updated boost on windows

This commit is contained in:
Bassem Girgis
2019-08-13 21:48:48 -05:00
parent 7d77d485fd
commit b40a3bee82
5162 changed files with 473027 additions and 116452 deletions

View File

@@ -18,7 +18,7 @@
namespace boost{ namespace math{ namespace detail{
template <class T, class Policy>
T ulp_imp(const T& val, const Policy& pol)
T ulp_imp(const T& val, const mpl::true_&, const Policy& pol)
{
BOOST_MATH_STD_USING
int expon;
@@ -48,6 +48,40 @@ T ulp_imp(const T& val, const Policy& pol)
diff = detail::get_smallest_value<T>();
return diff;
}
// non-binary version:
template <class T, class Policy>
T ulp_imp(const T& val, const mpl::false_&, const Policy& pol)
{
BOOST_STATIC_ASSERT(std::numeric_limits<T>::is_specialized);
BOOST_STATIC_ASSERT(std::numeric_limits<T>::radix != 2);
BOOST_MATH_STD_USING
int expon;
static const char* function = "ulp<%1%>(%1%)";
int fpclass = (boost::math::fpclassify)(val);
if(fpclass == (int)FP_NAN)
{
return policies::raise_domain_error<T>(
function,
"Argument must be finite, but got %1%", val, pol);
}
else if((fpclass == (int)FP_INFINITE) || (fabs(val) >= tools::max_value<T>()))
{
return (val < 0 ? -1 : 1) * policies::raise_overflow_error<T>(function, 0, pol);
}
else if(fpclass == FP_ZERO)
return detail::get_smallest_value<T>();
//
// This code is almost the same as that for float_next, except for negative integers,
// where we preserve the relation ulp(x) == ulp(-x) as does Java:
//
expon = 1 + ilogb(fabs(val));
T diff = scalbn(T(1), expon - std::numeric_limits<T>::digits);
if(diff == 0)
diff = detail::get_smallest_value<T>();
return diff;
}
}
@@ -55,7 +89,7 @@ template <class T, class Policy>
inline typename tools::promote_args<T>::type ulp(const T& val, const Policy& pol)
{
typedef typename tools::promote_args<T>::type result_type;
return detail::ulp_imp(static_cast<result_type>(val), pol);
return detail::ulp_imp(static_cast<result_type>(val), mpl::bool_<!std::numeric_limits<result_type>::is_specialized || (std::numeric_limits<result_type>::radix == 2)>(), pol);
}
template <class T>