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#include <thrust/sort.h>
#include <algorithm>
#include <unittest/unittest.h>
using namespace unittest;
typedef unittest::type_list<
#if !(defined(__GNUC__) && (__GNUC__ <= 4) && (__GNUC_MINOR__ <= 1))
// XXX GCC 4.1 miscompiles the char sorts with -O2 for some reason
unittest::uint8_t,
#endif
unittest::uint16_t,
unittest::uint32_t,
unittest::uint64_t>
UnsignedIntegerTypes;
template <typename T>
struct TestSortVariableBits
{
void operator()(const size_t n)
{
for (size_t num_bits = 0; num_bits < 8 * sizeof(T); num_bits += 3)
{
thrust::host_vector<T> h_keys = unittest::random_integers<T>(n);
size_t mask = (1 << num_bits) - 1;
for (size_t i = 0; i < n; i++)
{
h_keys[i] &= mask;
}
thrust::host_vector<T> reference = h_keys;
thrust::device_vector<T> d_keys = h_keys;
std::sort(reference.begin(), reference.end());
thrust::sort(h_keys.begin(), h_keys.end());
thrust::sort(d_keys.begin(), d_keys.end());
ASSERT_EQUAL(reference, h_keys);
ASSERT_EQUAL(h_keys, d_keys);
}
}
};
VariableUnitTest<TestSortVariableBits, UnsignedIntegerTypes> TestSortVariableBitsInstance;
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