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More epsilon hash float tests.

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[SVN r32055]
This commit is contained in:
Daniel James
2005-12-15 00:22:00 +00:00
parent 6f61ab5b0b
commit 26f4b6cd55
1 changed files with 19 additions and 3 deletions
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22
test/hash_float_test.cpp
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@@ -141,9 +141,25 @@ void float_tests(char const* name, T* = 0)
if(x1(std::numeric_limits<T>::epsilon()) == x1((T) 0))
std::cout<<"x1(epsilon) == x1(0) == "<<x1((T) 0)<<"\n";
BOOST_CHECK(std::numeric_limits<T>::epsilon() + (T) 1 != (T) 1);
if(x1(std::numeric_limits<T>::epsilon() + (T) 1) == x1((T) 1))
std::cout<<"x1(epsilon + 1) == x1(1) == "<<x1((T) 1)<<"\n";
BOOST_CHECK(-std::numeric_limits<T>::epsilon() != (T) 0);
if(x1(-std::numeric_limits<T>::epsilon()) == x1((T) 0))
std::cout<<"x1(-epsilon) == x1(0) == "<<x1((T) 0)<<"\n";
BOOST_CHECK((T) 1 + std::numeric_limits<T>::epsilon() != (T) 1);
if(x1((T) 1 + std::numeric_limits<T>::epsilon()) == x1((T) 1))
std::cout<<"x1(1 + epsilon) == x1(1) == "<<x1((T) 1)<<"\n";
BOOST_CHECK((T) 1 - std::numeric_limits<T>::epsilon() != (T) 1);
if(x1((T) 1 - std::numeric_limits<T>::epsilon()) == x1((T) 1))
std::cout<<"x1(1 - epsilon) == x1(1) == "<<x1((T) 1)<<"\n";
BOOST_CHECK((T) -1 + std::numeric_limits<T>::epsilon() != (T) -1);
if(x1((T) -1 + std::numeric_limits<T>::epsilon()) == x1((T) -1))
std::cout<<"x1(-1 + epsilon) == x1(-1) == "<<x1((T) -1)<<"\n";
BOOST_CHECK((T) -1 - std::numeric_limits<T>::epsilon() != (T) -1);
if(x1((T) -1 - std::numeric_limits<T>::epsilon()) == x1((T) -1))
std::cout<<"x1(-1 - epsilon) == x1(-1) == "<<x1((T) -1)<<"\n";
// As before.
if(std::numeric_limits<T>::has_denorm) {