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Workaround for Tru64/CXX std::numeric_limits::denorm_min() bug.

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[SVN r31037]
This commit is contained in:
Markus Schöpflin
2005-09-19 09:06:28 +00:00
parent 26ba72d50f
commit 09f8f2aed3
1 changed files with 5 additions and 1 deletions
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6
hash/test/hash_float_test.cpp
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@@ -86,7 +86,6 @@ void float_tests(char const* name, T* = 0)
std::cout<<"x1(denorm_min) == x1(-infinity) == "<<x1(minus_infinity)<<"\n"; std::cout<<"x1(denorm_min) == x1(-infinity) == "<<x1(minus_infinity)<<"\n";
} }
} }
if(std::numeric_limits<T>::has_quiet_NaN) { if(std::numeric_limits<T>::has_quiet_NaN) {
if(x1(std::numeric_limits<T>::quiet_NaN()) == x1(infinity)) { if(x1(std::numeric_limits<T>::quiet_NaN()) == x1(infinity)) {
std::cout<<"x1(quiet_NaN) == x1(infinity) == "<<x1(infinity)<<"\n"; std::cout<<"x1(quiet_NaN) == x1(infinity) == "<<x1(infinity)<<"\n";
@@ -136,6 +135,10 @@ void float_tests(char const* name, T* = 0)
if(x1(std::numeric_limits<T>::denorm_min()) == x1(zero)) { if(x1(std::numeric_limits<T>::denorm_min()) == x1(zero)) {
std::cout<<"x1(denorm_min) == x1(zero) == "<<x1(zero)<<"\n"; std::cout<<"x1(denorm_min) == x1(zero) == "<<x1(zero)<<"\n";
} }
#if !BOOST_WORKAROUND(__DECCXX_VER,<70190006)
// The Tru64/CXX standard library prior to 7.1 contains a bug in the
// specialization of std::numeric_limits::denorm_min() for long
// doubles which causes this test to fail.
BOOST_CHECK_MESSAGE(x1(std::numeric_limits<T>::denorm_min()) == BOOST_CHECK_MESSAGE(x1(std::numeric_limits<T>::denorm_min()) ==
HASH_NAMESPACE::hash_value(std::numeric_limits<T>::denorm_min()), HASH_NAMESPACE::hash_value(std::numeric_limits<T>::denorm_min()),
"x1(std::numeric_limits<T>::denorm_min()) = " "x1(std::numeric_limits<T>::denorm_min()) = "
@@ -144,6 +147,7 @@ void float_tests(char const* name, T* = 0)
<< HASH_NAMESPACE::hash_value( << HASH_NAMESPACE::hash_value(
std::numeric_limits<T>::denorm_min()) std::numeric_limits<T>::denorm_min())
<< "\nx1(0) = "<<x1(0)<<"\n"); << "\nx1(0) = "<<x1(0)<<"\n");
#endif
} }
// NaN also causes borland to crash. // NaN also causes borland to crash.