_seq +// { +// public: +// // types +// typedef uint_least32_t result_type; + +#include <random> +#include <type_traits> + +int main() +{ + static_assert((std::is_same<std::seed_seq::result_type, std::uint_least32_t>::value), ""); +} |
