Update of /cvsroot/boost/boost/libs/functional/hash/test
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv6347
Modified Files:
Jamfile Jamfile.v2
Added Files:
hash_complex_test.cpp
Log Message:
Add a test for hashing complex numbers.
--- NEW FILE: hash_complex_test.cpp ---
// (C) Copyright Daniel James 2005.
// 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)
#include "./config.hpp"
#ifdef TEST_EXTENSIONS
# ifdef TEST_STD_INCLUDES
# include <functional>
# else
# include <boost/functional/hash.hpp>
# endif
#endif
#include <boost/detail/lightweight_test.hpp>
#ifdef TEST_EXTENSIONS
#include <complex>
#include <sstream>
#include <boost/random/mersenne_twister.hpp>
#include <boost/random/uniform_int.hpp>
#include <boost/random/uniform_real.hpp>
#include <boost/random/variate_generator.hpp>
#include <boost/limits.hpp>
template <class T>
void generic_complex_tests(std::complex<T> v)
{
HASH_NAMESPACE::hash<std::complex<T> > complex_hasher;
BOOST_TEST(complex_hasher(v) == complex_hasher(v));
HASH_NAMESPACE::hash<T> real_hasher;
T real = v.real();
T imag = v.imag();
BOOST_TEST(real_hasher(real) == complex_hasher(std::complex<T>(real)));
if(imag != 0 && real_hasher(real) == complex_hasher(v)) {
std::ostringstream os;
os<<"real_hasher("<<real<<") == complex_hasher("
<<v.real()<<" + "<<v.imag()<<"i) == "
<<real_hasher(real)<<" (This might not be a bug).";
BOOST_ERROR(os.str().c_str());
}
}
template <class Float>
void complex_float_tests(Float*)
{
boost::mt19937 rng;
boost::uniform_real<Float> uniform;
boost::variate_generator<boost::mt19937&, boost::uniform_real<Float> >
uniform_generator(rng, uniform);
for(int i = 0; i < 100; ++i)
{
std::complex<Float> v(uniform_generator(), uniform_generator());
generic_complex_tests(v);
}
}
template <class Integer>
void complex_integral_tests(Integer*)
{
boost::mt19937 rng;
boost::uniform_int<Integer> uniform(
(std::numeric_limits<Integer>::min)(),
(std::numeric_limits<Integer>::max)());
boost::variate_generator<boost::mt19937&, boost::uniform_int<Integer> >
uniform_generator(rng, uniform);
for(int i = 0; i < 100; ++i)
{
std::complex<Integer>v(uniform_generator(), uniform_generator());
generic_complex_tests(v);
}
}
int main()
{
complex_float_tests((float*) 0);
complex_float_tests((double*) 0);
complex_float_tests((long double*) 0);
complex_integral_tests((short*) 0);
complex_integral_tests((int*) 0);
complex_integral_tests((long*) 0);
complex_integral_tests((unsigned short*) 0);
complex_integral_tests((unsigned int*) 0);
complex_integral_tests((unsigned long*) 0);
}
#endif
Index: Jamfile
===================================================================
RCS file: /cvsroot/boost/boost/libs/functional/hash/test/Jamfile,v
retrieving revision 1.23
retrieving revision 1.24
diff -u -d -r1.23 -r1.24
--- Jamfile 18 Mar 2006 15:49:21 -0000 1.23
+++ Jamfile 6 Jun 2006 20:52:28 -0000 1.24
@@ -39,6 +39,7 @@
[ hash-test hash_deque_test ]
[ hash-test hash_set_test ]
[ hash-test hash_map_test ]
+ [ hash-test hash_complex_test ]
[ hash-test link_test link_test_2 ]
[ hash-test link_ext_test link_no_ext_test ]
[ run container_fwd_test.cpp : : : <include>$(BOOST_ROOT) ]
Index: Jamfile.v2
===================================================================
RCS file: /cvsroot/boost/boost/libs/functional/hash/test/Jamfile.v2,v
retrieving revision 1.18
retrieving revision 1.19
diff -u -d -r1.18 -r1.19
--- Jamfile.v2 18 Mar 2006 15:49:21 -0000 1.18
+++ Jamfile.v2 6 Jun 2006 20:52:28 -0000 1.19
@@ -30,6 +30,7 @@
[ run hash_deque_test.cpp ]
[ run hash_set_test.cpp ]
[ run hash_map_test.cpp ]
+ [ run hash_complex_test.cpp ]
[ run link_test.cpp link_test_2.cpp ]
[ run link_ext_test.cpp link_no_ext_test.cpp ]
[ run container_fwd_test.cpp ]
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