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-rw-r--r--src/boost/libs/multiprecision/test/test_round.cpp469
1 files changed, 469 insertions, 0 deletions
diff --git a/src/boost/libs/multiprecision/test/test_round.cpp b/src/boost/libs/multiprecision/test/test_round.cpp
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+++ b/src/boost/libs/multiprecision/test/test_round.cpp
@@ -0,0 +1,469 @@
+// (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)
+
+#ifdef _MSC_VER
+#define _SCL_SECURE_NO_WARNINGS
+#endif
+
+#include <boost/detail/lightweight_test.hpp>
+#include <boost/math/special_functions/round.hpp>
+#include <boost/math/special_functions/trunc.hpp>
+#include <boost/math/special_functions/modf.hpp>
+#include <boost/math/special_functions/sign.hpp>
+#include <boost/random/mersenne_twister.hpp>
+#include "test.hpp"
+
+#if !defined(TEST_MPF_50) && !defined(TEST_MPF) && !defined(TEST_BACKEND) && !defined(TEST_CPP_DEC_FLOAT) && !defined(TEST_MPFR) && !defined(TEST_MPFR_50) && !defined(TEST_MPFI_50) && !defined(TEST_FLOAT128) && !defined(TEST_CPP_BIN_FLOAT)
+#define TEST_MPF_50
+#define TEST_MPFR_50
+#define TEST_MPFI_50
+#define TEST_BACKEND
+#define TEST_CPP_DEC_FLOAT
+#define TEST_FLOAT128
+#define TEST_CPP_BIN_FLOAT
+
+#ifdef _MSC_VER
+#pragma message("CAUTION!!: No backend type specified so testing everything.... this will take some time!!")
+#endif
+#ifdef __GNUC__
+#pragma warning "CAUTION!!: No backend type specified so testing everything.... this will take some time!!"
+#endif
+
+#endif
+
+#if defined(TEST_MPF_50)
+#include <boost/multiprecision/gmp.hpp>
+#endif
+#ifdef TEST_MPFR_50
+#include <boost/multiprecision/mpfr.hpp>
+#endif
+#ifdef TEST_MPFI_50
+#include <boost/multiprecision/mpfi.hpp>
+#endif
+#ifdef TEST_BACKEND
+#include <boost/multiprecision/concepts/mp_number_archetypes.hpp>
+#endif
+#ifdef TEST_CPP_DEC_FLOAT
+#include <boost/multiprecision/cpp_dec_float.hpp>
+#endif
+#ifdef TEST_CPP_BIN_FLOAT
+#include <boost/multiprecision/cpp_bin_float.hpp>
+#endif
+#ifdef TEST_FLOAT128
+#include <boost/multiprecision/float128.hpp>
+#endif
+
+#ifdef BOOST_MSVC
+#pragma warning(disable : 4127)
+#endif
+
+boost::mt19937 rng;
+
+template <class T>
+T get_random()
+{
+ //
+ // Fill all the bits in T with random values,
+ // likewise set the exponent to a random value
+ // that will still fit inside a T, and always
+ // have a remainder as well as an integer part.
+ //
+ int bits = boost::math::tools::digits<T>();
+ int shift = 0;
+ int exponent = rng() % (bits - 4);
+ T result = 0;
+ while (bits > 0)
+ {
+ result += ldexp(static_cast<T>(rng()), shift);
+ shift += std::numeric_limits<int>::digits;
+ bits -= std::numeric_limits<int>::digits;
+ }
+ return rng() & 1u ? T(-ldexp(frexp(result, &bits), exponent)) : T(ldexp(frexp(result, &bits), exponent));
+}
+
+template <class T, class U>
+typename std::enable_if<!boost::multiprecision::is_interval_number<T>::value>::type check_within_half(T a, U u)
+{
+ BOOST_MATH_STD_USING
+ if (fabs(a - u) > 0.5f)
+ {
+ BOOST_ERROR("Rounded result differed by more than 0.5 from the original");
+ std::cerr << "Values were: " << std::setprecision(35) << std::setw(40)
+ << std::left << a << u << std::endl;
+ }
+ if ((fabs(a - u) == 0.5f) && (fabs(static_cast<T>(u)) < fabs(a)))
+ {
+ BOOST_ERROR("Rounded result was towards zero with boost::round");
+ std::cerr << "Values were: " << std::setprecision(35) << std::setw(40)
+ << std::left << a << u << std::endl;
+ }
+}
+template <class T, class U>
+typename std::enable_if<boost::multiprecision::is_interval_number<T>::value>::type check_within_half(T a, U u)
+{
+ BOOST_MATH_STD_USING
+ if (upper(T(fabs(a - u))) > 0.5f)
+ {
+ BOOST_ERROR("Rounded result differed by more than 0.5 from the original");
+ std::cerr << "Values were: " << std::setprecision(35) << std::setw(40)
+ << std::left << a << u << std::endl;
+ }
+ if ((upper(T(fabs(a - u))) == 0.5f) && (fabs(static_cast<T>(u)) < fabs(a)))
+ {
+ BOOST_ERROR("Rounded result was towards zero with boost::round");
+ std::cerr << "Values were: " << std::setprecision(35) << std::setw(40)
+ << std::left << a << u << std::endl;
+ }
+}
+
+//
+// We may not have an abs overload for long long so provide a fall back:
+//
+inline unsigned safe_abs(int const& v)
+{
+ return v < 0 ? static_cast<unsigned>(1u) + static_cast<unsigned>(-(v + 1)) : v;
+}
+inline unsigned long safe_abs(long const& v)
+{
+ return v < 0 ? static_cast<unsigned long>(1u) + static_cast<unsigned long>(-(v + 1)) : v;
+}
+inline unsigned long long safe_abs(long long const& v)
+{
+ return v < 0 ? static_cast<unsigned long long>(1u) + static_cast<unsigned long long>(-(v + 1)) : v;
+}
+template <class T>
+inline typename std::enable_if<!boost::multiprecision::detail::is_integral<T>::value, T>::type safe_abs(T const& v)
+{
+ return v < 0 ? -v : v;
+}
+
+template <class T, class U>
+void check_trunc_result(T a, U u)
+{
+ BOOST_MATH_STD_USING
+ if (fabs(a - u) >= 1)
+ {
+ BOOST_ERROR("Rounded result differed by more than 1 from the original");
+ std::cerr << "Values were: " << std::setprecision(35) << std::setw(40)
+ << std::left << a << u << std::endl;
+ }
+ if (abs(a) < safe_abs(u))
+ {
+ BOOST_ERROR("Truncated result had larger absolute value than the original");
+ std::cerr << "Values were: " << std::setprecision(35) << std::setw(40)
+ << std::left << a << u << std::endl;
+ }
+ if (fabs(static_cast<T>(u)) > fabs(a))
+ {
+ BOOST_ERROR("Rounded result was away from zero with boost::trunc");
+ std::cerr << "Values were: " << std::setprecision(35) << std::setw(40)
+ << std::left << a << u << std::endl;
+ }
+}
+
+template <class T, class U>
+void check_modf_result(T a, T fract, U ipart)
+{
+ BOOST_MATH_STD_USING
+ if (fract + ipart != a)
+ {
+ BOOST_ERROR("Fractional and integer results do not add up to the original value");
+ std::cerr << "Values were: " << std::setprecision(35) << " "
+ << std::left << a << ipart << " " << fract << std::endl;
+ }
+ if ((boost::math::sign(a) != boost::math::sign(fract)) && boost::math::sign(fract))
+ {
+ BOOST_ERROR("Original and fractional parts have differing signs");
+ std::cerr << "Values were: " << std::setprecision(35) << " "
+ << std::left << a << ipart << " " << fract << std::endl;
+ }
+ if ((boost::math::sign(a) != boost::math::sign(ipart)) && boost::math::sign(ipart))
+ {
+ BOOST_ERROR("Original and integer parts have differing signs");
+ std::cerr << "Values were: " << std::setprecision(35) << " "
+ << std::left << a << ipart << " " << ipart << std::endl;
+ }
+ if (fabs(a - ipart) >= 1)
+ {
+ BOOST_ERROR("Rounded result differed by more than 1 from the original");
+ std::cerr << "Values were: " << std::setprecision(35) << std::setw(40)
+ << std::left << a << ipart << std::endl;
+ }
+}
+
+template <class T>
+void test()
+{
+ BOOST_MATH_STD_USING
+
+ for (int i = 0; i < 1000; ++i)
+ {
+ T arg = get_random<T>();
+ T r = round(arg);
+ check_within_half(arg, r);
+ BOOST_TEST(r == round(arg + 0));
+ r = trunc(arg);
+ check_trunc_result(arg, r);
+ BOOST_TEST(r == trunc(arg + 0));
+ T frac = modf(arg, &r);
+ check_modf_result(arg, frac, r);
+
+ if (abs(r) < (std::numeric_limits<int>::max)())
+ {
+ int i = iround(arg);
+ check_within_half(arg, i);
+ BOOST_TEST(i == iround(arg + 0));
+ i = itrunc(arg);
+ check_trunc_result(arg, i);
+ BOOST_TEST(i == itrunc(arg + 0));
+ r = modf(arg, &i);
+ check_modf_result(arg, r, i);
+ }
+ if (abs(r) < (std::numeric_limits<long>::max)())
+ {
+ long l = lround(arg);
+ check_within_half(arg, l);
+ BOOST_TEST(l == lround(arg + 0));
+ l = ltrunc(arg);
+ check_trunc_result(arg, l);
+ BOOST_TEST(l == ltrunc(arg + 0));
+ r = modf(arg, &l);
+ check_modf_result(arg, r, l);
+ }
+
+#ifdef BOOST_HAS_LONG_LONG
+ if (abs(r) < (std::numeric_limits<long long>::max)())
+ {
+ long long ll = llround(arg);
+ check_within_half(arg, ll);
+ BOOST_TEST(ll == llround(arg + 0));
+ ll = lltrunc(arg);
+ check_trunc_result(arg, ll);
+ BOOST_TEST(ll == lltrunc(arg + 0));
+ r = modf(arg, &ll);
+ check_modf_result(arg, r, ll);
+ }
+#endif
+ }
+ //
+ // Test boundary cases:
+ //
+ if (std::numeric_limits<T>::digits >= std::numeric_limits<int>::digits)
+ {
+ int si = iround(static_cast<T>((std::numeric_limits<int>::max)()));
+ check_within_half(static_cast<T>((std::numeric_limits<int>::max)()), si);
+ BOOST_TEST(si == iround(static_cast<T>((std::numeric_limits<int>::max)()) + 0));
+ si = iround(static_cast<T>((std::numeric_limits<int>::min)()));
+ check_within_half(static_cast<T>((std::numeric_limits<int>::min)()), si);
+ BOOST_TEST(si == iround(static_cast<T>((std::numeric_limits<int>::min)()) + 0));
+ si = itrunc(static_cast<T>((std::numeric_limits<int>::max)()));
+ check_trunc_result(static_cast<T>((std::numeric_limits<int>::max)()), si);
+ BOOST_TEST(si == itrunc(static_cast<T>((std::numeric_limits<int>::max)()) + 0));
+ si = itrunc(static_cast<T>((std::numeric_limits<int>::min)()));
+ check_trunc_result(static_cast<T>((std::numeric_limits<int>::min)()), si);
+ BOOST_TEST(si == itrunc(static_cast<T>((std::numeric_limits<int>::min)()) + 0));
+
+ si = iround(static_cast<T>((std::numeric_limits<int>::max)() - 1));
+ check_within_half(static_cast<T>((std::numeric_limits<int>::max)() - 1), si);
+ si = iround(static_cast<T>((std::numeric_limits<int>::min)() + 1));
+ check_within_half(static_cast<T>((std::numeric_limits<int>::min)() + 1), si);
+ si = itrunc(static_cast<T>((std::numeric_limits<int>::max)() - 1));
+ check_trunc_result(static_cast<T>((std::numeric_limits<int>::max)() - 1), si);
+ si = itrunc(static_cast<T>((std::numeric_limits<int>::min)() + 1));
+ check_trunc_result(static_cast<T>((std::numeric_limits<int>::min)() + 1), si);
+ }
+ if (std::numeric_limits<T>::digits >= std::numeric_limits<long>::digits)
+ {
+ long k = lround(static_cast<T>((std::numeric_limits<long>::max)()));
+ check_within_half(static_cast<T>((std::numeric_limits<long>::max)()), k);
+ BOOST_TEST(k == lround(static_cast<T>((std::numeric_limits<long>::max)()) + 0));
+ k = lround(static_cast<T>((std::numeric_limits<long>::min)()));
+ check_within_half(static_cast<T>((std::numeric_limits<long>::min)()), k);
+ BOOST_TEST(k == lround(static_cast<T>((std::numeric_limits<long>::min)()) + 0));
+ k = ltrunc(static_cast<T>((std::numeric_limits<long>::max)()));
+ check_trunc_result(static_cast<T>((std::numeric_limits<long>::max)()), k);
+ BOOST_TEST(k == ltrunc(static_cast<T>((std::numeric_limits<long>::max)()) + 0));
+ k = ltrunc(static_cast<T>((std::numeric_limits<long>::min)()));
+ check_trunc_result(static_cast<T>((std::numeric_limits<long>::min)()), k);
+ BOOST_TEST(k == ltrunc(static_cast<T>((std::numeric_limits<long>::min)()) + 0));
+
+ k = lround(static_cast<T>((std::numeric_limits<long>::max)() - 1));
+ check_within_half(static_cast<T>((std::numeric_limits<long>::max)() - 1), k);
+ k = lround(static_cast<T>((std::numeric_limits<long>::min)() + 1));
+ check_within_half(static_cast<T>((std::numeric_limits<long>::min)() + 1), k);
+ k = ltrunc(static_cast<T>((std::numeric_limits<long>::max)() - 1));
+ check_trunc_result(static_cast<T>((std::numeric_limits<long>::max)() - 1), k);
+ k = ltrunc(static_cast<T>((std::numeric_limits<long>::min)() + 1));
+ check_trunc_result(static_cast<T>((std::numeric_limits<long>::min)() + 1), k);
+ }
+#ifndef BOOST_NO_LONG_LONG
+ if (std::numeric_limits<T>::digits >= std::numeric_limits<long long>::digits)
+ {
+ long long j = llround(static_cast<T>((std::numeric_limits<long long>::max)()));
+ check_within_half(static_cast<T>((std::numeric_limits<long long>::max)()), j);
+ BOOST_TEST(j == llround(static_cast<T>((std::numeric_limits<long long>::max)()) + 0));
+ j = llround(static_cast<T>((std::numeric_limits<long long>::min)()));
+ check_within_half(static_cast<T>((std::numeric_limits<long long>::min)()), j);
+ BOOST_TEST(j == llround(static_cast<T>((std::numeric_limits<long long>::min)()) + 0));
+ j = lltrunc(static_cast<T>((std::numeric_limits<long long>::max)()));
+ check_trunc_result(static_cast<T>((std::numeric_limits<long long>::max)()), j);
+ BOOST_TEST(j == lltrunc(static_cast<T>((std::numeric_limits<long long>::max)()) + 0));
+ j = lltrunc(static_cast<T>((std::numeric_limits<long long>::min)()));
+ check_trunc_result(static_cast<T>((std::numeric_limits<long long>::min)()), j);
+ BOOST_TEST(j == lltrunc(static_cast<T>((std::numeric_limits<long long>::min)()) + 0));
+
+ j = llround(static_cast<T>((std::numeric_limits<long long>::max)() - 1));
+ check_within_half(static_cast<T>((std::numeric_limits<long long>::max)() - 1), j);
+ j = llround(static_cast<T>((std::numeric_limits<long long>::min)() + 1));
+ check_within_half(static_cast<T>((std::numeric_limits<long long>::min)() + 1), j);
+ j = lltrunc(static_cast<T>((std::numeric_limits<long long>::max)() - 1));
+ check_trunc_result(static_cast<T>((std::numeric_limits<long long>::max)() - 1), j);
+ j = lltrunc(static_cast<T>((std::numeric_limits<long long>::min)() + 1));
+ check_trunc_result(static_cast<T>((std::numeric_limits<long long>::min)() + 1), j);
+ }
+#endif
+ //
+ // Finish off by testing the error handlers:
+ //
+ T result;
+#ifndef BOOST_NO_EXCEPTIONS
+ BOOST_CHECK_THROW(result = static_cast<T>(iround(static_cast<T>(1e20))), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(iround(static_cast<T>(-1e20))), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(lround(static_cast<T>(1e20))), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(lround(static_cast<T>(-1e20))), boost::math::rounding_error);
+#ifdef BOOST_HAS_LONG_LONG
+ BOOST_CHECK_THROW(result = static_cast<T>(llround(static_cast<T>(1e20))), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(llround(static_cast<T>(-1e20))), boost::math::rounding_error);
+#endif
+ if (std::numeric_limits<T>::has_infinity)
+ {
+ BOOST_CHECK_EQUAL(static_cast<T>(round(std::numeric_limits<T>::infinity())), std::numeric_limits<T>::infinity()); // See C99 Annex F.
+ BOOST_CHECK_THROW(result = static_cast<T>(iround(std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(iround(-std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(lround(std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(lround(-std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+#ifdef BOOST_HAS_LONG_LONG
+ BOOST_CHECK_THROW(result = static_cast<T>(llround(std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(llround(-std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+#endif
+ }
+ if (std::numeric_limits<T>::has_quiet_NaN)
+ {
+ BOOST_CHECK((boost::multiprecision::isnan)(round(std::numeric_limits<T>::quiet_NaN())));
+ BOOST_CHECK_THROW(result = static_cast<T>(iround(std::numeric_limits<T>::quiet_NaN())), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(lround(std::numeric_limits<T>::quiet_NaN())), boost::math::rounding_error);
+#ifdef BOOST_HAS_LONG_LONG
+ BOOST_CHECK_THROW(result = static_cast<T>(llround(std::numeric_limits<T>::quiet_NaN())), boost::math::rounding_error);
+#endif
+ }
+ BOOST_CHECK_THROW(result = static_cast<T>(itrunc(static_cast<T>(1e20))), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(itrunc(static_cast<T>(-1e20))), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(ltrunc(static_cast<T>(1e20))), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(ltrunc(static_cast<T>(-1e20))), boost::math::rounding_error);
+#ifdef BOOST_HAS_LONG_LONG
+ BOOST_CHECK_THROW(result = static_cast<T>(lltrunc(static_cast<T>(1e20))), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(lltrunc(static_cast<T>(-1e20))), boost::math::rounding_error);
+#endif
+ if (std::numeric_limits<T>::has_infinity)
+ {
+ BOOST_CHECK_EQUAL(static_cast<T>(trunc(std::numeric_limits<T>::infinity())), std::numeric_limits<T>::infinity());
+ BOOST_CHECK_EQUAL(static_cast<T>(trunc(-std::numeric_limits<T>::infinity())), -std::numeric_limits<T>::infinity());
+ BOOST_CHECK_THROW(result = static_cast<T>(itrunc(std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(itrunc(-std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(ltrunc(std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(ltrunc(-std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+#ifdef BOOST_HAS_LONG_LONG
+ BOOST_CHECK_THROW(result = static_cast<T>(lltrunc(std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(lltrunc(-std::numeric_limits<T>::infinity())), boost::math::rounding_error);
+#endif
+ }
+ if (std::numeric_limits<T>::has_quiet_NaN)
+ {
+ BOOST_CHECK((boost::multiprecision::isnan)(trunc(std::numeric_limits<T>::quiet_NaN())));
+ BOOST_CHECK_THROW(result = static_cast<T>(itrunc(std::numeric_limits<T>::quiet_NaN())), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(ltrunc(std::numeric_limits<T>::quiet_NaN())), boost::math::rounding_error);
+#ifdef BOOST_HAS_LONG_LONG
+ BOOST_CHECK_THROW(result = static_cast<T>(lltrunc(std::numeric_limits<T>::quiet_NaN())), boost::math::rounding_error);
+#endif
+ }
+ if (std::numeric_limits<T>::digits >= std::numeric_limits<int>::digits)
+ {
+ BOOST_CHECK_THROW(result = static_cast<T>(itrunc(static_cast<T>((std::numeric_limits<int>::max)()) + 1)), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(itrunc(static_cast<T>((std::numeric_limits<int>::min)()) - 1)), boost::math::rounding_error);
+ }
+ if (std::numeric_limits<T>::digits >= std::numeric_limits<long>::digits)
+ {
+ BOOST_CHECK_THROW(result = static_cast<T>(ltrunc(static_cast<T>((std::numeric_limits<long>::max)()) + 1)), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(ltrunc(static_cast<T>((std::numeric_limits<long>::min)()) - 1)), boost::math::rounding_error);
+ }
+#ifndef BOOST_NO_LONG_LONG
+ if (std::numeric_limits<T>::digits >= std::numeric_limits<long long>::digits)
+ {
+ BOOST_CHECK_THROW(result = static_cast<T>(lltrunc(static_cast<T>((std::numeric_limits<long long>::max)()) + 1)), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(lltrunc(static_cast<T>((std::numeric_limits<long long>::min)()) - 1)), boost::math::rounding_error);
+ }
+#endif
+ if (std::numeric_limits<T>::digits >= std::numeric_limits<int>::digits)
+ {
+ BOOST_CHECK_THROW(result = static_cast<T>(iround(static_cast<T>((std::numeric_limits<int>::max)()) + 1)), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(iround(static_cast<T>((std::numeric_limits<int>::min)()) - 1)), boost::math::rounding_error);
+ }
+ if (std::numeric_limits<T>::digits >= std::numeric_limits<long>::digits)
+ {
+ BOOST_CHECK_THROW(result = static_cast<T>(lround(static_cast<T>((std::numeric_limits<long>::max)()) + 1)), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(lround(static_cast<T>((std::numeric_limits<long>::min)()) - 1)), boost::math::rounding_error);
+ }
+#ifndef BOOST_NO_LONG_LONG
+ if (std::numeric_limits<T>::digits >= std::numeric_limits<long long>::digits)
+ {
+ BOOST_CHECK_THROW(result = static_cast<T>(llround(static_cast<T>((std::numeric_limits<long long>::max)()) + 1)), boost::math::rounding_error);
+ BOOST_CHECK_THROW(result = static_cast<T>(llround(static_cast<T>((std::numeric_limits<long long>::min)()) - 1)), boost::math::rounding_error);
+ }
+#endif
+#endif
+}
+
+int main()
+{
+#ifdef TEST_MPF_50
+ test<boost::multiprecision::mpf_float_50>();
+ test<boost::multiprecision::mpf_float_100>();
+#endif
+#ifdef TEST_MPFR_50
+ test<boost::multiprecision::mpfr_float_50>();
+ test<boost::multiprecision::mpfr_float_100>();
+#endif
+#ifdef TEST_MPFI_50
+ test<boost::multiprecision::mpfi_float_50>();
+ test<boost::multiprecision::mpfi_float_100>();
+#endif
+#ifdef TEST_CPP_DEC_FLOAT
+ test<boost::multiprecision::cpp_dec_float_50>();
+ test<boost::multiprecision::cpp_dec_float_100>();
+#ifndef SLOW_COMPLER
+ // Some "peculiar" digit counts which stress our code:
+ test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<65> > >();
+ test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<64> > >();
+ test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<63> > >();
+ test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<62> > >();
+ test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<61, long long> > >();
+ test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<60, long long> > >();
+ test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<59, long long, std::allocator<char> > > >();
+ test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<58, long long, std::allocator<char> > > >();
+#endif
+#endif
+#ifdef TEST_CPP_BIN_FLOAT
+ test<boost::multiprecision::cpp_bin_float_50>();
+ test<boost::multiprecision::cpp_bin_float_100>();
+ test<boost::multiprecision::number<boost::multiprecision::cpp_bin_float<35, boost::multiprecision::digit_base_10, std::allocator<char>, long long> > >();
+#endif
+#ifdef TEST_BACKEND
+ test<boost::multiprecision::number<boost::multiprecision::concepts::number_backend_float_architype> >();
+#endif
+#ifdef TEST_FLOAT128
+ test<boost::multiprecision::float128>();
+#endif
+ return boost::report_errors();
+}