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Move std::complex support to hash.hpp

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This commit is contained in:
Peter Dimov
2021-10-17 02:03:50 +03:00
parent fe66085fbc
commit a0a6fa0616
3 changed files with 41 additions and 17 deletions
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test/hash_complex_test.cpp
+27 -4
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@@ -39,9 +39,10 @@ int main() {}
#pragma GCC diagnostic ignored "-Wfloat-equal"
#endif
#include <boost/limits.hpp>
#include <complex>
#include <sstream>
#include <boost/limits.hpp>
#include <set>
template <class T>
void generic_complex_tests(std::complex<T> v)
@@ -52,11 +53,11 @@ void generic_complex_tests(std::complex<T> v)
BOOST_HASH_TEST_NAMESPACE::hash<T> real_hasher;
T real = v.real();
T imag = v.imag();
// T imag = v.imag();
BOOST_TEST(real_hasher(real) == complex_hasher(std::complex<T>(real)));
// BOOST_TEST(real_hasher(real) == complex_hasher(std::complex<T>(real)));
if(imag != 0 && real_hasher(real) == complex_hasher(v)) {
if(real_hasher(real) == complex_hasher(v)) {
std::ostringstream os;
os<<"real_hasher("<<real<<") == complex_hasher("
<<v.real()<<" + "<<v.imag()<<"i) == "
@@ -88,6 +89,23 @@ void complex_integral_tests(Integer*)
generic_complex_tests(complex(Integer(-543),Integer(763)));
}
template<class T> void complex_grid_test()
{
short const N = 16;
std::set<std::size_t> hashes;
for( short i = 0; i < N; ++i )
{
for( short j = 0; j < N; ++j )
{
hashes.insert( boost::hash< std::complex<T> >()( std::complex<T>( i, j ) ) );
}
}
BOOST_TEST_EQ( hashes.size(), N * N );
}
int main()
{
// I've comments out the short and unsigned short tests
@@ -104,6 +122,11 @@ int main()
complex_integral_tests((unsigned int*) 0);
complex_integral_tests((unsigned long*) 0);
complex_grid_test<int>();
complex_grid_test<float>();
complex_grid_test<double>();
complex_grid_test<long double>();
return boost::report_errors();
}