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- // Copyright 2005-2009 Daniel James.
- // Distributed under 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"
- #if !defined(BOOST_HASH_TEST_EXTENSIONS)
- int main() {}
- #else
- #ifdef BOOST_HASH_TEST_STD_INCLUDES
- # include <functional>
- #else
- # include <boost/container_hash/hash.hpp>
- #endif
- #include <boost/core/lightweight_test.hpp>
- #if defined(BOOST_MSVC)
- #pragma warning(disable:4244) // conversion from 'unsigned long' to
- // 'unsigned short', possible loss of data
- #pragma warning(disable:4245) // conversion from 'int' to
- // 'const unsigned short',
- // signed/unsigned mismatch
- #pragma warning(disable:4305) // truncation from 'double' to
- // 'const std::complex<float>::_Ty'
- #pragma warning(disable:4309) // truncation of constant value
- #pragma warning(disable:4512) // assignment operator could not be generated
- #if BOOST_MSVC < 1400
- #pragma warning(disable:4267) // conversion from 'size_t' to 'unsigned int',
- // possible loss of data
- #endif
- #endif
- #if defined(__GNUC__) && !defined(BOOST_INTEL_CXX_VERSION)
- #pragma GCC diagnostic ignored "-Wfloat-equal"
- #endif
- #include <complex>
- #include <sstream>
- #include <boost/limits.hpp>
- template <class T>
- void generic_complex_tests(std::complex<T> v)
- {
- BOOST_HASH_TEST_NAMESPACE::hash<std::complex<T> > complex_hasher;
- BOOST_TEST(complex_hasher(v) == complex_hasher(v));
- BOOST_HASH_TEST_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*)
- {
- typedef std::complex<Float> complex;
- generic_complex_tests(complex(0,0));
- generic_complex_tests(complex(0.5,0));
- generic_complex_tests(complex(25,0));
- generic_complex_tests(complex(25,0));
- generic_complex_tests(complex(static_cast<Float>(-67.5324535),static_cast<Float>(56.23578678)));
- }
- template <class Integer>
- void complex_integral_tests(Integer*)
- {
- typedef std::complex<Integer> complex;
- generic_complex_tests(complex(0,0));
- generic_complex_tests(complex(15342,124));
- generic_complex_tests(complex(25,54356));
- generic_complex_tests(complex(5325,2346));
- generic_complex_tests(complex(Integer(-243897),Integer(-49923874)));
- generic_complex_tests(complex(Integer(-543),Integer(763)));
- }
- int main()
- {
- // I've comments out the short and unsigned short tests
- // as they cause warnings and don't really test
- // anything that the other tests already deal with.
- 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);
- return boost::report_errors();
- }
- #endif // BOOST_HASH_TEST_EXTENSIONS
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