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20 lines
494 B
C++
20 lines
494 B
C++
#pragma once
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#include <vector>
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#include <bitset>
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namespace sls {
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template <typename T> std::vector<int> getSetBits(T val) {
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constexpr size_t bitsPerByte = 8;
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constexpr size_t numBits = sizeof(T)*bitsPerByte;
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std::bitset<numBits> bs(val);
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std::vector<int> set_bits;
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set_bits.reserve(bs.count());
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for (size_t i = 0; i < bs.size(); ++i) {
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if (bs[i]) {
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set_bits.push_back(static_cast<int>(i));
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}
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}
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return set_bits;
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}
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} // namespace sls
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