Boost C++ Libraries

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This is an older version of Boost and was released in 2025. The current version is 1.91.0.

Class template popcount

Class template popcount

boost::compute::popcount

Synopsis

// In header: <boost/compute/functional/popcount.hpp>

template<typename T> 
class popcount : public function< T(T)> {
public:

  // public member functions
  popcount();
};

Description

Returns the number of non-zero bits in x.

See the documentation for

`popcount` public member functions

```
popcount();
```