tests for [rand.dist.bern.bin]

llvm-svn: 103612
This commit is contained in:
Howard Hinnant 2010-05-12 13:33:11 +00:00
parent bccf3faa5f
commit c1cb949c0a
18 changed files with 676 additions and 0 deletions

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// binomial_distribution& operator=(const binomial_distribution&);
#include <random>
#include <cassert>
void
test1()
{
typedef std::binomial_distribution<> D;
D d1(2, 0.75);
D d2;
assert(d1 != d2);
d2 = d1;
assert(d1 == d2);
}
int main()
{
test1();
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// binomial_distribution(const binomial_distribution&);
#include <random>
#include <cassert>
void
test1()
{
typedef std::binomial_distribution<> D;
D d1(2, 0.75);
D d2 = d1;
assert(d1 == d2);
}
int main()
{
test1();
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// explicit binomial_distribution(IntType t = 1, double p = 0.5);
#include <random>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
D d;
assert(d.t() == 1);
assert(d.p() == 0.5);
}
{
typedef std::binomial_distribution<> D;
D d(3);
assert(d.t() == 3);
assert(d.p() == 0.5);
}
{
typedef std::binomial_distribution<> D;
D d(3, 0.75);
assert(d.t() == 3);
assert(d.p() == 0.75);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// explicit binomial_distribution(const param_type& parm);
#include <random>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
typedef D::param_type P;
P p(5, 0.25);
D d(p);
assert(d.t() == 5);
assert(d.p() == 0.25);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// bool operator=(const binomial_distribution& x,
// const binomial_distribution& y);
// bool operator!(const binomial_distribution& x,
// const binomial_distribution& y);
#include <random>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
D d1(3, .25);
D d2(3, .25);
assert(d1 == d2);
}
{
typedef std::binomial_distribution<> D;
D d1(3, .28);
D d2(3, .25);
assert(d1 != d2);
}
{
typedef std::binomial_distribution<> D;
D d1(3, .25);
D d2(4, .25);
assert(d1 != d2);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// template<class _URNG> result_type operator()(_URNG& g);
#include <random>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
typedef D::param_type P;
typedef std::minstd_rand0 G;
G g;
D d(16, .25);
int count = 0;
int r = 0;
for (int i = 0; i < 100; ++i)
{
D::result_type u = d(g);
r += u;
}
assert(int(r/100. + .5) == 4);
}
{
typedef std::binomial_distribution<> D;
typedef D::param_type P;
typedef std::minstd_rand0 G;
G g;
D d(16, .5);
int count = 0;
int r = 0;
for (int i = 0; i < 100; ++i)
{
D::result_type u = d(g);
r += u;
}
assert(int(r/100. + .5) == 8);
}
{
typedef std::binomial_distribution<> D;
typedef D::param_type P;
typedef std::minstd_rand0 G;
G g;
D d(16, .75);
int count = 0;
int r = 0;
for (int i = 0; i < 100; ++i)
{
D::result_type u = d(g);
r += u;
}
assert(int(r/100. + .5) == 12);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// template<class _URNG> result_type operator()(_URNG& g, const param_type& parm);
#include <random>
#include <cassert>
#include <iostream>
int main()
{
{
typedef std::binomial_distribution<> D;
typedef D::param_type P;
typedef std::minstd_rand0 G;
G g;
D d(16, .75);
P p(16, .25);
int count = 0;
int r = 0;
for (int i = 0; i < 100; ++i)
{
D::result_type u = d(g, p);
r += u;
}
assert(int(r/100. + .5) == 4);
}
{
typedef std::binomial_distribution<> D;
typedef D::param_type P;
typedef std::minstd_rand0 G;
G g;
D d(16, .75);
P p(16, .5);
int count = 0;
int r = 0;
for (int i = 0; i < 100; ++i)
{
D::result_type u = d(g, p);
r += u;
}
assert(int(r/100. + .5) == 8);
}
{
typedef std::binomial_distribution<> D;
typedef D::param_type P;
typedef std::minstd_rand0 G;
G g;
D d(16, .75);
P p(16, .75);
int count = 0;
int r = 0;
for (int i = 0; i < 100; ++i)
{
D::result_type u = d(g, p);
r += u;
}
assert(int(r/100. + .5) == 12);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// param_type param() const;
#include <random>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
typedef D::param_type P;
P p(5, .125);
D d(p);
assert(d.param() == p);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// template <class charT, class traits>
// basic_ostream<charT, traits>&
// operator<<(basic_ostream<charT, traits>& os,
// const binomial_distribution& x);
//
// template <class charT, class traits>
// basic_istream<charT, traits>&
// operator>>(basic_istream<charT, traits>& is,
// binomial_distribution& x);
#include <random>
#include <sstream>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
D d1(7, .25);
std::ostringstream os;
os << d1;
std::istringstream is(os.str());
D d2;
is >> d2;
assert(d1 == d2);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// result_type max() const;
#include <random>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
D d(4, .25);
assert(d.max() == 4);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// result_type min() const;
#include <random>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
D d(4, .5);
assert(d.min() == 0);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// {
// class param_type;
#include <random>
#include <limits>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
typedef D::param_type param_type;
param_type p0(6, .7);
param_type p;
p = p0;
assert(p.t() == 6);
assert(p.p() == .7);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// {
// class param_type;
#include <random>
#include <limits>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
typedef D::param_type param_type;
param_type p0(10, .125);
param_type p = p0;
assert(p.t() == 10);
assert(p.p() == .125);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// {
// class param_type;
#include <random>
#include <limits>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
typedef D::param_type param_type;
param_type p;
assert(p.t() == 1);
assert(p.p() == 0.5);
}
{
typedef std::binomial_distribution<> D;
typedef D::param_type param_type;
param_type p(10);
assert(p.t() == 10);
assert(p.p() == 0.5);
}
{
typedef std::binomial_distribution<> D;
typedef D::param_type param_type;
param_type p(10, 0.25);
assert(p.t() == 10);
assert(p.p() == 0.25);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// {
// class param_type;
#include <random>
#include <limits>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
typedef D::param_type param_type;
param_type p1(3, 0.75);
param_type p2(3, 0.75);
assert(p1 == p2);
}
{
typedef std::binomial_distribution<> D;
typedef D::param_type param_type;
param_type p1(3, 0.75);
param_type p2(3, 0.5);
assert(p1 != p2);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// {
// class param_type;
#include <random>
#include <type_traits>
int main()
{
{
typedef std::binomial_distribution<> D;
typedef D::param_type param_type;
typedef param_type::distribution_type distribution_type;
static_assert((std::is_same<D, distribution_type>::value), "");
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// void param(const param_type& parm);
#include <random>
#include <cassert>
int main()
{
{
typedef std::binomial_distribution<> D;
typedef D::param_type P;
P p(10, 0.25);
D d(8, 0.75);
d.param(p);
assert(d.param() == p);
}
}

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class binomial_distribution
// {
// typedef bool result_type;
#include <random>
#include <type_traits>
int main()
{
{
typedef std::binomial_distribution<> D;
typedef D::result_type result_type;
static_assert((std::is_same<result_type, int>::value), "");
}
{
typedef std::binomial_distribution<long> D;
typedef D::result_type result_type;
static_assert((std::is_same<result_type, long>::value), "");
}
}