math/test/compile_test/test_compile_result.hpp

184 lines
6.2 KiB
C++

// Copyright John Maddock 2007.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Note this header must NOT include any other headers, for its
// use to be meaningful (because we use it in tests designed to
// detect missing includes).
//
static const float f = 0;
static const double d = 0;
static const long double l = 0;
static const unsigned u = 0;
static const int i = 0;
//template <class T>
//inline void check_result_imp(T, T){}
inline void check_result_imp(float, float){}
inline void check_result_imp(double, double){}
inline void check_result_imp(long double, long double){}
inline void check_result_imp(int, int){}
inline void check_result_imp(long, long){}
#ifdef BOOST_HAS_LONG_LONG
inline void check_result_imp(boost::long_long_type, boost::long_long_type){}
#endif
inline void check_result_imp(bool, bool){}
//
// If the compiler warns about unused typedefs then enable this:
//
#if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)))
# define BOOST_MATH_ASSERT_UNUSED_ATTRIBUTE __attribute__((unused))
#else
# define BOOST_MATH_ASSERT_UNUSED_ATTRIBUTE
#endif
template <class T, class U>
struct local_is_same
{
enum{ value = false };
};
template <class T>
struct local_is_same<T, T>
{
enum{ value = true };
};
template <class T1, class T2>
inline void check_result_imp(T1, T2)
{
// This is a static assertion that should always fail to compile...
#if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)))
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
#endif
typedef BOOST_MATH_ASSERT_UNUSED_ATTRIBUTE int static_assertion[local_is_same<T1, T2>::value ? 1 : 0];
#if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)))
#pragma GCC diagnostic pop
#endif
}
template <class T1, class T2>
inline void check_result(T2)
{
T1 a = T1();
T2 b = T2();
return check_result_imp(a, b);
}
union max_align_type
{
char c;
short s;
int i;
long l;
double d;
long double ld;
#ifdef BOOST_HAS_LONG_LONG
long long ll;
#endif
};
template <class Distribution>
struct DistributionConcept
{
static void constraints()
{
typedef typename Distribution::value_type value_type;
const Distribution& dist = DistributionConcept<Distribution>::get_object();
value_type x = 0;
// The result values are ignored in all these checks.
check_result<value_type>(cdf(dist, x));
check_result<value_type>(cdf(complement(dist, x)));
check_result<value_type>(pdf(dist, x));
check_result<value_type>(quantile(dist, x));
check_result<value_type>(quantile(complement(dist, x)));
check_result<value_type>(mean(dist));
check_result<value_type>(mode(dist));
check_result<value_type>(standard_deviation(dist));
check_result<value_type>(variance(dist));
check_result<value_type>(hazard(dist, x));
check_result<value_type>(chf(dist, x));
check_result<value_type>(coefficient_of_variation(dist));
check_result<value_type>(skewness(dist));
check_result<value_type>(kurtosis(dist));
check_result<value_type>(kurtosis_excess(dist));
check_result<value_type>(median(dist));
//
// we can't actually test that at std::pair is returned from these
// because that would mean including some std lib headers....
//
range(dist);
support(dist);
check_result<value_type>(cdf(dist, f));
check_result<value_type>(cdf(complement(dist, f)));
check_result<value_type>(pdf(dist, f));
check_result<value_type>(quantile(dist, f));
check_result<value_type>(quantile(complement(dist, f)));
check_result<value_type>(hazard(dist, f));
check_result<value_type>(chf(dist, f));
check_result<value_type>(cdf(dist, d));
check_result<value_type>(cdf(complement(dist, d)));
check_result<value_type>(pdf(dist, d));
check_result<value_type>(quantile(dist, d));
check_result<value_type>(quantile(complement(dist, d)));
check_result<value_type>(hazard(dist, d));
check_result<value_type>(chf(dist, d));
check_result<value_type>(cdf(dist, l));
check_result<value_type>(cdf(complement(dist, l)));
check_result<value_type>(pdf(dist, l));
check_result<value_type>(quantile(dist, l));
check_result<value_type>(quantile(complement(dist, l)));
check_result<value_type>(hazard(dist, l));
check_result<value_type>(chf(dist, l));
check_result<value_type>(cdf(dist, i));
check_result<value_type>(cdf(complement(dist, i)));
check_result<value_type>(pdf(dist, i));
check_result<value_type>(quantile(dist, i));
check_result<value_type>(quantile(complement(dist, i)));
check_result<value_type>(hazard(dist, i));
check_result<value_type>(chf(dist, i));
unsigned long li = 1;
check_result<value_type>(cdf(dist, li));
check_result<value_type>(cdf(complement(dist, li)));
check_result<value_type>(pdf(dist, li));
check_result<value_type>(quantile(dist, li));
check_result<value_type>(quantile(complement(dist, li)));
check_result<value_type>(hazard(dist, li));
check_result<value_type>(chf(dist, li));
}
private:
static void* storage()
{
static max_align_type storage[sizeof(Distribution)];
return storage;
}
static Distribution* get_object_p()
{
return static_cast<Distribution*>(storage());
}
static Distribution& get_object()
{
// will never get called:
return *get_object_p();
}
}; // struct DistributionConcept
#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
#define TEST_DIST_FUNC(dist)\
DistributionConcept< boost::math::dist##_distribution<float> >::constraints();\
DistributionConcept< boost::math::dist##_distribution<double> >::constraints();\
DistributionConcept< boost::math::dist##_distribution<long double> >::constraints();
#else
#define TEST_DIST_FUNC(dist)\
DistributionConcept< boost::math::dist##_distribution<float> >::constraints();\
DistributionConcept< boost::math::dist##_distribution<double> >::constraints();
#endif