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Hash: Merge from trunk.

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- Avoid floating point workarounds on recent standard libraries.
- Support int128.
- Remove container_fwd_0x.hpp.


[SVN r81920]
This commit is contained in:
Daniel James committed 2012-12-13 22:34:18 +00:00
2 parents d8adc5aa24 7f7ecfc717
commit 713b688159
13 files changed
+284 -86
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test/hash_number_test.cpp
+32 -12
View File
@@ -16,6 +16,7 @@
#include <boost/preprocessor/cat.hpp>
#include <boost/functional/hash/detail/limits.hpp>
#include <boost/utility/enable_if.hpp>
#include "./compile_time.hpp"
@@ -26,10 +27,34 @@
#pragma warning(disable:4310) // cast truncates constant value
#endif
#if defined(__GNUC__)
#if defined(__GNUC__) && !defined(BOOST_INTEL_CXX_VERSION)
#pragma GCC diagnostic ignored "-Wfloat-equal"
#endif
template <class T>
void numeric_extra_tests(typename
boost::enable_if_c<boost::hash_detail::limits<T>::is_integer,
void*>::type = 0)
{
typedef boost::hash_detail::limits<T> limits;
if(limits::is_signed ||
limits::digits <= boost::hash_detail::limits<std::size_t>::digits)
{
BOOST_TEST(HASH_NAMESPACE::hash_value(T(-5)) == (std::size_t)T(-5));
}
BOOST_TEST(HASH_NAMESPACE::hash_value(T(0)) == (std::size_t)T(0u));
BOOST_TEST(HASH_NAMESPACE::hash_value(T(10)) == (std::size_t)T(10u));
BOOST_TEST(HASH_NAMESPACE::hash_value(T(25)) == (std::size_t)T(25u));
}
template <class T>
void numeric_extra_tests(typename
boost::disable_if_c<boost::hash_detail::limits<T>::is_integer,
void*>::type = 0)
{
}
template <class T>
void numeric_test(T*)
{
@@ -55,17 +80,7 @@ void numeric_test(T*)
BOOST_TEST(x1(T(10)) == HASH_NAMESPACE::hash_value(T(10)));
BOOST_TEST(x1(T(25)) == HASH_NAMESPACE::hash_value(T(25)));
if (limits::is_integer)
{
if(limits::is_signed ||
limits::digits <= boost::hash_detail::limits<std::size_t>::digits)
{
BOOST_TEST(HASH_NAMESPACE::hash_value(T(-5)) == (std::size_t)T(-5));
}
BOOST_TEST(HASH_NAMESPACE::hash_value(T(0)) == (std::size_t)T(0u));
BOOST_TEST(HASH_NAMESPACE::hash_value(T(10)) == (std::size_t)T(10u));
BOOST_TEST(HASH_NAMESPACE::hash_value(T(25)) == (std::size_t)T(25u));
}
numeric_extra_tests<T>();
#endif
}
@@ -160,6 +175,11 @@ int main()
NUMERIC_TEST_NO_LIMITS(boost::ulong_long_type, ulong_long)
#endif
#if defined(BOOST_HAS_INT128)
NUMERIC_TEST_NO_LIMITS(boost::int128_type, int128)
NUMERIC_TEST_NO_LIMITS(boost::uint128_type, uint128)
#endif
NUMERIC_TEST(float, float)
NUMERIC_TEST(double, double)