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Merged
merged 4 commits into from
Aug 23, 2016
Merged

Misc fixes #648

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6cd0222
Fix typo in context.hpp
jszuppe Aug 16, 2016
5442427
Fix typo in wait_list
jszuppe Aug 22, 2016
45ea54f
Fix gather algorithm
jszuppe Aug 22, 2016
2bd90c6
Fix C4267 warn. when compiling with MSVC, OpenCL 2.0
jszuppe Aug 22, 2016
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Fix gather algorithm
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@jszuppe
jszuppe committed Aug 22, 2016
commit 45ea54f704fd089fee282f30250a7502f08080eb
4 changes: 1 addition & 3 deletions include/boost/compute/algorithm/gather.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,6 @@ class gather_kernel : public meta_kernel
OutputIterator result)
{
m_count = iterator_range_size(first, last);
m_offset = first.get_index();

*this <<
"const uint i = get_global_id(0);\n" <<
Expand All @@ -50,12 +49,11 @@ class gather_kernel : public meta_kernel
return event();
}

return exec_1d(queue, m_offset, m_count);
return exec_1d(queue, 0, m_count);
}

private:
size_t m_count;
size_t m_offset;
};

} // end detail namespace
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5 changes: 5 additions & 0 deletions test/test_gather.cpp
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Expand Up @@ -34,6 +34,11 @@ BOOST_AUTO_TEST_CASE(gather_int)
indices.begin(), indices.end(), input.begin(), output.begin(), queue
);
CHECK_RANGE_EQUAL(int, 5, output, (1, 5, 2, 4, 3));

compute::gather(
indices.begin() + 1, indices.end(), input.begin(), output.begin(), queue
);
CHECK_RANGE_EQUAL(int, 5, output, (5, 2, 4, 3, 3));
}

BOOST_AUTO_TEST_CASE(copy_index_then_gather)
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